oracle csv

    举例说明csv如何用

   cx_Oracle 用法

  oracle 举例

#!/usr/bin/python

#coding:gbk

import cx_Oracle

import csv

import xlrd

class ImportOracle(object):

    def inoracle(self):

        pass

    def ConnOracle(self):

        conn = cx_Oracle.connect(‘stat_yg/yg12345 ‘)

        cursor = conn.cursor()

        fields = [i+‘ varchar2(200)‘ for i in self.title]

        fields_str = ‘, ‘.join(fields)

        sql = ‘create table %s (%s)‘ % (self.table_name, fields_str)

        print sql

        cursor.execute(sql)

        a = [‘:%s‘ %i for i in range(len(self.title)+1)]

        value= ‘,‘.join(a[1:])

        sql = ‘insert into %s values(%s)‘ %(self.table_name, value)

        print sql

        cursor.prepare(sql)

        cursor.executemany(None, self.data)

        cursor.close()

        conn.commit()

        conn.close()

class ImportOracleCsv(ImportOracle):

    def inoracle(self):

        with open(self.filename, ‘rb‘) as f:

            reader = csv.reader(f)

            contents = [i for i in reader]

        title = contents[0]

        data = contents[1:]

        return (title, data)

class ImportOracleExcel(ImportOracle):

    def inoracle(self):

        wb = xlrd.open_workbook(self.filename)

        sheet1 = wb.sheet_by_index(0)

        title = sheet1.row_values(0)

        data = [sheet1.row_values(row) for row in range(1, sheet1.nrows)]

        return (title, data)

class ImportError(ImportOracle):

    def inoracle(self):

        print ‘Undefine file type‘

        return 0       

class ChooseFactory(object):

    choose = {}

    choose[‘csv‘] = ImportOracleCsv()

    choose[‘xlsx‘] = ImportOracleExcel()

    choose[‘xls‘] = ImportOracleExcel()

    def choosefile(self, ch):

        if ch in self.choose:

            op = self.choose[ch]

        else:

            op = ImportError()

        return op

if __name__ =="__main__":

    file_name = ‘11.csv‘

    table_name= ‘ygl_test111‘

    op = file_name.split(‘.‘)[-1]

    factory = ChooseFactory()

    cal = factory.choosefile(op)

    cal.filename = file_name

    (cal.title, cal.data) = cal.inoracle()

    cal.table_name = table_name

    cal.ConnOracle()