#include "searchinfo.h" #include "ui_searchinfo.h" #include SearchInfo::SearchInfo(QWidget *parent) : QMainWindow(parent), ui(new Ui::SearchInfo) { ui->setupUi(this); if(QSqlDatabase::contains("qt_sql_default_connection")){ m_db = QSqlDatabase::addDatabase("qt_sql_default_connection"); }else{ m_db = QSqlDatabase::addDatabase("QSQLITE"); } m_db.setDatabaseName("sqlData.db"); if(m_db.open()){ qDebug()<<"db open ok"; m_db.close(); }else{ qDebug()<<"db open fail"; } } SearchInfo::~SearchInfo() { delete ui; }