from PyQt6.QtWidgets import QApplication, QWidget, QLabel
from PyQt6.QtGui import QFont  # 字型模組
from PyQt6.QtCore import Qt
import sys

app = QApplication(sys.argv)  # 建立應用程式
window = QWidget()  # 建立視窗

label1 = QLabel(window)  # 建立標籤
label1.setText("夏夜晚楓建景成")  # 設定標籤文字
label1.setAlignment(Qt.AlignmentFlag.AlignCenter)  # 設定文字對齊方式
label1.setFont(QFont("Arial", 20))  # 設定字型
label1.setGeometry(50, 50, 300, 100)  # 設定大小／位置
label1.setStyleSheet(
    """
    color: rgb(255, 0, 0);
    background-color: rgb(255, 255, 0);
    border: 10px solid black;
"""
) # 設定樣式

window.show()  # 顯示視窗
sys.exit(app.exec())  # 執行應用程式

from PyQt6.QtWidgets import QApplication, QWidget, QPushButton
from PyQt6.QtGui import QFont
import sys

app = QApplication(sys.argv) 
window = QWidget()  
button1 = QPushButton("Click Me", window)  # 建立按鈕
button1.setFont(QFont("Arial", 20))
button1.setGeometry(50, 50, 300, 100)
button1.setEnabled(True)  # 啟用按鈕
button1.setVisible(True)  # 設定按鈕可見性
button1.setDefault(True)  # 設定為預設按鈕
button1.setStyleSheet(
    """QPushButton:hover {
    font-size: 40px;
    background-color: lightblue }"""
)  # 設定樣式

button1.clicked.connect(lambda: print("Button clicked!"))  # 連結按鈕點擊事件
button1.pressed.connect(lambda: print("Button pressed!"))  # 連結按鈕按下事件
button1.released.connect(lambda: print("Button released!"))  # 連結按鈕釋放事件

window.show() 
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QRadioButton, QButtonGroup
from PyQt6.QtGui import QFont
import sys

app = QApplication(sys.argv)
window = QWidget()

rb1 = QRadioButton("A", window)  # 建立單選按鈕
rb1.setFont(QFont("Arial", 20))
rb1.setGeometry(50, 50, 100, 50)
rb2 = QRadioButton("B", window)
rb2.setFont(QFont("Arial", 20))
rb2.setGeometry(50, 120, 100, 50)

group = QButtonGroup(window)  # 建立按鈕群組
group.addButton(rb1)  # 將按鈕加入群組
group.addButton(rb2)  # 將按鈕加入群組
group.buttonClicked.connect(lambda btn: print(btn.text()))  # 列印選中的按鈕文字

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QLineEdit
import sys

app = QApplication(sys.argv)
window = QWidget()

label1 = QLabel(window)
label1.setGeometry(10, 10, 100, 30)
box1 = QLineEdit(window)
box1.setGeometry(120, 10, 200, 30)
box1.setPlaceholderText("請輸入文字")  # 設定提示文字
box1.setEchoMode(QLineEdit.EchoMode.Password)  # 設定為密碼模式
box1.setReadOnly(False)  # 關閉唯讀模式
box1.setMaxLength(20)  # 設定最大字元數為 20

box1.textChanged.connect(lambda: label1.setText(box1.text()))  # 文字編輯時改變標籤內容
box1.editingFinished.connect(lambda: print(box1.text()))  # 編輯完成時列印文字

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QPlainTextEdit
import sys

app = QApplication(sys.argv)
window = QWidget()

box1 = QPlainTextEdit(window)
box1.setGeometry(10, 10, 300, 200)
box1.setPlainText("Hello!")
box1.setTabStopDistance(40)  # 設定 Tab 鍵的距離為 40 像素
box1.setLineWrapMode(
    QPlainTextEdit.LineWrapMode.WidgetWidth
)  # 在超過寬度限制時自動換行
box1.setMaximumBlockCount(10)  # 設定最大行數 10

box1.blockCountChanged.connect(
    lambda: print(box1.toPlainText())
)  # 行數改變時列印文本內容

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QListWidget
import sys

app = QApplication(sys.argv)
window = QWidget()

list1 = QListWidget(window)
list1.setGeometry(10, 10, 200, 300)
list1.addItems(["A", "B", "C"])  # 加入 A, B, C 選項
list1.insertItem(1, "D")  # 在索引值 1 處插入 D 選項

list1.clicked.connect(
    lambda: print(list1.currentItem().text())
)  # 點擊時列印選中選項的文字

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout
import sys

app = QApplication(sys.argv)
window = QWidget()

layout = QVBoxLayout(window)
label1 = QLabel("Label 1")
layout.addWidget(label1)
label2 = QLabel("Label 2")
layout.addWidget(label2)
label3 = QLabel("Label 3")
layout.addWidget(label3)

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QHBoxLayout, QVBoxLayout
from PyQt6.QtCore import Qt
import sys

app = QApplication(sys.argv)
window = QWidget()

main_layout = QVBoxLayout(window) # 建立主佈局

layout1 = QHBoxLayout()
label1 = QLabel("Label 1")
layout1.addWidget(label1)
label2 = QLabel("Label 2")
layout1.addWidget(label2)
label3 = QLabel("Label 3")
layout1.addWidget(label3)
layout1.setAlignment(Qt.AlignmentFlag.AlignTop)

layout2 = QVBoxLayout()
label4 = QLabel("Label 4")
layout2.addWidget(label4)
label5 = QLabel("Label 5")
layout2.addWidget(label5)
label6 = QLabel("Label 6")
layout2.addWidget(label6)
layout2.setAlignment(Qt.AlignmentFlag.AlignLeft)

main_layout.addLayout(layout1)
main_layout.addLayout(layout2)

window.show()
sys.exit(app.exec())

from PyQt6.QtWidgets import QApplication, QWidget, QFormLayout, QLabel, QLineEdit
from PyQt6.QtCore import Qt
import sys

app = QApplication(sys.argv)
window = QWidget()

layout = QFormLayout(window)

label1 = QLabel("Name:")
line_edit1 = QLineEdit()
label2 = QLabel("Email:")
line_edit2 = QLineEdit()
layout.addRow(label1, line_edit1) # 添加一行
layout.addRow(label2, line_edit2)

layout.setLabelAlignment(Qt.AlignmentFlag.AlignRight) # 設定排列方式

window.show()
sys.exit(app.exec())