摘要:前兩天有人私信我,讓我爬這個網站,上的失蹤兒童信息,準備根據失蹤兒童的失蹤時的地理位置來更好的尋找失蹤兒童,這種事情本就應該義不容辭如果對網站服務器造成負荷,還請諒解。這次依然是用第三方爬蟲包,還有,來爬取信息。
前兩天有人私信我,讓我爬這個網站,http://bbs.baobeihuijia.com/f...上的失蹤兒童信息,準備根據失蹤兒童的失蹤時的地理位置來更好的尋找失蹤兒童,這種事情本就應該義不容辭,如果對網站服務器造成負荷,還請諒解。
這次依然是用第三方爬蟲包BeautifulSoup,還有Selenium+Chrome,Selenium+PhantomJS來爬取信息。
通過分析網站的框架,依然分三步來進行。
步驟一:獲取http://bbs.baobeihuijia.com/f...這個版塊上的所有分頁頁面鏈接
步驟二:獲取每一個分頁鏈接上所發的帖子的鏈接
步驟三:獲取每一個帖子鏈接上要爬取的信息,編號,姓名,性別,出生日期,失蹤時身高,失蹤時間,失蹤地點,以及是否報案
起先用的BeautifulSoup,但是被管理員設置了網站重定向,然后就采用selenium的方式,在這里還是對網站管理員說一聲抱歉。
1、獲取http://bbs.baobeihuijia.com/f...這個版塊上的所有分頁頁面鏈接
通過分析:發現分頁的頁面鏈接處于
</>復制代碼
[python]?view plain?copy
1.def?GetALLPageUrl(siteUrl):??
2.????#設置代理IP訪問??
3.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
4.????proxy_handler=urllib.request.ProxyHandler({"https":"111.76.129.200:808"})??
5.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
6.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
7.????urllib.request.install_opener(opener)??
8.????#獲取網頁信息??
9.????req=request.Request(siteUrl,headers=headers1?or?headers2?or?headers3)??
10.????html=urlopen(req)??
11.????bsObj=BeautifulSoup(html.read(),"html.parser")??
12.????html.close()??
13.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成頁面鏈接??
14.????siteindex=siteUrl.rfind("/")??
15.????tempsiteurl=siteUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
16.????tempbianhaoqian=siteUrl[siteindex+1:-6]#forum-191-??
17.??
18.????#爬取想要的信息??
19.????bianhao=[]#存儲頁面編號??
20.????pageUrl=[]#存儲頁面鏈接??
21.????templist1=bsObj.find("div",{"class":"pg"})??
22.????for?templist2?in?templist1.findAll("a",href=re.compile("forum-([0-9]+)-([0-9]+).html")):??
23.????????lianjie=templist2.attrs["href"]??
24.????????#print(lianjie)??
25.????????index1=lianjie.rfind("-")#查找-在字符串中的位置??
26.????????index2=lianjie.rfind(".")#查找.在字符串中的位置??
27.????????tempbianhao=lianjie[index1+1:index2]??
28.????????bianhao.append(int(tempbianhao))??
29.????bianhaoMax=max(bianhao)#獲取頁面的最大編號??
30.??
31.????for?i?in?range(1,bianhaoMax+1):??
32.????????temppageUrl=tempsiteurl+tempbianhaoqian+str(i)+".html"#組成頁面鏈接??
33.????????#print(temppageUrl)??
34.????????pageUrl.append(temppageUrl)??
35.????return?pageUrl#返回頁面鏈接列表??
Selenium形式:
[python]?view plain?copy
1.#得到當前板塊所有的頁面鏈接??
2.#siteUrl為當前版塊的頁面鏈接??
3.def?GetALLPageUrl(siteUrl):??
4.????#設置代理IP訪問??
5.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
6.????proxy_handler=urllib.request.ProxyHandler({"post":"123.207.143.51:8080"})??
7.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
8.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
9.????urllib.request.install_opener(opener)??
10.??
11.????try:??
12.????????#掉用第三方包selenium打開瀏覽器登陸??
13.????????#driver=webdriver.Chrome()#打開chrome??
14.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
15.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
16.???????driver.set_page_load_timeout(10)??
17.???????#driver.implicitly_wait(30)??
18.???????try:??
19.???????????driver.get(siteUrl)#登陸兩次??
20.???????????driver.get(siteUrl)??
21.???????except?TimeoutError:??
22.???????????driver.refresh()??
23.??
24.???????#print(driver.page_source)??
25.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
26.????????#獲取網頁信息??
27.????#抓捕網頁解析過程中的錯誤??
28.???????try:??
29.???????????#req=request.Request(tieziUrl,headers=headers5)??
30.???????????#html=urlopen(req)??
31.???????????bsObj=BeautifulSoup(html,"html.parser")??
32.???????????#print(bsObj.find("title").get_text())??
33.???????????#html.close()??
34.???????except?UnicodeDecodeError?as?e:??
35.???????????print("-----UnicodeDecodeError?url",siteUrl)??
36.???????except?urllib.error.URLError?as?e:??
37.???????????print("-----urlError?url:",siteUrl)??
38.???????except?socket.timeout?as?e:??
39.???????????print("-----socket?timout:",siteUrl)??
40.??
41.??
42.??
43.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
44.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
45.???????????driver.get(siteUrl)??
46.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
47.???????????bsObj=BeautifulSoup(html,"html.parser")??
48.????except?Exception?as?e:??
49.??
50.????????driver.close()?#?Close?the?current?window.??
