smart-greenhouse/historydata.cpp

#include "historydata.h"
#include "ui_historydata.h"

#include <QMessageBox>
#include <QPen>

historyData::historyData(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::historyData)
{
    ui->setupUi(this);

    //设置窗口标题
    this->setWindowTitle("历史数据");
    this->setFixedSize(this->width(), this->height());

    //实例化
    chart = new QChart;
    chart->setAnimationOptions(QChart::SeriesAnimations);  //在缩放窗口大小时可以用动画进行美化
    TemSeries = new QLineSeries();
    HumSeries = new QLineSeries();
    LightSeries = new QLineSeries();
    SmokeSeries = new QLineSeries();
    paintXY();

    //创建套接字，和A9服务器取得连接
    historyDataSocket = new QTcpSocket(this);
    historyDataSocket->connectToHost("192.168.200.105", 7777);

    connect(historyDataSocket, SIGNAL(readyRead()), this, SLOT(recvA9ServerSlot()));
}

historyData::~historyData()
{
    delete ui;
    historyDataSocket->close();
    historyDataSocket = NULL;
}

void historyData::on_historyDataReturnBrn_clicked()
{
    TemSeries->clear();
    HumSeries->clear();
    LightSeries->clear();
    SmokeSeries->clear();
    emit historyDataToWidgetSignal();
}

void historyData::on_searchHistoryDataBtn_clicked()
{
    QString command = {"searchHistoryData"};
    QByteArray arr;
    arr.clear();
    arr.append(command);
    if(this->historyDataSocket->write(arr) == -1)
    {
        int ret = QMessageBox::question(this, "提交命令失败", "你提交的命令并没有上传到服务器！！！", QMessageBox::Yes);
    }
    else
    {
        int ret = QMessageBox::question(this, "提交成功", "恭喜你成功提交数据到服务器！！！", QMessageBox::Yes);
    }

    //清空坐标里的内容
    TemSeries->clear();
    HumSeries->clear();
    LightSeries->clear();
    SmokeSeries->clear();

    paintTemSeries();
    paintHumSeries();
    paintLightSeries();
    paintSmokeSeries();

}

void historyData::recvA9ServerSlot()
{
    QByteArray recvServer = historyDataSocket->readAll();
    qDebug() << "history recv " << recvServer;
}

//画坐标轴
void historyData::paintXY()
{
    axisX = new QValueAxis;
    //设置坐标轴的格式
    
    axisX->setRange(0,12);     //设置范围
    axisX->setLabelFormat("%d");    //设置刻度的格式
    axisX->setGridLineVisible(true);    //网格线可见
    axisX->setTickCount(12);    //设置多少格
    axisX->setMinorTickCount(5);    //设置每格小刻度线的数目
    chart->addAxis(axisX, Qt::AlignBottom);   //为chart设置x轴，并把轴附加到线上

    axisY = new QValueAxis;
    axisY->setRange(0,100);     //设置范围
    axisY->setLabelFormat("%d");    //设置刻度的格式
    axisY->setGridLineVisible(true);    //网格线可见
    axisY->setTickCount(11);    //设置多少格
    axisY->setMinorTickCount(5);    //设置每格小刻度线的数目
    chart->addAxis(axisY, Qt::AlignLeft);   //为chart设置y轴，并把轴附加到线上

    //用Qchart在QChartView上面
    ui->canvas->setChart(chart);
    ui->canvas->setRenderHint(QPainter::Antialiasing);   //抗锯齿
}

//画温度的折线统计图
void historyData::paintTemSeries()
{
    //设置一个pen给线
    QPen TemPen;
    TemPen.setWidth(2);
    TemPen.setColor(Qt::red);

    //把笔交给线
    TemSeries->setPen(TemPen);
    TemSeries->setName("温度");

    *TemSeries << QPointF(0,24) << QPointF(1,23) << QPointF(2,25) << QPointF(3,27) << QPointF(4,29)<< QPointF(5,29) << QPointF(6,30) << QPointF(7,32) << QPointF(8,35)<< QPointF(9,37) << QPointF(10,35) << QPointF(11,33) << QPointF(12,30);
    chart->addSeries(TemSeries);

    //把线绑定到坐标轴上
    TemSeries->attachAxis(axisX);
    TemSeries->attachAxis(axisY);
}

//画湿度的折线统计图
void historyData::paintHumSeries()
{
    //设置一个pen给线
    QPen HumPen;
    HumPen.setWidth(2);
    HumPen.setColor(Qt::yellow);

    //把笔交给线
    HumSeries->setPen(HumPen);
    HumSeries->setName("湿度");

    *HumSeries << QPointF(0,65) << QPointF(1,67) << QPointF(2,64) << QPointF(3,64) << QPointF(4,62)<< QPointF(5,60) << QPointF(6,58) << QPointF(7,57) << QPointF(8,57)<< QPointF(9,55) << QPointF(10,56) << QPointF(11,58) << QPointF(12,62);
    chart->addSeries(HumSeries);

    //把线绑定到坐标轴上
    HumSeries->attachAxis(axisX);
    HumSeries->attachAxis(axisY);
}

//画光照强度的折线统计图
void historyData::paintLightSeries()
{
    //设置一个pen给线
    QPen LightPen;
    LightPen.setWidth(2);
    LightPen.setColor(Qt::green);

    //把笔交给线
    LightSeries->setPen(LightPen);
    LightSeries->setName("光照强度");

    *LightSeries << QPointF(0,48) << QPointF(1,53) << QPointF(2,52) << QPointF(3,51) << QPointF(4,53)<< QPointF(5,50) << QPointF(6,55) << QPointF(7,60) << QPointF(8,68)<< QPointF(9,69) << QPointF(10,75) << QPointF(11,62) << QPointF(12,55);
    chart->addSeries(LightSeries);

    //把线绑定到坐标轴上
    LightSeries->attachAxis(axisX);
    LightSeries->attachAxis(axisY);
}

//画烟雾浓度的折线统计图
void historyData::paintSmokeSeries()
{
    //设置一个pen给线
    QPen SmokePen;
    SmokePen.setWidth(2);
    SmokePen.setColor(Qt::blue);

    //把笔交给线
    SmokeSeries->setPen(SmokePen);
    SmokeSeries->setName("烟雾浓度");

    *SmokeSeries << QPointF(0,10) << QPointF(3,10) << QPointF(7,10) << QPointF(9,10) << QPointF(12,10);
    chart->addSeries(SmokeSeries);

    //把线绑定到坐标轴上
    SmokeSeries->attachAxis(axisX);
    SmokeSeries->attachAxis(axisY);

}