Laravel表单请求验证忽略某些字段验证

作者: 温新

分类: 【Laravel】

阅读: 2811

时间: 2021-01-09 12:05:49

添加和修改时,对于数据的验证有时候是不同的,如添加时要对邮箱进行唯一性验证,那么编辑时就要忽略该邮箱的唯一验证,不然将始终提示邮箱已存在。对此,官方文档仅仅只是提供了粗糙的案例,用起来并不容易。本篇文章将提供2种方法(实际上就是一种方法的延伸)。

问题

问题具体描述,如有2个页面,add.blade.php与edit.blade.php。

add.blade.php

<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">input</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">type</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">name</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"email"</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">class</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"layui-input"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">lay</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">verify</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"email"</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">input</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">type</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">name</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"username"</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">class</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"layui-input"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">lay</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">verify</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"required"</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">></span></span>

edit.blade.php

<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">input</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">type</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">name</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"email"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">vlaue</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"{</span>{<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$u</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">email</span>}<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">}"</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">class</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"layui-input"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">lay</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">verify</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"email"</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">input</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">type</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">name</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"username"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">value</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"{</span>{<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$u</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">username</span>}<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">}"</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">class</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"layui-input"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">lay</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">verify</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span><span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"required"</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">></span></span>

2个页面都有email字段,add时对email字段做了唯一性验证,编辑时就不对该email进行唯一验证,但是若更改了email的值,唯一性验证还是需要的。另外,要是edit页面中,对username不进行验证又该怎么办?

对于上述情况,有两种解决,

1)写2个表单请求验证,如UsAddRequest.phpUsUpdateRequest.php分开独立验证。缺点是多写文件,代码重复,优点是清晰;

2)手动实现一个场景验证。缺点就是代码多,优点是文件少。

本文将记录2)种方法实现。实际上,两种方法是一致的,只是将1)种方法的逻辑融合到2)种,然后分离出场景验证。

Laravel过滤表单验证及手动场景验证

以User模块为假设,路由、控制器、模板页面请自行创建。对于添加就不多说了,重点在于编辑界面。

第一步:定义路由

<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"># 处理更新</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">Route</span>::<span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">put</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'/update/{id}'</span>,<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'UserController@update'</span>);</span>

第二步:控制器方法、请求验证、界面自行创建

第三步:过滤表单请求验证

说明:添加与更新都使用UserReqest.php验证。

3.1、UserController控制器方法

<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 添加</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">public</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">store</span>(<span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">UserRequest</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$request</span>){}</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 更新</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">public</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">update</span>(<span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">UserRequest</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$request</span>){}</span>

3.2、UserRequest.php验证实现

<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><?</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">namespace</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">App\Http\Requests</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">use</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">Illuminate\Foundation\Http\FormRequest</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">class</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">UserRequest</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">extends</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">FormRequest</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">{</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 将验证规则分离为属性</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">protected</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$msg</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> [</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'username.required'</span>     <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=></span>  <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'用户名必须填写'</span>,</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'email.unique'</span>          <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=></span>  <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'邮箱已存在'</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    ];</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">public</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">authorize</span>()</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">return</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">true</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 验证规则</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">public</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">rules</span>()</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">return</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">scene</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 错误信息</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">public</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">messages</span>()</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">return</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">msg</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 验证场景</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">protected</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">scene</span>()</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 接收当前路由参数</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$id</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">route</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'id'</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 请求方法</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$requestMethod</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">method</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 判断是添加还是更新</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">if</span> (<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$requestMethod</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">==</span> <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'POST'</span>) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 添加操作</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">return</span> [</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">                <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'username'</span>  <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=></span>  <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'required'</span>,</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">                <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'email'</span>     <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=></span>  <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'required|email|unique:users'</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            ];</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        } <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">else</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">if</span> (<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$requestMethod</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">==</span> <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'PUT'</span>) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 删除不需要的错误信息</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">unset</span>(<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">msg</span>[<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'password.required'</span>]);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">unset</span>(<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$this</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">msg</span>[<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'password.min'</span>]);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 更新操作</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">return</span> [</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">                <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'email'</span>     <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=></span>  <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'required|email|unique:users,email,'</span> . <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$id</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">            ];</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">        }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">    }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">}</span>

解释:

自定义了一个scene验证场景;

scene方法体中,根据请求方法的不同来区分是添加还是更新操作;

请求类型为POST,则为添加操作,那么验证所有,请求类型为PUT则为更新操作,那么只验证email并过滤自身(不验证)。

当更新时需要注意:

$id = $this->route('id');获取的是当前路由参数Route::put('/update/{id}','UserController@update');,

验证规则:'email'     =>  'required|email|unique:users,email,' . $id忽略自身的验证,需要注意:可以看到有2个email,第一个email是验证邮箱格式,第二个email是过滤当前验证,'email,'.$id必须严格按照这种格式。

这样一个简单的自定义场景验证规则就完成了。

我是小白,期待和优秀的你一起同行!

小白

2021年01月09日

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