.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
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("user@qt.com").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
View Code
搜索
复制
