Tomcat环境变量配置：
　　系统变量中新建
　　BASEDIR，路径为：Tomcat根目录，如D:Tomcat
　　其它与java jdk相关的引用路径可以查看文件binsetclasspath.bat
　　注意，java环境变量配置JAVA_HOME主要为了其它容器调用，JAVA_HOME的java jdk路径后边不带“;”  即不可分号结束。
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Tomcatin中setclasspath.bat文件
rem ---------------------------------------------------------------------------
rem Set CLASSPATH and Java options
rem
rem $Id: setclasspath.bat，v 1.6.2.1 2004/08/21 15:49:50 yoavs Exp $
rem ---------------------------------------------------------------------------
rem Make sure prerequisite environment variables are set
if not "%JAVA_HOME%" == "" goto gotJavaHome
echo The JAVA_HOME environment variable is not defined
echo This environment variable is needed to run this program
goto exit
:gotJavaHome
if not exist "%JAVA_HOME%injava.exe" goto noJavaHome
if not exist "%JAVA_HOME%injavaw.exe" goto noJavaHome
if not exist "%JAVA_HOME%injdb.exe" goto noJavaHome
if not exist "%JAVA_HOME%injavac.exe" goto noJavaHome
goto okJavaHome
:noJavaHome
echo The JAVA_HOME environment variable is not defined correctly
echo This environment variable is needed to run this program
echo NB: JAVA_HOME should point to a JDK not a JRE
goto exit
:okJavaHome
if not "%BASEDIR%" == "" goto gotBasedir
echo The BASEDIR environment variable is not defined
echo This environment variable is needed to run this program
goto exit
:gotBasedir
if exist "%BASEDIR%insetclasspath.bat" goto okBasedir
echo The BASEDIR environment variable is not defined correctly
echo This environment variable is needed to run this program
goto exit
:okBasedir
rem Set the default -Djava.endorsed.dirs argument
set JAVA_ENDORSED_DIRS=%BASEDIR%commonendorsed
rem Set standard CLASSPATH
rem Note that there are no quotes as we do not want to introduce random
rem quotes into the CLASSPATH
set CLASSPATH=%JAVA_HOME%lib ools.jar
rem Set standard command for invoking Java.
rem Note that NT requires a window name argument when using start.
rem Also note the quoting as JAVA_HOME may contain spaces.
set _RUNJAVA="%JAVA_HOME%injava"
set _RUNJAVAW="%JAVA_HOME%injavaw"
set _RUNJDB="%JAVA_HOME%injdb"
set _RUNJAVAC="%JAVA_HOME%injavac"
goto end
:exit
exit /b 1
:end