odd_job/app/common/validate/User.php

<?php

namespace app\common\validate;

use think\Validate;

class User extends Validate
{
    protected $rule = [
        'mobile'     =>  'require|mobile|unique:user'
    ];
	
	protected $message  =   [
        'mobile.require' => '手机号不能为空',
		'mobile.mobile'  => '手机号格式不正确',
        'mobile.unique'  => '手机号不能重复'
    ];

}