python保存网页图片到本地的方法

#!/usr/bin/env Python#coding=utf-8  import timeimport datetimeimport sysimport randomimport mathimport uuidimport cookielibimport urllib2import os class GetImage(): reload(sys) sys.setdefaultencoding('utf8')  ''' 抓取网页文件内容，保存到内存  @url 欲抓取文件 ，path+filename ''' def get_file(self,url): try: cj=cookielib.LWPCookieJar() opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) urllib2.install_opener(opener)   req=urllib2.Request(url) operate=opener.open(req) data=operate.read() return data except BaseException, e: print e return None  ''' 保存文件到本地  @path 本地路径 @file_name 文件名 @data 文件内容 ''' def save_file(self,file_name, data): if data == None: return   file=open(file_name, "wb") file.write(data) file.flush() file.close() def save_png_file(self,filename,url): self.save_file(filename,self.get_file(url))  if __name__=="__main__":  h1 = GetImage()  #h1.save_file('c:/log/124.png',h1.get_file('http://1.1.1.1/doc/images/public/ICON/norecord.png')) #url = 'http://1.1.1.1/doc/images/public/ICON/norecord.png' #file_path ='c:/log/125.png' #h1.save_png_file(file_path,url)