Merge pull request #25 from 625781186/master

浏览器下载功能

README.md

@@ -15,7 +15,9 @@
  - [1.8 自定义属性测试](自定义属性测试/)
  - [1.9 自动更新](自动更新/)
  - [1.10 自定义QWidget的QSS样式](自定义QWidget的QSS样式/)
+ - 1.11 浏览器QWebEngine模块例子
     - [1.11 浏览器获取Cookie](浏览器获取Cookie/)
+    - [1.12 浏览器下载功能](partner_625781186/6.QWebEngineView下载文件)
  - [1.12 全局热键](全局热键/)
  - [1.13 图片加载](图片加载/)
  - [1.14 窗口重启](窗口重启/)
@@ -46,6 +48,7 @@
  - 1.42 悬浮下拉菜单
     - [1. tableWidget形式](partner_625781186/5.hoverMenu)
  - [1.43 QListView](QListView/)
+ - [1.44 QSplitter 分割条重写 来添加按钮](分割窗口的分割条重写/)
     
 ### [2.QGraphicsView练习](QGraphicsView练习/)
  - [2.1 世界地图](QGraphicsView练习/世界地图)

partner_625781186/5.hoverMenu/Main.ui

@@ -7,8 +7,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>648</width>
+    <width>797</width>
-    <height>493</height>
+    <height>536</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -239,7 +239,7 @@
              <item row="1" column="1">
               <widget class="QLabel" name="label_19">
                <property name="text">
-                <string>直通工具</string>
+                <string>直通车工具工具工具</string>
                </property>
                <property name="alignment">
                 <set>Qt::AlignCenter</set>
@@ -309,7 +309,7 @@
              <item row="1" column="1">
               <widget class="QLabel" name="label_14">
                <property name="text">
-                <string>直通工具</string>
+                <string>直通</string>
                </property>
                <property name="alignment">
                 <set>Qt::AlignCenter</set>

partner_625781186/5.hoverMenu/Ui_Main.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Form implementation generated from reading ui file 'D:\pyPro\hoverMenu\Main.ui'
+# Form implementation generated from reading ui file 'D:\QGroup_432987409\WoHowLearn\0.M_I_pyqt\partner_625781186\5.hoverMenu\Main.ui'
 #
 # Created by: PyQt5 UI code generator 5.9
 #
@@ -159,8 +159,8 @@ class Ui_MainWindow(object):
         MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
         self.label_15.setText(_translate("MainWindow", "店铺数据"))
         self.label_16.setText(_translate("MainWindow", "竞品分析"))
-        self.label_19.setText(_translate("MainWindow", "直通工具"))
+        self.label_19.setText(_translate("MainWindow", "直通车工具工具工具"))
-        self.label_14.setText(_translate("MainWindow", "直通工具"))
+        self.label_14.setText(_translate("MainWindow", "直通"))
         self.label_17.setText(_translate("MainWindow", "个人中心"))
         self.label_18.setText(_translate("MainWindow", "退出登录"))
         self.action1.setText(_translate("MainWindow", "1"))

partner_625781186/5.hoverMenu/hoverMenu.e4p

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE Project SYSTEM "Project-5.1.dtd">
 <!-- eric project file for project hoverMenu -->
-<!-- Saved: 2018-07-07, 14:22:08 -->
+<!-- Saved: 2018-07-07, 19:07:43 -->
 <!-- Copyright (C) 2018 ,  -->
 <Project version="5.1">
   <Language></Language>
@@ -44,7 +44,10 @@
     <Resource>tbqrc.qrc</Resource>
   </Resources>
   <Interfaces/>
-  <Others/>
+  <Others>
+    <Other>Documentation</Other>
+    <Other>/Documentation</Other>
+  </Others>
   <Vcs>
     <VcsType>None</VcsType>
   </Vcs>
@@ -65,4 +68,44 @@
     <FiletypeAssociation pattern="README" type="OTHERS"/>
     <FiletypeAssociation pattern="README.*" type="OTHERS"/>
   </FiletypeAssociations>
+  <Documentation>
+    <DocumentationParams>
+      <dict>
+        <key>
+          <string>ERIC4DOC</string>
+        </key>
+        <value>
+          <dict>
+            <key>
+              <string>cssFile</string>
+            </key>
+            <value>
+              <string>%PYTHON%/eric6/CSSs/default.css</string>
+            </value>
+            <key>
+              <string>ignoreFilePatterns</string>
+            </key>
+            <value>
+              <list>
+                <string>tbqrc_rc.py</string>
+                <string>Ui_Main.py</string>
+              </list>
+            </value>
+            <key>
+              <string>outputDirectory</string>
+            </key>
+            <value>
+              <string>Documentation</string>
+            </value>
+            <key>
+              <string>qtHelpEnabled</string>
+            </key>
+            <value>
+              <bool>False</bool>
+            </value>
+          </dict>
+        </value>
+      </dict>
+    </DocumentationParams>
+  </Documentation>
 </Project>

