windows下多版本JDK切换

@echo off

rem — Base Config —

:init

set JAVA_HOME_1_8=D:\Program Files\java\jdk1.8.0_66

set JAVA_HOME_1_7=D:\Program Files (x86)\Java\jdk1.7.0_60

set JAVA_HOME_1_6=D:\Program Files\java\jdk1.6.0_31_64

set RefreshEnv=D:\JdkSwitch\switchVersion\RefreshEnv.exe

:start

echo 当前JDK 版本:

java -version

ping 127.0.0.1 -n 2 -w 1000 > nul

echo.

echo =============================================

echo 本机JDK版本列表

echo 1.8

echo 1.7

echo 1.6

echo =============================================

:select

set /p opt=请选择JDK版本：

if %opt%==1.8 (

set TARGET_JAVA_HOME=%JAVA_HOME_1_8%

)

if %opt%==1.7 (

set TARGET_JAVA_HOME=%JAVA_HOME_1_7%

)

if %opt%==1.6 (

set TARGET_JAVA_HOME=%JAVA_HOME_1_6%

)

echo 当前选择的Java路径:%TARGET_JAVA_HOME%

wmic ENVIRONMENT where “name=’JAVA_HOME'” delete

wmic ENVIRONMENT create name=”JAVA_HOME”,username=”“,VariableValue=”%TARGET_JAVA_HOME%”

rem — refresh env —

call %RefreshEnv%

echo 请按任意键退出!

pause>nul

@echo on

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