yum install -y --downloaddir=./ java
http://mirror.bit.edu.cn/apache/tomcat/tomcat-9/v9.0.31/bin/apache-tomcat-9.0.31.tar.gz
tar -xf apache-tomcat-9.0.31.tar.gz
cd apache-tomcat-9.0.31
tomcat
原文：https://www.cnblogs.com/Leaders543/p/12510674.html
