添加打印的实现

andrewbytecoder · andrewbytecoder · commit 05e3d680aa37 · 2023-09-19T19:30:15.000+08:00
diff --git a/qt_print/main.cpp b/qt_print/main.cpp
@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+
+    return a.exec();
+}
diff --git a/qt_print/mainwindow.cpp b/qt_print/mainwindow.cpp
@@ -0,0 +1,50 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+#include <QPrinter>
+#include <QPrintDialog>
+#include <QPrintPreviewDialog>
+#include <QFileDialog>
+#include <QFileInfo>
+
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    QAction *actionPrinter = new QAction(tr("打印"), this);
+    QAction *actionPrintPreview = new QAction(tr("打印预览"), this);
+    QAction *actionPdf = new QAction(tr("生成pdf"), this);
+
+    connect(actionPrinter, SIGNAL(triggered()), this, SLOT(doPrint));
+    connect(actionPrintPreview, SIGNAL(triggered()), this, SLOT(doPrintPreview));
+    connect(actionPdf, SIGNAL(triggered()), this, SLOT(createPdf));
+
+
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::doPrint()
+{
+
+}
+
+void MainWindow::doPrintPreview()
+{
+
+}
+
+void MainWindow::printPreview(QPrinter *printer)
+{
+
+}
+
+void MainWindow::createPdf()
+{
+
+}
diff --git a/qt_print/mainwindow.h b/qt_print/mainwindow.h
@@ -0,0 +1,32 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+namespace Ui {
+class MainWindow;
+}
+
+class QPrinter;
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+
+
+private:
+    void doPrint();
+    void doPrintPreview();
+    void printPreview(QPrinter *printer);
+    void createPdf();
+
+private:
+    Ui::MainWindow *ui;
+};
+
+#endif // MAINWINDOW_H
diff --git a/qt_print/mainwindow.ui b/qt_print/mainwindow.ui
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>777</width>
+    <height>366</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QGridLayout" name="gridLayout">
+    <item row="0" column="0">
+     <widget class="QTextEdit" name="textEdit"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>777</width>
+     <height>22</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/qt_print/qt_print.pro b/qt_print/qt_print.pro
@@ -0,0 +1,40 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2023-09-19T19:13:01
+#
+#-------------------------------------------------
+
+QT       += core gui printsupport
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = qt_print
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+CONFIG += c++11
+
+SOURCES += \
+        main.cpp \
+        mainwindow.cpp
+
+HEADERS += \
+        mainwindow.h
+
+FORMS += \
+        mainwindow.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
