1.编辑.bash_profile输入入下文本,注意替换成你的路径
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_102.jdk/Contents/Home
export CATALINA_HOME=/usr/local/apache-tomcat-8.5.16
export PATH=$PATH:$CATALINA_HOME/bin
export SERVLET_JAR=$CATALINA_HOME/lib/servlet-api.jar
export JSP_JAR=$CATALINA_HOME/lib/jsp-api.jar
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$SERVLET_JAR:$JSP_JAR
export PATH=$JAVA_HOME/bin:$CLASSPATH:$PATH:
2.使.bash_profile文件设置生效，输入如下命令
source .bash_profile
