粉丝悬浮动态，及抽奖程序

#include "masklabel.h"MaskLabel::MaskLabel(int pos_x,QString fans_name,QWidget*parent):QLabel(parent)
{this->setAlignment(Qt::AlignHCenter);//设置字体居中this->setStyleSheet("color:white;font-size:20px");//设置字体颜色大小animation_fans = new QPropertyAnimation(this,"pos");animation_fans->setStartValue(QPoint(pos_x,900));//起始位置animation_fans->setEndValue(QPoint(pos_x,-50));//结束位置animation_fans->setDirection(QAbstractAnimation::Direction::Forward);animation_fans->setDuration(15000);//时长15妙animation_fans->start(QAbstractAnimation::DeleteWhenStopped);//动画结束后自动关闭，释放内存this->setText("粉丝名称的长度设置初始化");this->adjustSize();//自适应文字的长度this->setFixedHeight(50);//设置高度this->setText(fans_name);//导入粉丝的名称QGraphicsOpacityEffect* pGra = new QGraphicsOpacityEffect(this);pGra->setOpacity(0);this->setGraphicsEffect(pGra);QPropertyAnimation* animation_opa = new QPropertyAnimation(pGra,"opacity");animation_opa->setDuration(2000);animation_opa->setStartValue(0);animation_opa->setEndValue(1);animation_opa->start(QAbstractAnimation::DeleteWhenStopped);}MaskLabel::~MaskLabel()
{}

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent) :QWidget(parent),ui(new Ui::Widget)
{ui->setupUi(this);this->setStyleSheet("#frame{background-image:url(:/new/prefix1/res/pic/background.jpg)}");mytime = new QTimer(this);connect(mytime,SIGNAL(timeout()),this,SLOT(slot_timeout()));QFile nameFile(":/new/prefix1/res/txt/fans_name.txt");if(false == nameFile.open(QIODevice::ReadOnly)){return;}QTextStream toText(&nameFile);toText.setCodec("GBK");while (!nameFile.atEnd()) {QString name = nameFile.readLine();name_items << name.replace("\n","");}nameFile.close();btn_items << ui->btn_1 << ui->btn_2 << ui->btn_3 << ui->btn_4;for(int i = 0;i < btn_items.count();i++){connect(btn_items[i],SIGNAL(clicked(bool)),this,SLOT(slot_btn_click()));btn_items[i]->setStyleSheet("QPushButton{color:rgb(75,152,204);background-color:rgb(255,255,255);border-radius:20px}""QPushButton::hover{color:rgb(53,135,202)}");btn_items[i]->hide();}mytime->start(10000);ui->label_head->setStyleSheet("color:rgba(255,255,255,100)");ui->label_head->setAlignment(Qt::AlignHCenter);
}void Widget::qMsleep(int msec)
{QTime dieTime = QTime::currentTime().addMSecs(msec);while( QTime::currentTime() < dieTime )QCoreApplication::processEvents(QEventLoop::AllEvents, 200);
}void Widget::slot_timeout()
{mytime->stop();int pos_x;int k = 0;int arr_pox_x[11] = {20,220,420,620,820,1020,120,320,520,720,920};for(int i = 0; i < name_items.count();i++){pos_x = arr_pox_x[k++];label_items << new MaskLabel(pos_x,name_items[i],this);label_items[i]->show();if(k == 6){qMsleep(1500);}else if(k == 11){k = 0;qMsleep(1500);}}qMsleep(15000);for(int i = 0;i < btn_items.count();i++){btn_items[i]->show();}ui->label_head->setText("幸运粉丝");ui->label_head->setStyleSheet("color:rgba(255,255,255,255)");
}void Widget::slot_btn_click()
{QPushButton* btn = qobject_cast<QPushButton*>(sender());QTime randtime;randtime = QTime::currentTime();qsrand(randtime.msec() + randtime.second() * 1000);int num = qrand()%name_items.count();btn->setText(name_items[num]);btn->setDisabled(true);
}Widget::~Widget()
{delete ui;
}