使用操作系统提供的拷贝命令不能拷贝隐含或系统属性的文件，因为在拷贝过程中系统会提示“File not found”。下面的小程序可以解决这个问题。-Provided by the use of the operating system copy command can not copy hidden or system file attributes, as in the copy process will be prompted to " File not found" . The following small program can solve the problem.