#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import sys
import os.path
from PyQt4 import QtGui,QtCore,QtWebKit
class PageShotter(QtGui.QWidget):
  def __init__(self,url,filename,parent=None):
    QtGui.QWidget.__init__(self,parent)
    self.url = url
    self.filename = filename
    self.webpage = None
  def shot(self):
    webview = QtWebKit.QWebView(self)
    webview.load(QtCore.QUrl(self.url))
    self.webpage = webview.page()
    self.connect(webview,QtCore.SIGNAL("loadFinished(bool)"),self.save_page)
  def save_page(self,finished):
    #print finished
    if finished:
      print u"开始截图！"
      size = self.webpage.mainFrame().contentsSize()
      print u"页面宽：%d，页面高：%d" % (size.width(),size.height())
      self.webpage.setViewportSize(QtCore.QSize(size.width()+16,size.height()))
      img = QtGui.QImage(size, QtGui.QImage.Format_ARGB32)
      painter = QtGui.QPainter(img)
      self.webpage.mainFrame().render(painter)
      painter.end()
      filename= self.filename;
      if img.save(filename):
        filepath = os.path.join(os.path.dirname(__file__), filename)
        print u"截图完毕：%s" % filepath
      else:
        print u"截图失败";
    else:
      print u"网页加载失败！"
    self.close()
if __name__=="__main__":
  app = QtGui.QApplication(sys.argv)
  shotter = PageShotter("https://www.jb51.net/", 'shot.png')
  shotter.shot()
  sys.exit(app.exec_())

pip3 install PyQt5-sip

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import time
from selenium import webdriver
browser = webdriver.Firefox()
browser.set_window_size(1055, 800)
browser.get("https://www.jb51.net/")
browser.find_element_by_id("idClose").click()
time.sleep(5)
browser.save_screenshot("shot.png")
browser.quit()

pip install selenium