import pymysql
#创建连接
con = pymysql.connect(host='localhost',user='root',password='123456',port=3306,database='zhy')
#创建游标对象
cur = con.curson()
#编写查询的sql语句
sql = 'select * from t_student'
try:
cur.execute(sql)
print(查询成功)
students = cur.fetchall()
print(students)
except Exception as
