下载豆瓣友邻相册，豆瓣友邻相册,开发环境：WIn7，Py

下载豆瓣友邻相册，豆瓣友邻相册,开发环境：WIn7，Py

开发环境：WIn7，Python2.7

使用了第三方的类库：BeautifulSoup

后期还需要增加多线程处理。

图片会存放到代码所在目录 DownFile下。

# coding:utf-8__author__ = 'zz'import os,wximport urllibimport sysfrom bs4 import BeautifulSoupreload(sys)  sys.setdefaultencoding('utf8')#自定义输出图片下载信息class ImageOutMessage():    def __init__(self,obj):        self.Object = obj    def emit(self,strMessage):        if strMessage:            self.Object.AppendText(strMessage)class main_windows(wx.Frame):    def __init__(self):        wx.Frame.__init__(self,None,-1,"Down DouBan Image",size = (450,400))        bkg = wx.Panel(self,-1)        DownImageButton = wx.Button(bkg,label = "DownImage")        DownImageButton.Bind(wx.EVT_BUTTON,self.DownImage)        self.UrlText = wx.TextCtrl(bkg)        self.contents = wx.TextCtrl(bkg,style = wx.TE_MULTILINE)        self.contents.SetEditable(False)        hbox = wx.BoxSizer()        hbox.Add(self.UrlText,proportion = 1,flag=wx.EXPAND)        hbox.Add(DownImageButton,proportion = 0,flag= wx.LEFT,border = 5)        vbox = wx.BoxSizer(wx.VERTICAL)        vbox.Add(hbox,proportion = 0,flag = wx.EXPAND,border =5)        vbox.Add(self.contents,proportion = 1,flag = wx.EXPAND | wx.LEFT | wx.BOTTOM | wx.RIGHT,border = 5)        bkg.SetSizer(vbox)    def ReadHtml(self,src):        try:            content = urllib.urlopen(src).read()            strHtml = BeautifulSoup(''.join(content))            return strHtml        except Exception,ex:            self.contents.AppendText("STOP,ERROR:%s.\\n"%(ex))    def NextPage(self,strUrl):        try:            #从页面Html源码中获取下一个页面地址，最后一页返回None            content = self.ReadHtml(strUrl)            strHref = None            for line in content('link'):                if line.find_all(rel= 'next') > 0 :                    if (line.get('href')).find('start=') > 0:                        strHref = line.get('href')            if strHref:                return strHref            else:                return None        except Exception,ex:            self.contents.AppendText("STOP,ERROR:%s.\\n"%(ex))    def PicInfo(self,src):        try:            #从Html源码中获取全部图片的相对地址            lstPicHref = []            content = self.ReadHtml(src)            for line in content('img'):                # 判断img地址是否为缩略图                if (line.get('src')).find('thumb/public') > 0:                    strPicHref = line.get('src')                    #将缩略图地址修改为原图地址                    strPicHref = strPicHref.replace('thumb','photo')                    lstPicHref.append(strPicHref)                    #判断返回值            if lstPicHref:                return lstPicHref            else:                return None        except Exception,ex:            self.contents.AppendText("STOP,ERROR:%s.\\n"%(ex))    def WritePic(self,HtmlTitle,listPicHref,FilePath):        try:            #获取当前页面Title对应的文件夹路径            strFilePath = FilePath + HtmlTitle + '\\\\'            #对获取到的Title的编码形式进行转换            if isinstance(strFilePath, unicode):                strFilePath.encode('gb2312')            else:                strFilePath.decode('utf-8').encode('gb2312')                #判断strFilePath是否存在 ，不存在创建该目录            if not os.path.exists(strFilePath):                os.mkdir(strFilePath)            PicLength = len(listPicHref)            self.contents.AppendText("%s.\\n"%( 'Current page {} picture waiting for download...'.format(PicLength)))            i = 1            for item in listPicHref:                strPicName = item.split("/")                #将图片写入到本地指定路径                urllib.urlretrieve(item,strFilePath + strPicName[7],None)                self.contents.AppendText("%s.\\n"%('Download picture {}/{}:{}'.format(i,PicLength,strPicName[7])))                i += 1        except Exception,ex:            self.contents.AppendText("STOP,ERROR:%s.\\n"%(ex))    def DownImage(self,event):        try:            strUrl = self.UrlText.GetValue()            #验证strUrl格式是否符合要求            if strUrl.find("www.douban.com/photos/album/") > 0:                if strUrl:                    # 获取页面Title                    strTitle = self.ReadHtml(strUrl).html.head.title.string                    strFilePath = os.getcwd() + '\\\\DownFile\\\\'                    strTitle = ''.join(strTitle.split())                    #验证图片存放路径是否存在                    if not os.path.exists(strFilePath):                        os.mkdir(strFilePath)                    while strUrl:                        #验证下一页路径是否重复                        if strUrl.find('start') > 0:                            strPrevNumber =strUrl.split('=')                        else:                            strPrevNumber = ['1','0']                        listPicHref = self.PicInfo(strUrl)                        self.contents.AppendText("%s.\\n"%(strUrl))                        self.WritePic(strTitle,listPicHref,strFilePath)                        strUrl = self.NextPage(strUrl)                        #判断是否有下一页Url                        if not strUrl:                            break                        strUrlNumber = strUrl.split('=')                        if int(strPrevNumber[1]) > int(strUrlNumber[1]):                            break                    self.contents.AppendText("Download complete")                else:                    self.contents.AppendText("URL cannot be empty")            else:                self.contents.SetValue("")                self.contents.AppendText("URL format is invalid, for example:\\n %s"%("http://www.douban.com/photos/album/92848474/"))        except Exception,ex:            self.contents.AppendText("STOP,ERROR:%s.\\n"%(ex))class App(wx.App):    def OnInit(self):        self.frame = main_windows()        self.frame.Show(True)        self.SetTopWindow(self.frame)        return Trueif __name__ == "__main__":    app = App()    app.MainLoop()#该片段来自于http://byrx.net