#!/usr/bin/env python #coding:utf-8 import MySQLdbtry: #连接mysql的方法:connect(‘ip‘,‘user‘,‘password‘,‘dbname‘) #conn=MySQLdb.connect(host=‘localhost‘,user=‘root‘,passwd=‘123456‘,db=‘test‘) conn =MySQLdb.connect(‘127.0.0.1‘,‘root‘,‘123456‘,charset = ‘gb2312‘) conn.select_db(‘python‘) cur=conn.cursor() sql1 = ‘drop database python‘ #删除数据库 sql2 = ‘create database if not exists python‘ #若不存在,则创建数据库 sql3 = ‘create database python‘ sql4 = ‘create table module(m_id int not null,m_name VARCHAR(25),m_size int)‘#创建表 sql5 = ‘create table if not exists demo(d_id int not null,d_name varchar(25),m_size int default 0)‘ values=[] for i in range(1): values.append((i,‘mysql‘,i+1)) sql6 = ‘insert into module values(%s,%s,%s)‘ #cur.executemany(sql6,values) #批量插入 values = [1,‘MySQLdb‘,5] sql6 = "insert into module VALUES(‘%d‘,‘%s‘,‘%d‘)"%(2,‘MySQLdb‘,7) #插入 #sql6 = "insert into module(m_id,m_name,m_size) VALUES(‘%d‘,‘%s‘,‘%d‘)"%(2,‘MySQLdb‘,7) #sql6 = "insert into module(m_id,m_name,m_size) VALUES(‘%d‘,‘%s‘,‘%d‘)"%(values[0],values[1],values[2]) sql7 = "update module set m_name=‘MySql‘ where m_id=0 and m_size=0" #修改 sql8 = "delete from module where m_id=1 and m_size=0" #删除 sql9 = "select * from module where m_id=1" cur.execute(sql9) count = cur.execute(sql9) #查询结果数量 print u‘查询结果数量:‘,count result = cur.fetchone() print u‘单条查询结果:‘,result result = cur.fetchmany(2) print u‘多条查询结果:‘,result result = cur.fetchall() print u‘所有不同的查询结果:‘,result for data in result: print data conn.commit() cur.close() conn.close()except MySQLdb.Error,e: print "Mysql Error %d: %s" % (e.args[0], e.args[1])
时间: 2024-10-24 02:23:43