ajax加载本地xml文件出错 没有apache服务器啊 就是用网页来做的

心随风___跃动着

Failed to load resource: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access. file:///I:/%E7%94%9F%E7%89%A9%E6%B4%97%E6%B6%A4%E5%A1%94/xidi/resource/xml/materialType.xml
. c/ J& |4 g3 w9 B2 g0 K! HXMLHttpRequest cannot load file:///I:/%E7%94%9F%E7%89%A9%E6%B4%97%E6%B6%A4%E5%A1%94/xidi/resource/xml/materialType.xml. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access.

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求大神帮忙解决一下 急急~~~
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