Yii 框架 验证码 与 表单验证 操作

controller：

public function actions(){return [// captcha action renders the CAPTCHA image displayed on the contact page'captcha'=>['class' => 'yii\captcha\CaptchaAction','backColor'=>0xFFFFFF,  //背景颜色'minLength'=>6,  //最短为4位'maxLength'=>6,   //是长为4位'transparent'=>true,  //显示为透明'testLimit'=>0,'fixedVerifyCode' => YII_ENV_TEST ? 'test' : null,],];}、

Model

public $verifyCode;

 public function rules(){return [//账号、密码、确认密码、邮箱、验证码必须[['username','password','password_rep','email','verifyCode'],'required'],//账号只能是汉字/数字/下划线,不能包含空格['username','match','pattern'=>'/^[\x{4e00}-\x{9fa5}_a-zA-Z0-9]*$/'],//用户名最大10位，最小3位['username','string','max'=>16,'min'=>2],//用户名/邮箱唯一['username','unique','targetClass'=>'\backend\modules\pub\models\YiiUser','message'=>'账号已存在'],['email','unique','targetClass'=>'\backend\modules\pub\models\YiiUser','message'=>'邮箱已被绑定'],//去除空格[['username','email'],'trim'],//密码最大16位，最小6位['password','string','max'=>16,'min'=>6],//验证邮箱['email','email','message'=>'邮箱不规范'],//验证两次密码是否一致['password_rep','compare','compareAttribute'=>'password','message'=>'两次密码不一致'],//验证码['verifyCode', 'captcha','captchaAction'=>'pub/default/captcha'],];}

页面Form部分代码

 <?= $form->field($model,'email')->textInput(['placeholder'=>'邮箱'])->label('邮箱')?><?= $form->field($model, 'verifyCode')->label('验证码')->widget(Captcha::className(), ['options'=>['placeholder'=>'验证码'],'captchaAction' => 'default/captcha','imageOptions'=>['style'=>'margin-top:-5px;',],'template' => '<div class="row"><div class="col-lg-6">{input}</div><div class="col-lg-6">{image}</div></div>',]) ?>