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PYQT5 组件化实例，Python代码实现，给出100个代码实例

PYQT5 组件化实例，Python代码实现，给出100个代码实例

1. 实现一个简单的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidgetapp = QApplication(sys.argv)
window = QWidget()
window.show()
sys.exit(app.exec_())

1. 实现一个带有标题的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidgetapp = QApplication(sys.argv)
window = QWidget()
window.setWindowTitle('My Window')
window.show()
sys.exit(app.exec_())

1. 实现一个带有按钮的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButtonapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Click me!', window)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有标签的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabelapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Hello, world!', window)
label.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有文本框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLineEditapp = QApplication(sys.argv)
window = QWidget()
text_box = QLineEdit(window)
text_box.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有滑块的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QSliderapp = QApplication(sys.argv)
window = QWidget()
slider = QSlider(window)
slider.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有复选框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QCheckBoxapp = QApplication(sys.argv)
window = QWidget()
check_box = QCheckBox('Check me!', window)
check_box.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有单选按钮的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QRadioButtonapp = QApplication(sys.argv)
window = QWidget()
radio_button = QRadioButton('Select me!', window)
radio_button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有菜单栏的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QMenuBar, QMenu, QActionapp = QApplication(sys.argv)
window = QWidget()
menu_bar = QMenuBar(window)
file_menu = QMenu('File', menu_bar)
new_action = QAction('New', window)
file_menu.addAction(new_action)
menu_bar.addMenu(file_menu)
window.show()
sys.exit(app.exec_())

1. 实现一个带有工具栏的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QToolBar, QActionapp = QApplication(sys.argv)
window = QWidget()
tool_bar = QToolBar(window)
new_action = QAction('New', window)
tool_bar.addAction(new_action)
window.addToolBar(tool_bar)
window.show()
sys.exit(app.exec_())

1. 实现一个带有状态栏的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QStatusBarapp = QApplication(sys.argv)
window = QWidget()
status_bar = QStatusBar(window)
status_bar.showMessage('Ready')
window.setStatusBar(status_bar)
window.show()
sys.exit(app.exec_())

1. 实现一个带有进度条的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QProgressBarapp = QApplication(sys.argv)
window = QWidget()
progress_bar = QProgressBar(window)
progress_bar.move(50, 50)
progress_bar.setValue(50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有列表的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QListWidget, QListWidgetItemapp = QApplication(sys.argv)
window = QWidget()
list_widget = QListWidget(window)
item1 = QListWidgetItem('Item 1')
item2 = QListWidgetItem('Item 2')
list_widget.addItem(item1)
list_widget.addItem(item2)
list_widget.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有树形控件的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QTreeWidget, QTreeWidgetItemapp = QApplication(sys.argv)
window = QWidget()
tree_widget = QTreeWidget(window)
root_item = QTreeWidgetItem(['Root'])
child_item1 = QTreeWidgetItem(['Child 1'])
child_item2 = QTreeWidgetItem(['Child 2'])
root_item.addChild(child_item1)
root_item.addChild(child_item2)
tree_widget.addTopLevelItem(root_item)
tree_widget.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有表格的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QTableWidget, QTableWidgetItemapp = QApplication(sys.argv)
window = QWidget()
table_widget = QTableWidget(window)
table_widget.setRowCount(2)
table_widget.setColumnCount(2)
item1 = QTableWidgetItem('1')
item2 = QTableWidgetItem('2')
item3 = QTableWidgetItem('3')
item4 = QTableWidgetItem('4')
table_widget.setItem(0, 0, item1)
table_widget.setItem(0, 1, item2)
table_widget.setItem(1, 0, item3)
table_widget.setItem(1, 1, item4)
table_widget.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有日期选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QDateEditapp = QApplication(sys.argv)
window = QWidget()
date_edit = QDateEdit(window)
date_edit.setDate(QDate.currentDate())
date_edit.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有时间选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QTimeEditapp = QApplication(sys.argv)
window = QWidget()
time_edit = QTimeEdit(window)
time_edit.setTime(QTime.currentTime())
time_edit.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有日期时间选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QDateTimeEditapp = QApplication(sys.argv)
window = QWidget()
date_time_edit = QDateTimeEdit(window)
date_time_edit.setDateTime(QDateTime.currentDateTime())
date_time_edit.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有颜色选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QColorDialogapp = QApplication(sys.argv)
window = QWidget()
color_dialog = QColorDialog(window)
color_dialog.move(50, 50)
color_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有字体选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QFontDialogapp = QApplication(sys.argv)
window = QWidget()
font_dialog = QFontDialog(window)
font_dialog.move(50, 50)
font_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有文件选择器的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QFileDialogapp = QApplication(sys.argv)
window = QWidget()
file_dialog = QFileDialog(window)
file_dialog.move(50, 50)
file_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有打印对话框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPrintDialog, QPrinterapp = QApplication(sys.argv)
window = QWidget()
printer = QPrinter()
print_dialog = QPrintDialog(printer, window)
print_dialog.move(50, 50)
print_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有消息框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QMessageBoxapp = QApplication(sys.argv)
window = QWidget()
message_box = QMessageBox(window)
message_box.setText('Hello, world!')
message_box.move(50, 50)
message_box.show()
sys.exit(app.exec_())

1. 实现一个带有输入对话框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QInputDialogapp = QApplication(sys.argv)
window = QWidget()
input_dialog = QInputDialog(window)
input_dialog.move(50, 50)
input_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有进度对话框的窗口

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QProgressDialogapp = QApplication(sys.argv)
window = QWidget()
progress_dialog = QProgressDialog(window)
progress_dialog.move(50, 50)
progress_dialog.show()
sys.exit(app.exec_())

