专门做电商的招聘网站,交易网站建设需要学什么,泰兴做网站,网页制作公司哪家好文章目录1. 表格与树1.1 QTableView1.2 QListView1.3 QListWidget1.4 QTableWidget表根据界面宽度自动伸缩禁止编辑单击某单元#xff0c;使之默认选中整行设置宽高度与内容相匹配是否显示表头单元格中放置控件输入行号#xff0c;快速定位行设置颜色加粗字体排序文本对齐合并…
文章目录1. 表格与树1.1 QTableView1.2 QListView1.3 QListWidget1.4 QTableWidget表根据界面宽度自动伸缩禁止编辑单击某单元使之默认选中整行设置宽高度与内容相匹配是否显示表头单元格中放置控件输入行号快速定位行设置颜色加粗字体排序文本对齐合并单元格设置单元格大小显示网格线设置图片、更改图片大小获取单元格内容右键菜单1.5 QTreeView点击事件系统定制模式2. 容器装载更多控件QTabWidgetQStackedWidgetQDockWidget多文档界面 QMdiAreaQScrollBarlearn from 《PyQt5 快速开发与实战》 https://doc.qt.io/qtforpython/index.html https://www.riverbankcomputing.com/static/Docs/PyQt5
1. 表格与树
1.1 QTableView
# _*_ coding: utf-8 _*_
# Time : 2022/5/9 9:44
# Author : Michael
# File : tableview1.py
# desc :
from PyQt5.QtGui import QStandardItemModel, QStandardItem
from PyQt5.QtWidgets import QWidget, QTableView, QVBoxLayout, QApplication, QHeaderViewclass table_view(QWidget):def __init__(self):super().__init__()self.setWindowTitle(table_view)self.resize(500, 300)self.model QStandardItemModel()self.model.setHorizontalHeaderLabels([姓名, 年龄, 性别, 地址])for r in range(4):for c in range(4):item QStandardItem(row %s, col %s % (r, c))self.model.setItem(r, c, item)# 添加数据self.model.appendRow([QStandardItem(张三), QStandardItem(20),])self.model.appendRow([QStandardItem(李四), QStandardItem(21),])self.tableview1 QTableView()self.tableview1.setModel(self.model)self.tableview1.horizontalHeader().setStretchLastSection(True)self.tableview1.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) # 表格填满窗口# 删除数据indexs self.tableview1.selectionModel().selection().indexes()print(indexs)if len(indexs) 0:index indexs[0]self.model.removeRows(index.row(), 2) # 删除两行index self.tableview1.currentIndex()print(index, index.row(), index.column())self.model.removeRow(index.row()1)layout QVBoxLayout()layout.addWidget(self.tableview1)self.setLayout(layout)if __name__ __main__:import sysapp QApplication(sys.argv)win table_view()win.show()sys.exit(app.exec_())1.2 QListView
用于展示数据
# _*_ coding: utf-8 _*_
# Time : 2022/5/9 21:08
# Author : Michael
# File : list_view1.py
# desc :
from PyQt5.QtCore import QStringListModel
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QListView, QMessageBox, QApplicationclass listViewDemo(QWidget):def __init__(self):super(listViewDemo, self).__init__()self.setWindowTitle(ListView例子)self.resize(300, 300)layout QVBoxLayout()listview QListView()str_list_model QStringListModel()self.qList [Item 1, Item 2, Item 3, Item 4]str_list_model.setStringList(self.qList)listview.setModel(str_list_model)listview.clicked.connect(self.clicked)layout.addWidget(listview)self.setLayout(layout)def clicked(self, qModelIndex):QMessageBox.information(self, title, text:你选择了 self.qList[qModelIndex.row()])if __name__ __main__:import sysapp QApplication(sys.argv)main listViewDemo()main.show()sys.exit(app.exec_())1.3 QListWidget
用于从列表中添加删除条目升级版QListView可以调用函数直接添加数据
