import urllib.request
from bs4 import BeautifulSoup
import csv
import re
def openlink(link):
    maxTryNum=20 
    for tries in range(maxTryNum): 
        try: 
            response = urllib.request.urlopen(link).read().decode('utf-8') 
            return response 
        except: 
            if tries < (maxTryNum-1): 
                continue 
            else: 
                print("Has tried %d times to access url %s, all failed!", maxTryNum, link)
                return None
                break


cityurl='http://hotels.ctrip.com/jiudian/neimenggu'
cityhtml = openlink(cityurl)
citysoup = BeautifulSoup(cityhtml, 'html.parser')

city_list = citysoup.find_all('ul', attrs={"class":"p_n_list grid_8"})
citysoup1 = BeautifulSoup(str(city_list), 'html.parser')
city_list1 = citysoup1.find_all('a', attrs={"href":True})
city_id=[]
for city in city_list1:
    city_id1 = city['href']
    city_id.append(city_id1)
print(city_id)     


for cityid in city_id[13:14]:
    cityname=re.findall(r"/([a-z]+?)[0-9]",cityid)
    csvFile2 = open('Hotel'+str(cityname)+'.csv','w', newline='',encoding='utf-8-sig') # 设置newline，否则两行之间会空一行
    writer = csv.writer(csvFile2)
    data1=['所属盟市', '所属旗县', '酒店名称', '星级', '房间数', '开业年份', '地址', '联系方式']
    data=[data1]
    m = len(data)
    for i in range(m):
        writer.writerow(data[i])
    print('programbegin..................................................................')
    pagecounturl='http://hotels.ctrip.com'+cityid
    print(pagecounturl)
    pagecounthtml = openlink(pagecounturl)
        #1.获取酒店名称信息
    pagecountsoup = BeautifulSoup(pagecounthtml,'html.parser')
    page_count = pagecountsoup.find_all(attrs={"data-pagecount":True})
    for count in page_count:
        pagecount=count['data-pagecount']
    print(pagecount)
    
    for k in range(1,int(pagecount)+1):
        print("***正在抓取第"+str(k)+"页********")
        pageurl=''
        hotel_id=[]
        pageurl='http://hotels.ctrip.com'+cityid+'/p'+str(k)

        print(pageurl)
        paghtml=openlink(pageurl)

        #1.获取酒店名称信息
        if paghtml==None:
            with open('Pageerror.txt', 'a+') as f:
                f.write(pageurl+'\n')
            continue
        pagesoup = BeautifulSoup(paghtml,'html.parser')
        hotel_list = pagesoup.find_all("h2",attrs={"data-id":True})
        for hotel in hotel_list:
            hotel_id1=hotel['data-id']
            hotel_id.append(hotel_id1)
        print("hotel_id是...............................................................:")
        print(hotel_id,len(hotel_id)+1)
        
        result=[]
        for i in range(1,len(hotel_id)+1):
            url1=''
            result0=[]
    # url1='http://hotels.ctrip.com/hotel/'+hotel_id[i-1]+'.html?isFull=F#ctm_ref=hod_sr_lst_dl_n_'+str(k)+'_'+str(i)  #为爬取的当前页面的网址，
        #num[i]为每个页面网址id，'.html?isFull=F#ctm_ref=hod_sr_lst_dl_n_2_'需要修改2为3，4，等等，#str（i）是个数
            url1='http://hotels.ctrip.com/hotel/'+hotel_id[i-1]+'.html?isFull=F'
            print(url1)
            html1 = openlink(url1)
            #1.获取酒店名称信息
            if html1==None:
                with open('Hotelerror.txt', 'a+') as f1:
                    f.write(url1+'\n')
                continue
            soup1 = BeautifulSoup(html1,'html.parser')
            print("soup1是：")
            result1 = soup1.find_all('h1')
            print("result1是：")
            print(result1)
            hotelName = result1[0].string
            print("酒店名称为:{}".format(hotelName))
            print(i)
        #2.获取酒店位置
            soup12 = BeautifulSoup(html1,'html.parser')
            result12 = soup12.find_all(attrs={"class":"adress"})
            hotelAdress_m = result12[0].get_text().split('\n')[1] 
            hotelAdress_q = result12[0].get_text().split('\n')[2] 
            hotelAdress_a = result12[0].get_text().split('\n')[3] 
            print("酒店所属盟市为:{}".format(hotelAdress_m))
            print("酒店所属旗县为:{}".format(hotelAdress_q))
            print("酒店地址为:{}".format(hotelAdress_a))
        #3.获取酒店房间数
            soup13 = BeautifulSoup(html1,'html.parser')
            result13 = soup13.find_all(attrs={"class":"htl_room_txt text_3l"})
            result13 =str(result13)
            soup14 = BeautifulSoup(result13,'html.parser')
            result14 = soup14.find_all('p')
            print(result14[0].get_text().strip().split('\n')[0].split('\xa0\xa0'))
            hotel_inform=result14[0].get_text().strip().split('\n')[0]
            regex_str1 = ".*?([0-9]+年开业)"
            regex_str2 = ".*?([0-9]+间房)"
            match_obj1 = re.match(regex_str1,str(hotel_inform))
            match_obj2 = re.match(regex_str2,str(hotel_inform))
            if match_obj1:
                hotelStartbussi = match_obj1.group(1)[:-3]
                print("酒店开业年份为:{}".format(hotelStartbussi))
            else:
                hotelStartbussi ="无"
                print("酒店开业年份为:{}".format(hotelStartbussi))
            
            match_ob2 = re.match(regex_str2,str(hotel_inform))
            if match_obj2:
                hotelRoomnum = match_obj2.group(1)[:-2]
                print("酒店房间数为:{}".format(hotelRoomnum))
            else:
                hotelRoomnum ="无"
                print("酒店开业年份为:{}".format(hotelStartbussi))
        # 4.获取酒店床位数
                    
        # 5.获取酒店电话
            result15 = soup14.find_all('span')
            if 'data-real' in str(result15[0]):
                hotelContacter=result15[0]['data-real'].split('<a')[0].strip().split(' ')[0][2:]
                print("酒店联系方式为:{}".format(hotelContacter))
            else:
                hotelContacter='无'
                print("酒店联系方式为:{}".format(hotelContacter))
        # 6.星级
            soup16 = BeautifulSoup(html1,'html.parser')
            result16 = soup16.find_all(attrs={"class":"grade"})
            result16 =str(result16)
            soup17 = BeautifulSoup(result16,'html.parser')
            result17 = soup17.find_all('span')
            if 'title' in str(result17[0]):
                hotelStar = result17[0]['title']
                print("酒店星级为:{}".format(hotelStar))   
            else:
                hotelStar ='无'
                print("酒店星级为:{}".format(hotelStar))
            result0=[format(hotelAdress_m),format(hotelAdress_q),format(hotelName),format(hotelStar),format(hotelRoomnum),format(hotelStartbussi),format(hotelAdress_a),format(hotelContacter)]
            result.append(result0)
        for j in  range(0,len(result)):
            data1=[result[j]]
            m1 = len(data1)
            for j1 in range(m1):
                writer.writerow(data1[j1])
    csvFile2.close()
print('programend...............................................................')