python关于openpyxl库的常用使用介绍

from openpyxl import load_workbook
#只能加载已存在的表格
wb=load_workbook("D:\zhijing_work\测试数据\测试文件\yetangjian.xlsx")
sheet=wb['Sheet1']
# 操作单列
for cell in sheet["B"]:
    print(cell.value)
#操作多列
for column in sheet["A:C"]:
    for cell in column:
        print(cell.value)
# 操作多行
for row in sheet[1:3]:
    for cell in row:
        print(cell.value)
# 写入内容后保存
cell=sheet["B5"]
cell.value="写入"
wb.save("D:\zhijing_work\测试数据\测试文件\yetangjian.xlsx")
# 追加插入数据
data=[11,11,22,33,44,55,66,77]
sheet.append(data)
wb.save("D:\zhijing_work\测试数据\测试文件\yetangjian.xlsx")