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import openpyxl
import xlrd
import os
class Sheet:
def cell_value(self, row, col):
pass
class XlsxSheet(Sheet):
def __init__(self, sheet):
self.sheet = sheet
def cell_value(self, row, col):
return self.sheet.cell(row=row+1, column=col+1).value
class XlsSheet(Sheet):
def __init__(self, sheet):
self.sheet = sheet
def cell_value(self, row, col):
return self.sheet.cell_value(row, col)
class _Workbook:
def sheet_by_index(self, index):
pass
class XlsxFile(_Workbook):
def __init__(self, path):
self.workbook = openpyxl.load_workbook(path)
def sheet_by_index(self, index):
sheet = self.workbook[self.workbook.sheetnames[index]]
return XlsxSheet(sheet)
class XlsFile(_Workbook):
def __init__(self, path):
self.workbook = xlrd.open_workbook(path)
def sheet_by_index(self, index):
sheet = self.workbook.sheet_by_index(index)
return XlsSheet(sheet)
class Workbook:
def __init__(self, path):
filedir, filename = os.path.split(path)
_, extname = os.path.splitext(filename)
if extname == ".xlsx":
self.impl = XlsxFile(path)
elif extname == ".xls":
self.impl = XlsFile(path)
else:
raise IOError("未知的文件类型")
def sheet_by_index(self, index):
return self.impl.sheet_by_index(index)
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