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                ## **異常分類** **用戶級異常:** * 用戶行為導致的異常(如沒有通過驗證器。沒有查詢到結果) * 通常不需要記錄日志 * 需要向用戶返回具體錯誤信息 **服務器級異常:** * 一般是代碼錯誤或者調用外部接口錯誤 * 通常記錄日志 * 不向客戶返回具體錯誤信息 沒有封裝的話每個方法都需要對異常進行重寫重復代碼太多 ~~~ try{ $banner=BannerModel::getBannerById($id); var_dump($banner); }catch(Excption $ex){ $err=[ 'erro_code'=>"1001", "msg"=>$ex->getmessage() ]; return json($err,400); } ~~~
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