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Thread: help~help~

  1. #1
    Registered User
    Join Date
    Mar 2011

    Question help~help~

    How can I write a database searching program with an existing .db file.
    It looks like the .db file can't be read.
    What's more,the .db file can't be added into the built .sis file.
    The .sis file only 25KB,but the .db is 1.5MB.
    I'm a newbie ,please help me ~~Thank you

    #ifndef DATABASE_H
    #define DATABASE_H
    #include <QSqlDatabase>
    #include <QSqlQuery>
    static bool createConnection()
        QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
        if(!db.open()) return false;
        QSqlQuery query;
        return true;
    #endif // DATABASE_H

    I've written this code in mainwindow.cpp
            QSqlQueryModel *model = new QSqlQueryModel;
            model->setQuery("select * from UAA1");
            model->setHeaderData(0, Qt::Horizontal, tr("Point"));
            model->setHeaderData(1, Qt::Horizontal, tr("Desr"));
            model->setHeaderData(2, Qt::Horizontal, tr("PID"));
            model->setHeaderData(3, Qt::Horizontal, tr("Sensor"));
            model->setHeaderData(4, Qt::Horizontal, tr("Drwg"));
            model->setHeaderData(5, Qt::Horizontal, tr("Drwg2"));
            model->setHeaderData(6, Qt::Horizontal, tr("Timer"));
            model->setHeaderData(7, Qt::Horizontal, tr("ExpectValue"));
            model->setHeaderData(8, Qt::Horizontal, tr("RealValue"));

    I just want to make a program to seaching the data from a table.
    Or anyone tell me a easier way.
    Last edited by officer0310; 2011-03-24 at 13:12.

  2. #2
    Registered User
    Join Date
    May 2009

    Re: help~help~

    First, the question title won't help. I seriously recommend choosing a better title next time.

    As for your question, to include the database in the sis package, you have to add something in the project (pro) file.

    Something like this (assumming the database is in the same path as the source):

    database.sources = "your_database"
    database.path = .
    DEPLOYMENT += database

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