? ? ??HttpContext基于HttpApplication的處理管道，由于HttpContext對象貫穿整個處理過程，所以，可以從HttpApplication處理管道的前端將狀態數據傳遞到管道的后端，完成狀態的傳遞任務做個小demo

1.控制器：

public class TestController : Controller{string key = "data";public ActionResult Index(){return View();}/// <summary>/// 定時器獲取緩存數據/// </summary>/// <returns></returns> [HttpPost]public JsonResult GetData(){string data = Convert.ToString(HttpContext.Cache.Get(this.key));if (!string.IsNullOrEmpty(data)){return this.Json(new { success = true, data = data });}else{return this.Json(new { success = false, time = DateTime.Now.ToString("ss"), data = data });}}/// <summary>/// 打開輸入緩存值界面/// </summary>/// <returns></returns> [HttpGet]public ActionResult CreateCacheData(){return View();}/// <summary>/// 將數據插入緩存/// </summary>/// <param name="value"></param>/// <returns></returns> [HttpPost]public void InsertCache(string value){HttpContext.Cache.Insert(this.key, value); }}

2.視圖

Index.cshtml:

@{ViewBag.Title = "Index";Layout = null;} <script src="~/Scripts/jquery-1.8.2.min.js"></script> <script src="~/Scripts/jquery.timers-1.2.js"></script><button id="btnStart">開始定時器</button> <script>$(function (){//定時器開始 $("#btnStart").bind("click", function () {$("body").everyTime("3s", "timer", function () {$.ajax({type: 'post',url: '/Test/GetData',success: function (r) {if (r.success) {console.log("獲取到數據,json字符串為" + JSON.stringify(r.data));}else {console.log("(" +r.time + ")秒沒有獲取到數據");}}});})});}) </script> jquery.timers-1.2.js 是定時器jquery插件
定時器插件下載

CreateCacheData.cshtml:

@{ViewBag.Title = "CreateCacheData"; } <script src="~/Scripts/jquery-1.8.2.min.js"></script> <input id="txtData"/> <button id="btnSave" >插入服務器緩存 </button><script>$(function () {$("#btnSave").click(function (){var getDataValue = $("#txtData").val();$.post("/Test/InsertCache", {value:getDataValue}, function () {alert("緩存插入成功");});})}); </script>

3.效果

，

轉載于:https://www.cnblogs.com/CallmeYhz/p/5979345.html

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