feat: 添加上证所截图功能并优化股票数据获取

- 新增上证所网页元素截图功能，使用Playwright实现
- 优化股票数据获取方式，改用新浪财经JS接口
- 调整情感分析评分规则为7级分类
- 添加截图显示组件到主界面
- 更新依赖项，替换playwright为selenium

main_window.py

@@ -4,9 +4,9 @@ PySide6 GUI界面模块
 from PySide6.QtWidgets import (QWidget, QVBoxLayout, QHBoxLayout, QLabel,
                                 QPushButton, QSlider, QDialog, QFormLayout,
                                 QLineEdit, QSpinBox, QMessageBox, QSystemTrayIcon,
-                                QMenu, QTextEdit, QGroupBox, QDialogButtonBox, QCheckBox)
+                                QMenu, QTextEdit, QGroupBox, QDialogButtonBox, QCheckBox, QScrollArea)
 from PySide6.QtCore import Qt, QTimer, Signal, QPoint
-from PySide6.QtGui import QFont, QColor, QPainter, QBrush, QPen, QIcon, QAction
+from PySide6.QtGui import QFont, QColor, QPainter, QBrush, QPen, QIcon, QAction, QPixmap
 from typing import Callable, Optional
 from loguru import logger
 
@@ -95,16 +95,20 @@ class SentimentIndicator(QWidget):
 
     def get_description(self, score: int) -> str:
         """获取描述文本"""
-        if score < 20:
-            return "极度看跌"
-        elif score < 40:
+        if score < 30:
+            return "极度悲观"
+        elif score < 39:
+            return "悲观"
+        elif score < 45:
             return "偏悲观"
-        elif score < 60:
-            return "中性"
-        elif score < 80:
+        elif score < 55:
+            return "中立"
+        elif score < 65:
             return "偏乐观"
+        elif score < 70:
+            return "乐观"
         else:
-            return "极度看涨"
+            return "极度乐观"
 
 
 class ConfigDialog(QDialog):
@@ -263,6 +267,22 @@ class MainWindow(QWidget):
         self.waveform_widget = WaveformWidget()
         self.waveform_widget.setMinimumHeight(200)
 
+        # 上证所截图显示
+        screenshot_group = QGroupBox("上证所行情")
+        screenshot_layout = QVBoxLayout(screenshot_group)
+        
+        self.screenshot_label = QLabel("等待截图...")
+        self.screenshot_label.setAlignment(Qt.AlignCenter)
+        self.screenshot_label.setMinimumSize(400, 200)
+        self.screenshot_label.setStyleSheet("border: 1px solid #ccc; background-color: #f0f0f0;")
+        
+        screenshot_scroll = QScrollArea()
+        screenshot_scroll.setWidget(self.screenshot_label)
+        screenshot_scroll.setWidgetResizable(True)
+        screenshot_scroll.setMinimumHeight(150)
+        
+        screenshot_layout.addWidget(screenshot_scroll)
+
         # 按钮
         btn_layout = QHBoxLayout()
         self.refresh_btn = QPushButton("刷新")
@@ -279,6 +299,7 @@ class MainWindow(QWidget):
         layout.addWidget(self.score_label)
         layout.addWidget(self.status_label)
         layout.addWidget(self.waveform_widget)
+        layout.addWidget(screenshot_group)
         layout.addLayout(btn_layout)
 
         # 设置窗口标志（无边框、可拖拽）
@@ -426,6 +447,22 @@ class MainWindow(QWidget):
         self.waveform_widget.add_data_point(time_str, value)
         logger.info(f"添加波形图数据点: 时间={time_str}, 值={value}")
 
+    def update_sse_screenshot(self, screenshot_path: str):
+        """更新上证所截图显示"""
+        logger.info(f"更新截图显示: {screenshot_path}")
+        pixmap = QPixmap(screenshot_path)
+        if not pixmap.isNull():
+            self.screenshot_label.setPixmap(pixmap.scaled(
+                self.screenshot_label.size(),
+                Qt.KeepAspectRatio,
+                Qt.SmoothTransformation
+            ))
+            self.screenshot_label.setText("")
+            logger.info("截图显示更新成功")
+        else:
+            self.screenshot_label.setText("截图加载失败")
+            logger.warning("截图加载失败")
+
 
 class QCheckBox(QPushButton):
     """自定义复选框"""