直接分析盗链原理:看下面用httpwatch截获的http发送的数据 GET /Img.ashx?img=svn_work.gif HTTP/1.1 Accept: */* Referer: //www.jb51.net/ Accept-Language: zh-cn UA-CPU: x86 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.6