QT登陆页面跳转到主界面的源代码

#include "login.h" #include "ui_login.h" #include<QPushButton> login::login(QWidget *parent) :QDialog(parent),ui(new Ui::login) { ui->setupUi(this); //取消最大化以及自由拉伸 setWindowFlags(windowFlags() & ~Qt::WindowMinimizeButtonHint); setFixedSize(this->width(),this->height()); } login::~login() { delete ui; } void login::on_btn1_clicked() { this->hide(); emit showmain(); }