目录php
当程序中出现不可预期的错误,好比说除0异常,yii会给咱们扔出这个异常信息,因为如今都是读写分离,客户端调你的api,都是协商好的数据格式,若是业务方没有兼容你的异常返回,客户端出现异常错误,影响也挺恶心。web
再者,写些脚本的时候,出现不可预期的异常没有记到日志中,对于咱们排查错误也是大大的麻烦。好在,yii提供错误处理,看看官方文档:错误处理api
默认的错误处理是 (web)https://www.yiichina.com/doc/api/2.0/yii-web-errorhandler (console)https://www.yiichina.com/doc/api/2.0/yii-console-errorhandler,
经过重写renderException方法,就能够达到自定义的错误输出。app
web.php 配置:yii
... 'errorHandler' => [ 'class' => 'app\controllers\ErrorController', 'errorAction' => 'site/error', ], ...
ErrorController.phpide
<?php namespace app\controllers; use app\modules\Common; use Yii; class ErrorController extends \yii\web\ErrorHandler{ protected function renderException($exception){ //todo 业务处理异常 //if( Yii::$app->request->getIsPost() && !Yii::$app->request->get('fullerror')){ // return Common::echoJson(500, $exception->getMessage()); //} parent::renderException($exception); } }
console.phpui
... 'errorHandler' => [ 'class' => 'app\commands\ErrorController' ],
ErrorController.phpspa
<?php namespace app\commands; use Yii; use yii\helpers\FileHelper; use yii\log\FileTarget; use yii\log\Logger; class ErrorController extends \yii\base\ErrorHandler{ protected function renderException($exception){ //业务处理异常 $errMsg = "文件位置:{$exception->getFile()} 所在行:{$exception->getLine()}\n". "错误:".$exception->getMessage(); self::writeLog('sys_exception.log',date('Y-m-d H:i:s') . "{$errMsg}\n"); } public static function writeLog($fileName, $message,$categories='') { $logPath = Yii::$app->getRuntimePath() . '/logs/' . date("Ymd") . "/"; FileHelper::createDirectory($logPath); $file = new FileTarget(); $file->logFile = $logPath . $fileName; $file->messages[] = [$message, Logger::LEVEL_INFO, $categories, time()]; $file->export(); } }