ajax原理与使用(ajax)2019年10月29日

2019年10月30日 08:42:29阅读数:631博客 / 渊的博客 / JQuery

1、post提交

ajax.php

实例

<?php
$admin=array('uid'=>3,'username'=>'admin');
$admin['realname']=$_POST['realname'];
$admin['location']=$_POST['location'];
exit(json_encode($admin));

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index.html

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>Post提交</title>
    <script type="text/javascript" src="jquery-3.4.1.min.js"></script>
</head>
<body>
<button onclick="insert_content()">插入内容</button>

</body>
</html>
<script>
    function insert_content(){
        $.post('./ajax.php',{realname:'曹渊',location:'shanghai'},function(data){
            console.log(data);
            console.log(data.username);
            console.log(data.uid);
            console.log(data.realname);
            console.log(data.location);
        },'json');
    }

</script>

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post.png


2、ajax提交

实例

<?php
$admin=array('uid'=>3,'username'=>'admin');
$admin['realname']=$_POST['realname'];
$admin['location']=$_POST['location'];
exit(json_encode($admin));

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demo.html

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>Post提交</title>
    <script type="text/javascript" src="jquery-3.4.1.min.js"></script>
</head>
<body>
<button onclick="insert_content()">插入内容</button>

</body>
</html>
<script>
    function insert_content(){
        $.ajax({
            type:'POST',
            url:'./ajax.php',
            data:'realname=yuan&location=shanghai',
            success:function(msg){
                // alert('Data Saved:'+msg);
                console.log(msg);
            },
            error:function(request,status,msg){
                console.log(request);
                console.log(status);
                console.log(msg);

            }
        });
    }

</script>

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实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>Post提交</title>
    <script type="text/javascript" src="jquery-3.4.1.min.js"></script>
</head>
<body>
<button onclick="insert_content()">插入内容</button>

</body>
</html>
<script>
    function insert_content(){
        $.ajax({
            type:'POST',
            url:'./ajax.php',
            data:'realname=yuan&location=shanghai',
            success:function(msg){
                // alert('Data Saved:'+msg);
                console.log(msg);
            },
            error:function(request,status,msg){
                console.log(request);
                console.log(status);
                console.log(msg);

            }
        });
    }

</script>

运行实例 »

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ajax.png

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