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怎的得到这个页面的验证码地址

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2016-06-13 12:36:54977browse

怎样得到这个页面的验证码地址
http://sichuan.gp2012.teacher.com.cn/GuoPeiAdmin/CourseStudy/StudyfrmNew.aspx?StudyPlanBookID=196
页面如上,有一个悬浮小窗口,“更新学习时间”中有一个输入验证码的框,框内有“点此获取”字样,点击会在框后出现验证码,但查看不了验证码地址。
我想知道验证码图片的地址,请各位大侠帮忙!不胜感激!

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