收集本地计算机上最近浏览过的文件，然后上传到指定的email。 email发送是偷偷进行的，开始做这个软件只是为了从老师那里把考试题偷来，嘿嘿！-Collection of recent views on the local computer files, and then uploaded to the specified email. email sending is carried out secretly and started to do this software