QCheckBox使用示例

最新推荐文章于 2025-03-21 15:18:03 发布

临渊慎行

最新推荐文章于 2025-03-21 15:18:03 发布

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分类专栏： QT笔记文章标签： Qt QCheckBox QGroupBox 事件处理信号槽

原文链接：https://blog.youkuaiyun.com/qq_20252351/article/details/94222366

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完整示例
转载自：https://blog.youkuaiyun.com/qq_20252351/article/details/94222366

效果展示：
在这里插入图片描述

代码部分
CheckBoxText.h

#ifndef CHECKBOXTEST_H
#define CHECKBOXTEST_H

#include <QWidget>

#include <QLabel>
#include <QVector>
#include <QCheckBox>
#include <QGroupBox>
QT_BEGIN_NAMESPACE
namespace Ui { class CheckBoxTest; }
QT_END_NAMESPACE

class CheckBoxTest : public QWidget
{
    Q_OBJECT

public:
    CheckBoxTest(QWidget *parent = nullptr);
    ~CheckBoxTest();



    void msleep(int s);
    //void showInfo();
public slots:

    void showToast();


private:
    Ui::CheckBoxTest *ui;

    QString vect[3];
        QGroupBox *GroupBox;
        QCheckBox *CheckBox1;
        QCheckBox *CheckBox2;
        QCheckBox *CheckBox3;
        QLabel *label;

};
#endif // CHECKBOXTEST_H

CheckBoxText.cpp

#include "checkboxtest.h"
#include "ui_checkboxtest.h"
#include<QDebug>

#include <QString>
#include <QLabel>
#include <QFont>
#include <QThread>
#include <QGroupBox>
#include <QGridLayout>
#include <QCheckBox>
#include <QPropertyAnimation>

CheckBoxTest::CheckBoxTest(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::CheckBoxTest)
{
    ui->setupUi(this);

    setGeometry(100, 100, 200, 100);
        QGridLayout *GridLayout = new QGridLayout();
        GroupBox = new QGroupBox();
        CheckBox1 = new QCheckBox("qulu");
        CheckBox2 = new QCheckBox("baobao");
        CheckBox3 = new QCheckBox("xll");

        label = new QLabel();
        label->setGeometry(100,100,0,0);
        label->setText("qulu baobao xll");
        label->setAlignment(Qt::AlignCenter);
        label->setFont(QFont("宋体",20,QFont::Bold));
        GridLayout->addWidget(label);
        GridLayout->addWidget(CheckBox1);
        GridLayout->addWidget(CheckBox2);
        GridLayout->addWidget(CheckBox3);
        GroupBox->setLayout(GridLayout);

        connect(CheckBox1, SIGNAL(clicked(bool)), this, SLOT(showToast()));
        connect(CheckBox2, SIGNAL(clicked(bool)), this, SLOT(showToast()));
        connect(CheckBox3, SIGNAL(clicked(bool)), this, SLOT(showToast()));

        setLayout(GridLayout);


}

CheckBoxTest::~CheckBoxTest()
{
    delete ui;

    delete label;
        delete GroupBox;
        delete CheckBox1;
        delete CheckBox2;
        delete CheckBox3;

}

void CheckBoxTest::showToast()
{
    if(CheckBox1->isChecked())
        {
            vect[0] = "qulu ";
        }
        else {
            vect[0] = " ";
        }

        if(CheckBox2->isChecked())
        {
            vect[1] = "baobao ";
        }
        else {
            vect[1] = " ";
        }

        if(CheckBox3->isChecked())
        {
            vect[2] = "xll";
        }
        else {
            vect[2] = " ";
        }

        QString string = vect[0] + vect[1] + vect[2];

        while(3 < string.length() && ' ' == string.at(0))
        {
            string.remove(0, 1);
        }

        label->setText(string);
        label->show();

}

main()

#include "checkboxtest.h"

#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    CheckBoxTest w;
    w.show();
    return a.exec();
}