Qt解析XML及QTableWidget用法示例

港控/mmm° 2022-10-06 02:54 226阅读 0赞

#include "widget.h"
    #include "ui_widget.h"
    #include <QFile>
    #include <QDomDocument>
    #include <QDebug>
    
    Widget::Widget(QWidget *parent)
        : QWidget(parent)
        , ui(new Ui::Widget)
    {
        ui->setupUi(this);
    
    
        setWindowTitle("解析XML示例");
        setFixedSize(1360, 800);
    
        ui->tableWidget->setRowCount(0);
        ui->tableWidget->setColumnCount(6);
    
        ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
        ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
        ui->tableWidget->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
        ui->tableWidget->verticalHeader()->setHidden(true);
        ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
    
        ui->tableWidget->setHorizontalHeaderItem(0, new QTableWidgetItem("TITLE"));
        ui->tableWidget->setHorizontalHeaderItem(1, new QTableWidgetItem("ARTIST"));
        ui->tableWidget->setHorizontalHeaderItem(2, new QTableWidgetItem("COUNTRY"));
        ui->tableWidget->setHorizontalHeaderItem(3, new QTableWidgetItem("COMPANY"));
        ui->tableWidget->setHorizontalHeaderItem(4, new QTableWidgetItem("PRICE"));
        ui->tableWidget->setHorizontalHeaderItem(5, new QTableWidgetItem("YEAR"));
    
        QFile file("C:\\Users\\xieyincai\\Desktop\\cd_catalog.xml");
        file.open(QIODevice::ReadOnly);
    
        QDomDocument doc;
        doc.setContent(&file);
    
        QDomElement root = doc.documentElement();
    
        if(root.hasChildNodes())
        {
            QDomNodeList catalogList = root.toElement().childNodes();
    
            for(int i=0; i<catalogList.count(); i++)
            {
                QDomElement cd = catalogList.at(i).toElement();
                QDomNodeList cdList = cd.toElement().childNodes();
    
                int index = ui->tableWidget->rowCount();
                //ui->tableWidget->setRowCount(index + 1);
                ui->tableWidget->insertRow(index);
    
                for(int j=0; j<cdList.count(); j++)
                {
                    //qDebug() << cdList.at(j).toElement().text();
    
                    ui->tableWidget->setItem(index, j, new QTableWidgetItem(cdList.at(j).toElement().text()));
                    ui->tableWidget->item(index, j)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);
    
                }
                //qDebug() << "-------------------------";
            }
        }
    
    }
    
    Widget::~Widget()
    {
        delete ui;
    }

#include "widget.h"
    #include <QStyleFactory>
    #include <QApplication>
    
    int main(int argc, char *argv[])
    {
        QApplication a(argc, argv);
        QApplication::setStyle(QStyleFactory::create("Fusion"));
        Widget w;
        w.show();
        return a.exec();
    }

