获取桌面路径,通过系统的API函数获得当前用户的桌面地址（绝对路径），可以通过这可以操作桌面的文件或快捷方式.- The gain tabletop way, obtains the current user through the system API function the tabletop address (absolute way), may be allowed to operate the tabletop through this the document or the qu