本文实例讲述了Python实现读取SQLServer数据并插入到MongoDB数据库的方法。分享给大家供大家参考,具体如下:
# -*- coding: utf-8 -*- import pyodbc import os import csv import pymongo from pymongo import ASCENDING, DESCENDING from pymongo import MongoClient import binascii '''连接mongoDB数据库''' client = MongoClient('10.20.4.79', 27017) #client = MongoClient('10.20.66.106', 27017) db_name = 'SoftADoutput' db = client[db_name] '''连接SqlServer数据库''' connStr = 'DRIVER={SQL Server Native Client 11.0};SERVER=DESKTOP-44P34L6;DATABASE=Softput;UID=sa;PWD=sa' conn = pyodbc.connect(connStr) cursor = conn.cursor() #########################################Channel_CovCode数据插入########################## '''从SQLServer数据库读取Channel_CovCode数据写入到mongodb数据库中Channel_CovCode集合中''' def InsertChannel_CovCode(cursor): cursor.execute("select dm, ms from channel_CovCode") rows = cursor.fetchall() i = 1 for row in rows:#gb18030 db.channel_CovCode.insert({'_id':i,'dm':row.dm,'ms':row.ms.decode('gbk').encode('utf-8')}) i = i + 1 InsertChannel_CovCode(cursor) ############################################################################################# #########################################channel_ModeCode数据插入############################# '''从SQLServer数据库读取channel_ModeCode数据写入到mongodb数据库中channel_ModeCode集合中''' def InsertChannel_ModeCode(cursor): cursor.execute("select dm, ms from channel_ModeCode") rows = cursor.fetchall() i = 1 for row in rows:#gb18030 db.channel_ModeCode.insert({'_id':i,'dm':row.dm,'ms':row.ms.decode('gbk').encode('utf-8')}) i = i + 1 InsertChannel_ModeCode(cursor) ############################################################################################# #########################################citynumb数据插入######################## '''从SQLServer数据库读取citynumb数据写入到mongodb数据库中citynumb集合中''' def InsertCitynumb(cursor): cursor.execute("select t.XZQMC,t.SMC,t.CSMC,t.SSQYDM,t.CITY_E,t.AREA_E,t.PROV_E from citynumb t") rows = cursor.fetchall() i = 1 for row in rows: xzqmc = row.XZQMC if xzqmc != None: xzqmc = xzqmc.decode('gbk').encode('utf-8') smc = row.SMC if smc != None: smc = smc.decode('gbk').encode('utf-8') csmc = row.CSMC if csmc != None: csmc = csmc.decode('gbk').encode('utf-8') db.citynumb.insert({'_id':i,'XZQMC':xzqmc,'SMC':smc,'CSMC':csmc,'SSQYDM':row.SSQYDM,'CITY_E':row.CITY_E,'AREA_E':row.AREA_E,'PROV_E':row.PROV_E}) i = i + 1 InsertCitynumb(cursor) ################################################################################################################## #########################################channel数据插入############################ '''从SQLServer数据库读取channel数据写入到mongodb数据库中channel集合中''' def InsertChannel(cursor): cursor.execute("select pdcmc,pdemc,pdemcj,pdbm1,ssqydm,cov,sdate,mode,startTime,endTime,memo,pdtype,sflag,edate,corporation from channel") rows = cursor.fetchall() i = 1 for r in rows: pdcmc = r.pdcmc if pdcmc != None: pdcmc = pdcmc.decode('gbk').encode('utf-8') memo = r.memo if memo != None: memo = memo.decode('gbk').encode('utf-8') corporation = r.corporation if corporation != None: corporation = corporation.decode('gbk').encode('utf-8') db.channel.insert({'_id':i,'pdcmc':pdcmc,'pdemc':r.pdemc,'pdemcj':r.pdemcj,'pdbm1':r.pdbm1,'ssqydm':r.ssqydm,'cov':r.cov,'sdate':r.sdate,'mode':r.mode,'startTime':r.startTime,'endTime':r.endTime,'memo':memo,'pdtype':r.pdtype,'sflag':r.sflag,'edate':r.edate,'corporation':corporation}) i = i + 1 InsertChannel(cursor) ############################################################################################# #########################################CPBZK数据插入############################ '''从SQLServer数据库读取CPBZK数据写入到mongodb数据库中CPBZK集合中''' def InsertCPBZK(cursor): cursor.execute("select ZTC,EZTC,ZTC_CODE,LBDM,B_CODE,QY_CODE,IChange,cla from CPBZK") rows = cursor.fetchall() i = 1 for r in rows:#gb18030 ztc = r.ZTC if ztc != None: ztc = ztc.decode('gbk').encode('utf-8') db.CPBZK.insert({'_id':i,'ZTC':ztc,'EZTC':r.EZTC,'ZTC_CODE':r.ZTC_CODE,'LBDM':r.LBDM,'B_CODE':r.B_CODE,'QY_CODE':r.QY_CODE,'IChange':r.IChange,'cla':r.cla}) i = i + 1 InsertCPBZK(cursor) ############################################################################################# #########################################TVPGMCLASS数据插入########################## '''从SQLServer数据库读取TVPGMCLASS数据写入到mongodb数据库中TVPGMCLASS集合中''' def InsertTVPGMCLASS(cursor): cursor.execute("select ClassChDesc,ClassEnDesc,ClassCode,ParentCode,SortNo from TVPGMCLASS") rows = cursor.fetchall() i = 1 for r in rows:#gb18030 classChDesc = r.ClassChDesc if classChDesc != None: classChDesc = classChDesc.decode('gbk').encode('utf-8') db.TVPGMCLASS.insert({'_id':i,'ClassChDesc':classChDesc,'ClassEnDesc':r.ClassEnDesc,'ClassCode':r.ClassCode, 'ParentCode':r.ParentCode,'SortNo':r.SortNo}) i = i + 1 InsertTVPGMCLASS(cursor) ############################################################################################# #########################################GGBZK_DESCRIPTION数据插入########################### '''从SQLServer数据库读取GGBZK_DESCRIPTION数据写入到mongodb数据库中GGBZK_DESCRIPTION集合中''' def InsertGGBZK_DESCRIPTION(cursor): cursor.execute("select V_code,des_named,des_main,des_background,des_scene,des_words,ModifyFlag,UpdateDate from GGBZK_DESCRIPTION") rows = cursor.fetchall() i = 1 for r in rows:#gb18030 name = r.des_named if name != None: name = name.decode('gbk').encode('utf-8') desmain = r.des_main if desmain != None: desmain = desmain.decode('gbk').encode('utf-8') background = r.des_background if background != None: background = background.decode('gbk').encode('utf-8') scene = r.des_scene if scene != None: scene = scene.decode('gbk').encode('utf-8') words = r.des_words if words != None: words = words.decode('gbk').encode('utf-8') db.GGBZK_DESCRIPTION.insert({'_id':i,'V_code':r.V_code,'des_named':name,'des_main':desmain,'des_background':background, 'des_scene':scene,'des_words':words,'ModifyFlag':r.ModifyFlag,'UpdateDate':r.UpdateDate}) i = i + 1 InsertGGBZK_DESCRIPTION(cursor) #########################################Z201607_027数据插入########################## '''从SQLServer数据库读取Z201607_027数据写入到mongodb数据库中Z201607_027集合中''' def InsertZ201607_027(cursor): strSql = "select PD,RQ,SHIJIAN,ENDSHIJIAN,LBDM,ZTC_CODE,V_CODE,B_CODE,QY_CODE,QUANLITY,SPECIAL,LANGUAGE,LENGTH,SLENGTH,QJM1,QJM2,QGG,HJM1,HJM2,HGG,DUAN,OSHIJIAN,JG,SORTNO,LURU,ZFILE,COST,ROWTS,COST1,COST2,COST3 from Z201607_027" cursor.execute(strSql) rows = cursor.fetchall() i = 1 for r in rows:#gb18030 cost = float(r.COST) #COST money类型 cost1 = float(r.COST1) cost2 = float(r.COST2) cost3 = float(r.COST3) #先把时间戳转为字符串,然后再转为十进制数 rowts = int(str(binascii.b2a_hex(r.ROWTS)),16) luru = r.LURU if luru != None: luru = luru.decode('gbk').encode('utf-8') vCODE = r.V_CODE if vCODE != None: vCODE = vCODE.decode('gbk').encode('utf-8') db.Z201607_027.insert({'_id':i,'PD':r.PD,'RQ':r.RQ,'SHIJIAN':r.SHIJIAN,'ENDSHIJIAN':r.ENDSHIJIAN,'LBDM':r.LBDM, 'ZTC_CODE':r.ZTC_CODE,'V_CODE':vCODE,'B_CODE':r.B_CODE,'QY_CODE':r.QY_CODE,'QUANLITY':r.QUANLITY, 'SPECIAL':r.SPECIAL,'LANGUAGE':r.LANGUAGE,'LENGTH':r.LENGTH,'SLENGTH':r.SLENGTH,'QJM1':r.QJM1,'QJM2':r.QJM2,'QGG':r.QGG,'HJM1':r.HJM1,'HJM2':r.HJM2,'HGG':r.HGG,'DUAN':r.DUAN,'OSHIJIAN':r.OSHIJIAN,'JG':r.JG,'SORTNO':r.SORTNO,'LURU':luru,'ZFILE':r.ZFILE, 'COST':cost,'ROWTS':rowts,'ExpandProperty':'','COST1':cost1,'COST2':cost2,'COST3':cost3}) i = i + 1 InsertZ201607_027(cursor) #############################################################################################
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