#58 网页整体截图

.settings/org.eclipse.core.resources.prefs

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

QWebView/README.md

@@ -4,6 +4,7 @@
   - [梦幻树](#1梦幻树)
   - [获取Cookie](#2获取Cookie)
   - [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
 [运行 DreamTree.py](DreamTree.py)
@@ -28,3 +29,11 @@
 具体看代码中的注释
 
 ![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)

QWebView/ScreenShotPage.py

@@ -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_())

README.md

@@ -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)
     - [获取Cookie](QWebView/GetCookie.py)
     - [和Js交互操作](QWebView/JsSignals.py)
+    - [网页整体截图](QWebView/ScreenShotPage.py)
   - [QWebEngineView](QWebEngineView)
     - [获取Cookie](QWebEngineView/GetCookie.py)
     - [和Js交互操作](QWebEngineView/JsSignals.py)