<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function ajax(method, url, date,success){
var xhr = null;
try{
xhr = new XMLHttpRequest();
}catch(e){
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}
if(method == 'get' && date){
url += '?'+date;
}
xhr.open(method,url,true);
if(method == 'get'){
xhr.send();
}else{
xhr.setRequestHeader('content-type','application/x-www-form-urlencoded');
xhr.send(date);
}
xhr.onreadystatechange = function(){
if(xhr.readyState == 4){
if(xhr.status == 200){
success && success(xhr.responseText);
}else{
alert('出错了'+xhr.status);
}
}
}
}
window.onload = function(){
var btn = document.getElementById('btn');
btn.onclick = function(){
ajax('get', 'getNews.php', '',function(date){
var date = JSON.parse(date);
var oUl = document.getElementById('list');
var value = '';
for(var i=0;i<date.length;i++){
value += '<li><a href="#">'+date[i].title+'</a> <span>'+date[i].date+'</span></li>'
}
oUl.innerHTML = value;
});
var timer = null;
clearInterval(timer);
timer = setInterval(function(){
ajax('get','getNews.php','',function(date){
var date = JSON.parse(date);
var oUl = document.getElementById('list');
var value = '';
for(var i=0;i<date.length;i++){
value += '<li><a href="#">'+date[i].title+'</a> <span>'+date[i].date+'</span></li>'
}
oUl.innerHTML = value;
});
},3000);
};
};
</script>
</head>
<body>
<input type="button" value="按钮" id="btn"/>
<ul id="list"></ul>
</body>
</html>
<?php
header('content-type:text/html; charset="utf-8"');
error_reporting(0);
$news = array(
array('title'=>'12121212121牌','date'=>'2018-6-8'),
array('title'=>'美又打2000亿关税牌','date'=>'2018-6-1'),
array('title'=>'北京平均可月省约150','date'=>'2018-6-2'),
array('title'=>'个税起征点提至5000','date'=>'2018-6-3'),
array('title'=>'美又打2000亿关税','date'=>'2018-6-4'),
array('title'=>'哥伦比亚vs日本:J罗','date'=>'2018-6-5'),
array('title'=>'北京时间"一粽浓情"活动结束','date'=>'2018-6-6'),
);
echo json_encode($news);
