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from bs4 import BeautifulSoup
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import re
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import urllib.error,urllib.request
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import xlwt
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import sqlite3
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#对于豆瓣top250电影爬取内容的正则表达式
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findLink = re.compile(r'<a href="(.*?)">')
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findImgSrc = re.compile(r'<img.*src="(.*?)"',re.S)
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findTitle = re.compile(r'<span class="title">(.*)</span>')
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findRating = re.compile(r'<span class="rating_num" property="v:average">(.*)</span>')
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findJudge = re.compile(r'<span>(\d*)人评价</span>')
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findBd = re.compile(r'<p class="">(.*?)</p>',re.S)
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#对于豆瓣当前某城市正在上映的电影爬取内容的正则表达式
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findnowmovielink = re.compile(r'<a data-psource="poster" href="(.*?)" target="_blank">',re.S)
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findnowmovieimg = re.compile(r'src="(.*?)"/>')
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findnowmovietitle= re.compile(r'data-title="(.*?)"')
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findnowmovieactors= re.compile(r'data-actors="(.*?)"')
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findnowmovietime= re.compile(r'data-duration="(.*?)"')
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findnowmovieregion= re.compile(r'data-region="(.*?)"')
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findnowmoviedirector= re.compile(r'data-director="(.*?)"')
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findnowmovieid = re.compile(r'id="(.*?)"')
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def main():
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a = input("Enter a number: ")
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if a=="1":
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baseurl = "https://movie.douban.com/top250?start=" #指定的网页超链接
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datalist = getData1(baseurl) #返回一个装有所有数据的列表
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savepath = ".\\doubanmovietop250.xls" #存储数据的文档路径
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saveData1(datalist,savepath) #存储数据
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dbpath = "doubanmovietop250.db"
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saveData2DB1(datalist,dbpath)
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if a=="2":
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b = input("Enter a city: ")
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baseurl = "https://movie.douban.com/cinema/nowplaying/" + b + '/'
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c = getData2(baseurl)
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savepath = ".\\doubannowplaying.xls"
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saveData2(c,savepath)
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#用于获得数据
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def getData1(baseurl):
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datalist = [] #将获得的数据装于datalist这个列表
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for i in range(0,10): #网页一共10页，遍历爬取
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url = baseurl + str(i*25)
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html = askURL1(url)
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soup = BeautifulSoup(html,"html.parser") #解析
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for item in soup.find_all('div',class_= "item"):
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#print(item) #一个测试点
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data = [] #将每一部电影的具体信息装入data列表
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item = str(item)
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link = re.findall(findLink,item)[0] #详情链接
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data.append(link)
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imgSrc = re.findall(findImgSrc,item)[0] #图片链接
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data.append(imgSrc)
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titles = re.findall(findTitle,item) #标题
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if(len(titles) == 2 ):
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ctitle = titles[0]
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data.append(ctitle)
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otitle = titles[1].replace("/","")
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data.append(otitle)
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else:
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data.append(titles[0])
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data.append(" ")
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rating = re.findall(findRating,item)[0] #评分
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data.append(rating)
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judgeNum = re.findall(findJudge,item)[0] #评分人数
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data.append(judgeNum)
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bd = re.findall(findBd,item)[0] #概要
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bd = re.sub('\s',"",bd)
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bd = re.sub(r'/',"",bd)
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bd = re.sub('<br>',"",bd)
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data.append(bd.strip())
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datalist.append(data) #将data列表装入datalist列表
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return datalist
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#用来得到一个指定URL的网页内容(豆瓣top250)
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def askURL1(url):
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#伪装为浏览器
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head = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36 Edg/99.0.1150.55"
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}
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resquest = urllib.request.Request(url,headers=head)
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html = ""
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try:
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response = urllib.request.urlopen(resquest)
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html = response.read().decode("utf-8")
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#print(html)
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except urllib.error.URLError as e:
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if hasattr(e,"code"):
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print(e.code)
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if hasattr(e,"reason"):
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print(e.reason)
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return html
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def saveData1(datalist,savepath):
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print("save...")
