By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement . We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account @REM AUTHOR: JC0o0l,Jerrybird @REM description: java环境切换管理工具 @REM Repo: https://github.com/Chroblert/JC-jEnv.git @REM set JC_jEnv=JC_jEnv if "%1" == "local" ( echo [+] jenv local 别名 goto switch_local if "%1" == "global" ( echo [+] jenv global 别名 goto switch_global if "%1" == "add" ( echo [+] jenv add jdk_dir 别名 goto addjdk if "%1" == "del" ( echo [+] jenv del 别名 goto deljdk if "%1" == "version" ( goto version :usage echo ================================================ echo ^| JC-jEnv echo ^| Despt: windows Java环境管理工具 echo ^| Author: JC0o0l,Jerrybird echo ^| Repo: https://github.com/chroblert/JC-jEnv.git echo ================================================ echo. echo 使用说明 echo jenv [options] echo version echo - 显示当前所有的java版本 echo local 别名 echo - 设置java版本，只在当前shell下起作用 echo global 别名 echo - 设置java版本，在全局下都起作用 echo add 目录 别名 echo - add a version echo del 别名 echo - delete a version goto end :version if "%JC_jEnv" == "" ( echo 当前没有设置任何版本 goto usage @REM 枚举JC_jEnv环境变量中的值 echo. echo all version: set remain=%JC_jEnv% :loop for /f "delims=;, tokens=1*" %%i in ("%remain%") do ( @REM echo %%i call set value=%%%%i%% set var=%%i if /i "%value%" equ "%JAVA_HOME%" ( echo * %var% %value% ) else ( echo %var% %value% set remain=%%j @REM goto loop if defined remain goto :loop goto end @REM 导出配置到文件 :export goto end @REM 导入配置文件 :import goto end :switch_local @REM call refreshenv set Java_env=%2 @REM 多重变量嵌套 call set TMP_JAVAHOME=%%%Java_env%%% set java_path= if NOT "%2" == "" ( set java_path=%TMP_JAVAHOME%\bin if "%java_path%" == "" ( @REM 将(,)转义为^(,^) goto end set "path=%java_path%;%path%" set "JAVA_HOME=%TMP_JAVAHOME%" echo 已切换到%2 %java_path% @REM rem 设置别名 %SystemRoot%\system32\doskey %2=%JAVA_HOME%\bin\java.exe $* >null set java_path= set TMP_JAVAHOME= goto end :switch_global @REM call refreshenv set Java_env=%2 @REM 多重变量嵌套 call set TMP_JAVAHOME=%%%Java_env%%% set java_path= if "%2" == "" ( goto end set java_path=%TMP_JAVAHOME%\bin if "%java_path%" == "" ( goto end REM 设置java_home环境变量 reg delete HKCU\Environment /v JAVA_HOME /f >null echo .使用reg删除以前的JAVA_HOME %JAVA_HOME% reg add HKCU\Environment /v JAVA_HOME /t REG_SZ /d %TMP_JAVAHOME% /f >null echo .使用reg创建新的JAVA_HOME %TMP_JAVAHOME% setx JAVA_HOME %TMP_JAVAHOME% >null echo .使用setx更新JAVA_HOME @REM 更新本shell中path set "path=%java_path%;%path%" set "JAVA_HOME=%TMP_JAVAHOME%" @REM rem 设置别名 %SystemRoot%\system32\doskey %2=%JAVA_HOME%\bin\java.exe $* >null @REM echo "%path%" set java_path= set TMP_JAVAHOME= goto end :setpathusereg echo 使用注册表设置PATH环境变量 echo %~1 %~2 reg delete HKCU\Environment /v %~1 /f reg add HKCU\Environment /v %~1 /t REG_SZ /d "%~2" /f call refreshenv goto :EOF @REM reg add "HKLM\System\CurrentControlSet\Control\Session Manager\Environment" /v JAVA_HOME /t REG_SZ /d "%~1" /f :deljdk if NOT "%~2" == "" ( @REM 删除某个版本的jdk reg delete HKCU\Environment /v %~2 /f >null call set t_JC_jEnv=%%JC_jEnv:;%~2=%% call setx JC_jEnv %%t_JC_jEnv:%~2;=%% call set JC_jEnv=%%t_JC_jEnv:%~2;=%% set %~2= goto refreshenv :addjdk rem echo [+] jenv add jdk_dir 别名 if "%2" == "" goto end if "%2" == "" goto