用批处理实现文件备份器V2.3

echo           │            请输入备份任务的名称，然后回车确认。        │
echo           │                                                        │
echo           │        本程序将在"系统安装盘:Program Files备份       │
echo           │                                                        │
echo           │        任务程序"下生成"备份任务名称_backup.bat"        │
echo           │                                                        │
echo           │        和"备份任务名称_revert.bat"这一对备份及恢       │
echo           │                                                        │
echo           │        复批处理。如需更改此备份任务的部分功能，        │
echo           │                                                        │