windows下用bat脚本定时备份mysql

   1:  rem 

   2:  rem C:\Program Files\WinRAR 需要放到 path 下，才能调用rar cli工具 

   3:  rem 

   4:  rem 跳转到工作目录下 

   5:  f: 

   6:  cd f:\DBBAK 

   7:  rem 设置变量：备份文件名 

   8:  SET BAK_FILE=MY_DBBAK_%date:~0,-4%.sql 

   9:  rem 设置变量：日志文件名 

  10:  SET LOG_FILE=MY_DBBAK.log 

  11:  rem 记录日志 

  12:  echo "%date%" >> %LOG_FILE% 

  13:  rem 开始做备份 

  14:  mysqldump --default-character-set=utf8 -hlocalhost -uroot -R --triggers --single-transaction -B mydb > %BAK_FILE% 

  15:  rem 压缩备份文件 

  16:  rar a %BAK_FILE%.rar %BAK_FILE% 

  17:  rem 删除源文件 

  18:  del /F %BAK_FILE% 

  19:  echo "%date%" >> %LOG_FILE% 

  20:  echo "" >> %LOG_FILE%