python3 循环读取excel文件并写入json操作

import xlrd
import json
import operator
 
def read_xlsx(filename):
 # 打开excel文件
 data1 = xlrd.open_workbook(filename)
 # 读取第一个工作表
 table = data1.sheets()[0]
 # 统计行数
 n_rows = table.nrows
 
 data = []
 
 # 微信文章属性：wechat_name wechat_id title abstract url time read like number
 for v in range(1, n_rows-1):
  # 每一行数据形成一个列表
  values = table.row_values(v)
  # 列表形成字典
  data.append({'wechat_name': values[0],
      'wechat_id': values[1],
      'title':  values[2],
      'abstract': values[3],
      'url':   values[4],
      'time':  values[5],
      'read':  values[6],
      'like':  values[7],
      'number':  values[8],
      })
 # 返回所有数据
 return data
 
if __name__ == '__main__':
 d = []
 # 循环打开每个excel
 for i in range(1, 16):
  d1 = read_xlsx('./excel data/'+str(i)+'.xlsx')
  d.extend(d1)
 
 # 微信文章属性
 # 按时间升序排列
 d = sorted(d, key=operator.itemgetter('time'))
 # 写入json文件
 with open('article.json', 'w', encoding='utf-8') as f:
  f.write(json.dumps(d, ensure_ascii=False, indent=2))
 
 name = []
 # 微信id写文件
 f1 = open('wechat_id.txt', 'w')
 for i in d:
  if i['wechat_id'] not in name:
   name.append(i['wechat_id'])
  f1.writelines(i['wechat_id'])
  f1.writelines('\n')
 
 print(len(name))

#! /usr/bin/env python
# -*- coding:utf-8 -*-
 
import MySQLdb
from openpyxl import load_workbook
import sys
import time
import os
 
reload(sys)
sys.setdefaultencoding('utf8')
 
# 打开数据库连接
db = MySQLdb.connect(host="localhost", user="zimu", passwd="zimu", db="xxx", port=0000,charset='utf8')
 
template_file_demo = r"D:\path\demo.xlsx"
# makedirs 创建文件时如果路径不存在会创建这个路径
output_path = r"D:\output\demo"+"_"+ time.strftime("%Y%m%d", time.localtime()) +"_" + str(int(time.time()))+"\\"
os.makedirs(output_path)
#创建文件到新创建的文件夹中
book_demo = load_workbook(template_file_demo)
book_demo.save(output_path + "demo" +"_"+time.strftime("%Y%m%d", time.localtime())+".xlsx")
#读取指定文件夹下的文件
demo_file = output_path+"demo"+"_"+time.strftime("%Y%m%d", time.localtime())+".xlsx"
 
def savedata(start_time,end_time):
	demosql = '''select * from demo where start_date<='%s' and end_date>='%s''''%(start_time,end_time)
  cursor = db.cursor()
  cursor.execute(demosql)
  demodata = cursor.fetchall()
 
  demo_book = load_workbook(demo_file)
  demosheet = demo_book['demo']
  row_t = demosheet.max_row
 
  i = 0
  while i < len(demodata):
    for j in range(0, 8):
      demosheet.cell(row_t + i + 1, j + 1).value = demodata[i][j]
    i += 1
    demo_book.save(output_path+"demo"+"_"+time.strftime("%Y%m%d", time.localtime())+".xlsx")
 
book_template = load_workbook(template_file_demo)
timet = book_template['时间配置']
for t in range(2, timet.max_row + 1): # 读取配置表中的时间
  savedata(timet.cell(t, 1).value, timet.cell(t, 2).value)