python excel 读写的封装

from openpyxl import load_workbook
from common.do_config import cfg
from common.constant import DATA_FILE_PATH   #用例excel存放的路径



class HandleExcel:
    """
    定义处理excel的类
    """
    def __init__(self,sheet_name=None):
        self.filename = DATA_FILE_PATH
        self.sheet_name = sheet_name

    def read_data(self):
        #1.打开excel
        wb = load_workbook(self.filename)
        # 2.定位表单
        #如果有传sheetName,那么就获取指定的表单
        #如果没有传sheetName ,那么就获取第一个表单
        if self.sheet_name is None:
            ws = wb.active
        else:
            ws = wb[self.sheet_name]
        # 获取所有的用例数据

        values = tuple(ws.iter_rows(min_row=1,max_row=1,values_only=True))

        sheet_head_tuple= values[0]

        #3.获取用例数据
        cases_list = []
        for data in tuple(ws.iter_rows(min_row=2,values_only=True)):
            item = dict(zip(sheet_head_tuple,data))
            cases_list.append(item)
        return cases_list

    def write_data(self,row,actual,result):
        other_wb = load_workbook(self.filename)
        actual_column = cfg.get_int("excel","actual_column")
        result_column = cfg.get_int("excel","result_column")
        if self.sheet_name is None:
            other_ws = other_wb.active
        else:
            other_ws = other_wb[self.sheet_name]
        if isinstance(row,int) and(2<=row<=other_ws.max_row):
            other_ws.cell(row,column=actual_column,value=actual)
            other_ws.cell(row, column=result_column, value=result)
            other_wb.save(self.filename)
        else:
            print("传入的行号有误，行号应大于1的整数")


if __name__ == '__main__':

    excel = HandleExcel("register-login")
    print(excel.read_data())