QT批量实现单选按钮组 1 应用场景 2 实现方案
自己开发了一个股票智能分析软件，功能很强大，需要的点击下面的链接获取：
https://www.cnblogs.com/bclshuai/p/11380657.html
QT批量实现单选按钮组
目录
1 应用场景... 1
2 实现方案... 1
筛选条件过多时，会有多个条件筛选，选择样式是按钮形式，不是那种勾选。如下图所示，单选条件，有多选项， 每一个条件只能选择一个， 选中之后颜色加深，没选中的自动变为浅灰色。
2 实现方案
如果一个一个的在界面上去拼，会造成大量的工作量，而且如果要修改一条，则需要挪动多个按钮的位置，所以可以通过代码批量实现，自动排序位置。
每一行用一个类来封装，设置名称和选项值，点击按钮时需要保证选项的唯一性。
（1）头文件定义接口 #pragma once #include <QWidget> #include<QPushButton> struct SelectItem { int value = -1; QString name = "不限"; QPushButton* pButtton = NULL; SelectItem(int v,QString n) { value = v; name = n; pButtton = NULL; } SelectItem() { value = -1; name = "不限"; pButtton = NULL; } }; class SelectButton : public QWidget { Q_OBJECT public: SelectButton(QWidget * parent = Q_NULLPTR); ~SelectButton(); /* 输入显示的数据 strName：条件的名称 Items ：条件的选项 */ void SetData(QString strName,QVector<SelectItem> Items); /* 获取选中的按钮对应的值 */ int GetValue(); /* 重置按钮 */ void Reset(); private: QVector<SelectItem> m_Items;//按钮对应的数值 int m_currentIndex=0;//选中按钮的索引值 }; (2)源文件实现接口 #include "SelectButton.hpp" #include<QLabel> SelectButton::SelectButton(QWidget * parent) { if (parent != NULL) { setParent(parent); } setFixedHeight(40); } SelectButton::~SelectButton() { for (int j = 0; j < m_Items.size(); j++) { if (m_Items[j].pButtton != NULL) { delete m_Items[j].pButtton; m_Items[j].pButtton = NULL; } } } void SelectButton::SetData(QString strName, QVector<SelectItem> Items) { m_Items = Items; QLabel* pName = new QLabel(this); pName->setText(strName); pName->setGeometry(24, 0, 100, 40); int namewidth = 100; int Itemwidth = 70; for (int i = 0; i < m_Items.size(); i++) { QPushButton* pButton = new QPushButton(this); if (pButton != NULL) { if (i==0) {//默认选择第0个 pButton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(79, 79, 79); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为未选中状态 } else { pButton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(177, 177, 177); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为未选中状态 } m_Items[i].pButtton = pButton; pButton->setGeometry(i * Itemwidth + namewidth, 0, 40, 40); pButton->setText(m_Items[i].name); connect(pButton, &QPushButton::clicked, this, [=]() { if (m_currentIndex != i)//选择变化 { pButton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(79, 79, 79); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为选中状态 if (m_currentIndex<m_Items.size()&& m_currentIndex>=0) { if (m_Items[m_currentIndex].pButtton!=NULL) { m_Items[m_currentIndex].pButtton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(177, 177, 177); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为没选中状态 } } m_currentIndex = i;//更新当前值 } for (int j = 0; j < m_Items.size(); j++) { if (i != j)//设置其他按钮为未选中状态 { } } }); } } this->setFixedWidth(m_Items.size() * Itemwidth + namewidth);//设置宽度 } int SelectButton::GetValue() { if (m_currentIndex<0 || m_currentIndex>=m_Items.size()) { return -1; } else { return m_Items[m_currentIndex].value; } return 0; } void SelectButton::Reset() { if (m_currentIndex < m_Items.size() && m_currentIndex >= 0) { if (m_Items[m_currentIndex].pButtton != NULL) { m_Items[m_currentIndex].pButtton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(177, 177, 177); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为没选中状态 } } m_currentIndex = 0; if (m_Items[m_currentIndex].pButtton != NULL) { m_Items[m_currentIndex].pButtton->setStyleSheet(QLatin1String("QPushButton " "{ " " background:rgb(79, 79, 79); " " border:0px; " "} " "QPushButton::hover " "{ " " background:rgb(79, 79, 79); " "}"));//设置为选中状态 } } （3）主程序中创建选择项对象 //人体属性界面 xpos = 0; ypos = 8; yindex = 0; SelectButton* pBodySex = new SelectButton(ui.pageBody); pBodySex->SetData("性别", sexItem); pBodySex->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyAge = new SelectButton(ui.pageBody); pBodyAge->SetData("年龄", ageStageItem); pBodyAge->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyGlass = new SelectButton(ui.pageBody); pBodyGlass->SetData("戴眼镜", glassItem); pBodyGlass->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyMask = new SelectButton(ui.pageBody); pBodyMask->SetData("戴口罩", glassItem); pBodyMask->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyHat = new SelectButton(ui.pageBody); pBodyHat->SetData("戴帽子", hatItem); pBodyHat->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyUpClotherColor = new SelectButton(ui.pageBody); pBodyUpClotherColor->SetData("上衣颜色", clotherColorItem); pBodyUpClotherColor->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyDownClotherColor = new SelectButton(ui.pageBody); pBodyDownClotherColor->SetData("下衣颜色", clotherColorItem); pBodyDownClotherColor->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyBag= new SelectButton(ui.pageBody); pBodyBag->SetData("背包", maskItem); pBodyBag->move(xpos, ypos + yindex * 50); yindex++; SelectButton* pBodyTake = new SelectButton(ui.pageBody); pBodyTake->SetData("拎东西", maskItem); pBodyTake->move(xpos, ypos + yindex * 50); yindex++; ui.pBtBodySerch->move(ui.pBtBodySerch->x(), ypos + yindex * 50); ui.pBtBodyReset->move(ui.pBtBodyReset->x(), ypos + yindex * 50);
如果有多个筛选界面，可以再封装一层。