使用Python保存网页上的图片或者保存页面为截图
Python保存网页图片
这个是个比较简单的例子,网页中的图片地址都是使用'http://。。。。.jpg'这种方式直接定义的。
使用前,可以先建立好一个文件夹用于保存图片,本例子中使用的文件夹是 d:\\pythonPath这个文件夹
代码如下:
# -*- 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)
保存的文件如下:
网页的一部分保存为图片
主要思路是selenium+phantomjs(中文网页需要设置字体)+PIL切图
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)

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