'require|max:25', 'email' => 'email', 'mobile' => 'mobile', 'password' => 'require|max:32' ]; // 定义信息 protected $message = [ 'username.require' => '去设置用户名', 'username.max' => '用户名最多不能超过25个字符', 'mobile' => '手机号格式错误', 'email' => '邮箱格式错误', 'password.require' => '请设置密码', 'password.max' => '密码最多不能超过32个字符', ]; //定义场景 protected $scene = [ 'register.email' => ['email','password'], 'register.username' => ['username','password'], 'register.mobile' => ['mobile','password'], ]; }