cool-admin-java-docs/.vitepress/dist/assets/src_guide_noRepeatSubmit.md.BwVs_CPb.js

import{_ as s,c as i,o as a,a5 as n}from"./chunks/framework.C_oE5szm.js";const o=JSON.parse('{"title":"防重复提交","description":"","frontmatter":{},"headers":[],"relativePath":"src/guide/noRepeatSubmit.md","filePath":"src/guide/noRepeatSubmit.md","lastUpdated":1724694022000}'),t={name:"src/guide/noRepeatSubmit.md"},h=n(`<h1 id="防重复提交" tabindex="-1">防重复提交 <a class="header-anchor" href="#防重复提交" aria-label="Permalink to &quot;防重复提交&quot;">​</a></h1><p>基于用户维度的防重复提交，该接口需要登录鉴权</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Aspect</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Component</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RequiredArgsConstructor</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> NoRepeatSubmitAspect</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">    private</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> final</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CoolLock coolLock;</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Around</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;@annotation(noRepeatSubmit)&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">    public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">around</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(ProceedingJoinPoint </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">joinPoint</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, NoRepeatSubmit </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">noRepeatSubmit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">throws</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Throwable {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        HttpServletRequest request </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ((ServletRequestAttributes) Objects.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">requireNonNull</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">            RequestContextHolder.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getRequestAttributes</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">())).</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getRequest</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        String key </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> request.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getRequestURI</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">+</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;:&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CoolSecurityUtil.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getCurrentUserId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">        // 加锁</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        CoolPreconditions.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">check</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">coolLock.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">tryLock</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(key, Duration.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ofMillis</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(noRepeatSubmit.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">expireTime</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">())), </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;请勿重复操作&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">        try</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">            return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> joinPoint.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">proceed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">finally</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">            // 移除锁</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">            coolLock.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">unlock</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(key);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>使用 在controller接口上加上 @NoRepeatSubmit 注解</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Operation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">summary</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;&#39;领取优惠券&#39;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">PostMapping</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;/receive&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">NoRepeatSubmit</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">    public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> R </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">receive</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RequestAttribute</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() JSONObject requestParams) {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">        Long couponId </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> requestParams.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">get</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;couponId&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Long.class);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">        return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> R.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ok</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(marketCouponInfoService.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">receive</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(couponId, CoolSecurityUtil.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getCurrentUserId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()));</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">    }</span></span></code></pre></div>`,5),k=[h];function p(l,e,E,r,d,g){return a(),i("div",null,k)}const c=s(t,[["render",p]]);export{o as __pageData,c as default};