21.QT二进制文件 

 1 #include "mainwindow.h"
 2 #include <QApplication>
 3 #include <QFile>
 4 #include <QDebug>
 5 
 6 int main(int argc, char *argv[])
 7 {
 8     QApplication a(argc, argv);
 9 
10     QFile file("1.bin");
11     file.open(QIODevice::WriteOnly|QIODevice::Truncate);
12     QDataStream out(&file);
13     QString str1 = "hello";
14     QChar ch1 = 'A';
15     out << str1<<1234<<ch1;
16     file.close();
17 
18     file.setFileName("1.bin");
19     if(file.open(QFile::ReadOnly))
20     {
21         QDataStream in(&file);
22         QString str;
23         int data;
24         QChar ch;
25         in>>str>>data>>ch;
26         qDebug() << str << data << ch;
27     }
28 
29     MainWindow w;
30     w.show();
31 
32     return a.exec();
33 }

 

posted @ 2018-04-09 10:14  喵小喵~  阅读(236)  评论(0)    收藏  举报