window server 环境下mysql数据库备份、压缩bat脚本

@echo off
echo.
echo      MySQL数据库备份

echo *****************************
echo.
echo 今天是 %date%
echo 时间是 %time%
echo.
echo *****************************

set "Ym=%date:~,4%%date:~5,2%"
set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"

if exist D:\db_back\%Ym% (
echo 目录D:\db_back\%Ym%已存在，无需创建
) else (
rem 创建D:\db_back\%Ym%
echo 创建D:\db_back\%Ym%
md "D:\db_back\%Ym%"
)

if exist D:\db_back\%Ym%\%Ymd% (
echo 目录D:\db_back\%Ym%\%Ymd%已存在，无需创建
) else (
rem 创建D:\db_back\%Ym%\%Ymd%
echo 创建D:\db_back\%Ym%\%Ymd%
md "D:\db_back\%Ym%\%Ymd%"
)

cd\
D:
cd "D:\db_back\%Ym%\%Ymd%"

"C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqldump" --opt -Q -uroot -proot -h 127.0.0.1 --default-character-set=utf8 hkcdb2> "D:\db_back\%Ym%\%Ymd%\%Ymd%"_bak.sql"
"C:\Program Files\WinRAR\WinRAR.exe" a -r -s -ep1 -m1 D:\db_back\%Ym%\%Ymd%\%Ymd%_bak.zip D:\db_back\%Ym%\%Ymd%\%Ymd%_bak.sql
del D:\db_back\%Ym%\%Ymd%\%Ymd%"_bak.sql

echo.
echo MySQL数据库备份完成，请进行检查。。。
echo.
echo.

exit