update 更新部署

test2.py

@@ -1,76 +1,54 @@
-from PySide6.QtWidgets import QApplication, QPushButton, QMainWindow
-from PySide6.QtGui import QPainter, QLinearGradient, QColor, QFont
-from PySide6.QtCore import Qt, QRectF
-import sys
+import threading
 
-class GradientButton(QPushButton):
-    def __init__(self, text, parent=None):
-        super().__init__(text, parent)
-        # 设置按钮无边框
-        self.setFlat(True)
-        # 设置按钮文本对齐方式
+from PySide6.QtWidgets import QApplication, QMainWindow, QPushButton, QMessageBox
+from PySide6.QtCore import QThread, Signal, QObject
 
-        # 设置按钮字体
-        self.setFont(QFont("Arial", 14, QFont.Bold))
-        # 启用鼠标追踪以便在悬停时重绘
-        self.setMouseTracking(True)
-        # 当前是否悬停
-        self.hover = False
+class Worker:
+    # 定义一个类属性的信号
 
-    def paintEvent(self, event):
-        painter = QPainter(self)
-        painter.setRenderHint(QPainter.Antialiasing)
+    def __init__(self):
+        self.task_done_signal = Signal(str)
+    def run_task(self):
+        import time
+        time.sleep(2)  # 模拟耗时操作
+        # 发送信号
+        self.task_done_signal.emit("子线程任务完成！")
 
-        # 获取按钮的矩形区域
-        rect = self.rect()
-
-        # 创建线性渐变，从中心线向上下渐变
-        gradient = QLinearGradient(rect.center().x(), rect.top(), rect.center().x(), rect.bottom())
-
-
-        gradient.setColorAt(0, QColor(225,225,225))
-        gradient.setColorAt(0.5, QColor('#1A1F38'))
-        gradient.setColorAt(1, QColor(225,225,225))
-
-        brush = gradient
-        painter.setBrush(brush)
-        painter.setPen(Qt.NoPen)
-
-        # 绘制圆角矩形作为按钮背景
-        radius = 2  # 圆角半径
-        painter.drawRoundedRect(QRectF(rect), radius, radius)
-
-        # 绘制按钮文本
-        painter.setPen(QColor('#E8E9EB'))  # 设置字体为白色
-        painter.drawText(rect, Qt.AlignCenter, self.text())
-
-    def enterEvent(self, event):
-        self.hover = True
-        self.update()  # 触发重绘
-        super().enterEvent(event)
-
-    def leaveEvent(self, event):
-        self.hover = False
-        self.update()  # 触发重绘
-        super().leaveEvent(event)
 
 class MainWindow(QMainWindow):
     def __init__(self):
         super().__init__()
-        self.setWindowTitle("中心线性渐变按钮示例")
-        self.setFixedSize(400, 300)
+        self.setWindowTitle("子线程信号示例")
+        self.setGeometry(200, 200, 400, 300)
 
-        # 创建自定义渐变按钮
-        self.button = GradientButton("点击我", self)
-        self.button.setGeometry(100, 130, 100, 40)
-        # 连接按钮点击事件
-        self.button.clicked.connect(self.on_button_click)
+        # 添加按钮
+        self.button = QPushButton("启动子线程", self)
+        self.button.setGeometry(100, 100, 200, 50)
+        self.button.clicked.connect(self.run_task)
 
-    def on_button_click(self):
-        print("按钮被点击了！")
+        # 创建子线程和工作者对象
+        self.worker_thread = threading.Thread(target=self.run_task)
+        self.worker = Worker()
+
+        # 连接信号和槽
+        self.worker.task_done_signal.connect(self.show_message)
+
+    def run_task(self):
+        # 启动子线程
+        self.worker_thread.start()
+
+    def show_message(self, message):
+        # 显示来自子线程的消息
+        QMessageBox.information(self, "任务完成", message)
+
+        # 停止子线程
+        self.worker_thread.quit()
+        self.worker_thread.wait()
 
 if __name__ == "__main__":
-    app = QApplication(sys.argv)
+    app = QApplication([])
+
     window = MainWindow()
     window.show()
-    sys.exit(app.exec())
+
+    app.exec()