qt背景设置

this->setStyleSheet("QDialog {background-image:url(:/images/backgroup.png)}");

ui->userlineEdit->setStyleSheet("QLineEdit {background: transparent;border :1px ;}");

ui->pwdlineEdit->setStyleSheet("QLineEdit {background: transparent;border :1px ;}");

ui->loginpushButton->setStyleSheet("QPushButton {background: transparent;border :1px}");

ui->exitpushButton->setStyleSheet("QPushButton {background: transparent;border :1px}");