基于PHP的JSON

不管怎么说，还是得感谢慕课网，提供了很多免费的视频教学。

学习自： https://www.imooc.com/view/68

前端页面：

<!DOCTYPE html>
<html>
    <head>
        <title>第二个练习</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width">
        <script src="jquery-1.8.3.min.js"></script>
        <script>
            $("document").ready(function(){
                var url = 'ser2.php';
                var data={'do':'first'};
                
　　　　　　　　　　// getJSON() 方法使用 AJAX 的 HTTP GET 请求获取 JSON 数据。
                $.getJSON(url,data,function(res){
                    $("#username").val(res.username);
                    $("#password").val(res.password);
                });
                
                var data={'do':'second'};
                
                $.getJSON(url,data,function(res){
                    $("#members").val(res[1].username + '\n' + res[2].username + '\n' +  res.three.members.username);
                });
                
                var data={'do':'third'};                
                $.getJSON(url,data,function(res){
                    $("#address").val(res.address['2'].address + '\n' + res.address.three.members.username);
                });
            });
        </script>
        
    </head>
    <body>
        <h2>一维数组练习</h2>
        <input type="text" name="username" id="username" /><br />
        <input type="text" name="password" id="password" /><br />
        
        <h2>多维数组练习(一组会员信息)</h2>
        <textarea id="members" style="width:200px;height:60px"></textarea>
        
        <h2>对象实战(一组地址信息)</h2>
        <textarea id="address" style="width:300px;height:60px"></textarea>
        
    </body>
</html>

后端页面：

<?php

$member['username'] = 'alex';
$member['password'] = '123456';
$do = $_REQUEST['do'];

$members['1']['username'] = 'Thanos';
$members['1']['password'] = 'wuxianshoutao';
$members['2']['username'] = '雷神';
$members['2']['password'] = 'thor';
$members['2']['address'] = 'arsjade';
$members['three']['members']['username'] = '这是该死的第三个';

class addressClass{
    public $address=array();
    
    public function setAddress($array){
        $this->address = $array;
    }
    
    public function getAddress(){
        return $this->address;
    }
}

$addressObj = new addressClass();
$addressObj->setAddress($members);

switch($do){
    case 'first':
        echo json_encode($member);
        break;
    
    case 'second':
        echo json_encode($members);
        break;
        
    case 'third':
        echo json_encode($addressObj);
        break;
        
    default:
        break;
}

不得不补的小知识，也得花点时间。

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