从远程服务器下载文件至本地
从测试服务器复制日志文件到本地：scp user@ip:/data/app/xxx/logs/catalina.out /Users/lily/Desktop/test/logs/
https://blog.csdn.net/mengda_lei/article/details/84035735
https://www.cnblogs.com/YnLc/p/7380163.html
https://www.cnblogs.com/wx170119/p/10238686.html
https://www.runoob.com/linux/linux-comm-scp.html
https://blog.csdn.net/jiangkai_nju/article/details/7338177
原文：https://www.cnblogs.com/smart-lily/p/11295450.html