The use of Try catch in thinkphp

1  Public functionDoedit_set () {2     $info=$this->_post ("Info"); 3     $id=$this->_post ("id");//dump ($info); exit ();4     $user=DD ("Order.orderpackage")->deal_account ($info[' Accounts ']); 5     Try{6         $result=DD (' Set.userset ')->doedit_setinfo ($id,$info,$user);7         if($result){8            $this->success ("Edit succeeded", U ("Userset/index"));9         }Ten         $this->error ("Edit Failed");  One}Catch(Exception $e){     A        $this->error ($e-getMessage ()); -     }     - } the  -  -  -  Public functionDoedit_setinfo ($id,$edit _info,$user _id) + { -    if($id&&$edit _info) +    {      A         $res=m (' User_set ')->where (Array(' op_name ' =$edit _info[' Op_name '], ' id ' = =$id)),find (); at  -         if(!$res) -         { -E ("Illegal data"); -         } -  in         $MD=NewModel (); -         $MD-Starttrans (); to         $user _info=DD ("User.adminuser")get_info (); +         $edit _info[' Start_time ']=Strtotime($edit _info[' Time1 ']); -         $edit _info[' End_time ']=Strtotime($edit _info[' Time2 ']); the         foreach($user _id  as $key=$value) { *  $             $op=m (' User_set ')->where (Array(' op_name ' =$edit _info[' Op_name '], ' uid ' =$value)),find ();Panax Notoginseng             if($op[' ID ']!=$id&&$op ) -             { theE ("This user Configuration already exists"); +             } A  the             if(M (' User_set ')->where (' uid=%d '),$value),find ()) +             {    -                 $edit _info[' UID ']=$value; $                 $result=m (' User_set ')->where ("id=%d",$id)->save ($edit _info); $                 $content= "ID:".$id." |op_name before the modification: ".$res[' Op_name ']. "| Op_value: ".$res[' Op_value ']. "| Op_des: ".$res[' Op_des ']. "| Start_time: ".$res[' Start_time ']. "| End_time: ".$res[' End_time ']. "| Is_del: ".$res[' Is_del ']. "| UID: ".$res[' UID ']. "| Modified: Op_name ".$edit _info[' Op_name ']. "| Op_value ".$edit _info[' Op_value ']. "| Op_des: ".$edit _info[' Op_des ']. "| Start_time: ".$edit _info[' Start_time ']. "| End_time: ".$edit _info[' End_time ']. "| UID: ".$value;  -                 $type= "Modify"; -                 $obj= "User Configuration"; the                 $log _result=DD ("Logs.userop")->handle_logs ($user _info[' UserId '],$user _info[' Account '],$content,$type,$obj);  -             }Wuyi             Else the             {   -                $edit _info[' UID ']=$value;  Wu                $result=m (' User_set ')->add ($edit _info);  -                $content= "New User Configuration |id:".$result."| Op_name: ".$edit _info[' Op_name ']. "| Op_value: ".$edit _info[' Op_value ']. "| Op_des: ".$edit _info[' Op_des ']. "| Start_time: ".$edit _info[' Start_time ']. "| End_time: ".$edit _info[' End_time ']. "| UID: ".$edit _info[' UID ']. "| Is_del: ".$edit _info[' Is_del '];  About                $type= "New"; $                $obj= "User Configuration"; -                $log _result=DD ("Logs.userop")->handle_logs ($user _info[' UserId '],$user _info[' Account '],$content,$type,$obj);  -             } -         } A   +         if($result!==false&&$log _result ) the         {   -             $MD-commit (); $             return true; the         } the         Else the         {    the             $MD-rollback (); -             return false; in         } the    } the    Else About    { theE ("Parameter Error"); the    } the}

The use of Try catch in thinkphp