qt_demoe/dbpage/main.cpp

39 lines
1.0 KiB
C++

#include "frmdbpage.h"
#include <QtGui>
#include <QtSql>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setFont(QFont("Microsoft Yahei", 9));
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
//打开数据库,整个应用程序可用
QSqlDatabase dbConn = QSqlDatabase::addDatabase("QSQLITE");
dbConn.setDatabaseName(qApp->applicationDirPath() + "/TA.db");
if (dbConn.open()) {
qDebug() << "连接数据库成功!";
} else {
qDebug() << "连接数据库失败!";
}
frmDbPage w;
w.setWindowTitle("数据库分页示例(作者:517216493)");
w.show();
return a.exec();
}