mysql在WIN下的备份BAT
    @echo off
set errorlevel=0 
set dump_command="C:\Program Files\MySQL\MySQL Server 5.5\bin\mysqldump" 
set db_bbs=bbscs8 
set db_bug=jtrac 
set db_wiki=wiki 
set backup_dir=U:\bak\mysql\ 
set timestamp=%date:~,4%%date:~5,2%%date:~8,2%_%time:~0,2%-%time:~3,2%-%time:~6,2% 
set backup_bbs_file=%backup_dir%%db_bbs%_backup_%timestamp%.sql 
set backup_bug_file=%backup_dir%%db_bug%_backup_%timestamp%.sql 
set backup_wiki_file=%backup_dir%%db_wiki%_backup_%timestamp%.sql 
set user_mysql=root 
set password_mysql=virtual 
echo backup mysql database:%db_bbs% 
%dump_command% -u%user_mysql% -p%password_mysql% %db_bbs% > %backup_bbs_file% 
echo backup mysql database:%db_bug% 
%dump_command% -u%user_mysql% -p%password_mysql% %db_bug% > %backup_bug_file% 
echo backup mysql database:%db_wiki% 
%dump_command% -u%user_mysql% -p%password_mysql% %db_wiki% > %backup_wiki_file% 
echo end backup