51.????????driver.quit()#關閉chrome瀏覽器??
52.????????#time.sleep()??
53.??
54.????driver.close()?#?Close?the?current?window.??
55.????driver.quit()#關閉chrome瀏覽器??
56.??
57.??
58.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成頁面鏈接??
59.????siteindex=siteUrl.rfind("/")??
60.????tempsiteurl=siteUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
61.????tempbianhaoqian=siteUrl[siteindex+1:-6]#forum-191-??
62.??
63.????#爬取想要的信息??
64.????bianhao=[]#存儲頁面編號??
65.????pageUrl=[]#存儲頁面鏈接??
66.??
67.????templist1=bsObj.find("div",{"class":"pg"})??
68.????#if?templist1==None:??
69.????????#return??
70.????for?templist2?in?templist1.findAll("a",href=re.compile("forum-([0-9]+)-([0-9]+).html")):??
71.????????if?templist2==None:??
72.????????????continue??
73.????????lianjie=templist2.attrs["href"]??
74.????????#print(lianjie)??
75.????????index1=lianjie.rfind("-")#查找-在字符串中的位置??
76.????????index2=lianjie.rfind(".")#查找.在字符串中的位置??
77.????????tempbianhao=lianjie[index1+1:index2]??
78.????????bianhao.append(int(tempbianhao))??
79.????bianhaoMax=max(bianhao)#獲取頁面的最大編號??
80.??
81.????for?i?in?range(1,bianhaoMax+1):??
82.????????temppageUrl=tempsiteurl+tempbianhaoqian+str(i)+".html"#組成頁面鏈接??
83.????????print(temppageUrl)??
84.????????pageUrl.append(temppageUrl)??
85.????return?pageUrl#返回頁面鏈接列表??
2.獲取每一個分頁鏈接上所發的帖子的鏈接
每個帖子的鏈接都位于href下
所以寫了以下的代碼:
BeautifulSoup形式:
</>復制代碼
[python]?view plain?copy
1.#得到當前版塊頁面所有帖子的鏈接??
2.def?GetCurrentPageTieziUrl(PageUrl):??
3.????#設置代理IP訪問??
4.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
5.????proxy_handler=urllib.request.ProxyHandler({"post":"121.22.252.85:8000"})??
6.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
7.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
8.????urllib.request.install_opener(opener)??
9.????#獲取網頁信息??
10.????req=request.Request(PageUrl,headers=headers1?or?headers2?or?headers3)??
11.????html=urlopen(req)??
12.????bsObj=BeautifulSoup(html.read(),"html.parser")??
13.????html.close()??
14.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成帖子鏈接??
15.????siteindex=PageUrl.rfind("/")??
16.????tempsiteurl=PageUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
17.????#print(tempsiteurl)??
18.????TieziUrl=[]??
19.????#爬取想要的信息??
20.????for?templist1?in?bsObj.findAll("tbody",id=re.compile("normalthread_([0-9]+)"))?:??
21.????????for?templist2?in?templist1.findAll("a",{"class":"s?xst"}):??
22.????????????tempteiziUrl=tempsiteurl+templist2.attrs["href"]#組成帖子鏈接??
23.????????????print(tempteiziUrl)??
24.????????????TieziUrl.append(tempteiziUrl)??
25.????return?TieziUrl#返回帖子鏈接列表??
Selenium形式:
[python]?view plain?copy
1.#得到當前版塊頁面所有帖子的鏈接??
2.def?GetCurrentPageTieziUrl(PageUrl):??
3.????#設置代理IP訪問??
4.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
5.????proxy_handler=urllib.request.ProxyHandler({"post":"110.73.30.157:8123"})??
6.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
7.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
8.????urllib.request.install_opener(opener)??
9.??
10.????try:??
11.????????#掉用第三方包selenium打開瀏覽器登陸??
12.????????#driver=webdriver.Chrome()#打開chrome??
13.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
14.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
15.???????driver.set_page_load_timeout(10)??
16.???????try:??
17.???????????driver.get(PageUrl)#登陸兩次??
18.???????????driver.get(PageUrl)??
19.???????except?TimeoutError:??
20.???????????driver.refresh()??
21.??
22.???????#print(driver.page_source)??
23.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
24.????????#獲取網頁信息??
25.????#抓捕網頁解析過程中的錯誤??
26.???????try:??
27.???????????#req=request.Request(tieziUrl,headers=headers5)??
28.???????????#html=urlopen(req)??
29.???????????bsObj=BeautifulSoup(html,"html.parser")??
30.???????????#html.close()??
31.???????except?UnicodeDecodeError?as?e:??
32.???????????print("-----UnicodeDecodeError?url",PageUrl)??
33.???????except?urllib.error.URLError?as?e:??
34.???????????print("-----urlError?url:",PageUrl)??
35.???????except?socket.timeout?as?e:??
36.???????????print("-----socket?timout:",PageUrl)??
37.??
38.???????n=0??
39.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
40.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
41.???????????driver.get(PageUrl)??
42.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
43.???????????bsObj=BeautifulSoup(html,"html.parser")??
44.???????????n=n+1??
45.???????????if?n==10:??
46.???????????????driver.close()?#?Close?the?current?window.??
47.???????????????driver.quit()#關閉chrome瀏覽器??
48.???????????????return?1??
49.??
50.????except?Exception?as?e:??
51.????????driver.close()?#?Close?the?current?window.??
52.????????driver.quit()#關閉chrome瀏覽器??
