add readfile

readfile/main.cpp

@@ -0,0 +1,49 @@
+#include "widget.h"
+#include <QApplication>
+#include <QImage>
+#include <QMap>
+#include <QFile>
+#include <iostream>
+#include <QDebug>
+#include <string>
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+
+    quint32 value;
+    QImage image("C:/Users/fzyz_sb/Desktop/readfile/2.png"), outImage;
+    QMap<QString, QString> map, outMap;
+    map["red"] = "RED";
+    map["green"] = "GREEN";
+    map["blue"] = "BLUE";
+
+    QFile file("facts.dat");
+    if (!file.open(QIODevice::WriteOnly)) {
+        cerr << "cannot open file for writing:"
+             << qPrintable(file.errorString()) << endl;
+        return 1;
+    }
+    //写入二进制文件
+    QDataStream out(&file);
+    out.setVersion(QDataStream::Qt_5_3);
+    out << quint32(0x12345678) << image << map;
+    file.close();
+
+    QFile outFile("facts.dat");
+    if (!outFile.open(QIODevice::ReadOnly)) {
+        cerr << "cannot open file for reading:"
+             << qPrintable(outFile.errorString()) << endl;
+        return 1;
+    }
+    //读取二进制文件
+    QDataStream in(&outFile);
+    in.setVersion(QDataStream::Qt_5_3);
+    in >> value >> outImage >> outMap;
+
+    qDebug() << "value is:" << value;
+    qDebug() << outMap["blue"] << " " << outMap["red"] << " " << outMap["green"] << endl;
+
+    return a.exec();
+}

readfile/readfile.pro

@@ -0,0 +1,20 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2014-11-18T20:11:14
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = readfile
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        widget.cpp
+
+HEADERS  += widget.h
+
+FORMS    += widget.ui

readfile/widget.cpp

@@ -0,0 +1,14 @@
+#include "widget.h"
+#include "ui_widget.h"
+
+Widget::Widget(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}

readfile/widget.h

@@ -0,0 +1,22 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class Widget;
+}
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Widget(QWidget *parent = 0);
+    ~Widget();
+
+private:
+    Ui::Widget *ui;
+};
+
+#endif // WIDGET_H

readfile/widget.ui

@@ -0,0 +1,20 @@
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Widget</string>
+  </property>
+ </widget>
+ <layoutDefault spacing="6" margin="11" />
+ <pixmapfunction></pixmapfunction>
+ <resources/>
+ <connections/>
+</ui>