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https://download.csdn.net/download/zhujianqiangqq/86666124 CSDN代码下载
.pro
1 QT += core gui
2
3 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
4
5 CONFIG += c++11
6
7 # The following define makes your compiler emit warnings if you use
8 # any Qt feature that has been marked deprecated (the exact warnings
9 # depend on your compiler). Please consult the documentation of the
10 # deprecated API in order to know how to port your code away from it.
11 DEFINES += QT_DEPRECATED_WARNINGS
12
13 # You can also make your code fail to compile if it uses deprecated APIs.
14 # In order to do so, uncomment the following line.
15 # You can also select to disable deprecated APIs only up to a certain version of Qt.
16 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
17
18 SOURCES += \
19 main.cpp \
20 mainwindow.cpp
21
22 HEADERS += \
23 mainwindow.h
24
25 FORMS += \
26 mainwindow.ui
27
28 # Default rules for deployment.
29 qnx: target.path = /tmp/$${TARGET}/bin
30 else: unix:!android: target.path = /opt/$${TARGET}/bin
31 !isEmpty(target.path): INSTALLS += target
View Code
main.cpp
1 #include "mainwindow.h"
2
3 #include <QApplication>
4
5 int main(int argc, char *argv[])
6 {
7 QApplication a(argc, argv);
8 MainWindow w;
9 w.show();
10 return a.exec();
11 }
View Code
mainwindow.h
1 #ifndef MAINWINDOW_H
2 #define MAINWINDOW_H
3
4 #include <QMainWindow>
5
6 #include "QDesktopServices"
7 #include "QUrl"
8 #include "QMessageBox"
9
10 QT_BEGIN_NAMESPACE
11 namespace Ui { class MainWindow; }
12 QT_END_NAMESPACE
13
14 class MyHelpHandler : public QObject
15 {
16 Q_OBJECT
17 public:
18
19 public slots:
20 void showHelp(const QUrl &url)
21 {
22 QMessageBox mgsBox;
23 mgsBox.setText(url.toString());
24 mgsBox.exec();
25 }
26 };
27
28 class MainWindow : public QMainWindow
29 {
30 Q_OBJECT
31
32 public:
33 MainWindow(QWidget *parent = nullptr);
34 ~MainWindow();
35
36 private slots:
37 void on_pushButton_clicked();
38
39 void on_pushButton_2_clicked();
40
41 void on_pushButton_4_clicked();
42
43 void on_pushButton_5_clicked();
44
45 void on_pushButton_6_clicked();
46
47 void on_pushButton_3_clicked();
48
49 void on_pushButton_7_clicked();
50
51 void on_pushButton_8_clicked();
52
53 void on_pushButton_9_clicked();
54
55 void on_pushButton_10_clicked();
56
57 void on_pushButton_14_clicked();
58
59 void on_pushButton_11_clicked();
60
61 private:
62 Ui::MainWindow *ui;
63
64 MyHelpHandler handler;
65 };
66 #endif // MAINWINDOW_H
View Code
mainwindow.cpp
1 #include "mainwindow.h"
2 #include "ui_mainwindow.h"
3
4 MainWindow::MainWindow(QWidget *parent)
5 : QMainWindow(parent)
6 , ui(new Ui::MainWindow)
7 {
8 ui->setupUi(this);
9
10 setWindowTitle(QStringLiteral("Qt通过QDesktopServices操作外部资源"));
11 }
12
13 MainWindow::~MainWindow()
14 {
15 delete ui;
16 }
17
18 // 在资源管理器中打开某个文件夹
19 void MainWindow::on_pushButton_clicked()
20 {
21 QDesktopServices::openUrl(QUrl("file:///C:/Program Files", QUrl::TolerantMode));
22 }
23
24 // 调用默认浏览器打开一个网页链接
25 void MainWindow::on_pushButton_2_clicked()
26 {
27 QDesktopServices::openUrl(QUrl("https://www.baidu.com/", QUrl::TolerantMode));
28 }
29
30 void MainWindow::on_pushButton_4_clicked()
31 {
32 QDesktopServices::setUrlHandler("help", &handler, "showHelp");
33 }
34
35 void MainWindow::on_pushButton_5_clicked()
36 {
37 QDesktopServices::unsetUrlHandler("help");
38 }
39
40 void MainWindow::on_pushButton_6_clicked()
41 {
42 QDesktopServices::openUrl(QUrl("help://showthisword/", QUrl::TolerantMode));
43 }
44
45 void MainWindow::on_pushButton_3_clicked()
46 {
47 QDesktopServices::openUrl(QUrl::fromLocalFile("C:/Program Files"));
48 }
49
50 void MainWindow::on_pushButton_7_clicked()
51 {
52 QDesktopServices::openUrl(QUrl("file:///D:/A.pdf", QUrl::TolerantMode));
53 }
54
55 void MainWindow::on_pushButton_8_clicked()
56 {
57 QDesktopServices::openUrl(QUrl("file:///D:/B.docx", QUrl::TolerantMode));
58 }
59
60 void MainWindow::on_pushButton_9_clicked()
61 {
62 QString strUrl = QString("mailto:%1?subject=%2&body=%3").arg("[email protected]").arg("Qt").arg("I am a Qter");
63 QDesktopServices::openUrl(QUrl(strUrl));
64 }
65
66 void MainWindow::on_pushButton_10_clicked()
