#include "problemrectstandingbook.h" #include "ui_problemrectstandingbook.h" #include <QSqlQuery> #include <QDebug> ProblemRectStandingBook::ProblemRectStandingBook(QWidget *parent) : QMainWindow(parent), ui(new Ui::ProblemRectStandingBook) { ui->setupUi(this); searchComName(); } ProblemRectStandingBook::~ProblemRectStandingBook() { delete ui; } void ProblemRectStandingBook::searchComName() { QSqlQuery query; QString sql = QString("select id,name,code from company_info"); if(query.exec(sql)){ qDebug()<<"size:"<<query.numRowsAffected(); while(query.next()){ int id = query.value(0).toInt(); QString name = query.value(1).toString(); QString code = query.value(2).toString(); qDebug()<<"com select:"<<id<<name; m_comInfo[name] = id; //m_comCode[name] = code; ui->comboBox_company->addItem(name); } } }