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shixindea.github.io/guoguo-notes/

shixindea/guoguo-notes

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import{_ as n,c as s,o as a,a as p}from"./app-Dx9bNbfq.js";const t={},e=p(`<h1 id="springboot" tabindex="-1"><a class="header-anchor" href="#springboot"><span>springboot</span></a></h1><h2 id="第一个get和post-请求" tabindex="-1"><a class="header-anchor" href="#第一个get和post-请求"><span>第一个get和Post 请求</span></a></h2><blockquote><p>如果<code> 请求参数名</code> 和 <code>形参</code> 名称对应不上可以使用注解 <code>@RequestParam(name="name") </code></p><p>如果加上这个\`\`@RequestParam\`注解以后表示为必传项，可以使用下面这种方式吧</p><p>@RequestParam(name="name",required = false)</p></blockquote><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"><span class="token comment">//http://localhost:8080/getparams?name=张三&age=18</span></span> <span class="line"></span> <span class="line"><span class="token annotation punctuation">@RestController</span></span> <span class="line"><span class="token keyword">public</span> <span class="token keyword">class</span> hellowComtroller <span class="token punctuation">{</span></span> <span class="line"></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/hello"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">hello</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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><span class="token string">"hello"</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"hello World~~~"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"><span class="token comment">//@RequestParam(name="name")</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/getparams"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">getparams</span><span class="token punctuation">(</span><span class="token annotation punctuation">@RequestParam</span><span class="token punctuation">(</span>name<span class="token operator">=</span><span class="token string">"name"</span><span class="token punctuation">)</span> <span class="token class-name">String</span> username<span class="token punctuation">,</span> <span class="token class-name">Integer</span> age<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>username<span class="token operator">+</span> <span class="token string">":"</span> <span class="token operator">+</span> age<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"><span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"> <span class="token doc-comment comment">/****</span> <span class="line"> * Json 数据 post 请求</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/jsonParams</span> <span class="line"> * <span class="token punctuation">{</span></span> <span class="line"> * "name": "张三",</span> <span class="line"> * "age": 18,</span> <span class="line"> * "address": <span class="token punctuation">{</span></span> <span class="line"> * "provice": "北京",</span> <span class="line"> * "city": "天安门"</span> <span class="line"> * <span class="token punctuation">}</span></span> <span class="line"> * <span class="token punctuation">}</span></span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">user</span></span> <span class="line"> * <span class="token keyword">@return</span></span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/jsonParams/{id}"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">jsonParams</span><span class="token punctuation">(</span><span class="token annotation punctuation">@RequestBody</span> <span class="token class-name">User</span> user<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>user<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <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>user<span class="token punctuation">.</span><span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="简单数据类型和复杂数据类型-接收数据" tabindex="-1"><a class="header-anchor" href="#简单数据类型和复杂数据类型-接收数据"><span>简单数据类型和复杂数据类型接收数据</span></a></h2><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"><span class="token doc-comment comment">/****</span> <span class="line"> * 复杂数据类型</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/simplePojo?name=张三&age=18</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">user</span></span> <span class="line"> * <span class="token keyword">@return</span></span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/simplePojo"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">simlePojo</span><span class="token punctuation">(</span><span class="token class-name">User</span> user<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>user<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span> <span class="line"> <span class="token doc-comment comment">/****</span> <span class="line"> * 复杂数据类型</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/complexPojo?name=张三&age=18&address.province=河北省&address.city=衡水市</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">user</span></span> <span class="line"> * <span class="token keyword">@return</span></span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/complexPojo"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">complexPojo</span><span class="token punctuation">(</span><span class="token class-name">User</span> user<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>user<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="集合或者数组接收数据" tabindex="-1"><a class="header-anchor" href="#集合或者数组接收数据"><span>集合或者数组接收数据</span></a></h2><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"> <span class="token doc-comment comment">/****</span> <span class="line"> * 数组方式保证请求参数名与形参中数组变量名相同，可以直接使用数组封装</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/ArrayParam?hobby=篮球&hobby=足球&hobby=乒乓球</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">hobby</span></span> <span class="line"> * <span class="token keyword">@return</span> [篮球, 足球, 乒乓球]</span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/ArrayParam"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token