53.????????time.sleep(1)??
54.??
55.????driver.close()?#?Close?the?current?window.??
56.????driver.quit()#關閉chrome瀏覽器??
57.??
58.??
59.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成帖子鏈接??
60.????siteindex=PageUrl.rfind("/")??
61.????tempsiteurl=PageUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
62.????#print(tempsiteurl)??
63.????TieziUrl=[]??
64.????#爬取想要的信息??
65.????for?templist1?in?bsObj.findAll("tbody",id=re.compile("normalthread_([0-9]+)"))?:??
66.????????if?templist1==None:??
67.????????????continue??
68.????????for?templist2?in?templist1.findAll("a",{"class":"s?xst"}):??
69.????????????if?templist2==None:??
70.????????????????continue??
71.????????????tempteiziUrl=tempsiteurl+templist2.attrs["href"]#組成帖子鏈接??
72.????????????print(tempteiziUrl)??
73.????????????TieziUrl.append(tempteiziUrl)??
74.????return?TieziUrl#返回帖子鏈接列表??
3.獲取每一個帖子鏈接上要爬取的信息,編號,姓名,性別,出生日期,失蹤時身高,失蹤時間,失蹤地點,以及是否報案,并寫入CSV中
通過查看每一個帖子的鏈接,發現其失蹤人口信息都在
</>復制代碼
[python]?view plain?copy
1.#得到當前頁面失蹤人口信息??
2.#pageUrl為當前帖子頁面鏈接??
3.def?CurrentPageMissingPopulationInformation(tieziUrl):??
4.????#設置代理IP訪問??
5.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
6.????proxy_handler=urllib.request.ProxyHandler({"post":"210.136.17.78:8080"})??
7.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
8.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
9.????urllib.request.install_opener(opener)??
10.????#獲取網頁信息??
11.????req=request.Request(tieziUrl,headers=headers1?or?headers2?or?headers3)??
12.????html=urlopen(req)??
13.????bsObj=BeautifulSoup(html.read(),"html.parser")??
14.????html.close()??
15.????#查找想要的信息??
16.????templist1=bsObj.find("td",{"class":"t_f"}).ul??
17.????if?templist1==None:#判斷是否不包含ul字段,如果不,跳出函數??
18.????????return??
19.????mycsv=["NULL","NULL","NULL","NULL","NULL","NULL","NULL","NULL"]#初始化提取信息列表??
20.????for?templist2?in?templist1.findAll("font",size=re.compile("^([0-9]+)*$")):??
21.????????if?len(templist2)==0:??
22.????????????continue??
23.????????tempText=templist2.get_text()??
24.????????#print(tempText[0:4])??
25.????????if?"寶貝回家編號"?in?tempText[0:6]:??
26.????????????print(tempText)??
27.????????????index=tempText.find(":")??
28.????????????tempText=tempText[index+1:]??
29.????????????#mycsv.append(tempText)??
30.????????????if?len(tempText)==0:??
31.????????????????tempText="NULL"??
32.????????????mycsv[0]=tempText??
33.????????if?"尋親編號"?in?tempText[0:6]:??
34.????????????print(tempText)??
35.????????????index=tempText.find(":")??
36.????????????tempText=tempText[index+1:]??
37.????????????if?len(tempText)==0:??
38.????????????????tempText="NULL"??
39.????????????#mycsv.append(tempText)??
40.????????????mycsv[0]=tempText??
41.????????if?"登記編號"?in?tempText[0:6]:??
42.????????????print(tempText)??
43.????????????index=tempText.find(":")??
44.????????????tempText=tempText[index+1:]??
45.????????????if?len(tempText)==0:??
46.????????????????tempText="NULL"??
47.????????????#mycsv.append(tempText)??
48.????????????mycsv[0]=tempText??
49.????????if?"姓"?in?tempText[0:6]:??
50.????????????print(tempText)??
51.????????????index=tempText.find(":")??
52.????????????tempText=tempText[index+1:]??
53.????????????#mycsv.append(tempText)??
54.????????????mycsv[1]=tempText??
55.????????if"性"?in?tempText[0:6]:??
56.????????????print(tempText)??
57.????????????index=tempText.find(":")??
58.????????????tempText=tempText[index+1:]??
59.????????????#mycsv.append(tempText)??
60.????????????mycsv[2]=tempText??
61.????????if?"出生日期"?in?tempText[0:6]:??
62.????????????print(tempText)??
63.????????????index=tempText.find(":")??
64.????????????tempText=tempText[index+1:]??
65.????????????#mycsv.append(tempText)??
66.????????????mycsv[3]=tempText??
67.????????if?"失蹤時身高"?in?tempText[0:6]:??
68.????????????print(tempText)??
69.????????????index=tempText.find(":")??
70.????????????tempText=tempText[index+1:]??
71.????????????#mycsv.append(tempText)??
72.????????????mycsv[4]=tempText??
73.????????if?"失蹤時間"?in?tempText[0:6]:??
74.????????????print(tempText)??
75.????????????index=tempText.find(":")??
76.????????????tempText=tempText[index+1:]??
77.????????????#mycsv.append(tempText)??
78.????????????mycsv[5]=tempText??
79.????????if?"失蹤日期"?in?tempText[0:6]:??
80.????????????print(tempText)??
81.????????????index=tempText.find(":")??
82.????????????tempText=tempText[index+1:]??
83.????????????#mycsv.append(tempText)??
84.????????????mycsv[5]=tempText??
