一、相关代码
数据库配置类 MysqlDBConn.py

复制代码 代码如下:
#encoding=utf-8
\’\’\’
Created on 2012-11-12

Mysql Conn连接类
\’\’\’

import MySQLdb

class DBConn:

    conn = None

    #建立和数据库系统的连接
    def connect(self):
        self.conn = MySQLdb.connect(host=\”localhost\”,port=3306,user=\”house\”, passwd=\”house\” ,db=\”house\”,charset=\”utf8\”)

    #获取操作游标
    def cursor(self):
        try:
            return self.conn.cursor()
        except (AttributeError, MySQLdb.OperationalError):
            self.connect()
            return self.conn.cursor()

    def commit(self):
        return self.conn.commit()

    #关闭连接
    def close(self):
        return self.conn.close()

MysqlDemo.py类

复制代码 代码如下:
#encoding=utf-8
\’\’\’
Created on 2012-11-12

@author: Steven

Mysql操作Demo
Done:创建表，删除表，数据增、删、改，批量插入
\’\’\’
import MysqlDBConn

dbconn = MysqlDBConn.DBConn()

def process():
    #建立连接
    dbconn.connect()
    #删除表
    dropTable()
    #创建表
    createTable()
    #批量插入数据
    insertDatas()
    #单条插入
    insertData()
    #更新数据
    updateData()
    #删除数据
    deleteData()
    #查询数据
    queryData()
    #释放连接
    dbconn.close()

def insertDatas():
    sql = \”insert into lifeba_users(name, realname, age) values(%s, %s, %s)\”
    tmp = ((\’steven1\’, \’测试1\’,26), (\’steven2\’, \’测试2\’,25))
    executemany(sql, tmp)

def updateData():
    sql = \”update lifeba_users set realname = \’%s\’ where name =\’steven1\’\”%(\”测试1修改\”)
    execute(sql)

def deleteData():
    sql = \”delete from lifeba_users where id=2\”
    execute(sql)

def queryData():
    sql = \”select * from lifeba_users\”
    rows = query(sql)
    printResult(rows)

def insertData():
    sql = \”insert into lifeba_users(name, realname, age) values(\’%s\’, \’%s\’, %s)\”%(\”steven3\”,\”测试3\”,\”26\”)
    print sql
    execute(sql)

def executemany(sql, tmp):
    \’\’\’插入多条数据\’\’\’
    conn=dbconn.cursor()
    conn.executemany(sql, tmp)

def execute(sql):
    \’\’\’执行sql\’\’\’
    conn=dbconn.cursor()
    conn.execute(sql)

def query(sql):
    \’\’\’查询sql\’\’\’
    conn=dbconn.cursor()
    conn.execute(sql)
    rows = conn.fetchmany(10)
    return rows

def createTable():
    \’\’\’创建表\’\’\’
    conn=dbconn.cursor()
    conn.execute(\’\’\’
    CREATE TABLE `lifeba_users` (
      `ID` int(11) NOT NULL auto_increment,
      `name` varchar(50) default NULL,
      `realName` varchar(50) default NULL,
      `age` int(11) default NULL,
      PRIMARY KEY  (`ID`)
    ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
    \’\’\’)
#    dbconn.commit()

def dropTable():
    \’\’\’删除表\’\’\’
    conn=dbconn.cursor()
    conn.execute(\’\’\’
    DROP TABLE IF EXISTS `lifeba_users`
    \’\’\’)
#    dbconn.commit()

def printResult(rows):
    for row in rows:
        for i in range(0,len(row)):#遍历数组
            print row[i], #加, 不换行打印
        print \’\’

if __name__ == \’__main__\’:

    process()