using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using Newtonsoft.Json;namespace TestWeb{  public partial class ajax : System.Web.UI.Page  {    protected void Page_Load(object sender, EventArgs e)    {      if (!IsPostBack)      {        //TestAjax()      }    }    public void TestAjax()    {      var phone = Request.Form["phone"];      var authcode = Request.Form["authcode"];      var pt = Request.Form["pt"]; //js時間戳 new Date().getTime() eg: 1429503106452      string outputmsg = string.Empty;      if (phone != null && authcode != null && pt != null)      {        DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));        //說明下，時間格式為13位后面補加4個"0"，如果時間格式為10位則后面補加7個"0"        long lTime = long.Parse(pt + (pt.Length == 13 ? "0000" : "0000000"));        TimeSpan toNow = new TimeSpan(lTime);        DateTime dtResult = dtStart.Add(toNow); //得到轉換后的時間        string str = dtResult.ToString();        outputmsg = OutMsg(new ResponseInfo { success = true, tag = 100, msg = "成功" });      }      Response.Write(outputmsg);    }    public long GetCurrentTicksForJs()    {      System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));      DateTime dtResult = DateTime.Now;//獲取時間           long t = (dtResult.Ticks - startTime.Ticks) / 10000;//除10000調整為13位      return t;    }    public string OutMsg(object obj)    {      return JsonConvert.SerializeObject(obj, Newtonsoft.Json.Formatting.Indented);    }    public class ResponseInfo    {      public bool success { get; set; }      public int tag { get; set; }      public string msg { get; set; }    }    //...  }}<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ajax.aspx.cs" Inherits="TestWeb.ajax" %><script type="text/javascript">  var d = new Date(<%=GetCurrentTicksForJs() %>);  alert(formatDate(d));   function formatDate(now) {    var year = now.getFullYear();    var month = now.getMonth() + 1;    var date = now.getDate();    var hour = now.getHours();    var minute = now.getMinutes();    var second = now.getSeconds();    return year         + "-"         + (month.toString().length ==1 ? "0"+month : month)         + "-"         + (date.toString().length ==1 ? "0"+date : date) + " " + hour + ":" + minute + ":" + second;  }</script>var date = new Date(1459481266695);Y = date.getFullYear() + '-';M = (date.getMonth()+1 < 10 ? '0'+(date.getMonth()+1) : date.getMonth()+1) + '-';D = date.getDate() + ' ';h = date.getHours() + ':';m = date.getMinutes() + ':';s = date.getSeconds(); console.log(Y+M+D+h+m+s); VM307:9 2016-04-1 11:27:46