# _*_ coding: utf-8 _*_
# Time : 2022/5/9 21:20
# Author : Michael
# File : listWidgetDemo.py
# desc :
from PyQt5.QtWidgets import QListWidget, QMessageBox, QApplicationclass ListWidgetDemo(QListWidget):def clicked(self, item):QMessageBox.information(self, ListWidget, You clicked: item.text())if __name__ __main__:import sysapp QApplication(sys.argv)listwidget ListWidgetDemo()listwidget.resize(300, 200)listwidget.addItem(item 1)listwidget.addItem(item 2)listwidget.addItem(item 3)listwidget.addItem(item 4)listwidget.setWindowTitle(ListWidget Demo)listwidget.itemClicked.connect(listwidget.clicked)listwidget.show()sys.exit(app.exec_())1.4 QTableWidget
是 QTableView 的子类
# _*_ coding: utf-8 _*_
# Time : 2022/5/9 21:39
# Author : Michael
# File : tablewidgetDemo.py
# desc :
from PyQt5.QtWidgets import QWidget, QHBoxLayout, QTableWidget, QTableWidgetItem, QApplicationclass TableWidgetDemo(QWidget):def __init__(self):super(TableWidgetDemo, self).__init__()self.initUI()def initUI(self):self.setWindowTitle(TableWidget例子)self.resize(500, 300)layout QHBoxLayout()tablewidget QTableWidget(4, 3) # 行列# tablewidget.setRowCount(4)# tablewidget.setColumnCount(3)layout.addWidget(tablewidget)tablewidget.setHorizontalHeaderLabels([姓名, 性别, 体重(kg)])tablewidget.setVerticalHeaderLabels([1行, 2行, 3行, 4行哦])tablewidget.setItem(0, 0, QTableWidgetItem(张三))tablewidget.setItem(0, 1, QTableWidgetItem(男))tablewidget.setItem(0, 2, QTableWidgetItem(150))self.setLayout(layout)if __name__ __main__:import sysapp QApplication(sys.argv)main TableWidgetDemo()main.show()sys.exit(app.exec_())表根据界面宽度自动伸缩
tablewidget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) 禁止编辑
tablewidget.setEditTriggers(QTableWidget.NoEditTriggers)
单击某单元使之默认选中整行
tablewidget.setSelectionBehavior(QTableWidget.SelectRows)
设置宽高度与内容相匹配
tablewidget.resizeColumnsToContents()
tablewidget.resizeRowsToContents()是否显示表头
tablewidget.horizontalHeader().setVisible(False)
tablewidget.verticalHeader().setVisible(False)单元格中放置控件
# 添加控件
combox QComboBox()
combox.addItem(男)
combox.addItem(女)
combox.setStyleSheet(QComboBox{margin:3px width:80px;})
tablewidget.setCellWidget(1, 1, combox)btn QPushButton(保存)
btn.setDown(True)
btn.setStyleSheet(QPushButton{margin:20px width:20px;})
tablewidget.setCellWidget(1, 2, btn)输入行号快速定位行
# _*_ coding: utf-8 _*_
# Time : 2022/5/10 9:48
# Author : Michael
# File : table_position.py
# desc :
from PyQt5.QtGui import QBrush, QColor
from PyQt5.QtWidgets import QWidget, QHBoxLayout, QTableWidget, QTableWidgetItem, QApplication
from PyQt5.QtCore import Qtclass table_position(QWidget):def __init__(self):super(table_position, self).__init__()self.initUI()def initUI(self):self.setWindowTitle(Table Position)self.resize(300, 200)layout QHBoxLayout()tablewidget QTableWidget()tablewidget.setRowCount(30)tablewidget.setColumnCount(4)layout.addWidget(tablewidget)for i in range(30):for j in range(4):itemContent f{i},{j}tablewidget.setItem(i, j, QTableWidgetItem(itemContent))self.setLayout(layout)# 遍历表格查找指定内容text 10,1items tablewidget.findItems(text, Qt.MatchExactly)item items[0]# 选中单元格item.setSelected(True)# 设置背景颜色item.setForeground(QBrush(QColor(255, 0, 0)))row item.row()# 鼠标滚轮定位到第11行tablewidget.verticalScrollBar().setSliderPosition(row)
