废话不多说，看代码，不懂的留言。

from openpyxl import *


class ExcelUtil:
    ''' 读取excel文件内容'''

    def create_work_book(self, title, index, maxRow, maxColumn, fileName):
        """
        :param title: 表名称,
        :param index: 表所处位置（第一位从0开始）
        :param maxRow: 创建的最大行数
        :param maxColumn: 创建的最大列数
        :param maxColumn: 文件保存路劲
        """
        wb = Workbook()
        sheet = wb.create_sheet(title=title, index=index)
        sheet.insert_rows(0, maxRow)
        sheet.insert_cols(0, maxColumn)
        wb.save(fileName)

    def fill_cell(self, fileName, sheetName, cellIndex, value):
        """
        :param fileName: 文件路径
        :param sheetName: 表名称
        :param cellIndex: 单元格所在位置，如'A1'
        :param value: 写入单元格的值
        """
        wb = load_workbook(fileName)
        sheet = wb[sheetName]
        sheet[cellIndex.upper()] = value
        wb.save(fileName)

    def read_cell(self, fileName, sheetName, cellIndex):
        """
        :param fileName: 文件路径
        :param sheetName: 表名称
        :param cellIndex: 单元格所在位置，如'A1'
        :return:单元格值
        """
        wb = load_workbook(fileName)
        sheet = wb[sheetName]
        return sheet[cellIndex.upper()].value

    def batch_read_cell(self, fileName, sheetName):
        """
        :param fileName: 文件路径
        :param sheetName: 表名
        :return: 二维数组
        """
        wb = load_workbook(fileName)
        sheet = wb[sheetName]
        lists = []
        for row in sheet.rows:
            list=[]
            for cell in row:
                list.append(cell.value)
            lists.append(list)
        return lists