我查询资料，基本可有两种实现方式来解决，一种是 在 请求页中加入一个隐藏帧，并在隐藏帧内嵌入一个
想要跨域访问站点的页，这个就要求远程站点上要有可以提供给外部使用的页，通过此页来对本站的访问，
并通过隐藏帧技术将去回来的数据，获取到Parent页上。
第二种方法是在本地做一个远程的代理程序，Ajax想访问本站的代理程序，由代理程序去访问外部页信息 ，
如使用HttpClient或 WebClient进行远程的数据请求，然后反给前台显示。
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