mysql数据库在Python中的操作方法

from pymysql import connect


def check_data(cur):
sql = "select * from student;" # sql语句
cur.execute(sql) # 执行sql语句

# 获取查询的所有记录
result = cur.fetchall()
print(result)
for value in result:
print(value)


def insert_data(cur, conn):
sql = """insert into student value(0,"小美",1990-01-02,"女");"""
cur.execute(sql)
conn.commit() # python中默认开启事务,必须提交数据后才能完成修改



def main():

  # 链接数据库
  conn = connect(host="localhost", user="root", password="MySQL", db="python_1", port=3306)

  # 使用cursor获取游标对象
  cur = conn.cursor()

  # 查询数据库信息
  check_data(cur)

  # 插入数据操作
  insert_data(cur, conn)

  # 关闭游标对象
  cur.close()
  # 关闭链接
  conn.close()


if __name__ == "__main__":
  main()



删除和修改都还不多,只是对应的sql语句不一样。这里就不做赘述!

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转载自www.cnblogs.com/lzb888/p/11140960.html