mac 查询java 安装目录/usr/libexec/java_home -V
mac+jdk+jmeter:
https://www.cnblogs.com/panpanda/p/13149621.html
vim.bash_profile 编辑命令:
https://blog.csdn.net/star_of_science/article/details/104210642
查找mac 文件路径
https://jingyan.baidu.com/article/db55b609cd0dbd4ba30a2fcd.html
安装jdk
https://docs.oracle.com/javase/8/docs/technotes/guides/install/mac_jdk.html#CHDBADCG