利用DOS批处理文件实现oracle自动备份，具有动态创建备份目录功能-use of DOS batch file to achieve oracle automatic backup, has a dynamic function to create backup directories

oracle服务项启动选择为手动，可以节省系统资源，每次打开麻烦，用这个批处理文件可以轻松解决问题！-The oracle service items start to manual, you can save system resources every time you open the trouble with this batch file can easily solve the problem!