85.????????if?"失蹤地點"?in?tempText[0:6]:??
86.????????????print(tempText)??
87.????????????index=tempText.find(":")??
88.????????????tempText=tempText[index+1:]??
89.????????????#mycsv.append(tempText)??
90.????????????mycsv[6]=tempText??
91.????????if?"是否報案"?in?tempText[0:6]:??
92.????????????print(tempText)??
93.????????????index=tempText.find(":")??
94.????????????tempText=tempText[index+1:]??
95.????????????#mycsv.append(tempText)??
96.????????????mycsv[7]=tempText??
97.????try:??
98.????????writer.writerow((str(mycsv[0]),str(mycsv[1]),str(mycsv[2]),str(mycsv[3]),str(mycsv[4]),str(mycsv[5]),str(mycsv[6]),str(mycsv[7])))#寫入CSV文件??
99.????finally:??
100.????????time.sleep(1)#設置爬完之后的睡眠時間,這里先設置為1秒?
?
Selenium形式:
</>復制代碼
[python]?view plain?copy
1.#得到當前頁面失蹤人口信息??
2.#pageUrl為當前帖子頁面鏈接??
3.def?CurrentPageMissingPopulationInformation(tieziUrl):??
4.????#設置代理IP訪問??
5.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
6.????proxy_handler=urllib.request.ProxyHandler({"post":"128.199.169.17:80"})??
7.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
8.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
9.????urllib.request.install_opener(opener)??
10.??
11.????try:??
12.????????#掉用第三方包selenium打開瀏覽器登陸??
13.????????#driver=webdriver.Chrome()#打開chrome??
14.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
15.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
16.???????driver.set_page_load_timeout(10)??
17.???????#driver.implicitly_wait(30)??
18.???????try:??
19.???????????driver.get(tieziUrl)#登陸兩次??
20.???????????driver.get(tieziUrl)??
21.???????except?TimeoutError:??
22.???????????driver.refresh()??
23.??
24.???????#print(driver.page_source)??
25.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
26.????????#獲取網頁信息??
27.????#抓捕網頁解析過程中的錯誤??
28.???????try:??
29.???????????#req=request.Request(tieziUrl,headers=headers5)??
30.???????????#html=urlopen(req)??
31.???????????bsObj=BeautifulSoup(html,"html.parser")??
32.???????????#html.close()??
33.???????except?UnicodeDecodeError?as?e:??
34.???????????print("-----UnicodeDecodeError?url",tieziUrl)??
35.???????except?urllib.error.URLError?as?e:??
36.???????????print("-----urlError?url:",tieziUrl)??
37.???????except?socket.timeout?as?e:??
38.???????????print("-----socket?timout:",tieziUrl)??
39.??
40.??
41.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
42.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
43.???????????driver.get(tieziUrl)??
44.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
45.???????????bsObj=BeautifulSoup(html,"html.parser")??
46.????except?Exception?as?e:??
47.????????driver.close()?#?Close?the?current?window.??
48.????????driver.quit()#關閉chrome瀏覽器??
49.????????time.sleep(0.5)??
50.??
51.????driver.close()?#?Close?the?current?window.??
52.????driver.quit()#關閉chrome瀏覽器??
53.??
54.??
55.????#查找想要的信息??
56.????templist1=bsObj.find("td",{"class":"t_f"}).ul??
57.????if?templist1==None:#判斷是否不包含ul字段,如果不,跳出函數??
58.????????print("當前帖子頁面不包含ul字段")??
59.????????return?1??
60.????mycsv=["NULL","NULL","NULL","NULL","NULL","NULL","NULL","NULL"]#初始化提取信息列表??
61.????for?templist2?in?templist1.findAll("font",size=re.compile("^([0-9]+)*$")):??
62.????????tempText=templist2.get_text()??
63.????????#print(tempText[0:4])??
64.????????if?"寶貝回家編號"?in?tempText[0:6]:??
65.????????????print(tempText)??
66.????????????index=tempText.find(":")??
67.????????????tempText=tempText[index+1:]??
68.????????????#mycsv.append(tempText)??
69.????????????if?len(tempText)==0:??
70.????????????????tempText="NULL"??
71.????????????mycsv[0]=tempText??
72.????????if?"尋親編號"?in?tempText[0:6]:??
73.????????????print(tempText)??
74.????????????index=tempText.find(":")??
75.????????????tempText=tempText[index+1:]??
76.????????????if?len(tempText)==0:??
77.????????????????tempText="NULL"??
78.????????????#mycsv.append(tempText)??
79.????????????mycsv[0]=tempText??
80.????????if?"登記編號"?in?tempText[0:6]:??
81.????????????print(tempText)??
82.????????????index=tempText.find(":")??
83.????????????tempText=tempText[index+1:]??
84.????????????if?len(tempText)==0:??
85.????????????????tempText="NULL"??
86.????????????#mycsv.append(tempText)??
87.????????????mycsv[0]=tempText??
88.????????if?"姓"?in?tempText[0:6]:??
89.????????????print(tempText)??
90.????????????index=tempText.find(":")??
91.????????????tempText=tempText[index+1:]??
92.????????????#mycsv.append(tempText)??
93.????????????mycsv[1]=tempText??
94.????????if"性"?in?tempText[0:6]:??
95.????????????print(tempText)??
96.????????????index=tempText.find(":")??
97.????????????tempText=tempText[index+1:]??
98.????????????#mycsv.append(tempText)??
99.????????????mycsv[2]=tempText??