class-name">ArrayParam</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> hobby<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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><span class="token class-name">Arrays</span><span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span>hobby<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span> <span class="line"> <span class="token doc-comment comment">/****</span> <span class="line"> *集合方式请求参数名与集合变量名相同通过 @RequestParam 绑定集合关系</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/listParam?hobby=篮球&hobby=足球&hobby=乒乓球</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">hobby</span></span> <span class="line"> * <span class="token keyword">@return</span> [篮球, 足球, 乒乓球]</span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/listParam"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">listParam</span><span class="token punctuation">(</span><span class="token annotation punctuation">@RequestParam</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">></span></span> hobby<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>hobby<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="路径参数" tabindex="-1"><a class="header-anchor" href="#路径参数"><span>路径参数</span></a></h2><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"> <span class="token doc-comment comment">/****</span> <span class="line"> * 路径参数</span> <span class="line"> * <span class="token keyword">@url</span> http://localhost:8080/jsonParams</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">id</span></span> <span class="line"> * <span class="token keyword">@return</span></span> <span class="line"> */</span></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/path/{id}"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">path</span><span class="token punctuation">(</span><span class="token annotation punctuation">@PathVariable</span> <span class="token class-name">Integer</span> id<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>id<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="日期参数" tabindex="-1"><a class="header-anchor" href="#日期参数"><span>日期参数</span></a></h2><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/dateParams2"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">dateParams2</span><span class="token punctuation">(</span><span class="token annotation punctuation">@DateTimeFormat</span><span class="token punctuation">(</span>pattern <span class="token operator">=</span> <span class="token string">"yyyy-mm-dd HH:mm:ss"</span><span class="token punctuation">)</span> <span class="token class-name">Date</span> updateTime<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>updateTime<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span> <span class="line"> <span class="token annotation punctuation">@RequestMapping</span><span class="token punctuation">(</span><span class="token string">"/dateParams"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">dateParams</span><span class="token punctuation">(</span><span class="token annotation punctuation">@DateTimeFormat</span><span class="token punctuation">(</span>pattern <span class="token operator">=</span> <span class="token string">"yyyy-MM-dd HH:mm:ss"</span><span class="token punctuation">)</span> <span class="token class-name">LocalDateTime</span> updateTime<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <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>updateTime<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> <span class="token string">"ok"</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="jwt-令牌-token" tabindex="-1"><a class="header-anchor" href="#jwt-令牌-token"><span>JWT 令牌 token</span></a></h2><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"> <span class="token annotation punctuation">@Test</span> <span class="token comment">//创建令牌</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">jwt</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token class-name">Map</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">Object</span><span class="token punctuation">></span></span> claims <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> claims<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"id"</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> claims<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"name"</span><span class="token punctuation">,</span> <span class="token string">"Tom"</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token class-name">String</span> jwt <span class="token operator">=</span> <span class="token class-name">Jwts</span><span class="token punctuation">.</span><span class="token function">builder</span><span class="token punctuation">(</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">signWith</span><span class="token punctuation">(</span><span class="token class-name">SignatureAlgorithm</span><span class="token punctuation">.</span><span class="token constant">HS256</span><span class="token punctuation">,</span> <span class="token string">"guoguo"</span><span class="token punctuation">)</span><span class="token comment">//设置签名算法</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">setClaims</span><span class="token punctuation">(</span>claims<span class="token punctuation">)</span> <span class="token comment">//自定义内容</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">setExpiration</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token class-name">System</span><span class="token punctuation">.