['规则1','规则2'...] * * @var array */ protected $rule = [ 'username' => 'require', 'password' => 'require', 'token' => 'require', 'captcha' => 'require' ]; /** * 定义错误信息 * 格式:'字段名.规则名' => '错误信息' * * @var array */ protected $message = [ 'username.require' => '用户名不能为空', 'password.require' => '密码不能为空', 'token.require' => '验证码token不能为空', 'captcha.require' => '验证码不能为空' ]; }