zhuhjay
22e48d9558
- 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
197 lines
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197 lines
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></div> <!----></nav> <!----> </aside> <div class="password-shadow password-wrapper-in" style="display:none;" data-v-59e6cb88 data-v-7dd95ae2><h3 class="title" data-v-59e6cb88>使用Java实现Redis客户端</h3> <!----> <label id="box" class="inputBox" data-v-59e6cb88><input type="password" value="" data-v-59e6cb88> <span data-v-59e6cb88>Konck! Knock!</span> <button data-v-59e6cb88>OK</button></label> <div class="footer" data-v-59e6cb88><span data-v-59e6cb88><i class="iconfont reco-theme" data-v-59e6cb88></i> <a target="blank" href="https://vuepress-theme-reco.recoluan.com" data-v-59e6cb88>vuePress-theme-reco</a></span> <span data-v-59e6cb88><i class="iconfont reco-copyright" data-v-59e6cb88></i> <a data-v-59e6cb88><span data-v-59e6cb88>ZhuHJay</span>
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<span data-v-59e6cb88>2021 - </span>
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2025
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</a></span></div></div> <div data-v-7dd95ae2><div data-v-7dd95ae2><main class="page"><section style="display:;"><div class="page-title"><h1 class="title">使用Java实现Redis客户端</h1> <div data-v-8a445198><i class="iconfont reco-account" data-v-8a445198><span data-v-8a445198>ZhuHJay</span></i> <i class="iconfont reco-date" data-v-8a445198><span data-v-8a445198>2022/11/11</span></i> <!----> <i class="tags iconfont reco-tag" data-v-8a445198><span class="tag-item" data-v-8a445198>Redis</span></i></div></div> <div class="theme-reco-content content__default"><h2 id="redis通信协议-resp协议"><a href="#redis通信协议-resp协议" class="header-anchor">#</a> Redis通信协议-RESP协议</h2> <p>Redis是一个CS架构的软件，通信一般分两步（不包括pipeline和PubSub）：</p> <p>客户端（client）向服务端（server）发送一条命令</p> <p>服务端解析并执行命令，返回响应结果给客户端</p> <p>因此客户端发送命令的格式、服务端响应结果的格式必须有一个规范，这个规范就是通信协议。</p> <p>而在Redis中采用的是RESP（Redis Serialization Protocol）协议：</p> <ul><li>Redis 1.2版本引入了RESP协议</li> <li>Redis 2.0版本中成为与Redis服务端通信的标准，称为RESP2</li> <li>Redis 6.0版本中，从RESP2升级到了RESP3协议，增加了更多数据类型并且支持6.0的新特性--客户端缓存</li></ul> <p>但目前，默认使用的依然是RESP2协议，也是我们要学习的协议版本（以下简称RESP）。</p> <p>在RESP中，通过首字节的字符来区分不同数据类型，常用的数据类型包括5种：</p> <ul><li>单行字符串：首字节是 ‘+’ ，后面跟上单行字符串，以CRLF（ "\r\n" ）结尾。例如返回"OK"： "+OK\r\n"</li> <li>错误（Errors）：首字节是 ‘-’ ，与单行字符串格式一样，只是字符串是异常信息，例如："-Error message\r\n"</li> <li>数值：首字节是 ‘:’ ，后面跟上数字格式的字符串，以CRLF结尾。例如：":10\r\n"</li> <li>多行字符串：首字节是 ‘$’ ，表示二进制安全的字符串，最大支持512MB：
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<ul><li>如果大小为0，则代表空字符串："$0\r\n\r\n"</li> <li>如果大小为-1，则代表不存在："$-1\r\n"</li></ul></li> <li>数组：首字节是 ‘*’，后面跟上数组元素个数，再跟上元素，元素数据类型不限</li></ul> <p>Redis支持TCP通信，因此我们可以使用Socket来模拟客户端，与Redis服务端建立连接：</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">RedisClient</span> <span class="token punctuation">{</span>
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<span class="token comment">/** Redis中 RESP 协议头 */</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token keyword">char</span> <span class="token constant">SIMPLE_STRING</span> <span class="token operator">=</span> <span class="token char">'+'</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token keyword">char</span> <span class="token constant">ERRORS</span> <span class="token operator">=</span> <span class="token char">'-'</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token keyword">char</span> <span class="token constant">NUMBER</span> <span class="token operator">=</span> <span class="token char">':'</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token keyword">char</span> <span class="token constant">MULTI_STRING</span> <span class="token operator">=</span> <span class="token char">'$'</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token keyword">char</span> <span class="token constant">ARRAY</span> <span class="token operator">=</span> <span class="token char">'*'</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token class-name">String</span> <span class="token constant">NEW_LINEAR</span> <span class="token operator">=</span> <span class="token string">"\r\n"</span><span class="token punctuation">;</span>
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<span class="token comment">/** Redis服务端连接信息 */</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token class-name">String</span> <span class="token constant">CONN_HOST</span> <span class="token operator">=</span> <span class="token string">"localhost"</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token keyword">static</span> <span class="token class-name">Integer</span> <span class="token constant">CONN_PORT</span> <span class="token operator">=</span> <span class="token number">6379</span><span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token class-name">Socket</span> socket<span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token class-name">InputStream</span> is<span class="token punctuation">;</span>
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<span class="token keyword">private</span> <span class="token class-name">OutputStream</span> os<span class="token punctuation">;</span>
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<span class="token keyword">public</span> <span class="token class-name">RedisClient</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">try</span> <span class="token punctuation">{</span>
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<span class="token comment">// 使用Socket进行远程连接</span>
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socket <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Socket</span><span class="token punctuation">(</span><span class="token constant">CONN_HOST</span><span class="token punctuation">,</span> <span class="token constant">CONN_PORT</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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is <span class="token operator">=</span> socket<span class="token punctuation">.</span><span class="token function">getInputStream</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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os <span class="token operator">=</span> socket<span class="token punctuation">.</span><span class="token function">getOutputStream</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IOException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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<span class="token punctuation">}</span>
