ADD file via upload

analysis.py

@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+import os  # 新增：导入os模块用于文件检查
+
+class DanmakuAnalyzer:
+    def __init__(self, danmu_path="./data/all_danmu.txt"):
+        self.danmu_list = []
+        # 新增：检查文件是否存在
+        if not os.path.exists(danmu_path):
+            print(f"错误：弹幕文件 {danmu_path} 不存在")
+            return
+        # 新增：异常处理
+        try:
+            with open(danmu_path, "r", encoding="utf-8") as f:
+                self.danmu_list = [line.strip() for line in f if line.strip()]
+        except Exception as e:
+            print(f"读取弹幕文件失败：{e}")
+
+    def analyze(self):
+        """分析用户观点"""
+        if not self.danmu_list:  # 新增：检查数据是否有效
+            print("无有效弹幕数据，无法进行分析")
+            return
+            
+        categories = {
+            "应用领域": ["学习", "办公", "编程", "写作"],
+            "成本": ["免费", "付费", "贵"],
+            "担忧": ["失业", "隐私", "错误"]
+        }
+        counts = {k:0 for k in categories}
+        for danmu in self.danmu_list:
+            for cat, keywords in categories.items():
+                if any(kw in danmu for kw in keywords):
+                    counts[cat] += 1
+        print("\n用户观点分析：")
+        total = len(self.danmu_list)
+        for cat, cnt in counts.items():
+            print(f"- {cat}：{cnt}次提及（占比{cnt/total:.1%}）")
+
+if __name__ == "__main__":
+    analyzer = DanmakuAnalyzer()
+    analyzer.analyze()