thinkphp 增刪改查 ajaxreturn

  //根據條件查詢

 public function zaixiao_basic() {

       $tab=M('drivestutab');

       $name =I('Name');

       $idcard =I('IDcard');

       $sql = " Name like '$name%' and IDcard like '$idcard%'" ;

       $result=$tab->where($sql)->select();

       if($result){

           $this->ajaxReturn($result);

       }     

    }

   //增加數據

     public function zaixiao_basic_save(){

       $tab=M("drivestutab");

       if($tab->create())

        {

        $tab->add();

         $this->ajaxReturn("添加成功");

       }

 else{

       $this->ajaxReturn("添加失敗");

 }

   }

//更新數據，必須有一個主鍵的隱藏域，才能實現數據的更新，如： <th field="ID" type="hidden"> ID</th>

    public function zaixiao_basic_update()

    {

        $tab=M('drivestutab');

        $id=I('ID');
        $vo = $tab->where("ID=$id")->save();

        $tab->create();

                 $vo=$tab->save();

      if($vo) {

           $this->ajaxReturn("更新成功"); 

           }else{ 

                 $this->ajaxReturn("更新失敗"); 

           } 

       }

//根據所選那一行id，刪除那一行對應的所有數據

       public function zaixiao_basic_delete() {

      $tab=M('drivestutab');

       $id =I('id');

      if ($vo=$tab->where("ID=$id")->delete()){ 

          $this->ajaxReturn("刪除成功"); 

       }else{ 

           $this->ajaxReturn("刪除失敗"); 

       } 

   }