Received an invalid response. Origin 'null' is therefore not allowed access

Received an invalid response. Origin 'null' is therefore not allowed access.

今天在做二级联动，使用ajax请求xml数据，在用ie8与chrome做测试时就出现了这句话，看到网上也有说跨域等其他，更改浏览器等......

我的解决方法：我把它放在iis服务器进行测试，请求数据就正常了！