Most of the solutions on the Internet are as follows
- MySQL server stopped
- The user's port number or IP caused access to be denied
- MySQL configuration file error (my.ini and other files)
- Wrong password for root user
The solution this time is the port number direction
1. Open the Control Panel and select Security and Maintenance
2. Click Advanced Settings
3. Click Inbound Rules
4. Add your database port
look at the next step
You can visit after adding~
You can read this article about the open port of Alibaba Cloud server
How does the Alibaba Cloud server open the port number for access