QWidegtTest.7z

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); init(); initConnect(); } Widget::~Widget() { delete ui; } void Widget::init() { //运行点击表头进行排序 ui->tableWidget->setSortingEnabled(true); //排序接口 // ui->tableWidget->sortItems(0,Qt::AscendingOrder); } void Widget::initConnect() { connect(ui->chSort,SIGNAL(clicked()),this,SLOT(slot_chSort())); connect(ui->timeSort,SIGNAL(clicked()),this,SLOT(slot_timeSort())); } void Widget::slot_timeSort() { QList<QDateTime> list; //将tablewidget中指定列数据添加到QList for(int i=0;i<ui->tableWidget->rowCount();i++) { QDateTime time = QDateTime::fromString(ui->tableWidget->item(i,0)->text(),"yyyy-MM-dd hh:mm:ss"); list.append(time); } // std::sort(list.begin(), list.end(), &Widget::compareDec); 错误用法 // std::sort(list.begin(), list.end(), [](QDateTime &time1, QDateTime &time2){return time1>time2;}); qSort(list.begin(), list.end(), [](QDateTime &time1, QDateTime &time2){return time1>time2;}); for(int row=0;row<list.size();row++) { ui->tableWidget->item(row,0)->setText(list[row].toString("yyyy-MM-dd HH:mm:ss")); } //ui->tableWidget->setItem(1,1,ui->tableWidget->item(1,0))); 错误用法 // ui->tableWidget->setItem(1,1,new QTableWidgetItem(ui->tableWidget->item(1,0)->text())); ui->tableWidget->setSortingEnabled(true); } void Widget::slot_chSort() { QLocale local(QLocale::Chinese); QCollator collator(local); collator.setNumericMode(true); QStringList list; for(int i=0;i<ui->tableWidget_2->rowCount();i++) { if(ui->tableWidget_2->item(i,0)!=nullptr && !ui->tableWidget_2->item(i,0)->text().isEmpty()) { list.append(ui->tableWidget_2->item(i,0)->text()); } } qSort(list.begin(),list.end(),collator); ui->tableWidget_2->clearContents(); for(int i=0;i<list.count();i++) { ui->tableWidget_2->setItem(i,0,new QTableWidgetItem(list[i])); } // ui->tableWidget_2->setSortingEnabled(true); }