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<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">sendRequest</span><span class="token punctuation">(</span><span class="token class-name">String</span> msg<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
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<span class="token comment">// 解析命令</span>
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<span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> commands <span class="token operator">=</span> <span class="token function">parseCommand</span><span class="token punctuation">(</span>msg<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// 进行命令的拼接写出</span>
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<span class="token class-name">StringBuilder</span> sb <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">StringBuilder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// *3\r\n 命令数组头</span>
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sb<span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token constant">ARRAY</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span>commands<span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token constant">NEW_LINEAR</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token class-name">String</span> command <span class="token operator">:</span> commands<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token comment">// $4\r\nname\r\n</span>
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sb<span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token constant">MULTI_STRING</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span>command<span class="token punctuation">.</span><span class="token function">length</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token constant">NEW_LINEAR</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span>command<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token constant">NEW_LINEAR</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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os<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>sb<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span><span class="token constant">UTF_8</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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os<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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<span class="token keyword">private</span> <span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> <span class="token function">parseCommand</span><span class="token punctuation">(</span><span class="token class-name">String</span> commandStr<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> commandStr<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">public</span> <span class="token class-name">Object</span> <span class="token function">handlerResponse</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">int</span> read <span class="token operator">=</span> is<span class="token punctuation">.</span><span class="token function">read</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">switch</span> <span class="token punctuation">(</span>read<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">case</span> <span class="token constant">SIMPLE_STRING</span><span class="token operator">:</span>
|
||
<span class="token keyword">case</span> <span class="token constant">ERRORS</span><span class="token operator">:</span>
|
||
<span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">BufferedReader</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">InputStreamReader</span><span class="token punctuation">(</span>is<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">readLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">case</span> <span class="token constant">NUMBER</span><span class="token operator">:</span>
|
||
<span class="token keyword">return</span> <span class="token function">readNumber</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">case</span> <span class="token constant">MULTI_STRING</span><span class="token operator">:</span>
|
||
<span class="token keyword">return</span> <span class="token function">readMulti</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">case</span> <span class="token constant">ARRAY</span><span class="token operator">:</span>
|
||
<span class="token keyword">return</span> <span class="token function">readArrays</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">default</span><span class="token operator">:</span>
|
||
<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">RuntimeException</span><span class="token punctuation">(</span><span class="token string">"结果有误"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">private</span> <span class="token class-name">Object</span> <span class="token function">readMulti</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">int</span> count <span class="token operator">=</span> <span class="token function">readNumber</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">intValue</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>count <span class="token operator">==</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>count <span class="token operator">==</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token string">""</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">return</span> <span class="token function">readLine</span><span class="token punctuation">(</span>count<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">private</span> <span class="token class-name">Long</span> <span class="token function">readNumber</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">byte</span><span class="token punctuation">[</span><span class="token punctuation">]</span> bytes <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token keyword">byte</span><span class="token punctuation">[</span><span class="token number">1024</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">int</span> temp<span class="token punctuation">;</span>
|
||
<span class="token keyword">int</span> count <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token punctuation">(</span>temp <span class="token operator">=</span> is<span class="token punctuation">.</span><span class="token function">read</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token operator">!=</span> <span class="token char">'\n'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>temp <span class="token operator">!=</span> <span class="token char">'\r'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