</span><span class="token function">currentTimeMillis</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">3600</span> <span class="token operator">*</span> <span class="token number">1000</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token comment">//设置有效期为1小时</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">compact</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"></span> <span class="line"> <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>jwt<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span> <span class="line"></span> <span class="line"> <span class="token annotation punctuation">@Test</span> <span class="token comment">//解析令牌</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">testParseJwt</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token class-name">Claims</span> claims <span class="token operator">=</span> <span class="token class-name">Jwts</span><span class="token punctuation">.</span><span class="token function">parser</span><span class="token punctuation">(</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">setSigningKey</span><span class="token punctuation">(</span><span class="token string">"guoguo"</span><span class="token punctuation">)</span> <span class="token comment">//两个密钥都要相同</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">parseClaimsJws</span><span class="token punctuation">(</span><span class="token string">"eyJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiVG9tIiwiaWQiOjEsImV4cCI6MTY5MjY4MDUxNn0.uuWEm043DAlfq_OxAB8_RTrZdiP_GPMKrBHyd7r-AHw"</span><span class="token punctuation">)</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">getBody</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <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>claims<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="自己封装版本" tabindex="-1"><a class="header-anchor" href="#自己封装版本"><span>自己封装版本</span></a></h3><p>导入令牌的包</p><div class="language-xml line-numbers-mode" data-highlighter="prismjs" data-ext="xml" data-title="xml"><pre class="language-xml"><code><span class="line"><span class="token comment"></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>io.jsonwebtoken<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>jjwt-api<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>0.11.2<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>io.jsonwebtoken<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>jjwt-impl<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>0.11.2<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>scope</span><span class="token punctuation">></span></span>runtime<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>scope</span><span class="token punctuation">></span></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>io.jsonwebtoken<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>jjwt-jackson<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>0.11.2<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span></span> <span class="line"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>scope</span><span class="token punctuation">></span></span>runtime<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>scope</span><span class="token punctuation">></span></span></span> <span class="line"><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span></span> <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>首先封装一个公共的 <code>JwtUtils</code></p><div class="language-java line-numbers-mode" data-highlighter="prismjs" data-ext="java" data-title="java"><pre class="language-java"><code><span class="line"><span class="token keyword">package</span> <span class="token namespace">com<span class="token punctuation">.</span>example<span class="token punctuation">.</span>onlineWatchTV<span class="token punctuation">.</span>utils</span><span class="token punctuation">;</span></span> <span class="line"></span> <span class="line"></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">io<span class="token punctuation">.</span>jsonwebtoken<span class="token punctuation">.</span></span><span class="token operator">*</span></span><span class="token punctuation">;</span></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">io<span class="token punctuation">.</span>jsonwebtoken<span class="token punctuation">.</span>security<span class="token punctuation">.</span></span><span class="token class-name">Keys</span></span><span class="token punctuation">;</span></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">lombok<span class="token punctuation">.</span>extern<span class="token punctuation">.</span>slf4j<span class="token punctuation">.</span></span><span class="token class-name">Slf4j</span></span><span class="token punctuation">;</span></span> <span class="line"></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">javax<span class="token punctuation">.</span>crypto<span class="token punctuation">.</span></span><span class="token class-name">SecretKey</span></span><span class="token punctuation">;</span></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">Date</span></span><span class="token punctuation">;</span></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">HashMap</span></span><span class="token punctuation">;</span></span> <span class="line"><span class="token keyword">import</span> <span class="token import"><span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">Map</span></span><span class="token punctuation">;</span></span> <span class="line"></span> <span class="line"><span class="token annotation punctuation">@Slf4j</span></span> <span class="line"></span> <span class="line"><span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">JwtUtil</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token doc-comment comment">/**</span> <span class="line"> * 在这里定义了三个在token中的参数分别是 id username和过期时间</span> <span class="line"> *</span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">id</span></span> <span class="line"> * <span class="token keyword">@param</span> <span class="token parameter">username</span></span> <span class="line"> * <span class="token keyword">@return</span></span> <span class="line"> */</span></span> <span class="line"> <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">String</span> <span class="token function">getToken</span><span class="token punctuation">(</span><span class="token class-name">Long</span> id<span class="token punctuation">,</span> <span class="token class-name">String</span> username<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token comment">// 创建安全的 HS256 密钥</span></span> <span class="line"> <span class="token class-name">SecretKey</span> secretKey <span class="token operator">=</span> <span class="token class-name">Keys</span><span class="token punctuation">.