Jdk(1.7) java -version Maven是否安装 mvn -v MySQL(5.7) mysql -uroot -p /Users/zhanzhanyunjiu/Documents/apache-tomcat-8 /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk /usr/local/mysql-5.7.19-macos10.12-x86_64 /Users/zhanzhanyunjiu/Documents/maven3.6.0 /Users/zhanzhanyunjiu/.m2/repository/org/eclipse/jetty/jetty-server/9.4.11.v20180605/jetty-server-9.4.11.v20180605.jar