zhuhjay/www
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
master
www/public/assets/js/13.e66c15d0.js
zhuhjay 22e48d9558 build(www): 添加 Drone CI 流水线配置 
- 新增 .drone.yml 文件用于定义 CI/CD 流程
- 配置了基于 Docker 的部署步骤
- 设置了工作区和卷映射以支持持久化数据
- 添加了构建准备阶段和 Docker 部署阶段
- 定义了环境变量和代理设置
- 配置了 artifacts 目录的处理逻辑
- 添加了 timezone 映射以确保时间同步
- 设置了 docker.sock 映射以支持 Docker in Docker
2025-11-01 13:36:00 +08:00

1 line
67 KiB
JavaScript
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

(window.webpackJsonp=window.webpackJsonp||[]).push([[13],{503:function(t,s,a){"use strict";a.r(s);var n=a(2),e=Object(n.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h2",{attrs:{id:"_1-typescript安装"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_1-typescript安装"}},[t._v("#")]),t._v(" 1 Typescript安装")]),t._v(" "),s("ul",[s("li",[t._v("安装命令: "),s("code",[t._v("npm i typescript -g")])]),t._v(" "),s("li",[t._v("使用Typescript命令查看安装的版本号: "),s("code",[t._v("tsc -v")])]),t._v(" "),s("li",[t._v("生成配置文件tsconfig.json: "),s("code",[t._v("tsc -init")])])]),t._v(" "),s("h3",{attrs:{id:"_1-1-tsc常用编译参数"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_1-1-tsc常用编译参数"}},[t._v("#")]),t._v(" 1.1 tsc常用编译参数")]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",{staticStyle:{"text-align":"left"}},[s("div",{staticStyle:{width:"120px"}},[t._v("编译参数")])]),t._v(" "),s("th",{staticStyle:{"text-align":"left"}},[t._v("说明")])])]),t._v(" "),s("tbody",[s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--help")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("显示帮助信息")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--module")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("载入扩展模块")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--target")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("设置 ECMA 版本")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--declaration")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("额外生成一个 .d.ts 扩展名的文件。"),s("code",[t._v("tsc ts-hw.ts --declaration")]),t._v(" 以上命令会生成 ts-hw.d.ts、ts-hw.js 两个文件。")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--removeComments")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("删除文件的注释")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--out")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("编译多个文件并合并到一个输出的文件")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--sourcemap")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("生成一个 sourcemap (.map) 文件。sourcemap 是一个存储源代码与编译代码对应位置映射的信息文件。")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--module noImplicitAny")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("在表达式和声明上有隐含的 any 类型时报错")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("--watch")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("在监视模式下运行编译器。会监视输出文件，在它们改变时重新编译。")])])])]),t._v(" "),s("h2",{attrs:{id:"_2-typescript基础类型"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_2-typescript基础类型"}},[t._v("#")]),t._v(" 2 Typescript基础类型")]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",{staticStyle:{"text-align":"left"}},[s("div",{staticStyle:{width:"80px"}},[t._v("数据类型")])]),t._v(" "),s("th",{staticStyle:{"text-align":"left"}},[s("div",{staticStyle:{width:"80px"}},[t._v("关键字")])]),t._v(" "),s("th",{staticStyle:{"text-align":"left"}},[t._v("描述")])])]),t._v(" "),s("tbody",[s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("任意类型")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("any")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("声明为 any 的变量可以赋予任意类型的值。"),s("code",[t._v("let x:any")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("数字类型")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("number")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("双精度 64 位浮点值。它可以用来表示整数和分数。"),s("code",[t._v("let num:number")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("字符串类型")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("string")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("一个字符系列，使用单引号（'）或双引号（\"）来表示字符串类型。反引号（`）来定义多行文本和内嵌表达式。")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("布尔类型")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("boolean")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("表示逻辑值：true 和 false。")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("数组类型")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("无")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("声明变量为数组。"),s("code",[t._v("let arr:number[];let arr:Array<number>;// 泛型定义")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("元组")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("无")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("元组类型用来表示已知元素数量和类型的数组，各元素的类型不必相同，对应位置的类型需要相同。"),s("code",[t._v("let x:[string, number] = ['string', 15]")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("枚举")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("enum")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("枚举类型用于定义数值集合。"),s("code",[t._v("enum Color{Red, Green};// 没有赋值默认从0开始")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("void")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("void")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("用于标识方法返回值的类型，表示该方法没有返回值。"),s("code",[t._v("function hello(): void {}")])])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("null")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("null")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("表示对象值缺失。")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("undefined")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("undefined")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("用于初始化变量为一个未定义的值")])]),t._v(" "),s("tr",[s("td",{staticStyle:{"text-align":"left"}},[t._v("never")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("never")]),t._v(" "),s("td",{staticStyle:{"text-align":"left"}},[t._v("never 是其它类型（包括 null 和 undefined）的子类型，代表从不会出现的值。")])])])]),t._v(" "),s("h2",{attrs:{id:"_3-typescript接口"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_3-typescript接口"}},[t._v("#")]),t._v(" 3 Typescript接口")]),t._v(" "),s("h3",{attrs:{id:"_3-1-属性类型接口"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_3-1-属性类型接口"}},[t._v("#")]),t._v(" 3.1 属性类型接口")]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 对传入对象的属性约束, 以下是一个约束属性接口")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("interface")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("User")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n username"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n password"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("?")