前言

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作者：DYblog

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下面直接上代码，看不懂的可以看这篇文章或者注释来学习

#!/usr/bin/env python# -*- coding: utf-8 -*-import requestsfrom bs4 import BeautifulSoup#from openpyxl import *#写入表格使用，写入txt时报错import timefrom tkinter import * import tkinter.messageboxfrom  tkinter import ttk########import结束#############----------全局变量-----------https = 'https:'headers = {    "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",    "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.16 Safari/537.36",}#定义头部信息，防止被网站阻止name = []price = []introduct = []urlss = []#----------全局变量结束-------#===============函数区域==============#--------图形界面函数开始--------def genxin():	top = Tk()	top.title("'%s'在'京东'中查询结果"%E1.get())	top.geometry("800x600+600+100")	columns = ("物品名", "价格", "简介", "链接")	treeview = ttk.Treeview(top, show="headings", columns=columns, height='100')	 	treeview.column("物品名", width=200, anchor='center')	treeview.column("价格", width=50, anchor='center')	treeview.column("简介", width=200, anchor='center')	treeview.column("链接", width=50, anchor='center')		treeview.heading("物品名", text="物品名")	treeview.heading("价格", text="价格")	treeview.heading("简介", text="简介")	treeview.heading("链接", text="链接")	treeview.pack()	print(name)	print(price)	print(introduct)	print(urlss)	for write_ in range(min(len(name),len(price),len(introduct),len(urlss))): # 写入数据	    treeview.insert('', write_, values=(name[write_], price[write_], introduct[write_], urlss[write_]))	top.mainloop()#--------图形界面函数结束--------					def searchstart():#打开页面查找，获取html	url=';+E1.get()	url = str(url)	html = requests.get(url,headers=headers).text#打开链接，获取html	soup = BeautifulSoup(html, 'html.parser')	for div in soup.find_all('div',class_="ml-wrap"):#包含价格，销量，商品，页数		for shangpin in div.find_all('div',class_="goods-list-v2 gl-type-1 J-goods-list"):			for prices in shangpin.find_all('div',class_="p-price"):#商品价格				for pricess in prices.find_all('i'):					if pricess=='':						pricess='无'					price.append(pricess.text)		for shangpin in div.find_all('div',class_="goods-list-v2 gl-type-1 J-goods-list"):#商品			for name_ in shangpin.find_all('div',class_="p-name p-name-type-2"):				for titlename in name_.find_all('em'):#简介					if titlename=='':						titlename='无'					introduct.append(titlename.text)			for name_ in shangpin.find_all('div',class_="p-name p-name-type-2"):				for introduction in name_.find_all('a',target="_blank"):#商品名					introduction = introduction.get('title')					if introduction=='':						introduction='无'					name.append(introduction)			for url in shangpin.find_all('div',class_="p-name p-name-type-2"):				for urls in url.find_all('a'):					urlss.append(https+urls['href'])	print(introduct)	print(name)	genxin()#===============函数区域结束==========##########图形界面开始#########root = Tk()root.title('京东商品 查询')root.geometry('250x160')L1 = Label(root, text="商品名： ")L1.place(x = 5,y = 15)E1 = Entry(root, bd =2)E1.place(x = 60,y = 15)A = Button(root, text ="确定",font=('Arial', 12), width=10, height=1,command=searchstart)A.place(x = 350,y = 10)#确定按钮root.mainloop()

运行截图：