基于百度地图Web API的物联设备调试工具(一)

//串口轮询
void Frame::fillPortsInfo()
{
static const QString blankString = QObject::tr("N/A");
QString description;
QString manufacturer;
QString serialNumber;
int i = 0;
ui->comboBoxSerial->clear();
foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
QStringList list;
description = info.description();
manufacturer = info.manufacturer();
serialNumber = info.serialNumber();
list << info.portName()
<< (!description.isEmpty() ? description : blankString)
<< (!manufacturer.isEmpty() ? manufacturer : blankString)
<< (!serialNumber.isEmpty() ? serialNumber : blankString)
<< info.systemLocation()
<< (info.vendorIdentifier() ? QString::number(info.vendorIdentifier(), 16) : blankString)
<< (info.productIdentifier() ? QString::number(info.productIdentifier(), 16) : blankString);

QString portName = list.first();
ui->comboBoxSerial->insertItem(i, portName);
i++;
}
}

//打开串口
void Frame::openSerialPort()
{
serial->setPortName(ui->comboBoxSerial->currentText());
serial->setBaudRate(QSerialPort::Baud115200);
serial->setDataBits(QSerialPort::Data8);
serial->setParity(QSerialPort::NoParity);
serial->setStopBits(QSerialPort::OneStop);
serial->setFlowControl(QSerialPort::NoFlowControl);
if (serial->open(QIODevice::ReadWrite))
{
ui->console->setEnabled(true);
ui->console->setLocalEchoEnabled(true);
ComFlag = true;
return;
}
else
ComMcuFlag = false;
}

//读串口

connect(serial, SIGNAL(readyRead()), this, SLOT(SerialReadData()));

void Frame::SerialReadData()
{
QByteArray data = serial->readAll();
ui->console->putData(data);
}

//写串口
void Frame::SerialWriteData(const QByteArray &data)
{
serial->write(data);
}

//略

TCP Server接收到移动终端上传得位置数据(GPS, LBS, WIFI等)后, 解析相关数据, 构建Web请求字符串, 发送Http请求.

QNetworkRequest request;
QString reqUrl;
QString infoStr;

QNetworkAccessManager* manager;

//发送GPS请求
reqUrl.sprintf("http://api.map.baidu.com/geoconv/v1/?coords=%.6f,%.6f&ak=申请的key&output=xml", lng.a, lat.a);
infoStr=QString("设备:%1 电量:%2 %3").arg(imei).arg(dev_voltage).arg(dev_utc);
request.setAttribute(QNetworkRequest::User,infoStr);
request.setUrl(QUrl(reqUrl));
manager->get(request);

//发送LBS请求
reqUrl.sprintf("http://api.gpsspg.com/bs/?oid=5039&key=4153C361801F6CA3A06087702FD1994F&bs=%x,%x,%d,%d&to=2&output=xml",
mcc.a, mnc, lac.a, ceilid.a);

infoStr=QString("设备:%1 电量:%2 %3").arg(imei).arg(dev_voltage).arg(dev_utc);
request.setAttribute(QNetworkRequest::User,infoStr);
request.setUrl(QUrl(reqUrl));
manager->get(request);

//Http响应处理
connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(httpReplyFinish(QNetworkReply*)));

void Frame::httpReplyFinish(QNetworkReply* reply)
{
QString result = reply->readAll().simplified();
QString url    = reply->url().toString();

QVariant userData = reply->request().attribute(QNetworkRequest::User);
QString userDataStr = userData.value<QString>();

if (url.contains("api.gpsspg.com"))
{
//在这里解析返回的addrsss, roads, latitude, longitude略

//定位并添加标注
JyGAPI->GisShowAddressWithTitle(lat.a,lng.a, userDataStr);

itemStr.sprintf("L: %.6f,%.6f", lat.a, lng.a);
pos_vec.push_back(itemStr);
item = new QStandardItem(itemStr);
standardItemModel->setItem(pos_vec.size()-1, item);
}

else if (url.contains("api.map.baidu.com"))
{
//在这里解析纠偏后的经纬度, 略

//定位并添加标注
JyGAPI->GisShowAddressWithTitle(dlat,dlng, userDataStr);

itemStr.sprintf("G: %.6f,%.6f", dlat, dlng);
pos_vec.push_back(itemStr);
item = new QStandardItem(itemStr);
standardItemModel->setItem(pos_vec.size()-1, item);
}
}