//發(fā)送郵箱,激活賬號public function actionEmail(){    $email=Yii::$app->request->get('email');    //數(shù)字簽名    $em_1=md5($email);    //郵箱發(fā)送    $mail= Yii::$app->mailer->compose();    $mail->setTo($email);    $mail->setSubject("激活郵箱");    //發(fā)布可以帶html標簽的文本    $mail->setHtmlBody("<a href='http://www.small2.com/backend/web/index.php?r=login/live&em_1=".$em_1."&email=".$email."'>點擊此鏈接</a>");    if($mail->send())      echo "success";    else      echo "false";    die(); //郵箱發(fā)送ok}//激活賬號public function actionLive(){   $email=Yii::$app->request->get('email');   $em_1=Yii::$app->request->get('em_1');   //echo $em_1;die;   $em_2=md5($email);   //echo $em_2;die;   if($em_1==$em_2)   {     $res=Yii::$app->db;     $data=$res->createCommand()->update("login",["status"=>1],["email"=>$email])->execute();     if($data)     {      echo "<script>alert('激活成功，可登錄');location.href='index.php?r=login/login'</script>";     }     else     {       echo "<script>alert('激活失敗');location.href='index.php?r=login/login'</script>";     }   }   else   {     echo "<script>alert('參數(shù)錯誤,重新激活');location.href='index.php?r=login/login'</script>";   }}