100.????????if?"出生日期"?in?tempText[0:6]:??
101.????????????print(tempText)??
102.????????????index=tempText.find(":")??
103.????????????tempText=tempText[index+1:]??
104.????????????#mycsv.append(tempText)??
105.????????????mycsv[3]=tempText??
106.????????if?"失蹤時身高"?in?tempText[0:6]:??
107.????????????print(tempText)??
108.????????????index=tempText.find(":")??
109.????????????tempText=tempText[index+1:]??
110.????????????#mycsv.append(tempText)??
111.????????????mycsv[4]=tempText??
112.????????if?"失蹤時間"?in?tempText[0:6]:??
113.????????????print(tempText)??
114.????????????index=tempText.find(":")??
115.????????????tempText=tempText[index+1:]??
116.????????????#mycsv.append(tempText)??
117.????????????mycsv[5]=tempText??
118.????????if?"失蹤日期"?in?tempText[0:6]:??
119.????????????print(tempText)??
120.????????????index=tempText.find(":")??
121.????????????tempText=tempText[index+1:]??
122.????????????#mycsv.append(tempText)??
123.????????????mycsv[5]=tempText??
124.????????if?"失蹤地點"?in?tempText[0:6]:??
125.????????????print(tempText)??
126.????????????index=tempText.find(":")??
127.????????????tempText=tempText[index+1:]??
128.????????????#mycsv.append(tempText)??
129.????????????mycsv[6]=tempText??
130.????????if?"是否報案"?in?tempText[0:6]:??
131.????????????print(tempText)??
132.????????????index=tempText.find(":")??
133.????????????tempText=tempText[index+1:]??
134.????????????#mycsv.append(tempText)??
135.????????????mycsv[7]=tempText??
136.????try:??
137.????????writer.writerow((str(mycsv[0]),str(mycsv[1]),str(mycsv[2]),str(mycsv[3]),str(mycsv[4]),str(mycsv[5]),str(mycsv[6]),str(mycsv[7])))#寫入CSV文件??
138.????????csvfile.flush()#馬上將這條數據寫入csv文件中??
139.????finally:??
140.????????print("當前帖子信息寫入完成
")??
141.????????time.sleep(5)#設置爬完之后的睡眠時間,這里先設置為1秒??
現附上所有代碼,此代碼僅供參考,不能用于商業用途,網絡爬蟲易給網站服務器造成巨大負荷,任何人使用本代碼所引起的任何后果,本人不予承擔法律責任。貼出代碼的初衷是供大家學習爬蟲,大家只是研究下網絡框架即可,不要使用此代碼去加重網站負荷,本人由于不當使用,已被封IP,前車之鑒,爬取失蹤人口信息只是為了從空間上分析人口失蹤的規律,由此給網站造成的什么不便,請見諒。
附上所有代碼:
</>復制代碼
[python]?view plain?copy
1.#__author__?=?"Administrator"??
2.#coding=utf-8??
3.import?io??
4.import?os??
5.import?sys??
6.import?math??
7.import?urllib??
8.from?urllib.request?import??urlopen??
9.from?urllib.request?import?urlretrieve??
10.from?urllib??import?request??
11.from?bs4?import?BeautifulSoup??
12.import?re??
13.import?time??
14.import?socket??
15.import?csv??
16.from?selenium?import?webdriver??
17.??
18.socket.setdefaulttimeout(5000)#設置全局超時函數??
19.??
20.??
21.??
22.sys.stdout?=?io.TextIOWrapper(sys.stdout.buffer,encoding="gb18030")??
23.#sys.stdout?=?io.TextIOWrapper(sys.stdout.buffer,encoding="utf-8")??
24.#設置不同的headers,偽裝為不同的瀏覽器??
25.headers1={"User-Agent":"Mozilla/5.0?(Windows?NT?6.1;?WOW64;?rv:23.0)?Gecko/20100101?Firefox/23.0"}??
26.headers2={"User-Agent":"Mozilla/5.0?(Windows?NT?6.3;?WOW64)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/45.0.2454.101?Safari/537.36"}??
27.headers3={"User-Agent":"Mozilla/5.0?(Windows?NT?6.1)?AppleWebKit/537.11?(KHTML,?like?Gecko)?Chrome/23.0.1271.64?Safari/537.11"}??
28.headers4={"User-Agent":"Mozilla/5.0?(Windows?NT?10.0;?WOW64)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/53.0.2785.104?Safari/537.36?Core/1.53.2372.400?QQBrowser/9.5.10548.400"}??
29.headers5={"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",??
30."Connection":"keep-alive",??
31."Host":"bbs.baobeihuijia.com",??
32."Referer":"http://bbs.baobeihuijia.com/forum-191-1.html",??
33."Upgrade-Insecure-Requests":"1",??
34."User-Agent":"Mozilla/5.0?(Windows?NT?6.1;?WOW64)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/51.0.2704.103?Safari/537.36"}??
35.??
36.headers6={"Host":?"bbs.baobeihuijia.com",??
37."User-Agent":?"Mozilla/5.0?(Windows?NT?6.1;?WOW64;?rv:51.0)?Gecko/20100101?Firefox/51.0",??
38."Accept":?"textml,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",??
39."Connection":?"keep-alive",??
40."Upgrade-Insecure-Requests":"?1"??
41.}??
42.#得到當前頁面失蹤人口信息??
43.#pageUrl為當前帖子頁面鏈接??
44.def?CurrentPageMissingPopulationInformation(tieziUrl):??
