255 lines
8.1 KiB
C++
255 lines
8.1 KiB
C++
#include "coalstatisticschartwidget.h"
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#include "ui_coalstatisticschartwidget.h"
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#include <QHttpPart>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <QUrl>
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#include <QUrlQuery>
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CoalStatisticsChartWidget::CoalStatisticsChartWidget(QWidget* parent)
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: QWidget(parent)
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, ui(new Ui::CoalStatisticsChartWidget)
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{
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ui->setupUi(this);
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m_systemSetting = new QSettings("system.ini", QSettings::IniFormat);
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initCoalStatisticsBarChart();
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getCoalStatisInfoByHttpRequest("2024-09-01 08", "2024-09-02 08");
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}
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CoalStatisticsChartWidget::~CoalStatisticsChartWidget()
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{
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delete ui;
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}
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void CoalStatisticsChartWidget::on_pushButton_coalStatisOk_clicked()
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{
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// 时间范围
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QString beginTimeStr = ui->dateTimeEdit_startTime->text();
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QString endTimeStr = ui->dateTimeEdit_endTime->text();
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qDebug() << "beginTimeStr" << beginTimeStr;
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qDebug() << "endTimeStr" << endTimeStr;
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// 创建 QDateTime 对象
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QDateTime beginTime = QDateTime::fromString(beginTimeStr, "yyyy/MM/d HH:mm");
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QDateTime endTime = QDateTime::fromString(endTimeStr, "yyyy/MM/d HH:mm");
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// 判断是否转换成功
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if (!beginTime.isValid() || !endTime.isValid()) {
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qDebug() << "Invalid date/time format!";
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return;
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}
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int unitIndex = ui->comboBox_unit->currentIndex();
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// 选择的时间单位
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switch (unitIndex) {
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case TimeUnit::Hour: {
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// 计算整时
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QList<QDateTime> dateTimes;
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int minutes = beginTime.time().minute(); // 获取分钟部分
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beginTime = beginTime.addSecs(-minutes * 60); // 向下取整
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// 遍历时间范围
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while (beginTime <= endTime) {
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dateTimes.append(beginTime);
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beginTime = beginTime.addSecs(3600); // 增加1小时
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}
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// 输出结果
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for (const QDateTime& dateTime : dateTimes) {
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qDebug() << "整小时数" << dateTime.toString("yyyy/MM/d HH:mm");
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}
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break;
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}
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case TimeUnit::Day: {
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// 计算整天
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QList<QDateTime> dateTimes;
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beginTime.setTime(QTime(0, 0)); // 将起始时间设置为当天的00:00:00
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// 遍历时间范围
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while (beginTime <= endTime) {
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dateTimes.append(beginTime);
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beginTime = beginTime.addDays(1); // 增加1天
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}
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// 输出结果
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for (const QDateTime& dateTime : dateTimes) {
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qDebug() << "整天数" << dateTime.toString("yyyy/MM/d");
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}
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break;
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}
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case TimeUnit::Month: {
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// 计算整月
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QList<QDateTime> dateTimes;
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beginTime.setDate(QDate(beginTime.date().year(), beginTime.date().month(), 1)); // 设置为当月的1号
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// 遍历时间范围
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while (beginTime <= endTime) {
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dateTimes.append(beginTime);
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beginTime = beginTime.addMonths(1); // 增加1个月
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}
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// 输出结果
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for (const QDateTime& dateTime : dateTimes) {
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qDebug() << "整月数" << dateTime.toString("yyyy/MM");
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}
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break;
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}
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case TimeUnit::Year: {
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// 计算整年
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QList<QDateTime> dateTimes;
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beginTime.setDate(QDate(beginTime.date().year(), 1, 1)); // 设置为当年的1月1日
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// 遍历时间范围
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while (beginTime <= endTime) {
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dateTimes.append(beginTime);
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beginTime = beginTime.addYears(1); // 增加1年
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}
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// 输出结果
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for (const QDateTime& dateTime : dateTimes) {
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qDebug() << "整年数" << dateTime.toString("yyyy");
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}
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break;
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}
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default:
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qDebug() << "无效的时间单位!";
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break;
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}
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}
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void CoalStatisticsChartWidget::initCoalStatisticsBarChart()
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{
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// 创建图表
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m_chart = new QChart();
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m_chart->setBackgroundBrush(Qt::transparent);
