public function attributeLabels(){return ['id'        => 'ID','username'    => '用户名','created_at'=> '注册时间','updated_at'=> '修改时间','channel'=> '渠道',];} public function rules(){return [['username', 'filter', 'filter' => 'trim'],['username', 'required'],['username', 'unique', 'message' => 'This username has already been taken'],['username', 'string', 'min' => 2, 'max' => 255],['email', 'filter', 'filter' => 'trim'],['email', 'required'],['email', 'email'],['email', 'string', 'max' => 255],['email', 'unique', 'message' => 'This email address has already been taken'],[['password'], 'required', 'on' => ['create']],[['password'], 'string', 'min' => 6, 'on' => ['create', 'update']],['status', 'default', 'value' => self::STATUS_ACTIVE],['status', 'in', 'range' => [self::STATUS_ACTIVE, self::STATUS_DELETED]],[['channel'], 'safe'],];} public function signup(){if (!$this->validate()) {return null;}$this->username = $this->username;$this->email = $this->email;$this->channel = implode(',',$this->channel);//定义了channel safe之后才可以用$this->channel访问数据$this->setPassword($this->password);$this->generateAuthKey();return $this->save() ? $this : null;}

    <?= $form->field($model, 'channel', ['labelOptions' => ['class'=>'col-lg-2 control-label'],'template' => '{label}<div class="col-lg-10">{input}{error}</div>',])->checkboxList($gamechannel) ?>

 public function actionUpdate($id){$model = $this->findModel($id);$model->setScenario('update');if($model->load(Yii::$app->request->post())){if($model->password){$model->setPassword($model->password);$model->generateAuthKey();}if($model->channel){$model->channel = implode(',',$model->channel);}if ($model->save()) {return $this->redirect(['index']);} else {return $this->render('//user/update', ['model' => $model,]);}}else{$checklist = explode(',',$model->channel);$model->channel = $checklist;  //就是这里 从db里读取渠道赋值给$model->channelreturn $this->render('//user/update', ['model' => $model,]);}}