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📜  PyQt5 - 如何将模型添加到 ComboBox

📅  最后修改于: 2022-05-13 01:55:15.087000             🧑  作者: Mango

PyQt5 - 如何将模型添加到 ComboBox

在本文中,我们将看到如何将模型设置为组合框。模型用于设置组合框的项目,为了设置模型我们将使用setModel方法。

注意:如果我们在插入项目之后添加模型,它将清除所有元素,因此应在任何插入元素之前添加模型

下面是实现——

# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for widgets
    def UiComponents(self):
  
        # creating a combo box widget
        self.combo_box = QComboBox(self)
  
        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 150, 30)
  
        # geek list
        geek_list = ["Sayian", "Super Saiyan", "Super Sayian 2",
                                               "Super Sayian B"]
  
        # making it editable
        self.combo_box.setEditable(True)
  
        # adding list of items to combo box
        self.combo_box.addItems(geek_list)
  
        # creating a model
        model = QtGui.QStandardItemModel(0, 1)
  
        # creating a item
        item = QtGui.QStandardItem("New model")
  
        # adding item to the model
        model.appendRow(item)
  
        # setting model to the combo box
        self.combo_box.setModel(model)
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

输出 :