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 可选传递")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("save")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("user"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v("User"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("void")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("user"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" info "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n username"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"张三"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n password"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"qwe123"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n age"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("15")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 额外传递的参数")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 传递一个自定义对象的参数需要有必选参数, 其他的属性不会进行检查")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("save")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("info"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 如果直接进行对象传递那么会进行类型的检查")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("save")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n username"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"张三"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n password"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"qwe123"')]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br"),s("span",{staticClass:"line-number"},[t._v("17")]),s("br"),s("span",{staticClass:"line-number"},[t._v("18")]),s("br"),s("span",{staticClass:"line-number"},[t._v("19")]),s("br"),s("span",{staticClass:"line-number"},[t._v("20")]),s("br"),s("span",{staticClass:"line-number"},[t._v("21")]),s("br"),s("span",{staticClass:"line-number"},[t._v("22")]),s("br")])]),s("h3",{attrs:{id:"_3-2-函数类型接口"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_3-2-函数类型接口"}},[t._v("#")]),t._v(" 3.2 函数类型接口")]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 定义一个函数类型的接口")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("interface")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("encrypt")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("key"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" value"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 既然类型定义为接口类型(参数列表可以不用写类型), 那么就得符合接口的类型")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" md5"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" encrypt "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("key"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" value"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token template-string"}},[s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("MD5://")]),s("span",{pre:!0,attrs:{class:"token interpolation"}},[s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("${")]),t._v("key"),s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token interpolation"}},[s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("${")]),t._v("value"),s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")])]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 发现类型换成any也行, 因为any能接受所有类型")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" sha1"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" encrypt "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("key"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" value"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token template-string"}},[s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("SHA1://")]),s("span",{pre:!0,attrs:{class:"token interpolation"}},[s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("${")]),t._v("key"),s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token interpolation"}},[s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("${")]),t._v("value"),s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")])]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("md5")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"qwe"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"123"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 但是发现还是会被类型约束, 所以就算定义了any类型也没有什么起效")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// sha1(123, 564) // 错误写法")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("sha1")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"asd"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"zxc"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br")])]),s("h3",{attrs:{id:"_3-3-可索引型接口"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_3-3-可索引型接口"}},[t._v("#")]),t._v(" 3.3 可索引型接口")]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 可索引型数组接口, []中为number, 返回值为string")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("interface")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("CustomArr")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),t._v("index"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("number")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" arr"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" CustomArr "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'111'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'222'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("arr"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 可索引型对象接口, key为string, value为string")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("interface")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("CustomObj")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),t._v("index"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" obj"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" CustomObj "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("name"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'zhang'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" sex"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'男'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("obj"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'name'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("obj"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("sex"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br")])]),s("h3",{attrs:{id:"_3-44-类类型接口"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_3-44-类类型接口"}},[t._v("#")]),t._v(" 3.44 类类型接口")]),t._v(" "),s("p",[t._v("与面向对象语言相似(Java)")]),t._v(" "),s("h2",{attrs:{id:"_4-typescript泛型"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_4-typescript泛型"}},[t._v("#")]),t._v(" 4 Typescript泛型")]),t._v(" "),s("p",[t._v("软件工程中，我们不仅要创建一致的定义良好的API，同时也要考虑可重用性。 