添加项目文件。

HT.Cloud.Code/Attribute/LockAttribute.cs

@@ -0,0 +1,52 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Filters;
+using System.Diagnostics;
+using System.Threading.Tasks;
+
+namespace HT.Cloud.Code
+{
+	/// <summary>
+	/// 防重复提交,api使用
+	/// </summary>
+	public class LockAttribute : ActionFilterAttribute
+	{
+		/// <summary>
+		/// 拦截
+		/// </summary>
+		/// <param name="context"></param>
+		/// <param name="next"></param>
+		/// <returns></returns>
+		public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
+		{
+			Stopwatch sw = new Stopwatch();
+			sw.Start();
+			if (GlobalContext.SystemConfig.Debug == false)
+			{
+				if (OperatorProvider.Provider.GetCurrent() == null)
+				{
+					context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "抱歉，没有操作权限" });
+					return;
+				}
+				else
+				{
+					string token = context.HttpContext.Request.Headers[GlobalContext.SystemConfig.TokenName].ParseToString();
+					if (string.IsNullOrWhiteSpace(token))
+					{
+						context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "token不能空" });
+						return;
+					}
+					//固定加锁5秒
+					bool result = CacheHelper.SetNx(token, token, 5);
+					if (!result)
+					{
+						context.Result = new JsonResult(new AlwaysResult { state = ResultType.error.ToString(), message = "请求太频繁，请稍后" });
+						return;
+					}
+				}
+			}
+			await next();
+
+			sw.Stop();
+		}
+	}
+}