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python3.x 使用pymysql操作mysql，python2.x使用mysqldb操作mysql
#!/usr/bin/python3import pymysqlimport typesdb=pymysql.connect("localhost","root","123456","python");cursor=db.cursor()#创建user表cursor.execute("drop table if exists user")sql="""CREATE TABLE IF NOT EXISTS `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=0"""cursor.execute(sql)#user插入数据sql="""INSERT INTO `user` (`name`, `age`) VALUES('test1', 1),('test2', 2),('test3', 3),('test4', 4),('test5', 5),('test6', 6);"""try: # 执行sql语句 cursor.execute(sql) # 提交到数据库执行 db.commit()except: # 如果发生错误则回滚 db.rollback() #更新id=1sql="update user set age=100 where id='%s'" % (id)try: cursor.execute(sql) db.commit()except: db.rollback() #删除id=2sql="delete from user where id='%s'" % (id)try: cursor.execute(sql) db.commit()except: db.rollback() #查询cursor.execute("select * from user")results=cursor.fetchall()for row in results: name=row[0] age=row[1] #print(type(row[1])) #打印变量类型 print ("name=%s,age=%s" % \ (age, name)) 执行结果 [root@mail pythonCode]# python3 test.pyname=test1,age=1name=test3,age=3name=test4,age=4name=test5,age=5name=test6,age=6
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