52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.Filters;
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using System.Diagnostics;
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using System.Threading.Tasks;
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namespace HT.Cloud.Code
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{
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/// <summary>
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/// 防重复提交,api使用
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/// </summary>
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public class LockAttribute : ActionFilterAttribute
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{
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/// <summary>
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/// 拦截
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/// </summary>
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/// <param name="context"></param>
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/// <param name="next"></param>
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/// <returns></returns>
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public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
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{
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Stopwatch sw = new Stopwatch();
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sw.Start();
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if (GlobalContext.SystemConfig.Debug == false)
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{
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if (OperatorProvider.Provider.GetCurrent() == null)
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{
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context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "抱歉，没有操作权限" });
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return;
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}
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else
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{
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string token = context.HttpContext.Request.Headers[GlobalContext.SystemConfig.TokenName].ParseToString();
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if (string.IsNullOrWhiteSpace(token))
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{
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context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "token不能空" });
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return;
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}
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//固定加锁5秒
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bool result = CacheHelper.SetNx(token, token, 5);
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if (!result)
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{
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context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "请求太频繁，请稍后" });
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return;
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}
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}
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}
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await next();
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sw.Stop();
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}
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}
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} |