python3 openpyxl 操作excel

def checkCorePoint(self):
    
    wb = load_workbook(self.targetCoreFile)
    sheets = wb.sheetnames
    # 定义一个存放的sheet
    targetSheet = 'TargetCorePoint'
    # 判断是否已经存在这个sheet页，如果不存在新建一个
    if targetSheet not in sheets:
        cs = wb.create_sheet(targetSheet)
    else:
        # 如果已经存在了，那么删除旧的，防止数据堆积，重新创建新的sheet页
        cs = wb[targetSheet]
        wb.remove(cs)
        cs = wb.create_sheet(targetSheet)
    sheet = sheets[0]
    ws = wb[sheet]
    targetPointList = []
    # 遍历读取所有行
    for row in ws.rows:
        line = [col.value for col in row]
        # 讲所读信息存在list
        targetPointList.append(line)
    targetCorePointList = [['business_ch_name', 'category_id', 'target_id', 'event_type', '是否核心埋点']]
    # 遍历埋点list,判断是否在已知当中
    for i in targetPointList:
        # 如果存在当前信息增加标识
        if i[2] in self.sourceCorePointList:
            i.append('是')
            # 并把该埋点存放到list
            targetCorePointList.append(i)


    # 遍历list，并将存放到 TargetCorePoint sheet 页
    for row in targetCorePointList:
        cs.append(row)

    wb.save(filename=self.targetCoreFile)
    print("执行完成！")

参考 ：Python - openpyxl 读写操作Excel