45.????#設置代理IP訪問??
46.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
47.????proxy_handler=urllib.request.ProxyHandler({"post":"128.199.169.17:80"})??
48.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
49.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
50.????urllib.request.install_opener(opener)??
51.??
52.????try:??
53.????????#掉用第三方包selenium打開瀏覽器登陸??
54.????????#driver=webdriver.Chrome()#打開chrome??
55.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
56.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
57.???????driver.set_page_load_timeout(10)??
58.???????#driver.implicitly_wait(30)??
59.???????try:??
60.???????????driver.get(tieziUrl)#登陸兩次??
61.???????????driver.get(tieziUrl)??
62.???????except?TimeoutError:??
63.???????????driver.refresh()??
64.??
65.???????#print(driver.page_source)??
66.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
67.????????#獲取網頁信息??
68.????#抓捕網頁解析過程中的錯誤??
69.???????try:??
70.???????????#req=request.Request(tieziUrl,headers=headers5)??
71.???????????#html=urlopen(req)??
72.???????????bsObj=BeautifulSoup(html,"html.parser")??
73.???????????#html.close()??
74.???????except?UnicodeDecodeError?as?e:??
75.???????????print("-----UnicodeDecodeError?url",tieziUrl)??
76.???????except?urllib.error.URLError?as?e:??
77.???????????print("-----urlError?url:",tieziUrl)??
78.???????except?socket.timeout?as?e:??
79.???????????print("-----socket?timout:",tieziUrl)??
80.??
81.??
82.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
83.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
84.???????????driver.get(tieziUrl)??
85.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
86.???????????bsObj=BeautifulSoup(html,"html.parser")??
87.????except?Exception?as?e:??
88.????????driver.close()?#?Close?the?current?window.??
89.????????driver.quit()#關閉chrome瀏覽器??
90.????????time.sleep(0.5)??
91.??
92.????driver.close()?#?Close?the?current?window.??
93.????driver.quit()#關閉chrome瀏覽器??
94.??
95.??
96.????#查找想要的信息??
97.????templist1=bsObj.find("td",{"class":"t_f"}).ul??
98.????if?templist1==None:#判斷是否不包含ul字段,如果不,跳出函數??
99.????????print("當前帖子頁面不包含ul字段")??
100.????????return?1??
101.????mycsv=["NULL","NULL","NULL","NULL","NULL","NULL","NULL","NULL"]#初始化提取信息列表??
102.????for?templist2?in?templist1.findAll("font",size=re.compile("^([0-9]+)*$")):??
103.????????tempText=templist2.get_text()??
104.????????#print(tempText[0:4])??
105.????????if?"寶貝回家編號"?in?tempText[0:6]:??
106.????????????print(tempText)??
107.????????????index=tempText.find(":")??
108.????????????tempText=tempText[index+1:]??
109.????????????#mycsv.append(tempText)??
110.????????????if?len(tempText)==0:??
111.????????????????tempText="NULL"??
112.????????????mycsv[0]=tempText??
113.????????if?"尋親編號"?in?tempText[0:6]:??
114.????????????print(tempText)??
115.????????????index=tempText.find(":")??
116.????????????tempText=tempText[index+1:]??
117.????????????if?len(tempText)==0:??
118.????????????????tempText="NULL"??
119.????????????#mycsv.append(tempText)??
120.????????????mycsv[0]=tempText??
121.????????if?"登記編號"?in?tempText[0:6]:??
122.????????????print(tempText)??
123.????????????index=tempText.find(":")??
124.????????????tempText=tempText[index+1:]??
125.????????????if?len(tempText)==0:??
126.????????????????tempText="NULL"??
127.????????????#mycsv.append(tempText)??
128.????????????mycsv[0]=tempText??
129.????????if?"姓"?in?tempText[0:6]:??
130.????????????print(tempText)??
131.????????????index=tempText.find(":")??
132.????????????tempText=tempText[index+1:]??
133.????????????#mycsv.append(tempText)??
134.????????????mycsv[1]=tempText??
135.????????if"性"?in?tempText[0:6]:??
136.????????????print(tempText)??
137.????????????index=tempText.find(":")??
138.????????????tempText=tempText[index+1:]??
139.????????????#mycsv.append(tempText)??
140.????????????mycsv[2]=tempText??
141.????????if?"出生日期"?in?tempText[0:6]:??
142.????????????print(tempText)??
143.????????????index=tempText.find(":")??
144.????????????tempText=tempText[index+1:]??
145.????????????#mycsv.append(tempText)??
146.????????????mycsv[3]=tempText??
147.????????if?"失蹤時身高"?in?tempText[0:6]:??
148.????????????print(tempText)??
149.????????????index=tempText.find(":")??
150.????????????tempText=tempText[index+1:]??
151.????????????#mycsv.append(tempText)??
152.????????????mycsv[4]=tempText??
153.????????if?"失蹤時間"?in?tempText[0:6]:??
154.????????????print(tempText)??
155.????????????index=tempText.find(":")??
156.????????????tempText=tempText[index+1:]??
157.????????????#mycsv.append(tempText)??
158.????????????mycsv[5]=tempText??
159.????????if?"失蹤日期"?in?tempText[0:6]:??
160.????????????print(tempText)??
161.????????????index=tempText.find(":")??
162.????????????tempText=tempText[index+1:]??
163.????????????#mycsv.append(tempText)??
164.????????????mycsv[5]=tempText??
165.????????if?"失蹤地點"?in?tempText[0:6]:??
