SQLITE数据库

概述QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); db.setDatabaseName("support"); if(!db.open()) { QMessageBox::critical(0, qApp->tr("Cannot open database"),

QsqlDatabase db = QsqlDatabase::addDatabase("QsqlITE");    db.setDatabasename("support");    if(!db.open())    {        QMessageBox::critical(0,qApp->tr("Cannot open database"),qApp->tr("Unable to establish a database connection.\n"                     "This example needs sqlite support. Please read "                     "the Qt sql driver documentation for information how "                     "to build it.\n\n"                     "Click Cancel to exit."),QMessageBox::Cancel);        return false;    }    Qsqlquery q;    q.exec("create table student(ID integer primary key,name varchar,age integer)");    q.exec("insert into student(ID,name,age) values(1001,'AnPan',21)");    q.exec("insert into student(ID,age) values(1002,'CaolL',22)");    return true;

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