pymysql操作mysql数据库
首先安装mysql
安装pymsql
#!/usr/bin/python3 # -*- coding:utf-8 -*- #python2操作数据库需要mysqldb #python3-------》pymsql import pymysql #创建数据库链接 dbcon=pymysql.connect(host='127.0.0.1',user='root',password='123123',port=3306) with dbcon: #创建游标 cur=dbcon.cursor() cur.execute('SELECT VERSION()') version = cur.fetchone() print("数据版本:", version) # 创建数据库,数据库名csdn cur.execute("create database IF NOT EXISTS CSDN;") cur.execute("use CSDN;") #创建表格Writers(如果不存在) cur.execute("CREATE TABLE IF NOT EXISTS Writers(Id INT PRIMARY KEY AUTO_INCREMENT,Name VARCHAR(25))") #插入数据 cur.execute("INSERT INTO Writers(Name) VALUES('Jack London')") cur.execute("INSERT INTO Writers(Name) VALUES('hONORE DE bALZAC')") # cur.execute("INSERT INTO Writers(Name) VALUES('Lion Feuchtwanger')") # cur.execute("INSERT INTO Writers(Name) VALUES('Emile Zola')") # cur.execute("INSERT INTO Writers(Name) VALUES('Truman Capote')") #删除 cur.execute("delete from Writers where Name = 'hONORE DE bALZAC'") #修改 cur.execute("update Writers set Name = 'Jack London2' where Name = 'Jack London'") #查询数据 cur.execute("select * from Writers") # 查询数据库多条数据 print("查询的数据库内容:") result = cur.fetchall() for data in result: print(data) cur.close()
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