166.????????????print(tempText)??
167.????????????index=tempText.find(":")??
168.????????????tempText=tempText[index+1:]??
169.????????????#mycsv.append(tempText)??
170.????????????mycsv[6]=tempText??
171.????????if?"是否報案"?in?tempText[0:6]:??
172.????????????print(tempText)??
173.????????????index=tempText.find(":")??
174.????????????tempText=tempText[index+1:]??
175.????????????#mycsv.append(tempText)??
176.????????????mycsv[7]=tempText??
177.????try:??
178.????????writer.writerow((str(mycsv[0]),str(mycsv[1]),str(mycsv[2]),str(mycsv[3]),str(mycsv[4]),str(mycsv[5]),str(mycsv[6]),str(mycsv[7])))#寫入CSV文件??
179.????????csvfile.flush()#馬上將這條數據寫入csv文件中??
180.????finally:??
181.????????print("當前帖子信息寫入完成
")??
182.????????time.sleep(5)#設置爬完之后的睡眠時間,這里先設置為1秒??
183.??
184.??
185.#得到當前板塊所有的頁面鏈接??
186.#siteUrl為當前版塊的頁面鏈接??
187.def?GetALLPageUrl(siteUrl):??
188.????#設置代理IP訪問??
189.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
190.????proxy_handler=urllib.request.ProxyHandler({"post":"123.207.143.51:8080"})??
191.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
192.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
193.????urllib.request.install_opener(opener)??
194.??
195.????try:??
196.????????#掉用第三方包selenium打開瀏覽器登陸??
197.????????#driver=webdriver.Chrome()#打開chrome??
198.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
199.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
200.???????driver.set_page_load_timeout(10)??
201.???????#driver.implicitly_wait(30)??
202.???????try:??
203.???????????driver.get(siteUrl)#登陸兩次??
204.???????????driver.get(siteUrl)??
205.???????except?TimeoutError:??
206.???????????driver.refresh()??
207.??
208.???????#print(driver.page_source)??
209.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
210.????????#獲取網頁信息??
211.????#抓捕網頁解析過程中的錯誤??
212.???????try:??
213.???????????#req=request.Request(tieziUrl,headers=headers5)??
214.???????????#html=urlopen(req)??
215.???????????bsObj=BeautifulSoup(html,"html.parser")??
216.???????????#print(bsObj.find("title").get_text())??
217.???????????#html.close()??
218.???????except?UnicodeDecodeError?as?e:??
219.???????????print("-----UnicodeDecodeError?url",siteUrl)??
220.???????except?urllib.error.URLError?as?e:??
221.???????????print("-----urlError?url:",siteUrl)??
222.???????except?socket.timeout?as?e:??
223.???????????print("-----socket?timout:",siteUrl)??
224.??
225.??
226.??
227.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
228.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
229.???????????driver.get(siteUrl)??
230.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
231.???????????bsObj=BeautifulSoup(html,"html.parser")??
232.????except?Exception?as?e:??
233.??
234.????????driver.close()?#?Close?the?current?window.??
235.????????driver.quit()#關閉chrome瀏覽器??
236.????????#time.sleep()??
237.??
238.????driver.close()?#?Close?the?current?window.??
239.????driver.quit()#關閉chrome瀏覽器??
240.??
241.??
242.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成頁面鏈接??
243.????siteindex=siteUrl.rfind("/")??
244.????tempsiteurl=siteUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
245.????tempbianhaoqian=siteUrl[siteindex+1:-6]#forum-191-??
246.??
247.????#爬取想要的信息??
248.????bianhao=[]#存儲頁面編號??
249.????pageUrl=[]#存儲頁面鏈接??
250.??
251.????templist1=bsObj.find("div",{"class":"pg"})??
252.????#if?templist1==None:??
253.????????#return??
254.????for?templist2?in?templist1.findAll("a",href=re.compile("forum-([0-9]+)-([0-9]+).html")):??
255.????????if?templist2==None:??
256.????????????continue??
257.????????lianjie=templist2.attrs["href"]??
258.????????#print(lianjie)??
259.????????index1=lianjie.rfind("-")#查找-在字符串中的位置??
260.????????index2=lianjie.rfind(".")#查找.在字符串中的位置??
261.????????tempbianhao=lianjie[index1+1:index2]??
262.????????bianhao.append(int(tempbianhao))??
263.????bianhaoMax=max(bianhao)#獲取頁面的最大編號??
264.??
265.????for?i?in?range(1,bianhaoMax+1):??
266.????????temppageUrl=tempsiteurl+tempbianhaoqian+str(i)+".html"#組成頁面鏈接??
267.????????print(temppageUrl)??
268.????????pageUrl.append(temppageUrl)??
269.????return?pageUrl#返回頁面鏈接列表??
270.??
271.#得到當前版塊頁面所有帖子的鏈接??
272.def?GetCurrentPageTieziUrl(PageUrl):??
273.????#設置代理IP訪問??
274.????#代理IP可以上http://http.zhimaruanjian.com/獲取??
275.????proxy_handler=urllib.request.ProxyHandler({"post":"110.73.30.157:8123"})??
276.????proxy_auth_handler=urllib.request.ProxyBasicAuthHandler()??
277.????opener?=?urllib.request.build_opener(urllib.request.HTTPHandler,?proxy_handler)??
278.????urllib.request.install_opener(opener)??
279.??
280.????try:??
281.????????#掉用第三方包selenium打開瀏覽器登陸??
