本项目需求第一步是先从excel中将订单数据导入数据库中，然后有按照会员名对该会员名所进行的所有交易订单进行查询，查询结果支持导出，导出格式同为excel，数据量很少本来打算使用pyscopg2 操作postgresql，后来放弃了,一个月只有1w条数据，所以选择了自带的sqlit3
本文使用到的库有 xlrd xlwt sqlit3 pyqt5
分成了3个类，一个是excel 数据操作类，包含将excel数据的读写，一个是db操作类，包括了基本的连接库 创建表和查询插入，另一个是界面类，绑定界面上的操作和获取界面数据。
源码如下
'''
omsData.py
@author tianrui
@date 2015-11-25
'''
#coding=utf-8
import xlrd
import os
import xlwt
def DriverDir(dirPath):
filePathlist = [];
for parent,filenames in os.walk(dirPath):
for filename in filenames:
if((filenames.find('.xls') != -1) and (filenames.find('.xlsx') != -1)):
filename = parent + '\\' + filename
filePathlist.append(filename)
'''遍历处所有文件'''
return filePathlist
class omsExcel:
def readDirData(self, dirPath):
'''遍历文件夹下所有xls,xlsm文件 读取数据'''
fileList = DriverDir(dirPath)
dataList = []
for filePath in fileList:
singleDataList = self.readFileData(filePath)
dataList.append(singleDataList)
'''datalist[0][0][0]'''
return dataList
def readFileData(self, filePath):
'''读取单独文件数据'''
listData = []
wkBook = xlrd.open_workbook(filePath)
for wkSht in wkBook.sheets():
nrows = wkSht.nrows
ncols = wkSht.ncols
'''第一行标题数据不读取'''
for rownum in range(1, nrows):
row = wkSht.row_values(rownum)
if row:
rowData = {}
for col in range(0, ncols):
rowData[col] = row[col]
listData.append(rowData)
return listData
def writeFileData(self, filePath, dataList):
'''写入文件数据'''
writeBk = xlwt.Workbook()
writeSht = writeBk.add_sheet("导出结果")
'''三层数据，最外层为workbook 第二层行，第三次为列'''
for wb in range(0, len(dataList)):
for row in range(0, len(dataList[0])):
for col in range(0, len(dataList[0][0])):
writeSht.write(row, col, dataList[wb][row][col])
writeBk.save(filePath)
#coding=utf-8
import sqlite3
from omsData import omsExcel
class dbOperator:
def __init__(self):
print("DBoperator")
def ConnectDb(self):
try:
print("connect")
self.conn = sqlite3.connect("omsDB.db")
except Exception as ex:
print(ex)
else:
print("create")
self.createTable()
'''创建'''
def createTable(self):
self.conn.execute('''CREATE TABLE IF NOT EXISTS t_oms_data
( orderID text primary key not null,
accountName text ,
zhifubaoName text ,
payableMoney text ,
postMoney text ,
zhufuPoint text ,
totalMoney text ,
backPoint text ,
realMoney text ,
realzhifuPoint text ,
orderState text ,
customMsg text ,
customName text ,
recvAddress text ,
postWay text ,
phoneNum text ,
telphoneNum text ,
odCreateTime text ,
odpayTime text ,
goodsTitle text ,
goodsType text ,
logisticsNum text ,
logisticsCmy text ,
odRemark text ,
goodsTotal text ,
storeID text ,
storeName text ,
odCloseReason text ,
serverMoney text ,
customSerMoney text ,
invoiceName text ,
isTelphonOD text ,
odPartInfo text ,
earnestRank text ,
modifySku text ,
modifyAdd text ,
exceptInfo text ,
tianmaoCard text ,
jifenbaoCart text ,
isO2O text );''')
def putValue(self, datalist, singleFile = True):
sqlStr = ''
realList = []
if singleFile == True:
realList.append(datalist)
else:
realList = datalist
print(realList)
for wb in range(0, len(realList)):
for row in range(0, len(realList[0])):
sqlStr = "INSERT INTO t_oms_data VALUES("
for col in range(0, len(realList[0][0])):
newStr = str(realList[wb][row][col])
if(newStr.find("'") != -1):
newStr = newStr.replace("'","")
tmpStr = "'%s'" % (newStr)
if col != len(realList[0][0]) - 1:
tmpStr += ","
sqlStr += tmpStr
sqlStr += ");"
'''插入一行数据'''
try:
print(sqlStr)
cur = self.conn.cursor()
cur.execute(sqlStr)
except Exception as ex:
print(ex)
continue
else:
self.conn.commit()
def getFindValue(self, sqlStr):
#sqlStr = "select * from t_oms_data where accountName = '%s'" %(accountName)
cur = self.conn.cursor()
cur.execute(sqlStr)
rows = cur.fetchall()
cur.close()
'''查询结果是二维'''
return rows
def closeDb(self):
if(self.conn == None):
self.conn.close()
''' test
conn = sqlite3.connect("test.db")
cur = conn.cursor()
cur.execute("select * from t1")
res = cur.fetchall()
print(res[0][0])'''还有一个UI操作 字数限制上传不了 那个是前一篇文章描述的用designer设计生成的界面类。
来源：oschina
链接：https://my.oschina.net/u/2541177/blog/538206