彻底改版2.0

other/dbpage/main.cpp

@@ -0,0 +1,41 @@
+#include "frmdbpage.h"
+#include "qapplication.h"
+#include "qtextcodec.h"
+#include "qsqldatabase.h"
+#include "qsqlquery.h"
+#include "qdebug.h"
+
+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();
+}