if __name__ __main__:import sysapp QApplication(sys.argv)window table_position()window.show()sys.exit(app.exec_())设置颜色
# 设置颜色
newitem QTableWidgetItem(new)
newitem.setForeground(QBrush(QColor(0, 255, 0)))
tablewidget.setItem(10, 1, newitem)加粗字体
# 加粗字体
newitem QTableWidgetItem(new)
newitem.setFont(QFont(Times, 20, QFont.Bold))
tablewidget.setItem(10, 2, newitem)排序
tablewidget.sortItems(2, Qt.DescendingOrder) # 2 列降序文本对齐
# 文本对齐方式
newitem QTableWidgetItem(michael)
newitem.setTextAlignment(Qt.AlignRight | Qt.AlignBottom)
tablewidget.setItem(10, 3, newitem)合并单元格
# 合并单元格
tablewidget.setSpan(0, 0, 3, 1) # 0,0 位置 占据 3行 1列
tablewidget.setItem(0, 0, QTableWidgetItem(michael))
tablewidget.setItem(1, 0, QTableWidgetItem(hello)) # 被占了无效设置单元格大小
# 设置单元格大小
tablewidget.setColumnWidth(0, 300) # 0列 300宽
tablewidget.setRowHeight(0, 150) # 0行 150高显示网格线
# 不显示分割线
tablewidget.setShowGrid(False)设置图片、更改图片大小
## 放置图片调整大小
newitem QTableWidgetItem(QIcon(../store.png), 微软商店)
tablewidget.setItem(10, 3, newitem)
tablewidget.setIconSize(QSize(100, 100))获取单元格内容
# 获取单元格内容tablewidget.itemClicked.connect(self.handleItemClicked)def handleItemClicked(self, item):print(你点击了 item.text())右键菜单
def generateMenu(pos):row_num -1for i in tablewidget.selectionModel().selection().indexes():row_num i.row()menu QMenu()item1 menu.addAction(删除)item2 menu.addAction(修改)item3 menu.addAction(添加)action menu.exec_(tablewidget.mapToGlobal(pos))if action item1:print(f选中了删除行号{row_num})elif action item2:print(f选中了修改行号{row_num})elif action item3:print(f选中了添加行号{row_num})# 允许右键菜单
tablewidget.setContextMenuPolicy(Qt.CustomContextMenu)
tablewidget.customContextMenuRequested.connect(generateMenu)1.5 QTreeView
# _*_ coding: utf-8 _*_
# Time : 2022/5/29 20:26
# Author : Michael
# File : treewidget01.py
# desc :
import sysfrom PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon, QBrush
from PyQt5.QtWidgets import QApplication, QWidget, QTreeWidget, QTreeWidgetItem, QVBoxLayout, QMainWindow, QStyleclass TreeWidgetDemo(QMainWindow):def __init__(self):super(TreeWidgetDemo, self).__init__()self.setWindowTitle(TreeWidget Demo)self.tree QTreeWidget()self.tree.setColumnCount(2)self.tree.setHeaderLabels([Key, Value])root QTreeWidgetItem(self.tree)root.setText(0, group1)root.setIcon(0, self.style().standardIcon(QStyle.SP_DirIcon))self.tree.setColumnWidth(0, 150)## 设置节点的背景颜色brush_red QBrush(Qt.red)root.setBackground(0, brush_red)brush_green QBrush(Qt.green)root.setBackground(1, brush_green)# 设置子节点1child1 QTreeWidgetItem(root)child1.setText(0, child1)child1.setText(1, ios)child1.setIcon(0, QIcon(../store.png))child1.setCheckState(0, Qt.Checked)# 设置子节点2child2 QTreeWidgetItem(root)child2.setText(0, child2)child2.setText(1, )# 设置子节点3child3 QTreeWidgetItem(child2)child3.setText(0, child3)child3.setText(1, android)self.tree.addTopLevelItem(root)# 结点全部展开self.tree.expandAll()self.setCentralWidget(self.tree)if __name__ __main__:app QApplication(sys.argv)tree TreeWidgetDemo()tree.show()sys.exit(app.exec_())点击事件 self.tree.clicked.connect(self.on_tree_clicked)
def on_tree_clicked(self):item self.tree.currentItem()print(item.text(0), item.text(1))系统定制模式
