用openpyxl的iter_rows来读取多行数据时,修改数据的方法
from openpyxl import load_workbook
path='具体路径'
A=load_workbook(path)
biao=A.active
for row in biao.iter_rows(max_row=biao.max_row):
for cell in row:
#print(cell)
if cell.value==None:
cell.value="1"
A.save(path)
特别注意此处values_only不要改为True
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