#include?“downwidget.h“

DownWidget::DownWidget（QWidget?*parent）?:
????QWidget（parent）
{
????int?delay?=?50;

????//按鈕信息初始化
????Button?=?new?QPushButton（“加速“?this）;
????stop?=?new?QPushButton（“停止“this）;
????connect（Button?SIGNAL（clicked（bool））?this?SLOT（Slot（）））;
????connect（stop?SIGNAL（clicked（bool））?this?SLOT（Slot1（）））;
????stop->setGeometry（0?30?93?29）;

????//擋板信息初始化
????bat?=?new?QLabel（this）;
????bat->setstyleSheet（“background-color:gray;?border-radius:5px“）;
????bat->setGeometry（40?40?100?50）;

????//小球信息初始化
????ball?=?new?QLabel（this）;
????ball->resize（50?50）;
????ball->setstyleSheet（“background-color:black;?border-radius:25px“）;


????//變量信息初始化
????x?=?y?=?0;
????dx?=?dy?=?1;
????db?=?20;
????resize（780?500）;
????//執行計時器
????connect（&

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-28?11:48??untitled25\
?????文件???????99298??2018-12-27?09:54??untitled25\QQ1.jpg
?????文件??????????38??2018-12-27?09:48??untitled25\ab.qrc
?????文件?????????103??2018-12-27?15:30??untitled25\beijing.qrc
?????文件????????2333??2018-12-27?10:45??untitled25\downwidget.cpp
?????文件?????????887??2017-10-29?20:53??untitled25\downwidget.h
?????文件????????2727??2018-12-25?18:34??untitled25\gift.cpp
?????文件????????1082??2018-12-25?18:34??untitled25\gift.h
?????文件????????2727??2018-12-25?18:34??untitled25\gift_copy.cpp
?????文件?????????231??2018-12-27?17:01??untitled25\main.cpp
?????文件?????????711??2018-12-27?17:01??untitled25\mainwidget.cpp
?????文件?????????576??2017-10-29?19:41??untitled25\mainwidget.h
?????文件?????????730??2018-12-25?10:44??untitled25\timewidget.cpp
?????文件?????????477??2018-12-27?15:30??untitled25\timewidget.h
?????文件?????????308??2018-12-27?15:28??untitled25\untitled25.pro
?????文件???????23908??2018-12-28?11:48??untitled25\untitled25.pro.user
?????文件???????23896??2017-10-29?17:40??untitled25\untitled25.pro.user.e4a86c2
?????文件?????????758??2018-12-25?10:44??untitled25\upwidget.cpp
?????文件?????????490??2017-10-29?19:17??untitled25\upwidget.h