end set JDK_别名=%3 set JDK_DIR=%2 @REM 判断是否存在JDK_别名别名 call set t_temp=%%%JDK_别名%%% if NOT "%t_temp%" == "" ( echo %JDK_别名%已经存在 goto end rem 添加至用户环境变量中 %SystemRoot%\system32\setx %JDK_别名% %JDK_DIR% >null @REM echo/%SystemRoot%\system32\setx %JDK_别名% %JDK_DIR% >>f:/JC_jEnv.cmd echo "%JC_jEnv%"|%SystemRoot%\system32\findstr "%JDK_别名%" >nul set notexist=%errorlevel% @REM 环境变量JC_jEnv中已存在当前要添加JAVA_别名 if %notexist% == 0 ( echo 已设置过该版本的java goto end @REM 保存添加的环境变量到JC_jEnv中 if "%JC_jEnv%" == "" ( echo 用户环境变量中没有JC_jEnv %SystemRoot%\system32\setx JC_jEnv "%JDK_别名%" >null @REM echo/%SystemRoot%\system32\setx JC_jEnv "%JDK_别名%" >>f:/JC_jEnv.cmd ) else ( %SystemRoot%\system32\setx JC_jEnv "%JDK_别名%;%JC_jEnv%" >null @REM echo/%SystemRoot%\system32\setx JC_jEnv "%JDK_别名%;%JC_jEnv%" >>f:/JC_jEnv.cmd @REM rem 设置别名 %SystemRoot%\system32\doskey %JDK_别名%=%JDK_DIR%\bin\java.exe $* >null @REM echo/%SystemRoot%\system32\doskey %JDK_别名%=%JDK_DIR%\bin\java.exe $* >>f:/JC_jEnv.cmd echo 已为%JDK_DIR%\bin\java.exe设置别名%JDK_别名% @REM 清空定义的变量 @REM set JDK_别名= set JDK_DIR= @REM 刷新环境变量 goto refreshenv :refreshenv @echo off :: RefreshEnv.cmd :: Batch file to read environment variables from registry and :: set session variables to these values. :: With this batch file, there should be no need to reload command :: environment every time you want environment changes to propagate ::echo "RefreshEnv.cmd only works from cmd.exe, please install the Chocolatey Profile to take advantage of refreshenv from PowerShell" echo | set /p dummy="Refreshing environment variables from registry for cmd.exe. Please wait..." goto main :: Set one environment variable from registry key :SetFromReg "%WinDir%\System32\Reg" QUERY "%~1" /v "%~2" > "%TEMP%\_envset.tmp" 2>NUL for /f "usebackq skip=2 tokens=2,*" %%A IN ("%TEMP%\_envset.tmp") do ( echo/set "%~3=%%B" goto :EOF :: Get a list of environment variables from registry :GetRegEnv "%WinDir%\System32\Reg" QUERY "%~1" > "%TEMP%\_envget.tmp" for /f "usebackq skip=2" %%A IN ("%TEMP%\_envget.tmp") do ( if /I not "%%~A"=="Path" ( call :SetFromReg "%~1" "%%~A" "%%~A" goto :EOF :main echo/@echo off >"%TEMP%\_env.cmd" :: Slowly generating final file call :GetRegEnv "HKLM\System\CurrentControlSet\Control\Session Manager\Environment" >> "%TEMP%\_env.cmd" call :GetRegEnv "HKCU\Environment">>"%TEMP%\_env.cmd" >> "%TEMP%\_env.cmd" :: Special handling for PATH - mix both User and System call :SetFromReg "HKLM\System\CurrentControlSet\Control\Session Manager\Environment" Path Path_HKLM >> "%TEMP%\_env.cmd" call :SetFromReg "HKCU\Environment" Path Path_HKCU >> "%TEMP%\_env.cmd" :: Caution: do not insert space-chars before >> redirection sign echo/set "Path=%%Path_HKLM%%;%%Path_HKCU%%" >> "%TEMP%\_env.cmd" :: Cleanup del /f /q "%TEMP%\_envset.tmp" 2>nul del /f /q "%TEMP%\_envget.tmp" 2>nul :: capture user / architecture SET "OriginalUserName=%USERNAME%" SET "OriginalArchitecture=%PROCESSOR_ARCHITECTURE%" :: Set these variables call "%TEMP%\_env.cmd" :: Cleanup del /f /q "%TEMP%\_env.cmd" 2>nul :: reset user / architecture SET "USERNAME=%OriginalUserName%" SET "PROCESSOR_ARCHITECTURE=%OriginalArchitecture%" echo | set /p dummy="Finished." echo . goto :EOF echo. echo Done