[QT] Qt プロジェクトのデモ: データは UI インターフェイスに表示され、マウスをダブルクリックするとウィンドウがポップアップして特定の情報が表示されます。

1. プロジェクト概要

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2. 走行結果

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I. マウスクリック
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II. マウスのダブルクリック
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3. ソースファイルコード

1、RecData.pro

#-------------------------------------------------
#
# Project created by QtCreator 2022-07-23T15:24:27
#
#-------------------------------------------------

QT       += core gui sql

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = RecData
TEMPLATE = app

#TEMPLATE = lib

#DEFINES += RECDATA_LIBRARY

# The following define makes your compiler emit warnings if you use
# any feature of Qt which has been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

CONFIG += c++11

SOURCES += \
        main.cpp \
        RecData.cpp \
        showdata.cpp

HEADERS += \
        RecData.h \
        showdata.h

FORMS += \
        RecData.ui \
        showdata.ui

# Default rules for deployment.
qnx: target.path = /tmp/$${
    
    TARGET}/bin
else: unix:!android: target.path = /opt/$${
    
    TARGET}/bin
!isEmpty(target.path): INSTALLS += target

2、RecData.h

#ifndef RECDATA_H
#define RECDATA_H

#include <QWidget>
#include <QStandardItemModel>
#include <QAbstractItemView>
#include <QPushButton>
#include <QTime>
#include <QSqlRecord>
#include <QDebug>
#include <QMessageBox>
#include <QMouseEvent>
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonDocument>

namespace Ui {
    
    
class RecData;
}

class RecData : public QWidget
{
    
    
    Q_OBJECT

public:
    explicit RecData(QWidget *parent = nullptr);
    ~RecData();

private slots:
    void on_tableView_doubleClicked(const QModelIndex &index);

    void on_tableView_clicked(const QModelIndex &index);

private:
    Ui::RecData *ui;

    QModelIndex pindex;
    QString pstr;

//    QStandardItemModel *model;
};

#endif // RECDATA_H

3、RecData.cpp

#pragma execution_character_set("utf-8")
#include "RecData.h"
#include "ui_RecData.h"
#include "showdata.h"
#include "ui_showdata.h"

QStandardItemModel *model = nullptr;

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

    //QStandardItemModel *model = new QStandardItemModel();
    model = new QStandardItemModel;

    model->setHorizontalHeaderItem(0,new QStandardItem(QObject::tr("No")));
    model->setHorizontalHeaderItem(1,new QStandardItem(QObject::tr("时间")));
    model->setHorizontalHeaderItem(2,new QStandardItem(QObject::tr("实现方式")));
    model->setHorizontalHeaderItem(3,new QStandardItem(QObject::tr("使用方式")));
    model->setHorizontalHeaderItem(4,new QStandardItem(QObject::tr("频率")));
    model->setHorizontalHeaderItem(5,new QStandardItem(QObject::tr("主题")));
    model->setHorizontalHeaderItem(6,new QStandardItem(QObject::tr("描述")));

    ui->tableView->setModel(model);
    ui->tableView->horizontalHeader()->setDefaultAlignment(Qt::AlignCenter);
    ui->tableView->setColumnWidth(6,300);
    ui->tableView->verticalHeader()->hide();
    // 行选择,选中整行
    ui->tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui->tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    // 选择模式,单选
    ui->tableView->setSelectionMode(QAbstractItemView::SingleSelection);
    //ui->tableView->setSelectionMode(QAbstractItemView::MultiSelection);
    //隔行变色
    ui->tableView->setAlternatingRowColors(true);
    //根据内容自动调整列宽
    ui->tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    //最后一行是否铺满剩余空间
    ui->tableView->horizontalHeader()->setStretchLastSection(true);

    //QString framedata = QString("[%1]:RX").arg(QTime::currentTime().toString("HH:mm:ss.zzz"));
    //model->setHorizontalHeaderItem(1,QStandardItem(framedata));