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m_chart->setMargins(QMargins(0, 0, 0, 0));
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m_chart->legend()->hide();
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// 创建图表视图并设置
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m_chartView = new QChartView(m_chart);
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m_chartView->setBackgroundBrush(Qt::transparent);
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m_chartView->setStyleSheet("background: transparent;");
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m_chartView->setRenderHint(QPainter::Antialiasing);
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m_chartView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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// 创建柱状图
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m_series = new QBarSeries();
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m_chart->addSeries(m_series);
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// 设置X轴为时间
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m_axisX = new QDateTimeAxis;
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m_axisX->setFormat("yyyy/MM/d H"); // 设置日期时间格式
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// m_axisX->setTitleText("时间");
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m_axisX->setTitleBrush(QBrush(Qt::gray));
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m_axisX->setLinePen(QPen(Qt::gray));
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m_axisX->setLabelsColor(Qt::gray);
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// 获取当前时间并设置时间范围为最近六个小时
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QDateTime currentTime = QDateTime::currentDateTime();
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QDateTime startTime = currentTime.addSecs(-6 * 3600); // 当前时间减去六个小时
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// m_axisX->setLabelsAngle(45);
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// 设置X轴时间范围
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m_axisX->setRange(startTime, currentTime);
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m_chart->addAxis(m_axisX, Qt::AlignBottom);
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m_series->attachAxis(m_axisX);
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// 设置Y轴为百分比
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m_axisY = new QValueAxis;
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m_axisY->setTitleText("吨");
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m_axisY->setTitleBrush(QBrush(Qt::gray));
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m_axisY->setLinePen(QPen(Qt::gray));
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m_axisY->setLabelsColor(Qt::gray);
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m_axisY->setRange(0, 100);
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m_chart->addAxis(m_axisY, Qt::AlignLeft);
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m_series->attachAxis(m_axisY);
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m_axisY->setTitleFont(QFont("Arial", 10));
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m_axisY->setTitleVisible(true);
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// 获取 widget_coalChart 的布局
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QVBoxLayout* layout = static_cast<QVBoxLayout*>(ui->widget_coalChart->layout());
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if (!layout) {
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// 如果没有布局，创建一个新的布局并设置
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layout = new QVBoxLayout(ui->widget_coalChart);
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ui->widget_coalChart->setLayout(layout);
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}
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// 设置布局参数
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(0);
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// 确保视图只添加一次
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if (!layout->indexOf(m_chartView) != -1) {
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layout->addWidget(m_chartView);
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}
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}
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void CoalStatisticsChartWidget::getCoalStatisInfoByHttpRequest(const QString& beginTime, const QString& endTime)
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{
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// 使用类成员变量 QNetworkAccessManager
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QNetworkAccessManager* manager = new QNetworkAccessManager(this);
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QString coalStaticUrl = m_systemSetting->value("coalStaticInterface/url").toString();
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// URL
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QUrl url(coalStaticUrl);
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QNetworkRequest request(url);
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// Form data
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QHttpMultiPart* multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
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// begin_time 参数
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QHttpPart beginTimePart;
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beginTimePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"begin_time\""));
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beginTimePart.setBody(beginTime.toUtf8());
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// end_time 参数
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QHttpPart endTimePart;
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endTimePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"end_time\""));
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endTimePart.setBody(endTime.toUtf8());
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// 将表单字段附加到 multipart 请求体中
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multiPart->append(beginTimePart);
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multiPart->append(endTimePart);
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// 发送 POST 请求
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QNetworkReply* reply = manager->post(request, multiPart);
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// 连接信号和槽
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QObject::connect(reply, &QNetworkReply::finished, [this, reply, multiPart]() {
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if (reply->error() == QNetworkReply::NoError) {
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// 处理成功的响应
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QByteArray responseData = reply->readAll();
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QJsonDocument jsonResponse = QJsonDocument::fromJson(responseData);
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QJsonObject jsonObj = jsonResponse.object();
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int code = jsonObj["code"].toInt();
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QString message = jsonObj["message"].toString();
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QJsonObject data = jsonObj["data"].toObject();
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double totalVolume = data["total_volum"].toDouble();
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qDebug() << "Code:" << code;
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qDebug() << "Message:" << message;
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qDebug() << "Total Volume:" << totalVolume;
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} else {
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// 处理错误
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QString errorString = reply->errorString();
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qDebug() << "Error:" << errorString;
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}
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// 清理资源
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reply->deleteLater();
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multiPart->deleteLater();
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});
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}
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