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book = xlwt.Workbook(encoding="utf-8",style_compression=0)
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sheet = book.add_sheet("豆瓣电影Top250",cell_overwrite_ok=True)
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col = ("电影详情链接","图片链接","影片中文名字","影片外国名字","评分","评价数","相关信息")
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for i in range(0,7):
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sheet.write(0,i,col[i])
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for i in range(0,250):
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print("第%d条"%(i+1))
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data = datalist[i]
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for j in range(0,7):
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sheet.write(i,j,data[j])
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book.save("student.xls")
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def saveData2DB1(datalist,dbpath):
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init_db1(dbpath)
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conn = sqlite3.connect(dbpath)
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cur = conn.cursor()
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for data in datalist:
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for index in range(len(data)):
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if index == 4 or index == 5:
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continue
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data[index] = '"'+data[index].strip()+'"'
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sql = '''
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insert into movie250(info_link,pic_link,cname,ename,score,rated,info)
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values(%s)'''%",".join(data)
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cur.execute(sql)
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conn.commit()
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cur.close()
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conn.close()
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def init_db1(dbpath):
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sql = '''
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create table movie250
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(
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id integer primary key autoincrement,
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info_link text,
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pic_link text,
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cname varchar ,
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ename varchar ,
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score numeric ,
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rated numeric ,
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info text
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)
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'''
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conn = sqlite3.connect(dbpath)
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cursor = conn.cursor()
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cursor.execute(sql)
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conn.commit()
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conn.close()
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def askURL2(url):
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# 伪装为浏览器
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head = {
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"User-Agent":" Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36 Edg/100.0.1185.36"
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}
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resquest = urllib.request.Request(url, headers=head)
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html = ""
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try:
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response = urllib.request.urlopen(resquest)
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html = response.read().decode("utf-8")
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print(html)
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except urllib.error.URLError as e:
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if hasattr(e, "code"):
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print(e.code)
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if hasattr(e, "reason"):
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print(e.reason)
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return html
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def getData2(baseurl):
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datalist = [] #将获得的数据装于datalist这个列表
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html = askURL1(baseurl)
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soup = BeautifulSoup(html,"html.parser") #解析
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for item in soup.find_all('li',class_= "list-item"):
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print(item) #一个测试点
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data = [] #将每一部电影的具体信息装入data列表
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item = str(item)
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link = re.findall(findnowmovielink,item)[0]
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data.append(link)
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img = re.findall(findnowmovieimg,item)[0]
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data.append(img)
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title = re.findall(findnowmovietitle,item)[0]
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data.append(title)
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director = re.findall(findnowmoviedirector, item)[0]
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data.append(director)
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actors = re.findall(findnowmovieactors,item)[0]
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data.append(actors)
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time = re.findall(findnowmovietime, item)[0]
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data.append(time)
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region = re.findall(findnowmovieregion, item)[0]
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data.append(region)
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id = re.findall(findnowmovieid,item)[0]
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data.append(id)
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datalist.append(data) #将data列表装入datalist列表
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print(datalist)
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return datalist
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def saveData2(datalist,savepath):
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print("save...")
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book = xlwt.Workbook(encoding="utf-8",style_compression=0)
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sheet = book.add_sheet("豆瓣电影Top250",cell_overwrite_ok=True)
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col = ("电影详情链接","图片链接","影片中文名字","导演","演员","时长","制片地区","电影id")
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for i in range(0,8):
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sheet.write(0,i,col[i])
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for i in range(len(datalist)):
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print("第%d条"%(i+1))
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data = datalist[i]
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for j in range(0,8):
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sheet.write(i,j,data[j])
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book.save("citymovie.xls")
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if __name__ == "__main__":
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main()
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print("爬取完成!")
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