jQuery读取数据

1、jQuery读取JSON

<!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>jquery读取JSON</title>
</head>
<script type="text/javascript" src="jquery-3.2.1.js"></script>
<script>
$(function(){
	$("#btn").click(function(){
		$.getJSON("JSON/UserInfo.json",function(data){
			var str="";
			$.each(data,function( i,field){
				$.each(	field,function(k,v){
					str+=k+":"+v+"<br/>"
					})
					str+="<br/>";
				})
				$("p").html(str);
			})
		})
	})
</script>
<body>
<div>
<div id="btn">
<input type="button" value="读取JSON数据"  id="btn"/>
</div>
<p></p>
</div>
</body>
</html>

2、jQuery加载XML文档

<!DOCTYPE html>
<html>
<head>
	<title>使用jQuery加载XML文档</title>
	<meta charset="utf-8">
	<script type="text/javascript" src="jquery-3.2.1.js"></script>
	<script type="text/javascript">
		$(function(){
			$("#getxml").click(function(){
				$.ajax({
					type:"get",
					url:"5-3.xml",
					dataType:"xml",
					timeout:1000,
					cache:false,//禁止缓存
					success:function(data){
						var frag=$("<ul/>");
						$(data).find("student").each(function(){
                         var name=$(this).children("name");
                         var sex=$(this).children("sex");
                         var email=$(this).children("email");
                         name_value=name.text();
                         sex_value=sex.text();
                         email_value=email.text();
                         frag.append("<li>姓名："+name_value+"性别："+sex_value+"邮箱："+email_value+"</li>");
						});
			          frag.appendTo("#load");
			          $("li").css("list-style-type","none");
					}
				});
			})
		})
	</script>
</head>
<body>
<input type="button" name="" id="getxml" value="加载xml">
<div id="load"></div>
</body>
</html>