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原文链接：http://www.cnblogs.com/russelljing/archive/2012/11/24/2786493.html下面是他的问题。 I have a web robot which is a Java app. I need to be able to set theUser-Agent field in the HTTP header in order to be a good net citizen (sopeople know who is accessing their server). Anyone have any ideas? Right now, Java sends a request that includes something like: User-Agent: Java/1.0beta2 Id rather...