1. 实现一个带有颜色选择器的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QColorDialogapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Select color', window)
color_dialog = QColorDialog(window)
color_dialog.setCurrentColor(button.palette().button().color())
def on_button_clicked():color = color_dialog.getColor()if color.isValid():button.setStyleSheet('background-color: %s;' % color.name())
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有字体选择器的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QFontDialogapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Select font', window)
font_dialog = QFontDialog(window)
def on_button_clicked():font, ok = font_dialog.getFont()if ok:button.setFont(font)
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有文件选择器的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QFileDialogapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Select file', window)
file_dialog = QFileDialog(window)
def on_button_clicked():file_name, _ = file_dialog.getOpenFileName()if file_name:button.setText(file_name)
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有打印对话框的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QPrintDialog, QPrinterapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Print', window)
printer = QPrinter()
print_dialog = QPrintDialog(printer, window)
def on_button_clicked():if print_dialog.exec_() == QDialog.Accepted:# print the documentpass
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有消息框的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QMessageBoxapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Show message', window)
message_box = QMessageBox(window)
message_box.setText('Hello, world!')
def on_button_clicked():message_box.exec_()
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有输入对话框的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QInputDialogapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Get text', window)
input_dialog = QInputDialog(window)
input_dialog.setInputMode(QInputDialog.TextInput)
def on_button_clicked():text, ok = input_dialog.getText(window, 'Input Dialog', 'Enter your name:')if ok:button.setText(text)
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有进度对话框的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QProgressDialogapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Show progress', window)
progress_dialog = QProgressDialog(window)
progress_dialog.setRange(0, 100)
def on_button_clicked():progress_dialog.setValue(0)for i in range(100):progress_dialog.setValue(i)
button.clicked.connect(on_button_clicked)
button.move(50, 50)
window.show()
sys.exit(app.exec_())

1. 实现一个带有标签的按钮

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QLabelapp = QApplication(sys.argv)
window = QWidget()
button = QPushButton('Click me!', window)
label = QLabel('Button not clicked', window)
def on_button_clicked():label.setText('Button clicked')
button.clicked.connect(on_button_clicked)
button.move(50, 50)
label.move(50, 100)
window.show()
sys.exit(app.exec_())

1. 实现一个带有滑块的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QSliderapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('50', window)
slider = QSlider(window)
slider.setOrientation(Qt.Horizontal)
slider.setRange(0, 100)
slider.setValue(50)
def on_slider_value_changed(value):label.setText(str(value))
slider.valueChanged.connect(on_slider_value_changed)
label.move(50, 50)
slider.move(50, 100)
window.show()
sys.exit(app.exec_())

1. 实现一个带有复选框的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QCheckBoxapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Check me!', window)
check_box = QCheckBox(window)
def on_check_box_state_changed(state):if state == Qt.Checked:label.setText('Checked')else:label.setText('Unchecked')
check_box.stateChanged.connect(on_check_box_state_changed)
label.move(50, 50)
check_box.move(50, 100)
window.show()
sys.exit(app.exec_())

1. 实现一个带有单选按钮的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QRadioButtonapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Select me!', window)
radio_button1 = QRadioButton('Option 1', window)
radio_button2 = QRadioButton('Option 2', window)
def on_radio_button_clicked():if radio_button1.isChecked():label.setText('Option 1 selected')elif radio_button2.isChecked():label.setText('Option 2 selected')
radio_button1.clicked.connect(on_radio_button_clicked)
radio_button2.clicked.connect(on_radio_button_clicked)
label.move(50, 50)
radio_button1.move(50, 100)
radio_button2.move(50, 150)
window.show()
sys.exit(app.exec_())

1. 实现一个带有列表的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QListWidget, QListWidgetItemapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Select an item:', window)
list_widget = QListWidget(window)
item1 = QListWidgetItem('Item 1')
item2 = QListWidgetItem('Item 2')
list_widget.addItem(item1)
list_widget.addItem(item2)
def on_list_widget_item_clicked(item):label.setText('Item selected: %s' % item.text())
list_widget.itemClicked.connect(on_list_widget_item_clicked)
label.move(50, 50)
list_widget.move(50, 100)
window.show()
sys.exit(app.exec_())

1. 实现一个带有树形控件的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QTreeWidget, QTreeWidgetItemapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Select an item:', window)
tree_widget = QTreeWidget(window)
root_item = QTreeWidgetItem(['Root'])
child_item1 = QTreeWidgetItem(['Child 1'])
child_item2 = QTreeWidgetItem(['Child 2'])
root_item.addChild(child_item1)
root_item.addChild(child_item2)
tree_widget.addTopLevelItem(root_item)
def on_tree_widget_item_clicked(item):label.setText('Item selected: %s' % item.text(0))
tree_widget.itemClicked.connect(on_tree_widget_item_clicked)
label.move(50, 50)
tree_widget.move(50, 100)
window.show()
sys.exit(app.exec_())

1. 实现一个带有表格的标签

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QTableWidget, QTableWidgetItemapp = QApplication(sys.argv)
window = QWidget()
label = QLabel('Select a cell:', window)
table_widget = QTableWidget(window)
table_widget.setRowCount(2)
table_widget.setColumnCount(2)
item1 = QTableWidgetItem('1')
item2 = QTableWidgetItem('2')
item3 = QTableWidgetItem('3')
item4 = QTableWidgetItem('4')
table_widget.setItem(0, 0, item1)
table_widget.setItem(0, 1, item2)
table_widget.setItem(1, 0, item3)
table_widget.setItem(1, 1, item4)
def on_table_widget_item_clicked(item):row = item.row()column = item.column()label.setText('Cell selected: (%d, %d)' % (row, column))
table_widget.itemClicked.connect(on_table_widget_item_clicked)
label.move(50, 50)
table_widget.move(50, 100)
window.show()
sys.exit(app.exec_())