解决Mac无法访问localhost和127.0.0.1：
//启动服务apache服务器
sudo apachectl start
//失败的话，重启服务
sudo apachectl restart
巧用Druid数据源实现数据库连接密码的加密解密:
https://cloud.tencent.com/developer/article/1981172
https://blog.csdn.net/IndexMan/article/details/119699168
Spring Boot + Vue实现支付宝扫码支付（沙箱环境）:
https://blog.csdn.net/weixin_46178852/article/details/119390877
https://www.cnblogs.com/lincaomei/p/16120519.html
内网穿透：
https://natapp.cn