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ajax对xml和json语言的解析

2016-08-29 19:22 330 查看

xml数据格式解析(Demo=data.xml)

<?xml version="1.0" encoding="utf-8"?>
<bookstore>
<book>
<name>三国演义</name>
<category>文学</category>
<desc>描述</desc>
</book>
<book>
<name>红楼梦</name>
<category>文学</category>
<desc>宝哥哥与林妹妹的爱情史</desc>
</book>
</bookstore>

ajax数据解析(Demo =xml.html)

<script type="text/javascript">
window.onload = function(){//文档加载
var btn = document.getElementById('btn');
btn.onclick = function(){
showBookInfo();
}
function showBookInfo(){
document.getElementById('bookInfo').innerHTML = '';
var xhr = null;
if(window.XMLHttpRequest){
xhr = new XMLHttpRequest();//创建xml对象
}else{
xhr = new ActiveXObject('Microsoft.XMLHTTP');//常见IE5,6自己的ActiveXObject对象
}
console.log('第一步'+xhr.readyState);
xhr.open('get','./data.xml');
console.log('第二步'+xhr.readyState);
xhr.send(null);
xhr.onreadystatechange = function(){
if(xhr.readyState == 4 && xhr.status == 200){
var data = xhr.responseXML;
var bs = data.getElementsByTagName('bookstore')[0];
console.log(bs);
var books = bs.getElementsByTagName('book');
var tag = '';
for(var i=0;i<books.length;i++){
var book = books[i];
var name = book.getElementsByTagName('name')[0];
var category = book.getElementsByTagName('category')[0];
var desc = book.getElementsByTagName('desc')[0];
tag += '<tr><td>'+getNodeText(name)+'</td><td>'+getNodeText(category)+'</td><td>'+getNodeText(desc)+'</td></tr>';
}
var tbody = document.createElement('tbody');
tbody.innerHTML = tag;
document.getElementById('bookInfo').appendChild(tbody);
}
}
}
}
//获取文本节点内容
function getNodeText(node){
if(window.ActiveXObject){//IE
return node.text;
}else{//标准浏览器
if(node.nodeType == 1){
return node.textContent;
}
}
}
</script>
</head>
<body>
<input type="button" value="点击" id="btn">
<div>
<table id="bookInfo">

</table>
</div>
</body>

json数据格式解析(Demo=data.json)

{
"total":"4",
"data":[
{
"name":"三国演义",
"category":"文学",
"desc":"一个军阀混战的年代"
},{
"name":"红楼梦",
"category":"文学",
"desc":"一个封建王朝的缩影"
}
],
"obj":{"adf":"adf"}
}

ajax数据解析(Demo =json.html)

<script type="text/javascript">
window.onload = function(){
var btn = document.getElementById('btn');
btn.onclick = function(){
showBookInfo();
}
function showBookInfo(){
var xhr = null;
if(window.XMLHttpRequest){
xhr = new XMLHttpRequest();
}else{
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}
xhr.open('get','./data.json');
xhr.onreadystatechange = function(){
if(xhr.readyState == 4 && xhr.status == 200){
var data = JSON.parse(xhr.responseText);
console.log(data);
var total = data.total;
var list = data.data;
var tag = '';
for(var i=0;i<total;i++){
var book = list[i];
tag += '<tr><td>'+book.name+'</td><td>'+book.category+'</td><td>'+book.desc+'</td></tr>';
}
var tbody = document.createElement('tbody');
tbody.innerHTML = tag;
document.getElementById('bookInfo').appendChild(tbody);
}
}
xhr.send(null);
}
}
</script>
</head>
<body>
<input type="button" value="点击" id="btn">
<div>
<table id="bookInfo">

</table>
</div>
</body>

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