获取服务器数据JSON.parse()
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>获取服务器数据JSON.parse()</title>
</head>
<body>
<button>获取服务器数据</button>
<h3></h3>
<script>
var btn=document.getElementsByTagName('button').item(0);
var request=new XMLHttpRequest();
btn.addEventListener('click',getData,false);
function getData() {
request.addEventListener('readystatechange',show,false);
request.open('get','admin/demo1.php',true);
request.send(null);
}
function show() {
if(request.readyState===4){
var h3=document.getElementsByTagName('h3').item(0);
var obj=JSON.parse(request.responseText);
console.log(obj);
h3.innerHTML=obj.name+'单价：'+obj.price+'数量：'+obj.count+'特征：'+obj.feature.color+'朋友：'+obj.friend[2];
h3.style.color='red';
}
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<?php
$json='{
"name":"小苹果",
"id":110,
"price":"8元",
"count":"10斤",
"feature":{
"color":"red",
"size":"big"
},
"friend":["梨","桃","香蕉","西瓜","橘子"]
}';
echo $json;点击 "运行实例" 按钮查看在线实例
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