使用Python保存网页上的图片或者保存页面为截图

# -*- coding: UTF-8 -*- 
import os,re,urllib,uuid 
 
#首先定义云端的网页,以及本地保存的文件夹地址 
urlPath='http://gamebar.com/' 
localPath='d:\pythonPath' 
 
 
#从一个网页url中获取图片的地址，保存在 
#一个list中返回 
def getUrlList(urlParam): 
 urlStream=urllib.urlopen(urlParam) 
 htmlString=urlStream.read() 
 if( len(htmlString)!=0 ): 
 patternString=r'http://.{0,50}.jpg' 
 searchPattern=re.compile(patternString) 
 imgUrlList=searchPattern.findall(htmlString) 
 return imgUrlList 
 
 
#生成一个文件名字符串 
def generateFileName(): 
 return str(uuid.uuid1()) 
 
 
#根据文件名创建文件 
def createFileWithFileName(localPathParam,fileName): 
 totalPath=localPathParam+'\'+fileName 
 if not os.path.exists(totalPath): 
 file=open(totalPath,'a+') 
 file.close() 
 return totalPath 
 
 
#根据图片的地址，下载图片并保存在本地 
def getAndSaveImg(imgUrl): 
 if( len(imgUrl)!= 0 ): 
 fileName=generateFileName()+'.jpg' 
 urllib.urlretrieve(imgUrl,createFileWithFileName(localPath,fileName)) 
 
 
#下载函数 
def downloadImg(url): 
 urlList=getUrlList(url) 
 for urlString in urlList: 
 getAndSaveImg(urlString) 
 
downloadImg(urlPath) 

def webscreen():
 url = 'http://www.xxx.com'
 driver = webdriver.PhantomJS()
 driver.set_page_load_timeout(300)
 driver.set_window_size(1280,800)
 driver.get(url)
 imgelement = driver.find_element_by_id('XXXX')
 location = imgelement.location
 size = imgelement.size
 savepath = r'XXXX.png'
 driver.save_screenshot(savepath)
 im = Image.open(savepath)
 left = location['x']
 top = location['y']
 right = left + size['width']
 bottom = location['y'] + size['height']
 im = im.crop((left,top,right,bottom))
 im.save(savepath)