excel文件读、写、修改 类和方法封装

import openpyxl
from openpyxl.styles import Border,Side,Font
import time

class parseExcel(object):
    def __init__(self):
        self.workbook=None
        self.excelFile=None
        self.font=Font(color=None)
        self.RGBDict={"red":"FFFF3030","green":"FF008B00"}

    def loadwokebook(self,excelPathAndName):
        try:
            # 将excel文件加入到内存，返回workbook对象，excelPathAndName传入文件路径
            self.workbook=openpyxl.load_workbook(excelPathAndName)
        except Exception,e:
            raise e
        self.excelFile=excelPathAndName #文件的路径
        return self.workbook

    def getSheetByName(self,sheetName):
        #根据sheet名称获取sheet对象
        try:
            sheet=self.workbook.get_sheet_by_name(sheetName)
            return sheet
        except Exception,e:
            raise e

    def getSheetByIndex(self,sheetIndex):
        #根据sheet索引获取sheet对象
        try:
            # sheetnames方法返回所有sheet名称到list，根据下标获取sheet名称
            sheetname = self.workbook.sheetnames[sheetIndex]
        except Exception, e:
            raise e
        sheet = self.workbook.get_sheet_by_name(sheetname) #根据sheet名称获取sheet对象
        return sheet

    def getRowsNumber(self,sheet):
        #最大行
        return sheet.max_row #根据sheet对象获取该sheet页最大行数

    def getColsNumber(self, sheet):
        # 最大列
        return sheet.max_column

    def getRow(self,sheet,RowNo):
        # 获取某行对象，传入sheet对象，传RowNo要获取的行从0开始，0为第一行
        try:
            # sheet.rows获取所有行对象，存入list，RowNo下标获取指定行的对象
            return list(sheet.rows)[RowNo]
        except Exception,e:
            raise e

    def getColumn(self, sheet, ColumnNo):
        # 获取某列对象，传入sheet对象，传ColumnNo要获取的列从0开始，0为第一列
        try:
            # sheet.rows获取所有列对象，存入list，ColumnNo下标获取指定列的对象
            return list(sheet.columns)[ColumnNo]
        except Exception, e:
            raise e

    def getCellOfValue(self,sheet,coordinate=None,RowNO=None,ColsNO=None):
        '''读取单元个内容，两种方式
           1.只传入coordinate  单元格参数（"A2"）
           2.传入RowNO单元格的横坐标，ColsNO单元格的纵坐标
        '''
        if coordinate!=None: #如果coordinate参数不为空
            try:
                return sheet[coordinate].value #sheet对象传入单元格坐标，获取单元格的内容
            except Exception,e:
                raise e

        elif coordinate is None and RowNO is not None and ColsNO is not None:#如果coordinate参数为空，RowNO和ColsNO不为空
            try:
                return sheet.cell(row=RowNO,column=ColsNO).value #传入行和列，坐标从1开始
            except Exception,e:
                raise e
        else:
            raise Exception("insufficient coordinates of cell")

    def writeCell(self,sheet,content,coordinate=None, RowNO=None, ColsNO=None):
        '''往已有excel表里写入数据,两种方式写入
           1.只传入coordinate  单元格参数（"A2"）
           2.传入RowNO单元格的横坐标，ColsNO单元格的纵坐标
        '''
        if coordinate is not None:#如果coordinate参数不为空
            try:
                sheet[coordinate].value = content #sheet对象传入单元格坐标，给单元格传入新值content
                self.workbook.save(self.excelFile)
            except Exception, e:
                raise e
        elif coordinate == None and RowNO is not None and ColsNO is not None:#如果coordinate参数为空，RowNO和ColsNO不为空
            try:
                sheet.cell(row=RowNO, column=ColsNO).value = content  #传入行和列，坐标从1开始
                self.workbook.save(self.excelFile)    #对workbook进行保存，若没此句则不会修改成功
            except Exception, e:
                raise e
        else:
            raise Exception("insufficient coordinates of cell")

    def writeCellCurrentTime(self, sheet, coordinate=None, RowNO=None, ColsNO=None):
        # 往已有excel表里写入当前时间
        now=int(time.time())  #显示当前时间戳
        timeArray=time.localtime(now)
        CurrentTime=time.strftime("%Y-%m-%d %H:%M:%S", timeArray)

        if coordinate is not None:
            try:
                sheet[coordinate].value=CurrentTime
                self.workbook.save(self.excelFile)
            except Exception,e:
                raise e
        elif coordinate == None and RowNO is not None and ColsNO is not None:
            try:
                sheet.cell(row=RowNO,column=ColsNO).value=CurrentTime
                self.workbook.save(self.excelFile)
            except Exception,e:
                raise e
        else:
            raise Exception("insufficient coordinates of cell")

if __name__=="__main__":
    # 测试excel读取
    dir = u"E:/pythontest/DataDrivenFrameWork/testDate/ceshi.xlsx"

    pe = parseExcel()
    pe.loadwokebook(dir)
    sheet = pe.getSheetByIndex(0)  # 返回sheet对象
    # print pe.getRowsNumber(sheet) #获取最大行
    # print pe.getColsNumber(sheet) #获取最大列
    #
    # 获取第一行所有对象，循环第一行所有对象并打印所有对象的值
    a = pe.getRow(sheet, 0)
    for i in a:
        print i.value
    # 获取第一列所有对象，循环第一列所有对象并打印所有对象的值
    b = pe.getColumn(sheet, 0)
    for i in b:
        print i.value

    # 获取单元格内容
    print pe.getCellOfValue(sheet, "A1")  # 传入坐标参数获取单元格内容
    print pe.getCellOfValue(sheet, RowNO=1, ColsNO=1)  # 传入行和列参数

    # 测试单元格里写入数据
    pe.writeCell(sheet, "测试测试", "A1")  # 往A1单元格写入内容
    pe.writeCell(sheet, "xxxxx", RowNO=1, ColsNO=1)  # 传入行和列参数  行和列的错标从1开始

    # 测试单元格里写入时间
    pe.writeCellCurrentTime(sheet, "A1")  # 往A1单元格写入内容
    pe.writeCellCurrentTime(sheet, RowNO=1, ColsNO=1)  # 传入行和列参数  行和列的错标从1开始