51 lines
1.2 KiB
Batchfile
51 lines
1.2 KiB
Batchfile
:: 检查java安装环境
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@echo off
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:: 设置全局错误码
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set /A errorcode=0
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:: 开启扩展功能
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setlocal ENABLEEXTENSIONS
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setlocal ENABLEDELAYEDEXPANSION
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::通过向临时文件写内容，判断是否有文件读写权限
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echo > tmp
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if exist tmp (
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del /F/Q tmp >nul 2>&1
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) else (
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echo Please switch to an administrator account to run this batch!!!
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set /A errorcode=1
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goto:END
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)
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::判断JAVA_HOME是否被定义
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if "%JAVA_HOME%"=="" (
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echo JAVA_HOME not set. Please make sure that java is correctly installed.
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set /A errorcode=2
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goto:END
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)
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:: 判断CLASSPATH是否被定义
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if "%CLASSPATH%"=="" (
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echo CLASSPATH not set. Please make sure that java is correctly installed.
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set /A errorcode=3
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goto:END
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)
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:: 判断java版本是否比 1.7.0高，需先将版本信息重定向到文件中，再对文件内容进行分析
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java -version >nul 2> JavaVer.tmp
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for /F "tokens=1,2,3*" %%i in (JavaVer.tmp) do (
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if "%%j" == "version" (
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if %%k LSS "1.7.0" (
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echo Java version is less than "1.7.0", warnings or errors may occur.
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)
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)
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)
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del /F/Q JavaVer.tmp >nul 2>&1
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:END
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::返回错误码
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exit /B %errorcode%
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