layout = QVBoxLayout() self.lbl = QLabel("") self.cb = QComboBox() self.cb.addItem("C") self.cb.addItem("C++") self.cb.addItems(["Java", "C#", "Python"]) self.cb.currentIndexChanged.connect(self.selectionchange) layout.addWidget(self.cb) layout.addWidget(self.lbl) self.setLayout...
一、组合选择框 QComboBox 1.信号:选项改变 currentIndexChanged 2.添加一个选项 addItem 3.添加多个选项 addItems 4.清空选项 clear 5.获取当前选项文本 currentText 二、列表 QListWidget 1.添加一个选项 addItem 2.添加多个选项 addItems 3.删除一个选项 takeItem 4.清空选项 clear 5.获取当前选...
combobox->insertItem(4,QIcon(":/Q/tu/4.png"),"规则",10); //参数1:插入位置索引号 //参数2:图标--可以省略 //参数3:项目文本 //参数4:附加数据 strList << "李明" << "中国人" << "教师"; combobox->addItems(strList);//一次性添加多个项 combobox->removeItem(2); //删除指定索引...
selected_text = combo_box.currentText() label.setText(f"选择的项是:{selected_text}") 便是触发函数,combo_box.currentText()是获取当前的选择的选项,然后用标签进行显示。 这个组件有以下常用的核心函数: addItem() 作用:向下拉框中添加一个文本项。 示例:comboBox.addItem("选项1") addItems() 作用:...
form_layout.addRow(name_label, name_edit) gender_label = QLabel('性别:') gender_combobox = QComboBox() gender_combobox.addItems(['男', '女']) form_layout.addRow(gender_label, gender_combobox) form_layout.setFormAlignment(Qt.AlignCenter) ...
index.data()37comboBox =QtWidgets.QComboBox(parent)38comboBox.addItems(['1','2','3','4'])39comboBox.setCurrentText(data)4041returncomboBox4243defpaint(self, painter, option, index):44super(C_Delegate, self).paint(painter, option, index)4546defsetEditorData(self, editor, index):47...
class ComboxDemo(QWidget): definit(self, parent=None): super(ComboxDemo, self).init(parent) self.setWindowTitle("combox 例子") self.resize(300, 90) layout = QVBoxLayout() self.lbl = QLabel("") self.cb=QComboBox()self.cb.addItem("C")self.cb.addItem("C++")self.cb.addItems(["Ja...
选择图表类型self.combo_box = QComboBox(self)self.combo_box.addItems(["折线图", "柱状图", "饼图"])self.combo_box.currentIndexChanged.connect(self.update_chart)# 创建布局,将下拉菜单和图表添加到布局中layout = QVBoxLayout()layout.addWidget(self.canvas)layout.addWidget(self.combo_box)container =...
addItem() addItems() clear() count() currentText() currentIndex() -- coding: utf-8 -- ''' 【简介】 PyQt5中 QComboBox 例子 ''' import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * class ComboxDemo(QWidget): def init(self, parent=None...
self.stylesComboBox=QComboBox()#将支持的风格加到comboBox中self.stylesComboBox.addItems(QStyleFactory.keys())#获取当前窗口的风格print(QApplication.style().objectName())#当前为windowsvista风格#获取当前风格对应的indexindex = self.stylesComboBox.findText(QApplication.style().objectName(), QtCore.Qt...