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php利用json数据实现跨域操作实例

Jun 13, 2016 am 11:26 AM
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本文章简单的介绍了关于如何利用php利用json数据实现跨域操作实例,有需要的同学可以参考一下下哈。

:某网站后台用php脚本得到一个JSON格式的数据,交给前台javascript进行处理,使用JSON实现数据的跨域调用

后台profile.php代码:

 代码如下 复制代码
$arr = array( 
    'firstname' => iconv('gb2312', 'utf-8', '非诚'), 
    'lastname' => iconv('gb2312', 'utf-8', '勿扰'), 
    'contact' => array( 
        'email' =>'fcwr@hzhuti.com', 
        'website' =>'http://www.hzhuti.com', 
    ) 
); 
//将一个数组JSON
$json_string = json_encode($arr);
//此处注意,双引号能对里面的变量当变量进行处理,单引号则不会
echo "getProfile($json_string)";
?>

需要指出的是,在非UTF-8编码下,中文字符将不可被encode,结果会出来空值,所以,如果你使用 gb2312编写PHP代码,那么就需要将包含中文的内容使用iconv或者mb转为UTF-8再进行json_encode。

前台index.html代码:

 代码如下 复制代码






将JSON格式的数据直接赋值给javascript中的变量,就变成数组了,接下来操作起来就会非常的方便,此处如果使用XML做为数据传输,后续操作就不方便喽。

很显然,当index.html调用profile.php时,JSON字符串生成,并作为参数传入getProfile,然后将昵称插入到div 中,这样一次跨域数据交互就完成了

调用index.html


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