第一步：安装pymysql库
pip3 install pymysql

第二步：在pycharm中配置pymysql

第三步：在项目代码中导入pymysql模块
import pymysql

第四步：创建连接

try:
    connect=pymysql.connect(
        host="localhost",
        port = 3306,
        user = "root",
        password = "123456",
        database = "test"
    )
    print("数据库连接成功")
except pymysql.Error as e:
    print("数据库连接失败"+str(e))
	```