「深度学习福利」大神带你进阶工程师，立即查看>>> #include "widget.h" #include <QLabel> // disply static text, or image #include <QPushButton> #include <QLineEdit> // single line #include <QComboBox> #include <QCheckBox> #include <QRadioButton> #include <QTextEdit> // multi lines, rich text #include <QTextBrowser> // readonly textedit #include <QGroupBox> // #include <QSlider> // 模拟方式显示数值 #include <QSpinBox> // 数字 #include <QDateEdit> #include <QTimeEdit> #include <QDateTimeEdit> #include <QTabWidget> // 不介绍,不算控件 #include <QCompleter> #include <QHBoxLayout> #include <QDebug> #include <QPixmap> #include <QVBoxLayout> #include <QLCDNumber> Widget::Widget(QWidget *parent) : QWidget(parent) { QVBoxLayout* lay = new QVBoxLayout(this); QPushButton* button; QLabel* label; lay->addWidget(label = new QLabel("<a href=www.baidu.com>baidu</a>")); connect(label, &QLabel::linkActivated, [](QString str){ qDebug() << str; }); // label->setPixmap(QPixmap("../qtblog.png")); QRadioButton* radio; lay->addWidget(radio = new QRadioButton("Radio")); radio->setStyleSheet("QRadioButton {font:bold 16px; color:red; padding:5px}"); connect(radio, &QRadioButton::clicked, [](bool v){ qDebug() << v; }); QCheckBox *check; lay->addWidget(check = new QCheckBox("check box")); connect(check, &QCheckBox::clicked, [](bool v){ qDebug() << v; }); QComboBox* combo; lay->addWidget(combo = new QComboBox()); combo->addItem("Select item1"); combo->addItem("Select item2"); combo->setEditable(true); connect(combo, SIGNAL(currentIndexChanged(QString)), this, SLOT(slotComboBoxIndexChanged(QString))); combo->setCompleter(new QCompleter(combo->model())); QTextEdit* edit; //可以在QTextEdit中显示图片 lay->addWidget(edit = new QTextEdit); edit->setText( "<table border=1><tr><th>head1</th><th>head2</th></tr>" "<tr><td>value1</td><td>value2</td></tr>" "<tr><td>value3</td><td>value4</td></tr>" "</table><br>" "<img src=../test0005.jpg></img>" ); edit->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); //添加滚动条 edit->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);//水平方向滚动条关闭 // _edit = edit; // connect(edit, &QTextEdit::textChanged, [&](){ // // QTextEdit* edit = (QTextEdit*)this->sender(); // qDebug() << _edit->toPlainText(); // }); QGroupBox* group; lay->addWidget(group = new QGroupBox("Some items")); QHBoxLayout* hBoxLay; group->setLayout(hBoxLay = new QHBoxLayout); hBoxLay->addWidget(new QPushButton("aaaa")); hBoxLay->addWidget(new QPushButton("aaaa")); QSlider* slider; QSpinBox* spinBox; lay->addWidget(slider = new QSlider(Qt::Horizontal)); slider->setMaximum(100); slider->setMinimum(0); lay->addWidget(spinBox = new QSpinBox); spinBox->setMaximum(100); spinBox->setMinimum(0); connect(slider, SIGNAL(valueChanged(int)), spinBox, SLOT(setValue(int))); connect(spinBox, SIGNAL(valueChanged(int)), slider, SLOT(setValue(int))); QLCDNumber* lcd; lay->addWidget(lcd = new QLCDNumber(10)); lcd->display(12345); lcd->setMode(QLCDNumber::Hex); lcd->setSegmentStyle(QLCDNumber::Outline); } void Widget::slotComboBoxIndexChanged(const QString & str) { qDebug() << "slotComboBoxIndexChanged" << str; }