Python这样操作能存储100多万行的xlsx文件

!/usr/bin/env python3
- - coding: utf-8 - -

import pprint
import openpyxl
import openpyxl.styles
from openpyxl.styles import Font,colors

def readExcel(filename):
workbook = openpyxl.load_workbook(filename)
worksheet = workbook['用户']
list = []
for row in worksheet.rows: # 1行1行读
lineData = [] # 行数据
col = 1
for cell in row:
lineData.append(cell.value) # 1列1列读
col = col + 1
list.append(lineData)
return list

def operateData(filename):
list = readExcel(filename)

list.pop(0)
pprint.pprint(list)
pprint.pprint("先按性别排序，再按身高排序")

list.sort(key=lambda ele: (ele[3], ele[4]))
pprint.pprint(list)

def getTagList(index, colNum):
tagList = []
for i in range(0, colNum):

tag = chr(65 + i) + str(index)
tagList.append(tag)
return tagList

def writeExcel(outputFilePath, list):
book = openpyxl.Workbook()
sheet = book.create_sheet("用户", 0)
sheet.title = "用户" # sheet名称
rowNum = len(list)
try:

for i in range(1, rowNum + 1): # 下标从1开始
datalist = list[i -1] # 读取1行
col = 1

for data in datalist:
sheet.cell(i, col, data) #写入内容
col += 1

tagList = getTagList(i, len(datalist))
font = Font('微软雅黑', size = 14, color = '333333')

for tag in tagList:
sheet[tag].font = font # 设置字体

book.save(outputFilePath)
except Exception as e: # 捕获异常
print(e)

if name == " main ":
print("读取xlsx格式的数据")
userList = readExcel('user.xlsx')
print("写入xlsx文件")
writeExcel("user2.xlsx", userList)
print("操作数据")
operateData('user.xlsx')