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        在项目设计中， 有鼠标滑动需求，但是只能说能力有限，索性使用 php版本的数组分页，解决问题。 经常有用到分页，索性做一个简单封装、

测试用例

  QTime curtime = QTime::currentTime();nHour = curtime.hour();nMin = curtime.minute();nSec = curtime.second();setTimeBtnWidget(nHour, 24, ceil(nHour / 6), 6,1, ui->verticalLayout_10);setTimeBtnWidget(nMin, 60, ceil(nMin / 6), 6, 2, ui->verticalLayout_2);setTimeBtnWidget(nSec, 60, ceil(nSec / 6), 6, 3, ui->verticalLayout_4);

 使用方法

	/*** @breif  : 设置 时间上下按钮* @param  : index 第几个* @param  : count 总数量* @param  : page  第几页* @param  : size  显示数量* @param  : type  类型* @param  : QLayout  布局名称* @return : void* @date   : 2024/01/10 16:28*/void setTimeBtnWidget(int index,int count,int page,int size,int type, QLayout* layout);

  封装函数 

void CCalendarWidget::setTimeBtnWidget(int index,int count,int page,int size,int type, QLayout* layout)
{clearLayout(layout);int  tatakPage = (int)ceil(count / size);int offset = (page - 1) * size;for (int i = 0; i < 8; i++) {QPushButton* pBtn = new QPushButton();if (i == 0){//星期widgetQWidget* upBtnWidget = new QWidget;upBtnWidget->setMaximumWidth(40);//星期布局QHBoxLayout* layoutUpWidget = new QHBoxLayout(upBtnWidget);pBtn->setFixedSize(10, 6);pBtn->setChecked(true);pBtn->setStyleSheet("border-image:url(:/images/Resources/images/CCalendarWidget/upBtn.png);border:none;font-size: 14px;color:#FFFFFF;");pBtn->setCursor(Qt::PointingHandCursor);layoutUpWidget->spacing();layoutUpWidget->addWidget(pBtn);layoutUpWidget->spacing();layout->addWidget(upBtnWidget);connect(pBtn, &QPushButton::clicked, [=]{if (timeIndex >= 0 && timeIndex <= tatakPage){setTimeBtnWidget(timeIndex * size+3,count, timeIndex, size, type, layout);timeIndex--;}else {timeIndex = 0;}});}if (i == 7){   //星期widgetQWidget* downBtnWidget = new QWidget;downBtnWidget->setMaximumWidth(40);//星期布局QHBoxLayout* layoutDownWidget = new QHBoxLayout(downBtnWidget);pBtn->setFixedSize(10, 6);pBtn->setChecked(true);pBtn->setStyleSheet("border-image:url(:/images/Resources/images/CCalendarWidget/downBtn.png);border:none;font-size: 14px;color:#FFFFFF;");pBtn->setCursor(Qt::PointingHandCursor);layoutDownWidget->spacing();layoutDownWidget->addWidget(pBtn);layoutDownWidget->spacing();layout->addWidget(downBtnWidget);connect(pBtn, &QPushButton::clicked, [=]{if (timeIndex >= 0 && timeIndex < tatakPage){setTimeBtnWidget(timeIndex * size + 3,count, timeIndex,size, type, layout);timeIndex++;}else {timeIndex = tatakPage-1;}});}if (i > 0 && i < 7){if ((type == 1 && page * size + i != 24) || (type == 2 && page * size + i != 60) || (type == 3 && page * size + i != 60)){pBtn->setChecked(true);connect(pBtn, &QPushButton::clicked, [=]{int index = pBtn->text().toInt();setTimeBtnWidget(index, count, page, size, type, layout);if (type == 1){nHour = index;}if (type == 2){nMin = index;}if (type == 3){nSec = index;}setTime();});}else {pBtn->setChecked(false);}pBtn->setFixedSize(40, 26);pBtn->setText(QString::number(page * size + i));pBtn->setCursor(Qt::PointingHandCursor);layout->addWidget(pBtn);layout->spacing();}if (page * size + i == index){pBtn->setChecked(true);pBtn->setStyleSheet("background:#0D85FF;");}}
}