67 {
68 QDesktopServices::openUrl(QUrl("file:///D:/RuanJian/BCompareLite/BCompareLite.exe", QUrl::TolerantMode));
69 }
70
71 void MainWindow::on_pushButton_14_clicked()
72 {
73 // QDesktopServices::storageLocation(QDesktopServices::DesktopLocation)
74 // QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation)
75 // QDesktopServices::storageLocation(QDesktopServices::HomeLocation)
76 // QDesktopServices::storageLocation(QDesktopServices::ApplicationsLocation)
77 // QDesktopServices::storageLocation(QDesktopServices::TempLocation)
78
79 // Qt4使用 QDesktopServices::storageLocation(QDesktopServices::xxxx) 来获取一些系统目录，
80 // Qt5则要改成QStandardPaths::writableLocation(QStandardPaths::xxxx)。
81 }
82
83 void MainWindow::on_pushButton_11_clicked()
84 {
85 QDesktopServices::openUrl(QUrl("file:///\\127.0.0.1"));
86 }
View Code
mainwindow.ui
1 <?xml version="1.0" encoding="UTF-8"?> 2 <ui version="4.0"> 3 <class>MainWindow</class> 4 <widget class="QMainWindow" name="MainWindow"> 5 <property name="geometry"> 6 <rect> 7 <x>0</x> 8 <y>0</y> 9 <width>816</width> 10 <height>359</height> 11 </rect> 12 </property> 13 <property name="windowTitle"> 14 <string>MainWindow</string> 15 </property> 16 <widget class="QWidget" name="centralwidget"> 17 <layout class="QHBoxLayout" name="horizontalLayout"> 18 <item> 19 <layout class="QVBoxLayout" name="verticalLayout"> 20 <item> 21 <layout class="QHBoxLayout" name="horizontalLayout_4"> 22 <item> 23 <widget class="QPushButton" name="pushButton"> 24 <property name="text"> 25 <string>打开资源管理器方式1</string> 26 </property> 27 </widget> 28 </item> 29 <item> 30 <widget class="QPushButton" name="pushButton_3"> 31 <property name="text"> 32 <string>打开资源管理器方式2</string> 33 </property> 34 </widget> 35 </item> 36 <item> 37 <widget class="QPushButton" name="pushButton_2"> 38 <property name="text"> 39 <string>默认浏览器打开网页</string> 40 </property> 41 </widget> 42 </item> 43 <item> 44 <widget class="QPushButton" name="pushButton_7"> 45 <property name="text"> 46 <string>打开PDF文件</string> 47 </property> 48 </widget> 49 </item> 50 <item> 51 <widget class="QPushButton" name="pushButton_8"> 52 <property name="text"> 53 <string>打开DOC文件</string> 54 </property> 55 </widget> 56 </item> 57 </layout> 58 </item> 59 <item> 60 <layout class="QHBoxLayout" name="horizontalLayout_2"> 61 <item> 62 <widget class="QPushButton" name="pushButton_4"> 63 <property name="text"> 64 <string>自定义QDesktopServices::openUrl的行为</string> 65 </property> 66 </widget> 67 </item> 68 <item> 69 <widget class="QPushButton" name="pushButton_5"> 70 <property name="text"> 71 <string>取消自定义的openUrl行为</string> 72 </property> 73 </widget> 74 </item> 75 <item> 76 <widget class="QPushButton" name="pushButton_6"> 77 <property name="text"> 78 <string>测试自定义行为</string> 79 </property> 80 </widget> 81 </item> 82 </layout> 83 </item> 84 <item> 85 <layout class="QHBoxLayout" name="horizontalLayout_3"> 86 <item> 87 <widget class="QPushButton" name="pushButton_9"> 88 <property name="text"> 89 <string>打开邮件</string> 90 </property> 91 </widget> 92 </item> 93 <item> 94 <widget class="QPushButton" name="pushButton_10"> 95 <property name="text"> 96 <string>启动程序</string> 97 </property> 98 </widget> 99 </item> 100 <item> 101 <widget class="QPushButton" name="pushButton_11"> 102 <property name="text"> 103 <string>打开网络共享</string> 104 </property> 105 </widget> 106 </item> 107 <item> 108 <widget class="QPushButton" name="pushButton_12"> 109 <property name="text"> 110 <string>PushButton</string> 111 </property> 112 </widget> 113 </item> 114 </layout> 115 </item> 116 <item> 117 <layout class="QHBoxLayout" name="horizontalLayout_5"> 118 <item> 119 <widget class="QPushButton" name="pushButton_14"> 120 <property name="text"> 121 <string>Qt5弃用的方法</string> 122 </property> 123 </widget> 124 </item> 125 </layout> 126 </item> 127 </layout> 128 </item> 129 </layout> 130 </widget> 131 </widget> 132 <resources/> 133 <connections/> 134 </ui>View Code
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<iframe height="240" width="320"></iframe> 标签：clicked,Qt,外部,void,pushButton,QUrl,QDesktopServices,MainWindow From： https://www.cnblogs.com/FKdelphi/p/16723626.html