Filepath_Textlabel->setText(filename);
}
}
但是注释掉QString filename= QFileDialog::getOpenFileName("/root",QString::null,this,"Open File Dialog","Choose a File to Open");就不会死机。另外建个工程单独使用QString filename= QFileDialog::getOpenFileName("/root",QString::null,this,"Open File Dialog","Choose a File to Open");也没问题。请求助。