组件不仅能够支持当前的数据类型，同时也能支持未来的数据类型，这在创建大型系统时为你提供了十分灵活的功能。在像C#和Java这样的语言中，可以使用泛型来创建可重用的组件，一个组件可以支持多种类型的数据，这样用户就可以以自己的数据类型来使用组件。")]),t._v(" "),s("p",[t._v("通俗理解：泛型就是解决类、接口、方法的复用性、以及对不特定数据类型的支持。")]),t._v(" "),s("h2",{attrs:{id:"_5-typescript装饰器"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-typescript装饰器"}},[t._v("#")]),t._v(" 5 Typescript装饰器")]),t._v(" "),s("blockquote",[s("p",[t._v("对修饰器的实验支持功能在将来的版本中可能更改。")]),t._v(" "),s("p",[t._v('在"tsconfig"或"jsconfig"中设置"experimentalDecorators"选项以删除此警告。')]),t._v(" "),s("p",[t._v('"experimentalDecorators":true // 启用对ES7装饰器的实验性支持。')])]),t._v(" "),s("p",[t._v("装饰器是一种特殊类型的声明，它能够被附加到类、方法、属性或参数上，可以修改类的行为，通俗的讲装饰器就是一个方法，可以注入到类、方法、属性或参数上来扩展类、方法、属性或参数的功能。常见的装饰器有：类装饰器、方法装饰器、属性装饰器、参数装饰器。")]),t._v(" "),s("p",[t._v("装饰器的写法：普通装饰器（无法传参）、装饰器工厂（可传参），装饰器是过去几年中JS最大的成就之一，已是ES7的标准特性之一。")]),t._v(" "),s("h3",{attrs:{id:"_5-1-类修饰器"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-1-类修饰器"}},[t._v("#")]),t._v(" 5.1 类修饰器")]),t._v(" "),s("ul",[s("li",[s("p",[t._v("类装饰器: 普通装饰器(无法传参)")]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logClass")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("param"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 获取到的参数是该实例化对象")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("param"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 在这里可以对实例话对象进行动态挂载数据")]),t._v("\n param"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("prototype"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'http://localhost'")]),t._v("\n param"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("prototype"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function-variable function"}},[t._v("run")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"动态扩展的run方法"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 该类装饰器不能传递参数")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token decorator"}},[s("span",{pre:!0,attrs:{class:"token at operator"}},[t._v("@")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logClass")])]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" http"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("http"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\nhttp"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br"),s("span",{staticClass:"line-number"},[t._v("17")]),s("br")])])]),t._v(" "),s("li",[s("p",[t._v("类装饰器: 装饰器工厂(可传参)")]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logClass")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("params"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// target是当前类的对象")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// params是装饰器中传递的参数, 可以定义多个参数")]),t._v("\n target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("prototype"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" params"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("0")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),t._v(" params"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token decorator"}},[s("span",{pre:!0,attrs:{class:"token at operator"}},[t._v("@")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logClass")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'http://localhost'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"/api/users"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" http"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("http"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br")])])])]),t._v(" "),s("h3",{attrs:{id:"_5-2-属性修饰器"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-2-属性修饰器"}},[t._v("#")]),t._v(" 5.2 属性修饰器")]),t._v(" "),s("p",[t._v("属性装饰器会被应用到属性描述上，可以用来监视、修改或者替换属性的值。")]),t._v(" "),s("p",[t._v("属性装饰器会在运行时传入下列2个参数：")]),t._v(" "),s("ul",[s("li",[t._v("对于静态成员来说是类的构造函数，对于实例成员是类的原型对象。")]),t._v(" "),s("li",[t._v("成员的名字。")])]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logProperty")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("params"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" attr"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 装饰器传递的参数")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("params"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 给类的属性挂载数据")]),t._v("\n target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),t._v("attr"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" params\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token decorator"}},[s("span",{pre:!0,attrs:{class:"token at operator"}},[t._v("@")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logProperty")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"http://localhost"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n apiUrl"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("|")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("undefined")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getApiUrl")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("this")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" http"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" HttpClient "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\nhttp"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getApiUrl")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br"),s("span",{staticClass:"line-number"},[t._v("17")]),s("br"),s("span",{staticClass:"line-number"},[t._v("18")]),s("br"),s("span",{staticClass:"line-number"},[t._v("19")]),s("br"),s("span",{staticClass:"line-number"},[t._v("20")]),s("br")])]),s("h3",{attrs:{id:"_5-3-方法修饰器"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-3-方法修饰器"}},[t._v("#")]),t._v(" 5.3 方法修饰器")]),t._v(" "),s("p",[t._v("方法装饰器会被应用到方法描述上，可以用来监视、修改或者替换方法定义。")]),t._v(" "),s("p",[t._v("方法装饰器会在运行时传入下列3个参数：")]),t._v(" "),s("ul",[s("li",[t._v("对于静态成员来说是类的构造函数，对于实例成员是类的原型对象。")]),t._v(" "),s("li",[t._v("成员的名字。")]),t._v(" "),s("li",[t._v("成员的属性描述符。")])]