index.html
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> <title></title> <script src="js/mui.min.js"></script> <link href="css/mui.min.css" rel="stylesheet"/> <script type="text/javascript" charset="utf-8"> mui.init(); function postdata(){ document.getElementById("result").value = "ajax请求发送中……"; var input_name = document.getElementById("namevalue").value; // alert(input_name); mui.ajax({ url : 'http://127.0.0.1:8080/_ajax/ServerJson.php', type : 'post', headers: { 'Content-Type': 'application/json' }, data : { name : input_name }, timeout : 10000, success : function(data){ // console.log(data); var result = eval('('+ data +')'); //js原生方法解析json字符串为json对象 document.getElementById("result").value = result.name; }, error : function(xhr,type,errorThrown){ console.log(xhr); console.log(type); console.log(errorThrown); } }); } </script> </head> <body> 输入：<input type="text" id="namevalue"></input> <button id="btn" onclick="postdata()">发送ajax请求</button> <br /><br /> 结果：<input type="text" id="result" value="结果"></input> </body> </html>
phpjson.php
<?php if($_SERVER["CONTENT_TYPE"]=="application/json"){ $input = file_get_contents('php://input'); $name = $input; echo $name; }else{ echo "Post Data Error"; } ?>