mysql批处理 备份数据库-压缩文件

批处理备份数据库，并压缩备份后的文件， 但是还是不能定时备份

@echo off 
　rem
　　rem C:\Program Files\WinRAR 需要放到 path 下，才能调用rar cli工具
　　rem
　　rem 跳转到工作目录下

set dump_command="C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqldump" 

set dbname=databasename

set backup_dir=F:\bak\
set timestamp=%date:~,4%%date:~5,2%%date:~8,2%_%time:~0,2%-%time:~3,2%-%time:~6,2% 

set backup_fz_file="%backup_dir%\%dbname%_backup_%timestamp%.sql" 
set BAK_FILE="%backup_dir%\%dbname%_backup_%timestamp%.rar" 

set user_mysql=root
set password_mysql=root

echo backup mysql database:%dbname% 
%dump_command% --opt %dbname% -h 127.0.0.1 -P 3306 -u%user_mysql%   -p%password_mysql% --default-character-set=gbk >%backup_fz_file%

rem 压缩备份文件
　　rar a %BAK_FILE% %backup_fz_file%
　　rem 删除源文件
　　del /F %backup_fz_file%

echo end backup