[08S01] Communications link failure The last packet sent successfully to the server was 0 milliseco

window环境

mysql// 找到该文件，打开找到bind-address 把127.0.0.1修改0.0.0.1 就解决了

linux环境

sudo vim /etc/mysql//

同上

还有一个拒绝访问参考同一系列另一篇博客