Qt解析XML及QTableWidget用法示例

#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"?>
<!-- Edited with XML Spy v2007 (http://www.altova.com) -->
<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>

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