282.????????#driver=webdriver.Chrome()#打開chrome??
283.???????driver=webdriver.Chrome()#打開無界面瀏覽器Chrome??
284.???????#driver=webdriver.PhantomJS()#打開無界面瀏覽器PhantomJS??
285.???????driver.set_page_load_timeout(10)??
286.???????try:??
287.???????????driver.get(PageUrl)#登陸兩次??
288.???????????driver.get(PageUrl)??
289.???????except?TimeoutError:??
290.???????????driver.refresh()??
291.??
292.???????#print(driver.page_source)??
293.???????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
294.????????#獲取網頁信息??
295.????#抓捕網頁解析過程中的錯誤??
296.???????try:??
297.???????????#req=request.Request(tieziUrl,headers=headers5)??
298.???????????#html=urlopen(req)??
299.???????????bsObj=BeautifulSoup(html,"html.parser")??
300.???????????#html.close()??
301.???????except?UnicodeDecodeError?as?e:??
302.???????????print("-----UnicodeDecodeError?url",PageUrl)??
303.???????except?urllib.error.URLError?as?e:??
304.???????????print("-----urlError?url:",PageUrl)??
305.???????except?socket.timeout?as?e:??
306.???????????print("-----socket?timout:",PageUrl)??
307.??
308.???????n=0??
309.???????while(bsObj.find("title").get_text()?==?"頁面重載開啟"):??
310.???????????print("當前頁面不是重加載后的頁面,程序會嘗試刷新一次到跳轉后的頁面
")??
311.???????????driver.get(PageUrl)??
312.???????????html=driver.page_source#將瀏覽器執行后的源代碼賦給html??
313.???????????bsObj=BeautifulSoup(html,"html.parser")??
314.???????????n=n+1??
315.???????????if?n==10:??
316.???????????????driver.close()?#?Close?the?current?window.??
317.???????????????driver.quit()#關閉chrome瀏覽器??
318.???????????????return?1??
319.??
320.????except?Exception?as?e:??
321.????????driver.close()?#?Close?the?current?window.??
322.????????driver.quit()#關閉chrome瀏覽器??
323.????????time.sleep(1)??
324.??
325.????driver.close()?#?Close?the?current?window.??
326.????driver.quit()#關閉chrome瀏覽器??
327.??
328.??
329.????#http://bbs.baobeihuijia.com/forum-191-1.html變成http://bbs.baobeihuijia.com,以便組成帖子鏈接??
330.????siteindex=PageUrl.rfind("/")??
331.????tempsiteurl=PageUrl[0:siteindex+1]#http://bbs.baobeihuijia.com/??
332.????#print(tempsiteurl)??
333.????TieziUrl=[]??
334.????#爬取想要的信息??
335.????for?templist1?in?bsObj.findAll("tbody",id=re.compile("normalthread_([0-9]+)"))?:??
336.????????if?templist1==None:??
337.????????????continue??
338.????????for?templist2?in?templist1.findAll("a",{"class":"s?xst"}):??
339.????????????if?templist2==None:??
340.????????????????continue??
341.????????????tempteiziUrl=tempsiteurl+templist2.attrs["href"]#組成帖子鏈接??
342.????????????print(tempteiziUrl)??
343.????????????TieziUrl.append(tempteiziUrl)??
344.????return?TieziUrl#返回帖子鏈接列表??
345.??
346.??
347.??
348.#CurrentPageMissingPopulationInformation("http://bbs.baobeihuijia.com/thread-213126-1-1.html")??
349.#GetALLPageUrl("http://bbs.baobeihuijia.com/forum-191-1.html")??
350.#GetCurrentPageTieziUrl("http://bbs.baobeihuijia.com/forum-191-1.html")??
351.??
352.if?__name__?==?"__main__":??
353.????csvfile=open("E:/MissingPeople.csv","w+",newline="",encoding="gb18030")??
354.????writer=csv.writer(csvfile)??
355.????writer.writerow(("寶貝回家編號","姓名","性別","出生日期","失蹤時身高","失蹤時間","失蹤地點","是否報案"))??
356.????pageurl=GetALLPageUrl("https://bbs.baobeihuijia.com/forum-191-1.html")#尋找失蹤寶貝??
357.????#pageurl=GetALLPageUrl("http://bbs.baobeihuijia.com/forum-189-1.html")#被拐寶貝回家??
358.????time.sleep(5)??
359.????print("所有頁面鏈接獲取成功!
")??
360.????n=0??
361.????for?templist1?in?pageurl:??
362.????????#print(templist1)??
363.????????tieziurl=GetCurrentPageTieziUrl(templist1)??
364.????????time.sleep(5)??
365.????????print("當前頁面"+str(templist1)+"所有帖子鏈接獲取成功!
")??
366.????????if?tieziurl?==1:??
367.????????????print("不能得到當前帖子頁面!
")??
368.????????????continue??
369.????????else:??
370.????????????for?templist2?in?tieziurl:??
371.????????????#print(templist2)??
372.???????????????n=n+1??
373.???????????????print("
正在收集第"+str(n)+"條信息!")??
374.???????????????time.sleep(5)??
375.???????????????tempzhi=CurrentPageMissingPopulationInformation(templist2)??
376.???????????????if?tempzhi==1:??
377.??????????????????print("
第"+str(n)+"條信息為空!")??
378.??????????????????continue??
379.????print("")??
380.????print("信息爬取完成!請放心的關閉程序!")??
381.????csvfile.close()??
寫成的CSV文件截圖:
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