使用QTreeViewsetModel
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *if __name__ __main__:app QApplication(sys.argv)# Window系统提供的模式model QDirModel()# 创建一个QtreeView部件tree QTreeView()# 为部件添加模式tree.setModel(model)tree.setWindowTitle(QTreeView 例子)tree.resize(640, 480)tree.show()sys.exit(app.exec_())2. 容器装载更多控件
QTabWidget
# _*_ coding: utf-8 _*_
# Time : 2022/5/29 21:01
# Author : Michael
# File : qtab_demo.py
# desc :
import sysfrom PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication, QWidget, QTabWidget, QPushButton, QHBoxLayout, QVBoxLayout, QFormLayout, \QLineEdit, QRadioButton, QLabel, QCheckBoxclass tab_demo(QTabWidget):def __init__(self):super().__init__()self.tab1 QWidget()self.tab2 QWidget()self.tab3 QWidget()self.addTab(self.tab1, Tab1)self.addTab(self.tab2, Tab2)self.addTab(self.tab3, QIcon(../store.png), Tab3)self.tab1UI()self.tab2UI()self.tab3UI()self.setWindowTitle(QTabWidget)def tab1UI(self):layout QFormLayout()layout.addRow(姓名, QLineEdit())layout.addRow(地址, QLineEdit())self.setTabText(0, 联系方式)self.tab1.setLayout(layout)def tab2UI(self):layout QFormLayout()sex QHBoxLayout()sex.addWidget(QRadioButton(男))sex.addWidget(QRadioButton(女))layout.addRow(QLabel(性别), sex)layout.addRow(生日, QLineEdit())self.setTabText(1, 个人详细信息)self.tab2.setLayout(layout)def tab3UI(self):layout QHBoxLayout()layout.addWidget(QLabel(科目))layout.addWidget(QCheckBox(物理))layout.addWidget(QCheckBox(高数))self.setTabText(2, 教育程度)self.tab3.setLayout(layout)if __name__ __main__:app QApplication(sys.argv)demo tab_demo()demo.show()sys.exit(app.exec_())QStackedWidget
# _*_ coding: utf-8 _*_
# Time : 2022/5/29 21:16
# Author : Michael
# File : qstackedwidget.py
# desc :
import sysfrom PyQt5.QtWidgets import QWidget, QListWidget, QStackedWidget, QHBoxLayout, QApplication, QLabel, QCheckBox, \QLineEdit, QRadioButton, QFormLayoutclass qstackedwidget_demo(QWidget):def __init__(self):super(qstackedwidget_demo, self).__init__()self.setWindowTitle(QStackedWidget控件)self.setGeometry(100, 100, 800, 600)self.leftlist QListWidget()self.leftlist.insertItem(0, 联系方式)self.leftlist.insertItem(1, 个人信息)self.leftlist.insertItem(2, 教育经历)self.stack1 QWidget()self.stack2 QWidget()self.stack3 QWidget()self.stack1UI()self.stack2UI()self.stack3UI()self.stack QStackedWidget()self.stack.addWidget(self.stack1)self.stack.addWidget(self.stack2)self.stack.addWidget(self.stack3)hbox QHBoxLayout()hbox.addWidget(self.leftlist)hbox.addWidget(self.stack)self.setLayout(hbox)self.leftlist.currentRowChanged.connect(self.display)def stack1UI(self):layout QFormLayout()layout.addRow(姓名, QLineEdit())layout.addRow(地址, QLineEdit())self.stack1.setLayout(layout)def stack2UI(self):layout QFormLayout()sex QHBoxLayout()sex.addWidget(QRadioButton(男))sex.addWidget(QRadioButton(女))layout.addRow(QLabel(性别), sex)layout.addRow(生日, QLineEdit())self.stack2.setLayout(layout)def stack3UI(self):layout QHBoxLayout()layout.addWidget(QLabel(科目))layout.addWidget(QCheckBox(物理))layout.addWidget(QCheckBox(高数))self.stack3.setLayout(layout)def display(self, i):self.stack.setCurrentIndex(i)if __name__ __main__:app QApplication(sys.argv)demo qstackedwidget_demo()demo.show()sys.exit(app.exec_())QDockWidget # _*_ coding: utf-8 _*_