<?xml version="1.0" encoding="UTF-8"?>
    
    <CATALOG>
    	<CD>
    		<TITLE>Empire Burlesque</TITLE>
    		<ARTIST>Bob Dylan</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>Columbia</COMPANY>
    		<PRICE>10.90</PRICE>
    		<YEAR>1985</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Hide your heart</TITLE>
    		<ARTIST>Bonnie Tyler</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>CBS Records</COMPANY>
    		<PRICE>9.90</PRICE>
    		<YEAR>1988</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Greatest Hits</TITLE>
    		<ARTIST>Dolly Parton</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>RCA</COMPANY>
    		<PRICE>9.90</PRICE>
    		<YEAR>1982</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Still got the blues</TITLE>
    		<ARTIST>Gary Moore</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Virgin records</COMPANY>
    		<PRICE>10.20</PRICE>
    		<YEAR>1990</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Eros</TITLE>
    		<ARTIST>Eros Ramazzotti</ARTIST>
    		<COUNTRY>EU</COUNTRY>
    		<COMPANY>BMG</COMPANY>
    		<PRICE>9.90</PRICE>
    		<YEAR>1997</YEAR>
    	</CD>
    	<CD>
    		<TITLE>One night only</TITLE>
    		<ARTIST>Bee Gees</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Polydor</COMPANY>
    		<PRICE>10.90</PRICE>
    		<YEAR>1998</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Sylvias Mother</TITLE>
    		<ARTIST>Dr.Hook</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>CBS</COMPANY>
    		<PRICE>8.10</PRICE>
    		<YEAR>1973</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Maggie May</TITLE>
    		<ARTIST>Rod Stewart</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Pickwick</COMPANY>
    		<PRICE>8.50</PRICE>
    		<YEAR>1990</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Romanza</TITLE>
    		<ARTIST>Andrea Bocelli</ARTIST>
    		<COUNTRY>EU</COUNTRY>
    		<COMPANY>Polydor</COMPANY>
    		<PRICE>10.80</PRICE>
    		<YEAR>1996</YEAR>
    	</CD>
    	<CD>
    		<TITLE>When a man loves a woman</TITLE>
    		<ARTIST>Percy Sledge</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>Atlantic</COMPANY>
    		<PRICE>8.70</PRICE>
    		<YEAR>1987</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Black angel</TITLE>
    		<ARTIST>Savage Rose</ARTIST>
    		<COUNTRY>EU</COUNTRY>
    		<COMPANY>Mega</COMPANY>
    		<PRICE>10.90</PRICE>
    		<YEAR>1995</YEAR>
    	</CD>
    	<CD>
    		<TITLE>1999 Grammy Nominees</TITLE>
    		<ARTIST>Many</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>Grammy</COMPANY>
    		<PRICE>10.20</PRICE>
    		<YEAR>1999</YEAR>
    	</CD>
    	<CD>
    		<TITLE>For the good times</TITLE>
    		<ARTIST>Kenny Rogers</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Mucik Master</COMPANY>
    		<PRICE>8.70</PRICE>
    		<YEAR>1995</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Big Willie style</TITLE>
    		<ARTIST>Will Smith</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>Columbia</COMPANY>
    		<PRICE>9.90</PRICE>
    		<YEAR>1997</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Tupelo Honey</TITLE>
    		<ARTIST>Van Morrison</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Polydor</COMPANY>
    		<PRICE>8.20</PRICE>
    		<YEAR>1971</YEAR>
    	</CD>
    	<CD>
    		<TITLE>The very best of</TITLE>
    		<ARTIST>Cat Stevens</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Island</COMPANY>
    		<PRICE>8.90</PRICE>
    		<YEAR>1990</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Stop</TITLE>
    		<ARTIST>Sam Brown</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>A and M</COMPANY>
    		<PRICE>8.90</PRICE>
    		<YEAR>1988</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Bridge of Spies</TITLE>
    		<ARTIST>T'Pau</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Siren</COMPANY>
    		<PRICE>7.90</PRICE>
    		<YEAR>1987</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Private Dancer</TITLE>
    		<ARTIST>Tina Turner</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>Capitol</COMPANY>
    		<PRICE>8.90</PRICE>
    		<YEAR>1983</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Midt om natten</TITLE>
    		<ARTIST>Kim Larsen</ARTIST>
    		<COUNTRY>EU</COUNTRY>
    		<COMPANY>Medley</COMPANY>
    		<PRICE>7.80</PRICE>
    		<YEAR>1983</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Pavarotti Gala Concert</TITLE>
    		<ARTIST>Luciano Pavarotti</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>DECCA</COMPANY>
    		<PRICE>9.90</PRICE>
    		<YEAR>1991</YEAR>
    	</CD>
    	<CD>
    		<TITLE>The dock of the bay</TITLE>
    		<ARTIST>Otis Redding</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>Atlantic</COMPANY>
    		<PRICE>7.90</PRICE>
    		<YEAR>1987</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Picture book</TITLE>
    		<ARTIST>Simply Red</ARTIST>
    		<COUNTRY>EU</COUNTRY>
    		<COMPANY>Elektra</COMPANY>
    		<PRICE>7.20</PRICE>
    		<YEAR>1985</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Red</TITLE>
    		<ARTIST>The Communards</ARTIST>
    		<COUNTRY>UK</COUNTRY>
    		<COMPANY>London</COMPANY>
    		<PRICE>7.80</PRICE>
    		<YEAR>1987</YEAR>
    	</CD>
    	<CD>
    		<TITLE>Unchain my heart</TITLE>
    		<ARTIST>Joe Cocker</ARTIST>
    		<COUNTRY>USA</COUNTRY>
    		<COMPANY>EMI</COMPANY>
    		<PRICE>8.20</PRICE>
    		<YEAR>1987</YEAR>
    	</CD>
    </CATALOG>