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StatusStyleDelegate.py

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+# StatusStyleDelegate.py
+from PySide6.QtWidgets import QStyledItemDelegate
+from PySide6.QtGui import QColor, QFont, QBrush
+from PySide6.QtCore import Qt, QTimer
+from PySide6.QtGui import QPalette
+
+class StatusStyleDelegate(QStyledItemDelegate):
+    def __init__(self, parent=None, table_view=None):
+        super().__init__(parent)
+        self.flash_cycles = {}  # 存储闪烁周期: {(row, col): (timer, cycle_count, original_brush)}
+        # self.flash_duration = 1000  # 闪烁持续时间(毫秒)
+        # self.updated_cells = set()  # 存储需要高亮的单元格 (row, col)
+        self.table_view = table_view  # 保存 QTableView 实例
+
+    def flash_cell(self, row, column):
+        # 如果单元格已经在闪烁，重置计时器
+        if (row, column) in self.flash_cycles:
+            timer, _, _ = self.flash_cycles[(row, column)]
+            timer.stop()
+            del self.flash_cycles[(row, column)]
+
+        # 获取原始背景色
+        index = self.table_view.model().index(row, column)
+        original_brush = self.get_original_background(index)
+
+        # 创建周期性计时器实现闪烁效果
+        cycle_count = 0
+        timer = QTimer()
+        timer.setInterval(200)  # 200ms切换一次颜色
+
+        def update_flash():
+            nonlocal cycle_count
+            cycle_count += 1
+            # 闪烁3个周期(6次切换)后停止
+            if cycle_count > 6:
+                timer.stop()
+                if (row, column) in self.flash_cycles:
+                    del self.flash_cycles[(row, column)]
+                self.table_view.viewport().update()
+                return
+
+            # 切换背景色 (黄色 <-> 原始色)
+            is_highlight = (cycle_count % 2 == 1)
+            self.flash_cycles[(row, column)] = (timer, cycle_count, original_brush)
+            self.table_view.viewport().update()
+
+        timer.timeout.connect(update_flash)
+        self.flash_cycles[(row, column)] = (timer, cycle_count, original_brush)
+        timer.start()
+        update_flash()  # 立即开始第一个周期
+
+
+    def get_original_background(self, index):
+        # 获取单元格原始背景色
+        model = index.model()
+        status_index = model.index(index.row(), 7)
+        status = model.data(status_index, Qt.ItemDataRole.DisplayRole)
+
+        if status == "已触发":
+            return QBrush(QColor('lightcoral'))
+        elif status == "错买":
+            return QBrush(QColor('lightgreen'))
+        else:
+            return QBrush(QColor('white'))
+
+    def initStyleOption(self, option, index):
+        super().initStyleOption(option, index)
+
+        model = index.model()
+        status_index = model.index(index.row(), 7)
+        status = model.data(status_index, Qt.ItemDataRole.DisplayRole)
+
+
+        if status == "已触发":
+            option.font = QFont("Arial", 14, QFont.Weight.Bold)
+            option.palette.setColor(QPalette.ColorRole.Text, QColor('red'))
+            option.backgroundBrush = QBrush(QColor('lightcoral'))  # 背景色
+        elif status == "错买":
+            option.font = QFont("Arial", 14, QFont.Weight.Bold)
+            option.palette.setColor(QPalette.ColorRole.Text, QColor('green'))  # 文字颜色
+            option.backgroundBrush = QBrush(QColor('lightgreen'))  # 背景色
+        elif status == "监控中":
+            option.font = QFont("Arial", 12, QFont.Weight.Normal)
+            option.palette.setColor(QPalette.ColorRole.Text, QColor('black'))
+            option.backgroundBrush = QBrush(QColor('white'))
+        else:
+            option.font = QFont("Arial", 12, QFont.Weight.Normal)
+            option.palette.setColor(QPalette.ColorRole.Text, QColor('black'))
+            option.backgroundBrush = QBrush(QColor('white'))
+
+        # 应用闪烁效果 (黄色 <-> 原始色交替)
+        row = index.row()
+        col = index.column()
+        if (row, col) in self.flash_cycles:
+            timer, cycle_count, original_brush = self.flash_cycles[(row, col)]
+            if cycle_count % 2 == 1:
+                # 使用高对比度黄色 (#FFFF99)
+                option.backgroundBrush = QBrush(QColor(255, 255, 153))
+            else:
+                option.backgroundBrush = original_brush
+
+        # 新增对获利列的处理
+        if index.column() == 6:  # 检查是否为获利列
+            option.font = QFont(option.font().family(), option.font().pointSize(), QFont.Weight.Bold)
+            profit_text = model.data(index, Qt.ItemDataRole.DisplayRole)
+            try:
+                profit_value = float(profit_text.replace('%', ''))  # 移除百分号再转换
+                if profit_value > 0:
+                    option.palette.setColor(QPalette.ColorRole.Text, QColor('red'))
+                elif profit_value < 0:
+                    option.palette.setColor(QPalette.ColorRole.Text, QColor('green'))
+            except ValueError:
+                pass  # 如果转换失败，保持默认颜色