// 将销售记录写入文档
void Widget::writeXml()
{
// 先从文件读取
if (docRead()) {
QString currentDate = getDateTime(Date);
QDomElement root = doc.documentElement();
// 根据是否有日期节点进行处理
if (!root.hasChildNodes()) {
QDomElement date = doc.createElement(QString("日期"));
QDomAttr curDate = doc.createAttribute("date");
curDate.setValue(currentDate);
date.setAttributeNode(curDate);
root.appendChild(date);
createNodes(date);
} else {
QDomElement date = root.lastChild().toElement();
// 根据是否已经有今天的日期节点进行处理
if (date.attribute("date") == currentDate) {
createNodes(date);
} else {
QDomElement date = doc.createElement(QString("日期"));
QDomAttr curDate = doc.createAttribute("date");
curDate.setValue(currentDate);
date.setAttributeNode(curDate);
root.appendChild(date);
createNodes(date);
}
}
// 写入到文件
docWrite();
}
}
//显示日销售清单
// 显示日销售清单
void Widget::showDailyList()
{
ui->dailyList->clear();
if (docRead())
{
QDomElement root = doc.documentElement();
QString title = root.tagName();
QListWidgetItem *titleItem = new QListWidgetItem;
titleItem->setText(QString("-----%1-----").arg(title));
titleItem->setTextAlignment(Qt::AlignCenter);
ui->dailyList->addItem(titleItem);
if (root.hasChildNodes()) {
QString currentDate = getDateTime(Date);
QDomElement dateElement = root.lastChild().toElement();
QString date = dateElement.attribute("date");
if (date == currentDate) {
ui->dailyList->addItem("");
ui->dailyList->addItem(QString("日期：%1").arg(date));
ui->dailyList->addItem("");
QDomNodeList children = dateElement.childNodes();
// 遍历当日销售的所有商品
for (int i=0; i<children.count(); i++) {
QDomNode node = children.at(i);
QString time = node.toElement().attribute("time");
QDomNodeList list = node.childNodes();
QString type = list.at(0).toElement().text();
QString brand = list.at(1).toElement().text();
QString price = list.at(2).toElement().text();
QString num = list.at(3).toElement().text();
QString sum = list.at(4).toElement().text();
QString str = time + " 出售 " + brand + type
+ " " + num + "台， " + "单价：" + price
+ "元， 共" + sum + "元";
QListWidgetItem *tempItem = new QListWidgetItem;
tempItem->setText("**************************");
tempItem->setTextAlignment(Qt::AlignCenter);
ui->dailyList->addItem(tempItem);
ui->dailyList->addItem(str);
}
}
}
}
}