asp.net线程批量导入数据时通过ajax获取执行状态_实用技巧_

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 using System.Linq; using System.Threading; using System.Web; using System.Web.Script.Serialization; using System.Web.UI; using System.Web.UI.WebControls; public partial class test : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string action = Request.Form["action"]; if (!string.IsNullOrEmpty(action)) { Hashtable temp = tmethod(); if (temp == null) { Thread trd = new Thread(new ParameterizedThreadStart(insertData)); trd.Start(action); } else { if (temp["reCode"].ToString() == "100") { Session.Remove("process"); } } JavaScriptSerializer ser = new JavaScriptSerializer(); String jsonStr = ser.Serialize(temp); Response.Write(jsonStr); Response.End(); } } public Hashtable tmethod() { return (Hashtable)Session["process"]; } private void insertData(object obj) { string action = obj.ToString(); int tCount = 100; for (int i = 0; i < tCount; i++) { Hashtable stateHash = setStateVal(0, i, tCount, action); Session["process"] = stateHash; //存入session，方便共享执行状态 Thread.Sleep(500); } Session["process"] = setStateVal(100, tCount, tCount, action); Thread.CurrentThread.Abort(); } private Hashtable setStateVal(int code, int beingV, int CountV, string action) { Hashtable stateHash = new Hashtable(); stateHash["reCode"] = code; //返回状态值 stateHash["being"] = beingV; //正在执行值 stateHash["count"] = CountV; //总值 stateHash["action"] = action; //总值 return stateHash; } }