diff --git a/QtQTableWidgetEx/ExQTableWidget.cpp b/QtQTableWidgetEx/ExQTableWidget.cpp new file mode 100644 index 0000000..5cd4cde --- /dev/null +++ b/QtQTableWidgetEx/ExQTableWidget.cpp @@ -0,0 +1,248 @@ +#include "ExQTableWidget.h" +#include "ui_ExQTableWidget.h" + +ExQTableWidget::ExQTableWidget(QWidget *parent) : + QMainWindow(parent), + ui(new Ui::ExQTableWidget) +{ + ui->setupUi(this); + setWindowTitle(QObject::tr("QTableWidget的讲解和使用")); + + m_labCellIndex = new QLabel("当前单元格坐标：", this); //状态栏初始化 + m_labCellIndex->setMinimumWidth(250); + m_labCellType = new QLabel("当前单元格类型：", this); + m_labCellType->setMinimumWidth(200); + m_labStudID = new QLabel("学生ID：", this); + m_labStudID->setMinimumWidth(200); + ui->statusBar->addWidget(m_labCellIndex); + ui->statusBar->addWidget(m_labCellType); + ui->statusBar->addWidget(m_labStudID); + ui->chkBoxHeadEdit->setChecked(Qt::Unchecked); + + setCentralWidget(ui->splitter_2); + on_btnSetHeader_clicked(); +} + +ExQTableWidget::~ExQTableWidget() +{ + delete ui; +} + +void ExQTableWidget::createItemsARow(int row, QString name, QString sex, QDate birth, QString nation, int score, bool isAnime) +{ + QTableWidgetItem* item = nullptr; + int stunID = 20190913; + QString str = ""; + + item = new QTableWidgetItem(name, cellType::ctName); //创建name 坐标为(0, 0)的item + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); //文本显示居中 + stunID += row; //学号 = 基数 + 行号 + item->setData(Qt::UserRole, QVariant(stunID)); //设置stunID为data + ui->tableWidget->setItem(row, fieldColNum::colName, item); //插入item到tableWidget里面 + + item = new QTableWidgetItem(sex, cellType::ctSex); //性别 + QIcon icon; + if (sex == "男") + icon.addFile(":/images/Image002.ico"); + else + icon.addFile(":/images/Image003.ico"); + item->setIcon(icon); + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); + ui->tableWidget->setItem(row, fieldColNum::colSex, item); + + item = new QTableWidgetItem(birth.toString("yyyy-MM-dd"), cellType::ctBirth);//出生日期 + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); + ui->tableWidget->setItem(row, fieldColNum::colBirth, item); + + item = new QTableWidgetItem(nation, cellType::ctNation); //籍贯 + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); + ui->tableWidget->setItem(row, fieldColNum::colNation, item); + + item = new QTableWidgetItem(str.setNum(score), cellType::ctScore);//成绩 + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); + ui->tableWidget->setItem(row, fieldColNum::colScore, item); + + item = new QTableWidgetItem("喜欢", cellType::ctLikeAnime); //喜欢二次元否? + if (isAnime) + item->setCheckState(Qt::Checked); + else + item->setCheckState(Qt::Unchecked); + item->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter); + item->setBackgroundColor(Qt::gray); + ui->tableWidget->setItem(row, fieldColNum::colLikeAnime, item); +} + +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +//设置表头 +void ExQTableWidget::on_btnSetHeader_clicked() +{ + QTableWidgetItem* item = nullptr; + QStringList list; + list << "姓名" << "性别" << "出生日期" << "籍贯" << "分数" << "是否喜欢二次元"; + +// ui->tableWidget->setHorizontalHeaderLabels(list); //只是初始化表头的每一列的名字 + ui->tableWidget->setColumnCount(list.count()); + + for (int i = 0; i < ui->tableWidget->columnCount(); i++) { + item = new QTableWidgetItem(list.at(i)); //创建一个item + QFont font; + font.setBold(true); + font.setPointSize(12); + item->setFont(font); //设置item的字体，颜色，粗体，大小 + item->setTextColor(Qt::red); + ui->tableWidget->setHorizontalHeaderItem(i, item); //添加item到tableWidget + } +} + +//初始化数据表 +void ExQTableWidget::on_btnInitTable_clicked() +{ + QTime time; + time = QTime::currentTime(); + qsrand(static_cast(time.msec() + time.second() * 1000)); + + QString name = "学生"; + QString sex = "保密"; + QDate birth(2019, 9, 12); + QString nation = "武汉"; + int score = 87; + bool isAnime = true; + + ui->tableWidget->clearContents(); //清除工作区，不清除表头 + int row = ui->tableWidget->rowCount(); + + for (int i = 0; i < row; i++) { //初始化一行行的数据 + name = "学生"; + name += QString::number(i); + int n = qrand() % 2; //产生随机数小于2 + + if (n == 0) { + sex = "男"; + isAnime = true; + } + else { + sex = "女"; + isAnime = false; + } + + score += 10; + birth = birth.addDays(30); + createItemsARow(i, name, sex, birth, nation, score, isAnime); + } +} + +//设置表格的行数 +void ExQTableWidget::on_btnSetRow_clicked() +{ + int n = ui->spinBoxRow->value(); + ui->tableWidget->setRowCount(n); +} + +//插入行 +void ExQTableWidget::on_btnInsertRow_clicked() +{ + int currRow = ui->tableWidget->currentRow(); + ui->tableWidget->insertRow(currRow); //插入一行，不会自动为单元格创建item + createItemsARow(currRow, "插入学生", "女", QDate(2020, 07, 17), "楚国", 87, true); +} + +//在最后一行添加一行 +void ExQTableWidget::on_btnAddRow_clicked() +{ + int row = ui->tableWidget->rowCount(); + ui->tableWidget->insertRow(row); + createItemsARow(row, "添加学生", "女", QDate(2021, 07, 17), "唐朝", 93, true); +} + +//删除当前行 +void ExQTableWidget::on_btnDelRow_clicked() +{ + int currRow = ui->tableWidget->currentRow(); + ui->tableWidget->removeRow(currRow); //删除当前行以及其他items +} + +//自动设置行高 +void ExQTableWidget::on_btnAutoHeight_clicked() +{ + ui->tableWidget->resizeRowsToContents(); //自动调整所有行的内容，以适应内容高度 +} + +//自动设置列高 +void ExQTableWidget::on_btnAutoWidth_clicked() +{ + ui->tableWidget->resizeColumnsToContents(); //自动调整所有列的内容，以适应内容宽度 +} + +//读取表格内容到文本 +void ExQTableWidget::on_btnReadToEdit_clicked() +{ + QTableWidgetItem* item = nullptr; + QString str = ""; + for (int i = 0; i < ui->tableWidget->rowCount(); i++) { + str = ""; + for (int j = 0; j < ui->tableWidget->columnCount() - 1; j++) { + item = ui->tableWidget->item(i, j); + str += item->text() + " "; + } + + item = ui->tableWidget->item(i, fieldColNum::colLikeAnime); + + if (item->checkState() == Qt::Checked) + str += "喜欢二次元"; + else + str += "不喜欢二次元"; + + ui->plainTextEdit->appendPlainText(str); + } + +} + +//表格可编辑模式 +void ExQTableWidget::on_chkBoxHeadEdit_clicked(bool checked) +{ + if (checked) + ui->tableWidget->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked); + else + ui->tableWidget->setEditTriggers(QAbstractItemView::DoubleClicked); +} + +//间隔行底色 +void ExQTableWidget::on_chkBoxRowColor_clicked(bool checked) +{ + ui->tableWidget->setAlternatingRowColors(checked); +} + +//显示行表头 +void ExQTableWidget::on_chkBoxHeadRow_clicked(bool checked) +{ + ui->tableWidget->horizontalHeader()->setVisible(checked); +} + +//显示列表头 +void ExQTableWidget::on_chkBoxHeadCol_clicked(bool checked) +{ + ui->tableWidget->verticalHeader()->setVisible(checked); +} + +//单元格选择 +void ExQTableWidget::on_radioBtnSelectItem_clicked() +{ + ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectItems); +} + +//行选择 +void ExQTableWidget::on_radioBtnSelectRow_clicked() +{ + ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows); +} + +//获取当前item和前一个(点击)item的行列号 +void ExQTableWidget::on_tableWidget_currentCellChanged(int currentRow, int currentColumn, int previousRow, int previousColumn) +{ + m_labCellIndex->setText("当前单元格坐标：[" + QString::number(currentRow) + "行, " + QString::number(currentColumn) + "列]"); + QTableWidgetItem* item = ui->tableWidget->item(currentRow, currentColumn); + int type = item->type(); + m_labCellType->setText("当前单元格类型：" + QString::number(type)); + QTableWidgetItem* item2 = ui->tableWidget->item(currentRow, fieldColNum::colName); + m_labStudID->setText("学生ID：" + item2->data(Qt::UserRole).toString()); +} diff --git a/QtQTableWidgetEx/ExQTableWidget.h b/QtQTableWidgetEx/ExQTableWidget.h new file mode 100644 index 0000000..3575367 --- /dev/null +++ b/QtQTableWidgetEx/ExQTableWidget.h @@ -0,0 +1,82 @@ +#ifndef EXQTABLEWIDGET_H +#define EXQTABLEWIDGET_H + +#include +#include +#include + +namespace Ui { +class ExQTableWidget; +} + +class ExQTableWidget : public QMainWindow +{ + Q_OBJECT + +private: + enum cellType { //自定义表格单元格TYPE的类型,创建item时使用 + ctName, + ctSex, + ctBirth, + ctNation, + ctScore, + ctLikeAnime + }; + + enum fieldColNum { //自定义各个表段在表格中的列号 + colName, + colSex, + colBirth, + colNation, + colScore, + colLikeAnime + }; + +public: + explicit ExQTableWidget(QWidget *parent = nullptr); + ~ExQTableWidget(); + + void createItemsARow(int row, QString name, QString sex, QDate birth, QString nation, int score, bool isAnime); //为某一行创建items + +private slots: + void on_btnSetHeader_clicked(); + + void on_btnInitTable_clicked(); + + void on_btnSetRow_clicked(); + + void on_btnInsertRow_clicked(); + + void on_btnAddRow_clicked(); + + void on_btnDelRow_clicked(); + + void on_btnAutoHeight_clicked(); + + void on_btnAutoWidth_clicked(); + + void on_btnReadToEdit_clicked(); + + void on_chkBoxHeadEdit_clicked(bool checked); + + void on_chkBoxRowColor_clicked(bool checked); + + void on_chkBoxHeadRow_clicked(bool checked); + + void on_chkBoxHeadCol_clicked(bool checked); + + void on_radioBtnSelectItem_clicked(); + + void on_radioBtnSelectRow_clicked(); + + void on_tableWidget_currentCellChanged(int currentRow, int currentColumn, int previousRow, int previousColumn); + +private: + Ui::ExQTableWidget *ui; + + QLabel *m_labCellIndex; //状态栏上用来显示单元格的行号、列号 + QLabel *m_labCellType; //状态栏上用来显示单元格的type + QLabel *m_labStudID; //状态栏上用来显示单元格的学号 +}; + +#endif // EXQTABLEWIDGET_H diff --git a/QtQTableWidgetEx/ExQTableWidget.ui b/QtQTableWidgetEx/ExQTableWidget.ui new file mode 100644 index 0000000..e3516f2 --- /dev/null +++ b/QtQTableWidgetEx/ExQTableWidget.ui @@ -0,0 +1,415 @@ + + + ExQTableWidget + + + + 0 + 0 + 911 + 478 + + + + ExQTableWidget + + + + + + 0 + 0 + 911 + 421 + + + + + 270 + 0 + + + + + 16777215 + 16777215 + + + + Qt::Horizontal + + + + + 270 + 0 + + + + + 320 + 16777215 + + + + + + + 20 + + + + + + + 设置表头 + + + + + + + 设置行数 + + + + + + + 自动调节表格的行高 + + + + + + + 添加行 + + + + + + + 插入行 + + + + + + + 初始化表格 + + + + + + + 读取表格内容到文本 + + + + + + + 删除当前行 + + + + + + + 自动调节表格的列高 + + + + + + + 选择： + + + + + + 单元格选择 + + + true + + + + + + + 行选择 + + + + + + + Qt::Vertical + + + + 20 + 40 + + + + + + + + + + + 显示： + + + + + + 表格可编辑模式 + + + false + + + false + + + + + + + 间隔行底色 + + + false + + + + + + + 显示行表头 + + + true + + + + + + + 显示列表头 + + + true + + + + + + + Qt::Vertical + + + + 20 + 40 + + + + + + + + + + + + + 600 + 0 + + + + Qt::Vertical + + + + + 行0 + + + + + 行1 + + + + + 行2 + + + + + 行3 + + + + + 列0 + + + + + 列1 + + + + + 列2 + + + + + 列3 + + + + + 列4 + + + + + （0, 0） + + + + + （0, 1） + + + + + （0, 2） + + + + + （0, 3） + + + + + （0, 4） + + + + + （1, 0） + + + + + （1, 1） + + + + + （1, 2） + + + + + （1, 3） + + + + + （1, 4） + + + + + （2, 0） + + + + + （2, 1） + + + + + （2, 2） + + + + + （2, 3） + + + + + （2, 4） + + + + + （3, 0） + + + + + （3, 1） + + + + + （3, 2） + + + + + （3, 3） + + + + + （3, 4） + + + + + + + + + + + 0 + 0 + 911 + 23 + + + + + + TopToolBarArea + + + false + + + + + + + + diff --git a/QtQTableWidgetEx/QtQTableWidgetEx.pro b/QtQTableWidgetEx/QtQTableWidgetEx.pro new file mode 100644 index 0000000..b8eff0a --- /dev/null +++ b/QtQTableWidgetEx/QtQTableWidgetEx.pro @@ -0,0 +1,45 @@ +#------------------------------------------------- +# +# Project created by QtCreator 2019-09-10T23:19:17 +# +#------------------------------------------------- + +QT += core gui + +greaterThan(QT_MAJOR_VERSION, 4): QT += widgets + +TARGET = QtQTableWidgetEx +TEMPLATE = app + +# 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 \ + ExQTableWidget.cpp + +HEADERS += \ + ExQTableWidget.h + +FORMS += \ + ExQTableWidget.ui + +RC_ICONS += qt.ico + +# Default rules for deployment. +qnx: target.path = /tmp/$${TARGET}/bin +else: unix:!android: target.path = /opt/$${TARGET}/bin +!isEmpty(target.path): INSTALLS += target + +RESOURCES += \ + resoure.qrc diff --git a/QtQTableWidgetEx/images/Image002.ico b/QtQTableWidgetEx/images/Image002.ico new file mode 100644 index 0000000..3e30b4a Binary files /dev/null and b/QtQTableWidgetEx/images/Image002.ico differ diff --git a/QtQTableWidgetEx/images/Image003.ico b/QtQTableWidgetEx/images/Image003.ico new file mode 100644 index 0000000..ef32fe2 Binary files /dev/null and b/QtQTableWidgetEx/images/Image003.ico differ diff --git a/QtQTableWidgetEx/main.cpp b/QtQTableWidgetEx/main.cpp new file mode 100644 index 0000000..f6aa6ef --- /dev/null +++ b/QtQTableWidgetEx/main.cpp @@ -0,0 +1,11 @@ +#include "ExQTableWidget.h" +#include + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ExQTableWidget w; + w.show(); + + return a.exec(); +} diff --git a/QtQTableWidgetEx/qt.ico b/QtQTableWidgetEx/qt.ico new file mode 100644 index 0000000..0ee0568 Binary files /dev/null and b/QtQTableWidgetEx/qt.ico differ diff --git a/QtQTableWidgetEx/resoure.qrc b/QtQTableWidgetEx/resoure.qrc new file mode 100644 index 0000000..2b1c566 --- /dev/null +++ b/QtQTableWidgetEx/resoure.qrc @@ -0,0 +1,6 @@ + + + images/Image002.ico + images/Image003.ico + +