import pymysql connection = pymysql.connect(host = 'localhost', user = 'root', db = 'student', charset = 'utf8', passwd = 'as123=as123') # 获取cursor,数据库执行对象 cursor = connection.cursor() #定义sql sql = 'select*from student' #执行sql语句 students = cursor.execute(sql) #通过fetchall获得所有的数据 result = cursor.fetchall() print(result) # 关闭链接 connection.close()