Qt实现天气预报与PM2.5监测系统（9）空气质量

Qt实现天气预报与PM2.5监测系统（9）空气质量

#ifndef SHOWAQI_H
#define SHOWAQI_H
#include <QtGui>
#include "showlabel.h"
class ShowAqi : public QWidget
{
Q_OBJECT
public:
ShowAqi(QWidget *parent=0);
void updateVal(QString *daily);
void setValue(QString value);
int get_x_point(int val);
public slots:

private:
int pm25_net;
int pm25_local;
int pm10;
int aqi;
ShowLabel *aqiInfo;
ShowLabel *aqiItem;
ShowLabel *aqiValue;
ShowLabel *aqiValNet;
ShowLabel *aqiValLocal;
ShowLabel *net_falg;
ShowLabel *local_falg;
QLabel *aqiIndexNet;
QLabel *aqiIndexLocal;
QLabel *aqiPic;
};

#endif // SHOWAQI_H

#include "showaqi.h"

ShowAqi::ShowAqi( QWidget *parent)
: QWidget( parent)
{

this->setMinimumSize(1024,600);
this->setMaximumSize(1024,600);

aqiInfo = new ShowLabel(this);
aqiInfo->addFontSize(8);
aqiInfo->setAlignment(Qt::AlignHCenter);
aqiInfo->setGeometry(QRect(200,60,800,60));
aqiInfo->setText(tr("细颗粒物指数 (PM 2.5)"));

pm25_net = 75;

int x;
x = get_x_point(pm25_net);
//net value
aqiIndexNet = new QLabel(this);
aqiIndexNet->setAlignment(Qt::AlignHCenter);
aqiIndexNet->setGeometry(QRect(x, 150, 80, 80));
aqiIndexNet->setPixmap(QPixmap(":/images/index_net.png"));

aqiValNet = new ShowLabel(this);
aqiValNet->addFontSize(0);
aqiValNet->setAlignment(Qt::AlignHCenter);
aqiValNet->setGeometry(QRect(x, 170, 80, 80));
aqiValNet->setText(QString::number(pm25_net));

net_falg = new ShowLabel(this);
net_falg->setAlignment(Qt::AlignHCenter);
net_falg->setGeometry(QRect(x, 120, 80, 80));
net_falg->setText(tr("网络"));

pm25_local = 256;
x = get_x_point(pm25_local);
//local value
aqiIndexLocal = new QLabel(this);
aqiIndexLocal->setAlignment(Qt::AlignHCenter);
aqiIndexLocal->setGeometry(QRect(x, 290, 80, 80));
aqiIndexLocal->setPixmap(QPixmap(":/images/index_local.png"));

aqiValLocal = new ShowLabel(this);
aqiValLocal->addFontSize(0);
aqiValLocal->setAlignment(Qt::AlignHCenter);
aqiValLocal->setGeometry(QRect(x, 320, 80, 80));
aqiValLocal->setText(QString::number(pm25_local));

local_falg = new ShowLabel(this);
local_falg->setAlignment(Qt::AlignHCenter);
local_falg->setGeometry(QRect(x, 365, 80, 80));
local_falg->setText(tr("本地"));

aqiPic = new QLabel(this);
aqiPic->setAlignment(Qt::AlignHCenter);
aqiPic->setGeometry(QRect(230, 230, 800, 100));
aqiPic->setPixmap(QPixmap(":/images/aqi.png"));
// aqiPic->setScaledContents(true);

aqiValue = new ShowLabel(this);
aqiValue->addFontSize(1);
aqiValue->setAlignment(Qt::AlignHCenter);
aqiValue->setGeometry(QRect(210, 460, 800, 60));
aqiValue->setText(tr("武汉     AQI(空气质量指数)  94     PM2.5  45     PM10  56"));

}

int ShowAqi::get_x_point(int val)
{
int base = 230+40;

if(val>0){
if(val>500) return base+600;
if(val<0) return base;

if(val>=0 && val<=200)
return val*2 + base;

if(val>200 && val<=300)
return (val-200) + base + 400;

if(val>300 && val<=500)
return (val-300)/2 + base + 500;
}else{
return base;
}

}

void ShowAqi::updateVal(QString *aqiArr)
{
pm25_net = aqiArr[0].toInt();
pm25_local = aqiArr[3].toInt();

int x;
x = get_x_point(pm25_net);
//net value
aqiIndexNet->setGeometry(QRect(x, 150, 80, 80));

aqiValNet->setGeometry(QRect(x, 170, 80, 80));
aqiValNet->setText(QString::number(pm25_net));

net_falg->setGeometry(QRect(x, 120, 80, 80));

x = get_x_point(pm25_local);
//local value
aqiIndexLocal->setGeometry(QRect(x, 290, 80, 80));

aqiValLocal->setGeometry(QRect(x, 320, 80, 80));
aqiValLocal->setText(QString::number(pm25_local));

local_falg->setGeometry(QRect(x, 365, 80, 80));

aqiValue->setText(aqiArr[4] + tr("    AQI(空气质量指数)  ") + aqiArr[2] + tr("    PM2.5  ") + aqiArr[0] + tr("     PM10  ") + aqiArr[1]);

}