#include "frmmain.h" #include "ui_frmmain.h" #include "appkey.h" frmMain::frmMain(QWidget *parent) : QWidget(parent), ui(new Ui::frmMain) { ui->setupUi(this); } frmMain::~frmMain() { delete ui; } void frmMain::on_btnAdd_clicked() { QString name = ui->lineEdit->text().trimmed(); ui->listWidget->addItem(name); //计算当前设备数量多少 AppKey::Instance()->checkCount(ui->listWidget->count()); }