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	<title>跨域 &#8211; LPC影子技术分享</title>
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		<title>jquery解决AJAX跨域问题</title>
		<link>https://www.mudbest.com/jquery%e8%a7%a3%e5%86%b3ajax%e8%b7%a8%e5%9f%9f%e9%97%ae%e9%a2%98/</link>
					<comments>https://www.mudbest.com/jquery%e8%a7%a3%e5%86%b3ajax%e8%b7%a8%e5%9f%9f%e9%97%ae%e9%a2%98/#comments</comments>
		
		<dc:creator><![CDATA[hkshadow]]></dc:creator>
		<pubDate>Fri, 23 Nov 2012 08:04:55 +0000</pubDate>
				<category><![CDATA[Ajax]]></category>
		<category><![CDATA[JQuery]]></category>
		<category><![CDATA[jquery]]></category>
		<category><![CDATA[json]]></category>
		<category><![CDATA[跨域]]></category>
		<guid isPermaLink="false">http://www.mudbest.com/?p=1706</guid>

					<description><![CDATA[以PHP服务端为例。 页面ajax.php 页面index.html]]></description>
										<content:encoded><![CDATA[<p>以PHP服务端为例。</p>
<p>页面ajax.php</p>
<pre class="brush: php; title: ; notranslate">
&lt;?php
//首先定义一个全局变量用于AJAX跨域返回值获取
$strJsonCallBack = $_REQUEST&#x5B;&quot;jsoncallback&quot;];
//定义一个测试数组
array&#x5B;'data'] = array('测试','再测试');
//再将数组进行JSON格式化，并在最前面加上刚刚定义的AJAX跨域返回值的标示
echo $strJsonCallBack.&quot;(&quot;.json_encode(array&#x5B;'data']).&quot;)&quot;;
exit;
?&gt;
</pre>
<p><span id="more-1706"></span><br />
页面index.html</p>
<pre class="brush: xml; title: ; notranslate">
&lt;!--引入Jquery--&gt;
&lt;script src=&quot;http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js&quot;&gt;&lt;/script&gt;
&lt;script type=&quot;text/javascript&quot; language=&quot;javascript&quot;&gt;
//访问JSON服务端返回值
var url = 'http://www.mudbest.com/ajax.php'; 
//&amp;jsoncallback用于跨域获取的标示
$.getJSON(url+'&amp;jsoncallback=?', {},function(data){
        //获取返回的JSON字符串
        data = data.data;
  }
);
&lt;/script&gt;
</pre>
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