# Time : 2022/5/29 21:40
# Author : Michael
# File : qdock_demo.py
# desc :
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QMainWindow, QHBoxLayout, QDockWidget, QListWidget, QApplication, QTextEditclass qock_demo(QMainWindow):def __init__(self):super().__init__()layout QHBoxLayout()bar self.menuBar()file bar.addMenu(File)file.addAction(New)file.addAction(Open)file.addAction(Save)self.setCentralWidget(QTextEdit())self.items QDockWidget(Dockable, self)self.listWidget QListWidget()self.listWidget.addItems([Item 1, Item 2, Item 3])self.items.setWidget(self.listWidget)self.items.setFloating(False)self.addDockWidget(Qt.RightDockWidgetArea, self.items)self.setLayout(layout)self.setWindowTitle(Dock例子)if __name__ __main__:import sysapp QApplication(sys.argv)main qock_demo()main.show()sys.exit(app.exec_())多文档界面 QMdiArea
可以有效节省内存QMdiArea
# _*_ coding: utf-8 _*_
# Time : 2022/5/29 23:20
# Author : Michael
# File : qmultiDocInterface.py
# desc :import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *class qmultiDocInterface(QMainWindow):count 0def __init__(self, parentNone):super(qmultiDocInterface, self).__init__(parent)self.mdi QMdiArea()self.setCentralWidget(self.mdi)bar self.menuBar()file bar.addMenu(File)file.addAction(New)file.addAction(cascade)file.addAction(Tiled)file.triggered[QAction].connect(self.windowaction)self.setWindowTitle(MDI demo)def windowaction(self, q):print(triggered)if q.text() New:qmultiDocInterface.count qmultiDocInterface.count 1sub QMdiSubWindow()sub.setWidget(QTextEdit())sub.setWindowTitle(子窗口 str(qmultiDocInterface.count))self.mdi.addSubWindow(sub)sub.show()if q.text() cascade:self.mdi.cascadeSubWindows() # 层叠if q.text() Tiled:self.mdi.tileSubWindows() # 平铺if __name__ __main__:app QApplication(sys.argv)demo qmultiDocInterface()demo.show()sys.exit(app.exec_())QScrollBar
# _*_ coding: utf-8 _*_
# Time : 2022/5/29 23:27
# Author : Michael
# File : qscrollbar.py
# desc :
import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *class Example(QWidget):def __init__(self):super(Example, self).__init__()self.initUI()def initUI(self):hbox QHBoxLayout()self.l1 QLabel(拖动滑动条去改变颜色)self.l1.setFont(QFont(Arial, 16))hbox.addWidget(self.l1)self.s1 QScrollBar()self.s1.setMaximum(255)self.s1.sliderMoved.connect(self.sliderval)self.s2 QScrollBar()self.s2.setMaximum(255)self.s2.sliderMoved.connect(self.sliderval)self.s3 QScrollBar()self.s3.setMaximum(255)self.s3.sliderMoved.connect(self.sliderval)hbox.addWidget(self.s1)hbox.addWidget(self.s2)hbox.addWidget(self.s3)self.setGeometry(300, 300, 300, 200)self.setWindowTitle(QScrollBar 例子)self.setLayout(hbox)def sliderval(self):print(self.s1.value(), self.s2.value(), self.s3.value())palette QPalette()c QColor(self.s1.value(), self.s2.value(), self.s3.value(), 255)palette.setColor(QPalette.Foreground, c)self.l1.setPalette(palette)if __name__ __main__:app QApplication(sys.argv)demo Example()demo.show()sys.exit(app.exec_())
