Laravel9使用Redis悲观锁,防止高并发情况下同一接口插入多条数据
一、首先,我们新建一个中间件
php artisan make:middleware IgnoreRepeatRequest
输入代码
<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Redis;
class IgnoreRepeatRequest
{
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse) $next
* @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
*/
public function handle(Request $request, Closure $next)
{
// if (Cache::has($key)) {
// // $res[‘msg’] = 1;
// // $res[‘infor’] = “禁止重复点击!”;
// // return response()->json($res);
// return abort(429);
// }
// Cache::put($key, ”, 1);
//return $next($request);
$key = (md5($request->route()->uri() . Auth::guard(‘qian’)->user()->id . md5(json_encode($request->all()))));
if (Redis::setnx($key, 1)) {
Redis::expire($key, $set[“max_time”] ?? 60);
} else {
$res[‘msg’] = 1;
$res[‘infor’] = “禁止重复点击!”;
return response()->json($res);
}
$response = $next($request);
Redis::del($key);
return $response;
// if (Cache::has($key)) {
// // $res[‘msg’] = 1;
// // $res[‘infor’] = “禁止重复点击!”;
// // return response()->json($res);
// return abort(429);
// }
// Cache::put($key, ”, 1);
//return $next($request);
}
}
二、放入kernel中的routerMiddleware
‘IgnoreRepeatRequest’ => \App\Http\Middleware\IgnoreRepeatRequest::class,
去掉注释部分,记得开opcache