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" url"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("|")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("undefined")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n "),s("span",{pre:!0,attrs:{class:"token decorator"}},[s("span",{pre:!0,attrs:{class:"token at operator"}},[t._v("@")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("get")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"http://localhost"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getData")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("this")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("url"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("get")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("param"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" methodName"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" desc"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("methodName"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("desc"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 可以通过类的原型对象target对该实例进行数据挂载")]),t._v("\n target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("url "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" param\n target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function-variable function"}},[t._v("run")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'run'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// 可以修改装饰器所放置方法的实现, 以下的代码就是获取该方法的内容")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("desc"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("value"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" http"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\nhttp"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getData")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\nhttp"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br"),s("span",{staticClass:"line-number"},[t._v("17")]),s("br"),s("span",{staticClass:"line-number"},[t._v("18")]),s("br"),s("span",{staticClass:"line-number"},[t._v("19")]),s("br"),s("span",{staticClass:"line-number"},[t._v("20")]),s("br"),s("span",{staticClass:"line-number"},[t._v("21")]),s("br"),s("span",{staticClass:"line-number"},[t._v("22")]),s("br"),s("span",{staticClass:"line-number"},[t._v("23")]),s("br"),s("span",{staticClass:"line-number"},[t._v("24")]),s("br"),s("span",{staticClass:"line-number"},[t._v("25")]),s("br"),s("span",{staticClass:"line-number"},[t._v("26")]),s("br"),s("span",{staticClass:"line-number"},[t._v("27")]),s("br")])]),s("h3",{attrs:{id:"_5-4-参数修饰器"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-4-参数修饰器"}},[t._v("#")]),t._v(" 5.4 参数修饰器")]),t._v(" "),s("p",[t._v("参数装饰器表达式会在运行时当作函数被调用，可以使用参数装饰器为类的原型增加一些元素数据 ，传入下列3个参数：")]),t._v(" "),s("ul",[s("li",[t._v("对于静态成员来说是类的构造函数，对于实例成员是类的原型对象。")]),t._v(" "),s("li",[t._v("方法的名字。")]),t._v(" "),s("li",[t._v("参数在函数参数列表中的索引。")])]),t._v(" "),s("div",{staticClass:"language-ts line-numbers-mode"},[s("pre",{pre:!0,attrs:{class:"language-ts"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logParams")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("params"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("function")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" methodName"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" paramsIndex"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("methodName"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("paramsIndex"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n target"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" params"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getData")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("name"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("string")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token decorator"}},[s("span",{pre:!0,attrs:{class:"token at operator"}},[t._v("@")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("logParams")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"10086"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" uuid"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("uuid"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" http"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("any")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("HttpClient")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\nhttp"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("getData")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'zhang'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("123456")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("http"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("apiUrl"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])]),t._v(" "),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br"),s("span",{staticClass:"line-number"},[t._v("16")]),s("br"),s("span",{staticClass:"line-number"},[t._v("17")]),s("br"),s("span",{staticClass:"line-number"},[t._v("18")]),s("br")])]),s("h3",{attrs:{id:"_5-5-修饰器的执行顺序"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_5-5-修饰器的执行顺序"}},[t._v("#")]),t._v(" 5.5 修饰器的执行顺序")]),t._v(" "),s("p",[t._v("装饰器执行顺序：++属性 > 方法 > 方法参数 > 类++")]),t._v(" "),s("p",[t._v("如果有多个"),s("strong",[t._v("同类型")]),t._v("的装饰器, 那么会++从后往前执行++")]),t._v(" "),s("h2",{attrs:{id:"_6-typescript模块化"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_6-typescript模块化"}},[t._v("#")]),t._v(" 6 Typescript模块化")]),t._v(" "),s("p",[t._v("模块化的好处")]),t._v(" "),s("ul",[s("li",[t._v("防止命名冲突")]),t._v(" "),s("li",[t._v("代码复用")]),t._v(" "),s("li",[t._v("高维护性")])]),t._v(" "),s("p",[t._v("模块功能主要由两个命令构成：export 和 import。")]),t._v(" "),s("ul",[s("li",[t._v("export 命令用于规定模块的对外接口")]),t._v(" "),s("li",[t._v("import 命令用于输入其它模块提供的功能")])]),t._v(" "),s("h2",{attrs:{id:"_7-typescript命名空间"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#_7-typescript命名空间"}},[t._v("#")]),t._v(" 7 Typescript命名空间")]),t._v(" "),s("p",[t._v("命名空间：在代码量较大的情况下，为了避免各种变量命名相冲突，可将相似功能的函数、类、接口等放置到命名空间内，同Java的包、.Net的命名空间一样，TypeScript的命名空间可以将代码包裹起来，只对外暴露需要在外部访问的对象，命名空间内的对象通过export关键字对外暴露。")]),t._v(" "),s("p",[t._v("命名空间和模块的区别：")]),t._v(" "),s("ul",[s("li",[t._v("命名空间：内部模块，主要用于组织代码，避免命名冲突。")]),t._v(" "),s("li",[t._v("模块：ts的外部模块的简称，侧重代码的复用，一个模块里可能会有多个命名空间。")])])])}),[],!1,null,null,null);s.default=e.exports}}]);
Reference in New Issue View Git Blame Copy Permalink