1 __author__ = 'minmin' 2 #coding:utf-8 3 import re,urllib,sgmllib,os 4  5 #根据当前的url获取html 6 def getHtml(url): 7     page = urllib.urlopen(url) 8     html = page.read() 9     page.close()10     return html11 12 #根据html获取想要的文章内容13 def func(str):14      result= re.findall(r"
([^<>]*)
",getHtml(url),re.M)15      artical =''16      for j in result:17          if len(j)<>0:18              j = j.replace(" ","")19              j = j.replace("","   ")#去掉,换成"     "20              j = j.replace("","   ")#去掉换成"     "21              artical = artical + j + '\n'22      return  artical23 24 #html链接的标签是“a”，链接的属性是“href”，也就是要获得html中所有tag=a，attrs=href 值。25 class URLPaser(sgmllib.SGMLParser):26     def reset(self):27         sgmllib.SGMLParser.reset(self)28         self.urls = []29 30     def start_a(self,attrs):31         href = [v for k,v in attrs if k == 'href']32         if href:33             self.urls.extend(href)34 35 IParser = URLPaser()36 socket = urllib.urlopen("http://mil.news.sina.com.cn/")#打开这个网页37 38 #fout = file('qq_art_urls.txt','w')#要把这个链接写到这个文件中39 IParser.feed(socket.read())#分析啦40 41 reg = 'http://mil.news.sina.com.cn/.*'#这个是用来匹配符合条件的链接，使用正则表达式匹配42 43 pattern = re.compile(reg)44 45 46 os.getcwd()#获得当前文件夹路径47 os.path.sep#当前系统路径分隔符48  49 #判断文件是否存在50 if os.path.exists('sina_military')==False:51      os.makedirs('sina_military')52      53 i = 054 url2 = []55 for url in IParser.urls:#链接都存在urls里56 57     if pattern.match(url):58         if url not in url2:59             url2.append(url)60             artical = func(url)61             print artical62             if len(artical)<>0:63               i = i + 164               f = open("sina_military/"+ str(i) + '.txt','a+')65               f.write(artical)66               f.close()