@echo off title mysql ::从注册表找到mysql的安装路径写入文件mysql.txt reg query hklmsystemcontrolset001servicesmysql | find /i "imagepath"c:mysql.txt if %errorlevel% neq 0 ( echo mysql not found pause exit ) ::以”为分隔符，截取第二段
@echo off title mysql ::从注册表找到mysql的安装路径写入文件mysql.txt reg query hklmsystemcontrolset001servicesmysql | find /i "imagepath">c:mysql.txt if %errorlevel% neq 0 ( echo mysql not found pause exit ) ::以”为分隔符，截取第二段内容保存到变量mysqlpath for /f tokens^=2^ delims^=^" %%i in (c:mysql.txt) do set mysqlpath=%%i del c:mysql.txt /f ::路径中/替换为 set mysqlpath=%mysqlpath:/=% ::删除路径最后一个字符（该字符不可见，可能是回车换行之类的） set mysqlpath=%mysqlpath:~0,-1% :backtomain ::取得路径最后一个字符看等不等于 set character=%mysqlpath:~-1,1% ::如果最后一个字符不等于，那么跳转到getpath删除mysqlpath的最后一个字符 if not %character% == goto getpath ::进入mysql安装路径c:program filesmysqlmysql server 5.0bin cd /d "%mysqlpath%" ::echo %mysqlpath% if %errorlevel% neq 0 ( echo mysql not found pause exit ) ::禁用mysql服务，跳过权限验证修改密码 taskkill /f /im mysqld-nt.exe net stop mysql >nul start /b mysqld-nt --skip-grant-tables ping -n 2 127.0.0.1 >nul echo use mysql >c:config.tmp echo update user set password=password("") where user="root";>>c:config.tmp echo flush privileges; >>c:config.tmp echo exit >>c:config.tmp ::因为是交互式，所以从文件读取内容 mysql nul net start mysql del c:config.tmp /f pause exit ::删除路径最后一个字符，跳回主程序 :getpath set mysqlpath=%mysqlpath:~0,-1% goto backtomain
如果是用wamp一键安装需要改一些脚本，主要是注册表搜索路径改变，返回值改变，服务名改变了，mysql安装路径变成d:wampbinmysqlmysql5.5.24bin，少了mysqld-nt这个东西，进程里面也没有mysqld-nt.exe
@echo off title mysql reg query hklmsystemcontrolset001serviceswampmysqld | find /i "imagepath">c:mysql.txt if %errorlevel% neq 0 ( echo mysql not found pause exit ) for /f "tokens=3 delims= " %%i in (c:mysql.txt) do set mysqlpath=%%i del c:mysql.txt /f set mysqlpath=%mysqlpath:/=% set mysqlpath=%mysqlpath:~0,-1% :backtomain set character=%mysqlpath:~-1,1% if not %character% == goto getpath cd /d "%mysqlpath%" ::echo %mysqlpath% if %errorlevel% neq 0 ( echo mysql not found pause exit ) taskkill /f /im mysqld.exe net stop wampmysqld >nul start /b mysqld -nt --skip-grant-tables ping -n 2 127.0.0.1 >nul echo use mysql >c:config.tmp echo update user set password=password("") where user="root";>>c:config.tmp echo flush privileges; >>c:config.tmp echo exit >>c:config.tmp mysql nul net start wampmysqld del c:config.tmp /f pause exit :getpath set mysqlpath=%mysqlpath:~0,-1% goto backtomain