#58 网页整体截图

This commit is contained in:
Irony 2019-07-08 15:43:01 +08:00
parent ea89fff811
commit d2edf9cf05
6 changed files with 84 additions and 1 deletions

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@ -61,6 +61,7 @@ encoding//QWebEngineView/JsSignals.py=utf-8
encoding//QWebView/DreamTree.py=utf-8 encoding//QWebView/DreamTree.py=utf-8
encoding//QWebView/GetCookie.py=utf-8 encoding//QWebView/GetCookie.py=utf-8
encoding//QWebView/JsSignals.py=utf-8 encoding//QWebView/JsSignals.py=utf-8
encoding//QWebView/ScreenShotPage.py=utf-8
encoding//QWidget/Lib/CustomPaintWidget.py=utf-8 encoding//QWidget/Lib/CustomPaintWidget.py=utf-8
encoding//QWidget/Lib/CustomWidget.py=utf-8 encoding//QWidget/Lib/CustomWidget.py=utf-8
encoding//QWidget/WidgetStyle.py=utf-8 encoding//QWidget/WidgetStyle.py=utf-8

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@ -4,6 +4,7 @@
- [梦幻树](#1梦幻树) - [梦幻树](#1梦幻树)
- [获取Cookie](#2获取Cookie) - [获取Cookie](#2获取Cookie)
- [和Js交互操作](#3和Js交互操作) - [和Js交互操作](#3和Js交互操作)
- [网页整体截图](#4网页整体截图)
## 1、梦幻树 ## 1、梦幻树
[运行 DreamTree.py](DreamTree.py) [运行 DreamTree.py](DreamTree.py)
@ -28,3 +29,11 @@
具体看代码中的注释 具体看代码中的注释
![JsSignals](ScreenShot/JsSignals.gif) ![JsSignals](ScreenShot/JsSignals.gif)
## 4、网页整体截图
[运行 ScreenShotPage.py](ScreenShotPage.py)
原理是通过`QWebView.QWebPage.QWebFrame`得到内容的高度,然后设置`QWebPage.setViewportSize`的大小,
最后通过`QWebFrame.render`把图片截出来
![ScreenShotPage](ScreenShot/ScreenShotPage.png)

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@ -0,0 +1,72 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2019年7月8日
@author: Irony
@site: https://pyqt5.com https://github.com/PyQt5
@email: 892768447@qq.com
@file: ScreenShotPage
@description: 网页整体截图
"""
import cgitb
import os
import sys
from PyQt5.QtCore import QUrl, Qt
from PyQt5.QtGui import QImage, QPainter
from PyQt5.QtWebKitWidgets import QWebView
from PyQt5.QtWidgets import QWidget, QApplication, QVBoxLayout, QPushButton,\
QMessageBox
__Author__ = "Irony"
__Copyright__ = "Copyright (c) 2019"
__Version__ = "Version 1.0"
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.resize(600, 400)
layout = QVBoxLayout(self)
self.webView = QWebView()
layout.addWidget(self.webView)
layout.addWidget(QPushButton('截图', self, clicked=self.onScreenShot))
self.webView.load(QUrl("https://pyqt5.com"))
def onScreenShot(self):
page = self.webView.page()
frame = page.mainFrame()
size = frame.contentsSize()
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
painter = QPainter()
painter.begin(image)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
# 记录旧大小
oldSize = page.viewportSize()
# *****重点就是这里******
page.setViewportSize(size)
frame.render(painter)
painter.end()
image.save('Data/ScreenShotPage.png', 'png')
# 截图完成后需要还原,否则界面不响应鼠标等
page.setViewportSize(oldSize)
os.startfile(os.path.abspath('Data/ScreenShotPage.png'))
QMessageBox.information(self, '提示', '截图完成')
if __name__ == "__main__":
sys.excepthook = cgitb.enable(1, None, 5, '')
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())

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@ -128,6 +128,7 @@ https://pyqt5.com 社区是专门针对PyQt5学习和提升开设的博客网站
- [梦幻树](QWebView/DreamTree.py) - [梦幻树](QWebView/DreamTree.py)
- [获取Cookie](QWebView/GetCookie.py) - [获取Cookie](QWebView/GetCookie.py)
- [和Js交互操作](QWebView/JsSignals.py) - [和Js交互操作](QWebView/JsSignals.py)
- [网页整体截图](QWebView/ScreenShotPage.py)
- [QWebEngineView](QWebEngineView) - [QWebEngineView](QWebEngineView)
- [获取Cookie](QWebEngineView/GetCookie.py) - [获取Cookie](QWebEngineView/GetCookie.py)
- [和Js交互操作](QWebEngineView/JsSignals.py) - [和Js交互操作](QWebEngineView/JsSignals.py)