本篇文章给大家分享的是有关QComboBox怎么在pyqt5中使用,小编觉得挺实用的,因此分享给大家学习,希望大家阅读完这篇文章后可以有所收获,话不多说,跟着小编一起来看看吧。
<强>类归属
pyqt5→QtWidgets→QComboBox
<强>继承关系
pyqt5→QObject和QPaintDevice→QWidget→QFontComboBox→QComboBox
熟悉一下代码,直接就可以用了。
import 系统
得到PyQt5.QtWidgets import *
得到PyQt5.QtGui import *
得到PyQt5.QtCore import *
################################################
items_list=[“C",“c++“,“Java",“Python",“JavaScript",“c#“,“Swift",“go",“Ruby",“Lua",“PHP"】
datas_list=(1972, 1983, 1995, 1991, 1992, 2000, 2014, 2009, 1995, 1993, 1995]
################################################
class 小部件(QWidget):
def 才能;__init__(自我,,* args,, * * kwargs):
,,,超级(小部件,,自我). __init__ (* args,, * * kwargs)
,,,layout =, QVBoxLayout(自我)
,,,self.combobox1 =, QComboBox(自我,,minimumWidth=200)
,,,self.combobox2 =, QComboBox(自我,,minimumWidth=200)
,,,self.combobox3 =, QComboBox(自我,,minimumWidth=200)
,,,self.combobox4 =, QComboBox(自我,,minimumWidth=200)
,,,layout.addWidget (QLabel(“增加单项,不带数据“,,自我))
,,,layout.addWidget (self.combobox1)
,,,layout.addItem (QSpacerItem(20日,20日,QSizePolicy.Expanding,, QSizePolicy.Minimum))
,,,layout.addWidget (QLabel(“增加单项,附带数据“,,自我))
,,,layout.addWidget (self.combobox2)
,,,layout.addItem (QSpacerItem(20日,20日,QSizePolicy.Expanding,, QSizePolicy.Minimum))
,,,layout.addWidget (QLabel(“增加多项,不带数据“,,自我))
,,,layout.addWidget (self.combobox3)
,,,layout.addItem (QSpacerItem(20日,20日,QSizePolicy.Expanding,, QSizePolicy.Minimum))
,,,layout.addWidget (QLabel(“设置模型,不带数据“,,自我))
,,,layout.addWidget (self.combobox4)
,,,#初始化组合框
,,,self.init_combobox1 ()
,,,self.init_combobox2 ()
,,,self.init_combobox3 ()
,,,self.init_combobox4 ()
,,,#增加选中事件
,,,self.combobox1.activated.connect (self.on_combobox1_Activate)
,,,self.combobox2.activated.connect (self.on_combobox2_Activate)
,,,self.combobox3.activated.connect (self.on_combobox3_Activate)
,,,self.combobox4.activated.connect (self.on_combobox4_Activate)
,,# # # # # # #,addItem(),增加单项元素,不带数据,# # # # # # # # #
def 才能init_combobox1(自我):
,,,for 小姐:拷贝范围(len (items_list)):
,,,,,self.combobox1.addItem (items_list[我])
,,,self.combobox1.setCurrentIndex (1)
def 才能on_combobox1_Activate(自我,,指数):
,,,print (self.combobox1.count ())
,,,print (self.combobox1.currentIndex ())
,,,print (self.combobox1.currentText ())
,,,print (self.combobox1.currentData ())
,,,print (self.combobox1.itemData (self.combobox1.currentIndex ()))
,,,print (self.combobox1.itemText (self.combobox1.currentIndex ()))
,,,print (self.combobox1.itemText(指数))
,,# # # # # # #,addItem(),增加单项元素,附带数据,# # # # # # # # #
def 才能init_combobox2(自我):
,,,for 小姐:拷贝范围(len (items_list)):
,,,,,self.combobox2.addItem (items_list[我],datas_list[我])
,,,self.combobox2.setCurrentIndex (1)
def 才能on_combobox2_Activate(自我,,指数):
,,,print (self.combobox2.count ())
,,,print (self.combobox2.currentIndex ())
,,,print (self.combobox2.currentText ())
,,,print (self.combobox2.currentData ())
,,,print (self.combobox2.itemData (self.combobox2.currentIndex ()))
,,,print (self.combobox2.itemText (self.combobox2.currentIndex ()))
,,,print (self.combobox2.itemText(指数))
,,# # # # # # #,additem(),增加多项元素,不带数据,# # # # # # # # #
def 才能init_combobox3(自我):
,,,self.combobox3.addItems (items_list)
,,,self.combobox3.setCurrentIndex (1)
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