    QDateTime current_date_time = QDateTime::currentDateTime();    //获取当前系统时间
    QString current_date = current_date_time.toString("yyyy/MM/dd hh:mm:ss"); //时间格式
    qDebug() << current_date;

    model->setItem(0,0,new QStandardItem("1"));
    model->setItem(0,1, new QStandardItem("2022/07/23"));
    model->setItem(0,2, new QStandardItem("publish"));
    model->setItem(0,3, new QStandardItem("subscribe"));
    model->setItem(0,4, new QStandardItem("1HZ"));
    model->setItem(0,5, new QStandardItem("/10001901/2/1"));
    model->setItem(0,6, new QStandardItem("系统开机状态报文"));

    model->setItem(1,0,new QStandardItem("2"));
    model->setItem(1,1, new QStandardItem("2022/07/23"));
    model->setItem(1,2, new QStandardItem("publish"));
    model->setItem(1,3, new QStandardItem("subscribe"));
    model->setItem(1,4, new QStandardItem("1HZ"));
    model->setItem(1,5, new QStandardItem("/10001901/2/2"));
    model->setItem(1,6, new QStandardItem("点迹/航迹信息内容"));

    model->setItem(2,0,new QStandardItem("3"));
    model->setItem(2,1, new QStandardItem("2022/07/25"));
    model->setItem(2,2, new QStandardItem("publish"));
    model->setItem(2,3, new QStandardItem("subscribe"));
    model->setItem(2,4, new QStandardItem("1HZ"));
    model->setItem(2,5, new QStandardItem("/10001901/2/3"));
    model->setItem(2,6, new QStandardItem("BIT状态信息消息"));

    model->setItem(3,0,new QStandardItem("4"));
    model->setItem(3,1, new QStandardItem("2022/07/26"));
    model->setItem(3,2, new QStandardItem("publish"));
    model->setItem(3,3, new QStandardItem("subscribe"));
    model->setItem(3,4, new QStandardItem("2HZ"));
    model->setItem(3,5, new QStandardItem("/10001801/3/1"));
    model->setItem(3,6, new QStandardItem("声波信息消息"));

    model->setItem(4,0,new QStandardItem("5"));
    model->setItem(4,1, new QStandardItem("2022/08/01"));
    model->setItem(4,2, new QStandardItem("publish"));
    model->setItem(4,3, new QStandardItem("subscribe"));
    model->setItem(4,4, new QStandardItem("5HZ"));
    model->setItem(4,5, new QStandardItem("/10002201/4/2"));
    model->setItem(4,6, new QStandardItem("测量艇底层控制箱反馈数据"));


    //connect(ui->tableView, SIGNAL(doubleClicked(const QModelIndex &)), this, SLOT(on_tableView_doubleClicked(const QModelIndex &)));

    //connect(ui->tableView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(on_tableView_doubleClicked(const QModelIndex &)));

}

RecData::~RecData()
{
    
    
    delete ui;
}

void RecData::on_tableView_doubleClicked(const QModelIndex &index)
{
    
    
    showData *dataWindow = new showData;
    dataWindow->setWindowTitle("showData");
    dataWindow->show();

    QModelIndex row = ui->tableView->currentIndex();
    qDebug() << row;

    QStringList list;

    for(int i = 0; i < model->columnCount(); i++)
    {
    
    
        pindex = model->index(index.row(),i);
        pstr = model->data(pindex).toString();
        list << pstr;
        qDebug() << "data is: +" << pstr;
    }

    dataWindow->setData(list);

}

void RecData::on_tableView_clicked(const QModelIndex &index)
{
    
    
    ui->plainTextEdit->clear();

    for(int i = 0; i < model->columnCount(); i++)
    {
    
    
        pindex = model->index(index.row(),i);
        pstr = model->data(pindex).toString();
        ui->plainTextEdit->appendPlainText(pstr);
        qDebug() << "data is: +" << pstr;
    }

}

4、showdata.h

#ifndef SHOWDATA_H
#define SHOWDATA_H

#include <QWidget>

namespace Ui {
    
    
class showData;
}

class showData : public QWidget
{
    
    
    Q_OBJECT

public:
    explicit showData(QWidget *parent = nullptr);
    ~showData();

    void setData(QStringList &list);

private:
    Ui::showData *ui;
};

#endif // SHOWDATA_H

5、showdata.cpp

#include "showdata.h"
#include "RecData.h"
#include "ui_showdata.h"

extern RecData *model;

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

}

showData::~showData()
{
    
    
    delete ui;
}

void showData::setData(QStringList &list)
{
    
    
    for(const auto &iter : list)
    {
    
    
        ui->plainTextEdit->appendPlainText(iter);
    }

}

6、main.cpp

#include "RecData.h"
#include <QApplication>

int main(int argc, char *argv[])
{
    
    
    QApplication a(argc, argv);
    RecData w;
    w.show();

    return a.exec();
}

7、RecData.ui

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8、showdata.ui

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4.プロジェクトのダウンロードアドレス

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転載: blog.csdn.net/Cappuccino_jay/article/details/126136727