bytes<span class="token punctuation">[</span>count<span class="token operator">++</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token keyword">byte</span><span class="token punctuation">)</span> temp<span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">return</span> <span class="token class-name">Long</span><span class="token punctuation">.</span><span class="token function">parseLong</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">String</span><span class="token punctuation">(</span>bytes<span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> count<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">private</span> <span class="token class-name">Object</span> <span class="token function">readArrays</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">int</span> count <span class="token operator">=</span> <span class="token function">readNumber</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">intValue</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Object</span><span class="token punctuation">></span></span> data <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuation">(</span>count<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> count<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
data<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token function">handlerResponse</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">return</span> data<span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">private</span> <span class="token class-name">String</span> <span class="token function">readLine</span><span class="token punctuation">(</span><span class="token keyword">int</span> count<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">byte</span><span class="token punctuation">[</span><span class="token punctuation">]</span> bytes <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token keyword">byte</span><span class="token punctuation">[</span><span class="token number">1024</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> count <span class="token operator">+</span> <span class="token constant">NEW_LINEAR</span><span class="token punctuation">.</span><span class="token function">length</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">int</span> temp <span class="token operator">=</span> is<span class="token punctuation">.</span><span class="token function">read</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>temp <span class="token operator">!=</span> <span class="token char">'\r'</span> <span class="token operator">&&</span> temp <span class="token operator">!=</span> <span class="token char">'\n'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
bytes<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token keyword">byte</span><span class="token punctuation">)</span> temp<span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">String</span><span class="token punctuation">(</span>bytes<span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> count<span class="token punctuation">,</span> <span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span><span class="token constant">UTF_8</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">try</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>socket <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
socket<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>is <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
is<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>os <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
os<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IOException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
|
||
<span class="token class-name">RedisClient</span> redisClient <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">RedisClient</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token class-name">BufferedReader</span> reader <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">BufferedReader</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">InputStreamReader</span><span class="token punctuation">(</span><span class="token class-name">System</span><span class="token punctuation">.</span>in<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token boolean">true</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span><span class="token string">"[INFO] 请输入redis命令>>> "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token class-name">String</span> command <span class="token operator">=</span> reader<span class="token punctuation">.</span><span class="token function">readLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>command<span class="token punctuation">.</span><span class="token function">equalsIgnoreCase</span><span class="token punctuation">(</span><span class="token string">"exit"</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
redisClient<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
redisClient<span class="token punctuation">.</span><span class="token function">sendRequest</span><span class="token punctuation">(</span>command<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>redisClient<span class="token punctuation">.</span><span class="token function">handlerResponse</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span 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class="line-number">75</span><br><span class="line-number">76</span><br><span class="line-number">77</span><br><span class="line-number">78</span><br><span class="line-number">79</span><br><span class="line-number">80</span><br><span class="line-number">81</span><br><span class="line-number">82</span><br><span class="line-number">83</span><br><span class="line-number">84</span><br><span class="line-number">85</span><br><span class="line-number">86</span><br><span class="line-number">87</span><br><span class="line-number">88</span><br><span class="line-number">89</span><br><span class="line-number">90</span><br><span class="line-number">91</span><br><span class="line-number">92</span><br><span class="line-number">93</span><br><span class="line-number">94</span><br><span class="line-number">95</span><br><span class="line-number">96</span><br><span class="line-number">97</span><br><span class="line-number">98</span><br><span class="line-number">99</span><br><span 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