标签：date database mysq htm pytho utf-8 移动 lang class
#coding=utf-8import MySQLdbconn = MySQLdb.connect(host=‘localhost‘,user=‘root‘,passwd=‘123456‘,charset=‘utf8‘)cursor = conn.cursor()try: #创建数据库 DB_NAME = ‘test‘ cursor.execute(‘DROP DATABASE IF EXISTS %s‘ %DB_NAME) cursor.execute(‘CREATE DATABASE IF NOT EXISTS %s‘ %DB_NAME) conn.select_db(DB_NAME) #创建表 TABLE_NAME = ‘t_user‘ cursor.execute(‘CREATE TABLE %s(id int primary key,name varchar(30))‘ %TABLE_NAME) #插入单条数据 value = [1,‘alexzhou1‘] cursor.execute(‘INSERT INTO t_user values(%s,%s)‘,value) #批量插入数据 values = [] for i in range(2,10): values.append((i,‘alexzhou%s‘ %(str(i)))) cursor.executemany(‘INSERT INTO t_user values(%s,%s)‘,values) #查询记录数量 count = cursor.execute(‘SELECT * FROM %s‘ %TABLE_NAME) print ‘total records: %d‘,count #查询一条记录 print ‘fetch one record:‘ result = cursor.fetchone() print result print ‘id: %s,name: %s‘ %(result[0],result[1]) #查询多条记录 print ‘fetch five record:‘ results = cursor.fetchmany(5) for r in results: print r #查询所有记录 #重置游标位置，偏移量:大于0向后移动;小于0向前移动，mode默认是relative #relative:表示从当前所在的行开始移动,absolute:表示从第一行开始移动 cursor.scroll(0,mode=‘absolute‘) results = cursor.fetchall() for r in results: print r cursor.scroll(-2) results = cursor.fetchall() for r in results: print r #更新记录 cursor.execute(‘UPDATE %s SET name = "%s" WHERE id = %s‘ %(TABLE_NAME,‘zhoujianghai‘,1)) #删除记录 cursor.execute(‘DELETE FROM %s WHERE id = %s‘ %(TABLE_NAME,2)) #必须提交，否则不会插入数据 conn.commit()except: import traceback traceback.print_exc() conn.rollback()finally: cursor.close() conn.close()版权属于: Alex‘s Blog
标签：date database mysq htm pytho utf-8 移动 lang class
原文地址：http://www.cnblogs.com/heting/p/6437690.html
