python学习笔记（一）爬虫实战：图片自动下载器

0、参考文献

[1]http://www.jianshu.com/p/19c846daccb3

1、代码

#-*- coding:utf-8 -*-import reimport requestsdef dowmloadPic(html,keyword):    pic_url = re.findall('"objURL":"(.*?)",',html,re.S)    i = 0    print '找到关键词:'+keyword+'的图片，现在开始下载图片...'    for each in pic_url:        print '正在下载第'+str(i+1)+'张图片，图片地址:'+str(each)        try:            pic= requests.get(each, timeout=10)        except requests.exceptions.ConnectionError:            print '【错误】当前图片无法下载'            continue        string = 'pictures\\'+keyword+str(i) + '.jpg'        #resolve the problem of encode, make sure that chinese name could be store        fp = open(string.decode('gbk').encode('cp936'),'wb')        fp.write(pic.content)        fp.close()        i += 1if __name__ == '__main__':    word = raw_input("Input key word: ")    url = 'https://image.baidu.com/search/flip?tn=baiduimage&ie=utf-8&word=%E8%99%B9%E4%B9%8B%E7%8E%89&pn=60&gsm=64&ct=&ic=0&lm=-1&width=0&height=0'    result = requests.get(url)    dowmloadPic(result.text,word)