Python实现将MySQL数据库表中的数据导出生成csv格式文件的方法
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2020-09-09
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Python实现将实现将MySQL数据库表中的数据导出生成数据库表中的数据导出生成csv格式文件格式文件
的方法的方法
主要介绍了Python实现将MySQL数据库表中的数据导出生成csv格式文件的方法,涉及Python针对mysql数据库
的连接、查询、csv格式数据文件的生成等相关操作技巧,需要的朋友可以参考下
本文实例讲述了Python实现将MySQL数据库表中的数据导出生成csv格式文件的方法。分享给大家供大家参考，具体如下：
#!/usr/bin/env python
# -*- coding:utf-8 -*-
"""
Purpose: 生成日汇总对账文件
Created: 2015/4/27
Modified:2015/5/1
@author: guoyJoe
"""
#导入模块
import MySQLdb
import time
import datetime
import os
#日期
today = datetime.date.today()
yestoday = today - datetime.timedelta(days=1)
#对账日期
checkAcc_date = yestoday.strftime('%Y%m%d')
#对账文件目录
fileDir = "/u02/filesvrd/report"
#SQL语句
sqlStr1 = 'SELECT distinct pay_custid FROM dbpay.tb_pay_bill WHERE date_acct = %s'
#总笔数|成功交易笔数|成功交易金额|退货笔数|退货金额|撤销笔数|撤销金额
sqlStr2="""SELECT totalNum,succeedNum,succeedAmt,returnNum,returnAmt,revokeNum,revokeAmt
FROM
(SELECT count(order_id) AS totalNum
FROM (SELECT p.order_id as order_id
FROM dbpay.tb_pay_bill p, dbpay.tb_paybillserial q
WHERE p.oid_billno = q.oid_billno
AND p.paycust_accttype = 2
AND p.Paycust_Type = 1
AND p.stat_bill in (0, 4)
AND q.pay_stat = 1
AND q.col_stat = 1
AND p.pay_custid = %s
AND q.date_acct = %s
UNION ALL
SELECT p.order_id as order_id
FROM dbpay.tb_pay_bill p, dbpay.tb_paybillserial q
WHERE p.oid_billno = q.oid_billno
AND p.col_accttype = 2
AND p.col_type = 1
AND p.stat_bill in (0, 4)
AND q.pay_stat = 1
AND q.col_stat = 1
AND p.col_custid = %s
AND q.date_acct = %s
UNION ALL
SELECT R.ORDER_ID AS ORDER_ID
FROM DBPAY.TB_REFUND_BILL R, DBPAY.TB_PAYBILLSERIAL Q
WHERE R.oid_refundno = Q.OID_BILLNO
AND R.ORI_COL_ACCTTYPE = 2
AND R.ORI_COL_TYPE = 1
AND R.STAT_BILL = 2
AND Q.PAY_STAT = 1
AND Q.COL_STAT = 1
AND R.ORI_COL_CUSTID = %s
AND Q.DATE_ACCT = %s ) as total) A,
(SELECT count(order_id) succeedNum ,sum(amt_paybill) succeedAmt
FROM (SELECT p.order_id as order_id,
q.amt_payserial/1000 as amt_paybill
FROM dbpay.tb_pay_bill p, dbpay.tb_paybillserial q
WHERE p.oid_billno = q.oid_billno
AND p.paycust_accttype = 2
AND p.Paycust_Type = 1
AND p.stat_bill = '0'
AND q.pay_stat = 1
AND q.col_stat = 1
AND p.pay_custid = %s
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