RPA手把手——Python 数据库篇 7 - MySQL 篇 3 - 增删改查 2

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Python RPA 数据库篇 7 - MySQL 篇 3 - 增删改查 2
pymysql 给更新据
代码
#!/usr/bin/env Python3

-- coding: utf-8 --

@Software: PyCharm

@virtualenv：workon

@contact: contact information

@Desc：Code descripton

author = ‘未昔/AngelFate’
date = ‘2019/8/29 20:35’

import pymysql

3.更新操作

db = pymysql.connect(host=“localhost”, user=“root”,
password="", db=“novel”, port=3306)

使用cursor()方法获取操作游标

cur = db.cursor()

sql_update = “update Test set t_name = ‘%s’ where id = %d”

try:
cur.execute(sql_update % (“更新小明明”, 4)) # 像sql语句传递参数
# 提交
db.commit()
except Exception as e:
# 错误回滚
db.rollback()
finally:
db.close()

结果