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Laravel 5.4 逻辑异常处理
修改 app\Exceptions\Handler.php
public function render($request, Exception $exception)
{
if ($exception instanceof ValidationException) {
return $this->invalidJson($request,$exception);
}
/**
* 如果对应异常拥有渲染方法则调用
*/
if( method_exists( $exception ,'render' ) )
{
return $exception->render( $request );
}
return parent::render($request, $exception);
}
增加逻辑异常app\Exceptions\OrderException.php
<?php
namespace App\Exceptions;
use Exception;
class OrderException extends Exception
{
protected $errors = [
10011 => '订单状态错误' ,
10012 => '订单不存在' ,
10013 => '禁止修改订单价格' ,
];
/**
* @param $request
* @return \Illuminate\Http\JsonResponse
*/
public function render( $request )
{
return response()->json([
'code' => $this->getCode() ,
'message' => $this->getMessage() ,
'request_id' => REQUEST_ID
] , 200 );
}
}
异常触发
$order = Order::find( $order_id );
if( !$order )
{
throw new OrderException( '订单不存在' , 10012 );
}
如果需要捕捉异常的话:
try
{
# 事务开始
throw new Exception( '系统繁忙' );
# 事务提交
}
catch ( Exception $e )
{
# 事务回滚
throw new OrderException( '订单状态修改失败' , 10011 );
}