</span><span class="token function">secretKeyFor</span><span class="token punctuation">(</span><span class="token class-name">SignatureAlgorithm</span><span class="token punctuation">.</span><span class="token constant">HS256</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token comment">//使用生成的密钥进行 JWT 的签名和验证操作</span></span> <span class="line"> <span class="token class-name">JwtParser</span> jwtParser <span class="token operator">=</span> <span class="token class-name">Jwts</span><span class="token punctuation">.</span><span class="token function">parserBuilder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">setSigningKey</span><span class="token punctuation">(</span>secretKey<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">build</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"><span class="token comment">//// 生成 JWT</span></span> <span class="line"> <span class="token class-name">Map</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">Object</span><span class="token punctuation">></span></span> claims <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> claims<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"id"</span><span class="token punctuation">,</span> id<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> claims<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"username"</span><span class="token punctuation">,</span> username<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token class-name">String</span> jwtToken <span class="token operator">=</span> <span class="token class-name">Jwts</span><span class="token punctuation">.</span><span class="token function">builder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">setClaims</span><span class="token punctuation">(</span>claims<span class="token punctuation">)</span> <span class="token comment">//自定义内容</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">signWith</span><span class="token punctuation">(</span>secretKey<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">setExpiration</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token class-name">System</span><span class="token punctuation">.</span><span class="token function">currentTimeMillis</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">3600</span> <span class="token operator">*</span> <span class="token number">1000</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token comment">//设置有效期为1小时</span></span> <span class="line"> <span class="token punctuation">.</span><span class="token function">compact</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> log<span class="token punctuation">.</span><span class="token function">info</span><span class="token punctuation">(</span><span class="token string">"密钥创建成功:{}"</span><span class="token punctuation">,</span> jwtToken<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> jwtToken<span class="token punctuation">;</span></span> <span class="line"> <span class="token punctuation">}</span></span> <span class="line"></span> <span class="line"></span> <span class="line"> <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Object</span> <span class="token function">getDataByToken</span><span class="token punctuation">(</span><span class="token class-name">String</span> jwtToken<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token class-name">SecretKey</span> secretKey <span class="token operator">=</span> <span class="token class-name">Keys</span><span class="token punctuation">.</span><span class="token function">secretKeyFor</span><span class="token punctuation">(</span><span class="token class-name">SignatureAlgorithm</span><span class="token punctuation">.</span><span class="token constant">HS256</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token class-name">JwtParser</span> jwtParser <span class="token operator">=</span> <span class="token class-name">Jwts</span><span class="token punctuation">.</span><span class="token function">parserBuilder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">setSigningKey</span><span class="token punctuation">(</span>secretKey<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">build</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"></span> <span class="line"> <span class="token comment">//// 解析和验证 JWT</span></span> <span class="line"> <span class="token keyword">try</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token class-name">Claims</span> claims3 <span class="token operator">=</span> jwtParser<span class="token punctuation">.</span><span class="token function">parseClaimsJws</span><span class="token punctuation">(</span>jwtToken<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">getBody</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> log<span class="token punctuation">.</span><span class="token function">info</span><span class="token punctuation">(</span><span class="token string">"密钥解析的结果claims:{}"</span><span class="token punctuation">,</span> claims3<span class="token punctuation">)</span><span class="token punctuation">;</span></span> <span class="line"> <span class="token keyword">return</span> claims3<span class="token punctuation">;</span></span> <span class="line"> <span class="token comment">// 进一步处理解析得到的数据</span></span> <span class="line"> <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">JwtException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span></span> <span class="line"> <span class="token comment">// 处理验证失败的情况</span></span> <span class="line"> <span class="token keyword">return</span> e<s