1. set bakupfolder=f:backup
备份文件存放于目录f:backup (此目录需要事先建好)
2. 默认每个数据库放置到bakupfolder下的同名的子目录（脚本自动创建）中；设置lay_in_subfolder=0后，将直接放置到bakupfolder
3. 备份文件名中自动添加备份时的时间字符串，不用担心备份目录下免费精选名字大全重复，也便于管理。
4. call :backupone foo
foo是需要备份的数据库，需要备份其它数据库，按同样的方式一行写一条即可
5. 命令行驱动备份操作：sqlcmd -u sa -p “sa” -s localhost -q “xxx”
这里连接数据库的用户名密码都是sa，请改成你的实际用户名密码。mssql密码中如果有一些特殊字符，可能报错，所以加上双引号。如果密码简单，不加也可以；不过sa密码，一般都是很变态的吧~~
复制代码 代码如下:
@echo on
set d=%date:~0,10%
set d=%d:-=%
set t=%time:~0,8%
set t=%t::=%
set stamp=%p%%d%%t%
set bakupfolder=f:backup
rem 1按子目录保存备份文件;0不按
set lay_in_subfolder=1
call :backupone foo
call :backupone foo2
call :backupone foo3
call :backupone foo4
goto :eof
@echo off
:backupone
setlocal
echo %1
set dbname=%1
if not exist %bakupfolder%%dbname% mkdir %bakupfolder%%dbname%
if %lay_in_subfolder%==1 (
set subfolder=%dbname%
)else set subfolder=
rem echo %bakupfolder%%subfolder%%dbname%%stamp%.bak
sqlcmd -u sa -p “sa” -s localhost -q “backup database %dbname% to disk=’%bakupfolder%%subfolder%%dbname%%stamp%.bak'”
“c:program fileswinrarrar.exe” a -ep1 -r -o+ -m5 -s -df “%bakupfolder%%subfolder%%dbname%%stamp%”.rar “%bakupfolder%%subfolder%%dbname%%stamp%.bak”
endlocal&goto :eof
set d=%date:~0,10%
set d=%d:-=%
set t=%time:~0,8%
set t=%t::=%
set stamp=%p%%d%%t%
set bakupfolder=f:backup
rem 1按子目录保存备份文件;0不按
set lay_in_subfolder=1
call :backupone foo
call :backupone foo2
call :backupone foo3
call :backupone foo4
goto :eof
@echo off
:backupone
setlocal
echo %1
set dbname=%1
if not exist %bakupfolder%%dbname% mkdir %bakupfolder%%dbname%
if %lay_in_subfolder%==1 (
set subfolder=%dbname%
)else set subfolder=
rem echo %bakupfolder%%subfolder%%dbname%%stamp%.bak
sqlcmd -u sa -p “sa” -s localhost -q “backup database %dbname% to disk=’%bakupfolder%%subfolder%%dbname%%stamp%.bak'”
“c:program fileswinrarrar.exe” a -ep1 -r -o+ -m5 -s -df “%bakupfolder%%subfolder%%dbname%%stamp%”.rar “%bakupfolder%%subfolder%%dbname%%stamp%.bak”
endlocal&goto :eof
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