类似excel表格 它基于 QT 中的 QAction, QMainWindow, QMenuBar，QStatusBar, QTabeWidget, QToolBar等一些其他的Qt 类-Similar to the excel table is based on QT in QAction, QMainWindow, QMenuBar, QStatusBar, QTabeWidget, QToolBar and some other Qt classes

qt主窗口函数，能够让自学者有一定的认识了解-qt main window function that allows self-learners have some knowledge to understand

#include <QtGui/QApplication> #include "mainwindow.h" //以下是手工添加的引用 #include <QSqlDatabase> #include <QSqlError> #include <QMessageBox> //这个是手工添加的函数 void OpenDatabase() { }(#ifndef MAINWINDOW_H #define

QT Qmainwindow中子窗口中显示图片并进行缩放(QT Qmainwindow neutron window displays pictures and scales them)