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  • 大小: 1.19MB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2023-08-09
  • 語(yǔ)言: 其他
  • 標(biāo)簽: QT;VS2017??

資源簡(jiǎn)介

兩個(gè)小程序,socket實(shí)現(xiàn)數(shù)據(jù)本地收發(fā),定時(shí)器40ms一飛行,80ms一發(fā)送,顯控端顯示飛行軌跡。老師布置的小任務(wù),本人自學(xué)2天QT做的小程序,都是最簡(jiǎn)單的應(yīng)用,一點(diǎn)小經(jīng)驗(yàn),注釋齊全,適合初學(xué)者參考學(xué)習(xí)。

資源截圖

代碼片段和文件信息

#include?
#include?“Console.h“
#include?“ui_Console.h“



Console::Console(QWidget?*parent)
:?QMainWindow(parent)
{
ui.setupUi(this);
S_UdpSocket.bind(5099);
connect(&S_UdpSocket?SIGNAL(readyRead())?SLOT(onProcessPendingDatagrams()));

qScene?=?new?QGraphicsScene(this);
qScene->setSceneRect(0??0??ui.graphicsView->width()-5??ui.graphicsView->height()-5?);
pixMapItem?=?new?QGraphicsPixmapItem();
image?=?new?QPixmap(“plane.png“);
pixMapItem->setPixmap(image->scaled(20?20));
x0?=?qScene->height()?/?2;
y0?=?qScene->width()?/?2;
scale?=?qScene->height()?/?2?/?10000;
pixMapItem->setPos(x0-10?y0-10);

//初始化畫板
qScene->addItem(pixMapItem);
qScene->addLine(x0??0??x0??qScene->width());
qScene->addLine(0??y0??qScene->height()??y0);
ui.graphicsView->setScene(qScene);


QTimer?*?timer_clock?=?new?QTimer(this);
connect(timer_clock?SIGNAL(timeout())?this?SLOT(showTime()));
timer_clock->start(1000);????????//每1000ms刷新一次,即1秒
showTime();
}

Console::~Console()
{

}

double?Console::angle()
{
return?orientation?*?180?/?Pi;
}






void?Console::onProcessPendingDatagrams()?
{
last_x?=?now_x;
last_y?=?now_y;

QByteArray?datagram;
while?(S_UdpSocket.hasPendingDatagrams())?//是否有數(shù)據(jù)包等待讀取??
{
datagram.resize(S_UdpSocket.pendingDatagramSize());
S_UdpSocket.readDatagram(datagram.data()?datagram.size());
}

QDataStream?in(&datagram?QIODevice::ReadOnly);?//從datagram中讀取數(shù)據(jù)??
in.setVersion(QDataStream::Qt_5_9);

in?>>?now_x?>>?now_y?>>?speed?>>?orientation;
ui.label_4->setText(QString::number(now_x?10?2));
ui.label_9->setText(QString::number(now_y?10?2));
ui.label_5->setText(QString::number(speed?10?2));
ui.label_6->setText(QString::number(angle()?10?2));


if?(now_x?==?0?&&?now_y?==?0) //回正時(shí)初始化清空畫板,防止點(diǎn)回正時(shí)出現(xiàn)一條從最后位置連向原點(diǎn)的線
{
qScene->clear();
pixMapItem?=?new?QGraphicsPixmapItem();
pixMapItem->setPixmap(image->scaled(20?20));
pixMapItem->setPos(x0?-?10?y0?-?10);
QPointF?centerPos?=?pixMapItem->boundingRect().center();
pixMapItem->setTransformOriginPoint(centerPos.x()?centerPos.y());
pixMapItem->setRotation(-angle());
qScene->addItem(pixMapItem);
qScene->addLine(x0?0?x0?qScene->width());
qScene->addLine(0?y0?qScene->height()?y0);

}

else //繪制軌跡
{
QGraphicsLineItem?*pLine?=?new?QGraphicsLineItem();

QPen?pen?=?pLine->pen();
pen.setColor(QColor(0?160?230));
pen.setWidth(2);
pLine->setPen(pen);

pLine->setLine(QLineF(last_x?*?scale?+?x0?-last_y?*?scale?+?y0?now_x?*?scale?+?x0?-now_y?*?scale?+?y0));

qScene->addItem(pLine);
pixMapItem->setPos(now_x?*?scale?+?x0?-?10?-now_y?*?scale?+?y0?-?10);
}
QPointF?centerPos?=?pixMapItem->boundingRect().center();
pixMapItem->setTransformOriginPoint(centerPos.x()?centerPos.y());
pixMapItem->setRotation(-angle());
}


void?Console::Btn_TakeOff_Click() //起飛按鈕事件
{
QByteArray?datagram;
QDataStream?o

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

????I.A....??????1073??2018-05-14?16:34??Console.sln

????I.A....??????1067??2018-05-14?16:34??plane.sln

????I.A....??????6029??2018-05-14?16:34??Console\Console.cpp

????I.A....??????1334??2018-05-14?16:34??Console\Console.h

????I.A....????????67??2018-05-14?16:34??Console\Console.qrc

????I.A....?????12728??2018-05-14?16:34??Console\Console.ui

????I.A....??????8511??2018-05-14?16:34??Console\Console.vcxproj

????I.A....??????2036??2018-05-14?16:34??Console\Console.vcxproj.filters

????I.A....???????617??2018-05-14?16:34??Console\Console.vcxproj.user

????I.A....??????4921??2018-05-14?16:34??Console\GeneratedFiles\Debug\moc_Console.cpp

????I.A....??????1396??2018-05-14?16:34??Console\GeneratedFiles\qrc_Console.cpp

????I.A....?????11437??2018-05-14?16:34??Console\GeneratedFiles\ui_Console.h

????I.A....???????183??2018-05-14?16:34??Console\main.cpp

????I.A....??????7163??2018-05-14?16:34??Console\plane.png

?????文件????????141??2018-05-14?16:34??Console\x64\Debug\Console.log

?????文件?????456271??2018-05-14?16:34??Console\x64\Debug\Console.obj

?????文件???????5550??2018-05-14?16:34??Console\x64\Debug\Console.tlog\CL.command.1.tlog

?????文件??????95654??2018-05-14?16:34??Console\x64\Debug\Console.tlog\CL.read.1.tlog

?????文件???????1796??2018-05-14?16:34??Console\x64\Debug\Console.tlog\CL.write.1.tlog

?????文件????????202??2018-05-14?16:34??Console\x64\Debug\Console.tlog\Console.lastbuildstate

?????文件???????1774??2018-05-14?16:34??Console\x64\Debug\Console.tlog\link.command.1.tlog

?????文件???????4282??2018-05-14?16:34??Console\x64\Debug\Console.tlog\link.read.1.tlog

?????文件????????744??2018-05-14?16:34??Console\x64\Debug\Console.tlog\link.write.1.tlog

?????文件?????109754??2018-05-14?16:34??Console\x64\Debug\main.obj

?????文件?????118517??2018-05-14?16:34??Console\x64\Debug\moc_Console.obj

?????文件???????6480??2018-05-14?16:34??Console\x64\Debug\qrc_Console.obj

?????文件????2150400??2018-05-14?16:34??Console\x64\Debug\vc141.pdb

????I.A....???????208??2018-05-14?16:34??plane\function.cpp

????I.A....???????134??2018-05-14?16:34??plane\function.h

?????文件???????2711??2018-05-14?16:34??plane\GeneratedFiles\Debug\moc_ModelPlane.cpp

............此處省略47個(gè)文件信息

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