Html代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
<title>Pick One</title>
</head>
<style type="text/css">
span{
/*display:inline;*/
margin:0 auto
}
.header
{
background: #ccc;
display: flex;
justify-content: space-between;
}
.nowtime
{
font-size:32px;
font-weight:bold;
}
.tname
{
font-size:48px;
color:#9400D3;
}
.endtime
{
font-size:32px;
color:#000F7F;
}
</style>
<script>
var Retimer=0;
var rtimr=0;
$(document).ready(function() {
getData();
window.setInterval(function(){ getTime() },1000);
})
/*
function realSysTime(){
var now=new Date();
var year=now.getFullYear();
var month=now.getMonth();
var date=now.getDate();
var day=now.getDay();
var hour=now.getHours();
var minu=now.getMinutes();
var sec=now.getSeconds();
if(Number(sec)<10){
sec="0"+sec.toString();
}
month=month+1;
var arr_week=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var week=arr_week[day];
var time=year+"年"+month+"月"+date+"日 "+week+" "+hour+":"+minu+":"+sec; //组合系统时间
document.getElementById("time").innerHTML=time;
}
*/
function getData(){
$.ajax({
url : "http://localhost:14047/witchone.ashx",//请求地址
dataType : "json",//数据格式
type : "get",//请求方式
async : false,//是否异步请求
success : function(data) { //如何发送成功
console.log(data);
console.log(data["Title"]);
document.getElementById("ttt1").innerHTML=data["Title"];
var json = eval (data["Data"]);
console.log(json);
for(var i=0;i<json.length;i++){ //遍历data数组
var row=table.insertRow(table.rows.length);
var c1=row.insertCell(0);
c1.innerHTML=json[i].ID;
var c2=row.insertCell(1);
c2.innerHTML=json[i].Name;
var c3=row.insertCell(2);
c3.innerHTML=json[i].Age;
}
Retimer=data["RefreshTime"];
rtimr=Retimer;
},
})
}
function getTime(){
document.getElementById("countdown").innerHTML=Retimer;
Retimer=Retimer-1;
if(Retimer==-1)
{
getData();
Retimer= rtimr;
}
var now = new Date();
var year = now.getFullYear();
var month = now.getMonth() +1;
var day = now.getDate();
var hh = now.getHours();
var mm = now.getMinutes();
var ss = now.getSeconds();
var clock = year + "-";
if(month < 10)
clock += "0";
clock += month + "-";
if(day < 10)
clock += "0";
clock += day + " ";
if(hh < 10)
clock += "0";
clock += hh + ":";
if (mm < 10) clock += '0';
clock += mm + ":";
if (ss < 10) clock += '0';
clock += ss;
document.getElementById("time").innerHTML=clock;
}
</script>
<body>
<div class="header">
<span class="nowtime" id='time'></span>
<span class="tname" id='ttt1'></span>
<span class="endtime">倒计时
<span class="timecountdown" id='countdown'></span>
</span>
</div>
<div>
<table id='table' class="table table-bordered">
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Age</th>
</tr>
</thead>
</div>
</body>
</html>
.net ashx
public class witchone: IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
Dictionary<string, object> param = new Dictionary<string, object>();
string ret = "";
DataTable dt = new DataTable();//创建表
dt.Columns.Add("ID", typeof(Int32));//添加列
dt.Columns.Add("Name", typeof(String));
dt.Columns.Add("Age", typeof(Int32));
dt.Rows.Add(new object[] { 1, "张三", 20 });//添加行
dt.Rows.Add(new object[] { 2, "李四", 25 });
dt.Rows.Add(new object[] { 3, "王五", 30 });
string data = JsonConvert.SerializeObject(dt, new DataTableConverter());
param.Add("Title", "Witch One");
param.Add("RefreshTime", 5);
param.Add("NowTime", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
param.Add("Data", data);
ret = JsonConvert.SerializeObject(param);
context.Response.AddHeader("Access-Control-Allow-Origin", "*");
context.Response.ContentType = "text/html";
context.Response.Write(ret);
}
public bool IsReusable
{
get
{
return false;
}
}
}