partner_625781186/6.QWebEngineView下载文件/browser.py

@@ -0,0 +1,150 @@
+# v1.2
+# created
+#   by Roger
+# in 2017.1.3
+
+from PyQt5.QtCore import *
+from PyQt5.QtWidgets import *
+from PyQt5.QtGui import *
+from PyQt5.QtWebEngineWidgets import QWebEngineView
+import configparser
+
+
+import sys
+
+class MainWindow(QMainWindow):
+    
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # 设置窗口标题
+        self.setWindowTitle('My Browser')
+        # 设置窗口图标
+        self.setWindowIcon(QIcon('icons/penguin.png'))
+        
+        # 设置窗口大小900*600
+        self.resize(750, 400)
+        self.show()
+        self.frame=1
+        # 设置浏览器
+        self.browser = MyEngineView()
+        # config = configparser.ConfigParser()
+        # config.readfp(open('url.ini'))
+        # url= config.get("URL","url")
+        url="http://www.onlinedown.net/soft/56160.htm"
+        # 指定打开界面的 URL
+        self.browser.setUrl(QUrl(url))
+        # 添加浏览器到窗口中
+        self.setCentralWidget(self.browser)
+
+        self.tray = QSystemTrayIcon() #创建系统托盘对象  
+        self.icon = QIcon('icons/back.png')  #创建图标  
+        self.tray.setIcon(self.icon)  #设置系统托盘图标  
+        self.tray.show()
+
+
+        #使用QToolBar创建导航栏，并使用QAction创建按钮
+        # 添加导航栏
+        navigation_bar = QToolBar('Navigation')
+        # 设定图标的大小
+        navigation_bar.setIconSize(QSize(16, 16))
+        #添加导航栏到窗口中
+        self.addToolBar(navigation_bar)
+
+        #QAction类提供了抽象的用户界面action，这些action可以被放置在窗口部件中
+        # 添加前进、后退、停止加载和刷新的按钮
+        back_button = QAction(QIcon('icons/back.png'), 'Back', self)
+        next_button = QAction(QIcon('icons/next.png'), 'Forward', self)
+        stop_button = QAction(QIcon('icons/cross.png'), 'stop', self)
+        reload_button = QAction(QIcon('icons/renew.png'), 'reload', self)
+       
+        
+        back_button.triggered.connect(self.browser.back)
+        next_button.triggered.connect(self.browser.forward)
+        stop_button.triggered.connect(self.browser.stop)
+        reload_button.triggered.connect(self.browser.reload)
+  
+        # 将按钮添加到导航栏上
+        navigation_bar.addAction(back_button)
+        navigation_bar.addAction(next_button)
+        navigation_bar.addAction(stop_button)
+        navigation_bar.addAction(reload_button)
+        #添加URL地址栏
+        self.urlbar = QLineEdit()
+        self.urlbar.setText(url)
+        # 让地址栏能响应回车按键信号
+        self.urlbar.returnPressed.connect(self.navigate_to_url)
+
+        navigation_bar.addSeparator()
+        navigation_bar.addWidget(self.urlbar)
+
+        #让浏览器相应url地址的变化
+        self.browser.urlChanged.connect(self.renew_urlbar)
+
+    def navigate_to_url(self):
+        q = QUrl(self.urlbar.text())
+        if q.scheme() == '':
+            q.setScheme('http')
+        self.browser.setUrl(q)
+
+    def renew_urlbar(self, q):
+        # 将当前网页的链接更新到地址栏
+        self.urlbar.setText(q.toString())
+        self.urlbar.setCursorPosition(0)
+
+class MyEngineView(QWebEngineView):
+    '''
+    浏览器类。
+    '''
+    def __init__(self, parent=None, ):
+        super(MyEngineView, self).__init__(parent)
+        self.parent = parent
+        #有下载信号发起
+        self.page().profile().downloadRequested.connect(self.on_downloadRequested)
+
+    def createWindow(self,  type):
+        '''
+        实现点击跳转链接。
+        '''
+        return self  
+
+    #以下函数里的 ：后为注释，无实际作用
+
+        #下载信号连接到的槽
+    def on_downloadRequested(self, download : "QWebEngineDownloadItem" ):
+        # download是QWebEngineDownloadItem对象；
+        download.downloadProgress.connect(self._downloadProgress)
+        download.finished.connect(self._finished)
+
+        #下载文件的保存路径及文件名
+        old_path = download.path()
+        suffix = QFileInfo(old_path).suffix()
+        #下载文件类型
+        filttype = download.mimeType()
+        #后缀切割
+        unkonw_suffix = filttype.split(r'/')[-1]
+        path, _ =QFileDialog.getSaveFileName(self, "Save File", old_path,  "*."+unkonw_suffix + ";;" + "*."+suffix )
+
+        print(old_path, suffix)
+
+        if path!="":
+            download.setPath(path)
+            download.accept()
+
+    def _downloadProgress(self , bytesReceived:"qint64", bytesTotal:"qint64"):
+        # bytesReceived 当前下载值 ； bytesTotal 文件总大小值
+        self.bytesReceived = bytesReceived
+        self.bytesTotal = bytesTotal
+        print(bytesReceived , bytesTotal )
+
+    def _finished(self):
+        print("下载完成")
+
+if __name__ == "__main__":
+    # 创建应用
+    app = QApplication(sys.argv)
+    # 创建主窗口
+    window = MainWindow()
+    # 显示窗口
+    window.show()
+    # 运行应用，并监听事件
+    app.exec_()    

partner_625781186/6.QWebEngineView下载文件/readme.md

@@ -0,0 +1,18 @@
+# QWebEngineView下载文件
+
+## QT官方自带例子 - 额 官方上没有 ，在本地 Examples\Qt-5.9.1\webenginewidgets\demobrowser 文件夹下。
+
+![截图2](ScreenShot/1.png)
+
+#QWebEngineView的下载请求信号
+QWebEngineView().page().profile().downloadRequested.connect(self.on_downloadRequested)
+
+#QWebEngineDownloadItem
+下载过程的信号
+QWebEngineDownloadItem().downloadProgress.connect(self._downloadProgress)
+下载结束的信号
+QWebEngineDownloadItem().finished.connect(self._finished)
+
+## 参考文献
+https://stackoverflow.com/questions/50164712/how-to-open-download-file-dialog-with-qwebengineview-on-pyqt5
+https://stackoverflow.com/questions/38812787/how-to-handle-downloads-in-qwebengine