/**
*Submitted for verification at BscScan.com on 2022-03-25
*/
// SPDX-License-Identifier: MIT
/**
TG: https://t.me/Myisland_Dao_Global
Twitter:https://twitter.com/myisland_dao?s=21
*/
pragma solidity ^0.8.4;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existen...
...onnect to database") // 打印这句话并不能表示数据库已经连上了
}
```
### 运行
```bash
Code/go/mysql_demo via 🐹 v1.20.3 via 🅒 base
➜ go mod tidy
go: finding module for package github.com/go-sql-driver/mysql
go: found github.com/go-sql-driver/mysql in github...