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import http.cookiejarimport urllib.request

#声明一个CookieJar对象实例来保存cookiecookie = http.cookiejar.CookieJar()#HTTPCookieProcessor对象来创建cookie处理器handler = urllib.request.HTTPCookieProcessor(cookie)#通过handler来构建openeropener = urllib.request.build_opner(handler)#通过opner访问网址response = opner.open('http://www.baidu.com')#访问cookie中的数据for item in cookie: print('Name = '+ item.name) print('Value = '+ item.value)

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#定义文件名filename = 'cookie.txt'#定义MozillaCookieJar对象保存cookie,并且cookie关联上filename文件cookie = http.cookiejar.MozillaCookieJar(filename)#创建cookie处理器handler = request.HTTPCookieProcessor(cookie)#通过handler构建openeropener = request.build_opener(handler)#利用opener请求网页response = opener.open('http://www.baidu.com')#保存cookie到文件cookie.save(ignore_discard = True, ignore_expires = True)

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filename = 'cookie.txt'#创建MozillaCookieJar对象cookie = http.cookiejar.MozillaCookieJar()#从文件中读取cookie内容到变量cookie.load(filename, ignore_discard = True, ignore_expires = True)#生成cookie处理器handler = request.HTTPCookieProcessor(cookie)#创建openeropener = request.build_opener(handler)#用opener打开网页response = opener.open('http://www.baidu.com')print(response.read().decode('utf-8'))

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if __name__ == '__main__':    #登陆地址 login_url = 'http://www.lesmao.cc/member.php?mod=logging&action=login&referer='  #User-Agent信息  user_agent = r'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.221 Safari/537.36 SE 2.X MetaSr 1.0' #Headers信息 head = {'User-Agnet': user_agent, 'Connection': 'keep-alive'}

 #登陆Form_Data信息 Login_Data = {} Login_Data['formhash'] = '5ea0f6e4' Login_Data['referer'] = 'http://www.lesmao.cc/./' Login_Data['loginfield'] = 'username'  Login_Data['username'] = 'second'  Login_Data['password'] = '18301' Login_Data['loginsubmit'] = 'true' Login_Data['questionid'] = '0' Login_Data['answer'] = ''

 #使用urlencode方法转换标准格式 logingpostdata = parse.urlencode(Login_Data).encode('utf-8') #声明一个CookieJar对象实例来保存cookie cookie = cookiejar.CookieJar() #利用urllib.request库的HTTPCookieProcessor对象来创建cookie处理器,也就CookieHandler cookie_support = request.HTTPCookieProcessor(cookie) #通过CookieHandler创建opener opener = request.build_opener(cookie_support) #创建Request对象 req1 = request.Request(url=login_url, data=logingpostdata, headers=head)

 #面向对象地址 date_url = 'http://www.lesmao.cc/home.php?mod=space&do=notice&view=system'

 req2 = request.Request(url=date_url, headers=head)

 try: #使用自己创建的opener的open方法 response1 = opener.open(req1) #print(response1.read().decode('utf-8')) print('.................................') response2 = opener.open(req2) html = response2.read().decode('utf-8')  #打印查询结果 print(html)

 except error.URLError as e: if hasattr(e, 'code'): print("URLError:%d" % e.code) if hasattr(e, 'reason'): print("URLError:%s" % e.reason) except error.HTTPError as e: if hasattr(e, 'code'): print("URLError:%d" % e.code) if hasattr(e, 'reason'): print("URLError:%s" % e.reason) except Exception as e: print('Exception is : ', e)