laravel版本 5.5
laravel的unique的用法:

'customer_type', 1);
$attributes = request()->validate([
'gender' => 'required|min:0|max:3',
'chinese_name' => 'nullable|min:2',
'english_name' => 'nullable|min:3',
'area_phone_number' => 'required|numeric',
'telephone' => 'required|numeric',
'email' => ['required', 'email', Rule::unique('customer')->ignore(request('id'))->where(function ($query) {
$query->whereNotIn('status', [4]);
})],
// 'email' => 'required|email|unique:customer,email,' . request('id'),
'password' => 'nullable|string|min:6',
'concurrent_login_num' => 'required|min:1|integer',
'child_age' => 'nullable|integer|min:0',
'remark' => 'nullable|string|max:1024',
'status' => 'required|integer|min:0|max:4',
]);

注意一下这个用法:

'email' => ['required', 'email', Rule::unique('customer')->ignore(request('id'))->where(function ($query) {
$query->whereNotIn('status', [4]);
})],

这个意思是更新信息检测邮箱是否重复的时候,排除自己,并且排除状态为4的所有用户,我这里,状态为4的用户是删除的状态。如果这个邮箱是被删除的用户所使用,那么,也不检验重复性。

参考资料:​​https://laravel.com/docs/5.5/validation​

文件位置:
D:\phpStudy\WWW\BCCKidAdmin\vendor\laravel\framework\src\Illuminate\Validation\Rules\DatabaseRule.php

关于各种的的验证:
D:\phpStudy\WWW\BCCKidAdmin\vendor\laravel\framework\src\Illuminate\Validation\Concerns\ValidatesAttributes.php
D:\phpStudy\WWW\BCCKidAdmin\vendor\laravel\framework\src\Illuminate\Validation\Concerns\ReplacesAttributes.php