使用命令行备份指定文件夹并保留最新N份

 1 ::  用于备份网站文件
 2 rem ***********************需要配置***********************************
 3 rem 设置需要备份目录
 4 set sourcePath=D:\esa_app\ekp-j\ekp
 5 
 6 rem 存放压缩文件远程服务器地址、用户名和密码
 7 set remoteServerPath=10.164.117.75
 8 set remoteUserName=administrator
 9 set remotePassword=admin12345!
10 
11 rem 远程服务器存放备份文件目录
12 set remoteTargetPath=d$\ekp_back
13 
14 rem 压缩程序路径
15 set rarProgExePath="C:\Program Files (x86)\WinRAR\RAR.exe"
16 rem ****************************************************************
17 
18 rem 临时备份目录存放目录
19 set workRootPath=D:\$$TEMP_EKP_BACK
20 
21 rem 备份保留份数
22 rem set backupNumber=30
23 set backupNumber=5
24 
25 rem 形成备份文件名称和存放路径
26 set workFileName=ekp%date:~0,4%%date:~5,2%%date:~8,2%
27 set backWorkPath=%workRootPath%\%workFileName%
28 set strBatCurrPath=%cd%
29 
30 rem 创建备份工作目录
31 if not exist %workRootPath% md /s /q %workRootPath%
32 if exist %backWorkPath% rmdir /s /q %backWorkPath%
33 md %backWorkPath%
34 
35 rem 把源文件拷贝到工作目录中
36 xcopy %sourcePath% %backWorkPath% /s /e /h /y >%workRootPath%\log_backup_ekp%date:~0,4%%date:~5,2%%date:~8,2%.log
37 
38 rem 压缩文件
39 cd/d "%backWorkPath%\"
40 %rarProgExePath% -y a "%backWorkPath%.rar" -r *
41 
42 rem 把压缩文件传送到远程服务器进行备份
43 net use \\%remoteServerPath% %remotePassword%/user:%remoteUserName%
44 xcopy /y "%backWorkPath%.rar" \\%remoteServerPath%\%remoteTargetPath%
45 
46 rem 在远程服务器保留最新文件，份数按照设置进行保留
47 for /f "skip=%backupNumber% delims=" %%i in (‘dir /s /b /o-d \\%remoteServerPath%\%remoteTargetPath%\*.rar‘) do  del /f /q "%%i" 
48 
49 rem 删除工作目录和压缩文件
50 cd/
51 rmdir /s /q %backWorkPath%
52 del /f /q "%backWorkPath%.rar"