Get json data from php and use js to read and display it to web notes
php code
<?php
//json与数组转换
$array = array("username" => "hellojson","age" => 23,"sex"=>"M");//定义php数组
$res=json_encode($array);
//var_dump($res);
echo $res;//将结果输出到页面
?>
HTML代码
<html>
<head>
<title></title>
<script src="jquery-1.11.0.min.js"></script>
</head>
<body>
<script type="text/javascript">
$(function(){
$(document).on("click",'.test',function(){
var id=$(this).attr("id");
var data={id:id}
//var aaa=[{"0":"1","id":"1","1":"hello","name":"hello","2":"","password":""},{"0":"2","id":"2","1"
// :"world","name":"world","2":"","password":""},{"0":"3","id":"3","1":"helloworld","name":"helloworld"
// ,"2":"","password":""}]
// alert(aaa[2].name)
$.ajax({
type:"GET",
data:data,
url:'xml.php',
dataType:"json",
success:function(msg){
if(msg){
var res=eval(msg);//在php中返回的数据如果不能直接使用可以转换一下，使用eval（）函数可以实现转化。
//alert(res.username)
alert(res[1].name)//弹出要取的数据
//console.log(res)
}
}
});
})
})
</script>
<div class="test" id="1">
<input type="button" value="button">
</div>
<div class="getmsg">
</div>
</body>
</html>Copy after login
In native js, you can also use the JSON.parse() function to convert to json format. In php, it has been converted to json format and can be obtained directly
alert(msg[0].name)//msg is the returned json format
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