把一下网址的最后的文件名去掉即可：
http://gotone.bj.chinamobile.com/res/61315/1.gif
http://gotone.bj.chinamobile.com/index/operation/vas/62005/baozang_2.jpg
http://gotone.bj.chinamobile.com/res/61317/baozang_3.jpg
http://gotone.bj.chinamobile.com/res/61354/baozang_4.jpg
http://gotone.bj.chinamobile.com/index/operation/vas/60038/baozang_5.jpg
http://gotone.bj.chinamobile.com/res/61320/baozang_6.jpg
http://passport.bj.chinamobile.com/res/61346/baozang_7.jpg
http://gotone.bj.chinamobile.com/res/61322/baozang_8.jpg
http://gotone.bj.chinamobile.com/res/61358/baozang_9.jpg