Python 对Excel求和、合并居中的操作_Python

需求

原始表格：

Python 对Excel求和、合并居中的操作

想在Total列中对每日的Amount进行汇总，然后对Date和Total进行合并居中，效果如下：

Python 对Excel求和、合并居中的操作

思路

遍历Excel行，从第一个非空Date列开始，到下个非空Date列，对Amount列进行求和，结果赋给第一个非空Data列对应行的Total列。

代码

import os
import openpyxl
from openpyxl.styles import Border, Side, PatternFill, Font, GradientFill, Alignment
def range_sum(worksheet,start,end):
sum = 0
for row in worksheet[start:end]:
for cell in row:
if cell.value != None:
sum += cell.value
return sum
def is_blank_row(worksheet,row_num,max_col=None):
if not max_col:
max_col = worksheet.max_column
for cell in worksheet[row_num][:max_col]:
if cell.value:
return False
return True
def total_amount(worksheet):
""" 对某sheet的A、E列合并居中，并对E列求和 """
ws = worksheet
row, max_row = 4, ws.max_row
while row < ws.max_row:
sum_row_start, sum_row_end = row, row
for working_row in range(row + 1,max_row + 2):
if (not is_blank_row(worksheet, working_row-1) # 上一行有值
and (ws[f'A{working_row}'].value or is_blank_row(worksheet, working_row))): # A列有值或当前为空行（最后一次合并）
# 求和
sum_row_end = working_row - 1
ws[f'E{sum_row_start}'] = range_sum(ws,f'C{sum_row_start}',f'C{sum_row_end}')
# 合并居中
ws[f'E{sum_row_start}'].alignment = Alignment(horizontal="center", vertical="center")
ws[f'A{sum_row_start}'].alignment = Alignment(horizontal="center", vertical="center")
ws.merge_cells(f'E{sum_row_start}:E{sum_row_end}')
ws.merge_cells(f'A{sum_row_start}:A{sum_row_end}')
break
row = sum_row_end + 1
def main():
# 根据情况修改代码
in_file_name = 'In.xlsx'
processing_sheet = 'Sheet1'
path_name = 'D:\\Users\\Desktop\\Temp'
out_file_name = 'Out.xlsx'
wb = openpyxl.load_workbook(filename=os.path.join(path_name,in_file_name))
total_amount(wb[processing_sheet])
wb.save(os.path.join(path_name,out_file_name))
if __name__=='__main__':
main()