python3 excel文件的读与写

 from openpyxl import load_workbook
 class RwExcelFile:

     def read_Excel(self,file_path):
         '''
         读取excel中所有数据并以列表形式返回
         :param file_path:
         :return:
         '''
         excel_File = load_workbook(file_path)
         sheet_names = excel_File.sheetnames
         list_column = []
         list_row    = []
         list_sheet  = []
         for i in sheet_names:
             excel_File_sheet=excel_File[i]
             for j in range(1,excel_File_sheet.max_row+1):
                 for k in range(1,excel_File_sheet.max_column+1):
                     list_column.append(excel_File_sheet.cell(j,k).value)
                 list_row.append(list_column)
                 list_column = []
             list_sheet.append(list_row)
             list_row = []
         excel_File.close()
         return list_sheet

     def write_Excel(self,file_path,sheetname,row,cloumn,T_value):
         '''
         向excel指定位置写入值
         :param file_path: 文件地址
         :param sheetname: sheet名
         :param row: 行
         :param cloumn:列
         :param T_value: 值
         :return: 无返回
         '''
         excel_File = load_workbook(file_path)
         excel_File[sheetname].cell(row,cloumn,T_value)
         excel_File.save(file_path)
         excel_File.close()