public function actionGettopmoment()
 {
     $moments = new Moments();
     $usertb = new UserTb();
     $result = $moments->getAllTopMoment();
     $msg = '';
     $name = '';
     foreach ($result as $value) {
         $name = $usertb->getName($value['XH_ID']);
         $msg .= '<div class=\\"moment_Sty\\"><div class=\\"moment_Owner\\"><p class=\\"centerMomentName\\">' . $name . '</p></div><div class=\\"moment_Content\\"><p class=\\"centerMomentName\\">' . $value['Content'] . '</p></div><div class=\\"moment_Date\\"><p class=\\"centerMomentName\\">' . $value['Mdate'] . '</p></div></div>';
     }
     if ($msg) {
         echo '{"success" :true , "msg":"' . $msg . '"}';
     } else {
         echo '{"success" :false , "msg":"没有置顶动态"}';
     }
 }