From 641b4d57ce0a11e4f488f7ae2619ae0b2c0d4dfe Mon Sep 17 00:00:00 2001
From: ptlwmhjs9 <2869950691@qq.com>
Date: Wed, 18 Sep 2024 19:16:01 +0800
Subject: [PATCH] ADD file via upload

---
 关键词检测.py | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 关键词检测.py

diff --git a/关键词检测.py b/关键词检测.py
new file mode 100644
index 0000000..43c3f3a
--- /dev/null
+++ b/关键词检测.py
@@ -0,0 +1,46 @@
+#2.2 数据统计
+import collections
+import re
+
+# 定义关键词列表
+keywords = ['AI', "人工智能", 'ai']
+
+# 读取文本文件
+with open('MID、BVID、CID及弹幕.txt', 'r', encoding='utf-8') as file:
+    lines = file.readlines()
+
+# 初始化一个Counter对象
+counter = collections.Counter()
+
+# 遍历每一行，检测关键词并计数
+for line in lines:
+    line_lower = line.lower()  # 将行转换为小写以进行不区分大小写的匹配
+    for keyword in keywords:
+        # 使用正则表达式匹配独立的关键词
+        if keyword.lower() == 'AI':
+            # 只在中文字符的上下文中匹配独立的“AI”单词
+            if re.search(r'[\u4e00-\u9fff]AI[\u4e00-\u9fff]', line_lower):
+                counter[line.strip()] += 1
+                break  # 避免同一行多次计数
+        else:
+            if keyword.lower() == 'ai':
+            # 只在中文字符的上下文中匹配独立的“ai”单词
+                if re.search(r'[\u4e00-\u9fff]ai[\u4e00-\u9fff]', line_lower):
+                    counter[line.strip()] += 1
+                    break  # 避免同一行多次计数
+            else:
+                if keyword.lower() in line_lower:
+                    counter[line.strip()] += 1
+                    break  # 避免同一行多次计数
+
+# 获取出现次数最多的前二十个句子
+most_common_lines = counter.most_common(20)
+
+# 输出结果到文件
+with open('AI弹幕.txt', 'w', encoding='utf-8') as f:
+    for line, count in most_common_lines:
+        f.write(f'{line}: {count} 次\n')
+        print(f"{line}: {count} 次")
+with open('AI弹幕（生成词云图用）.txt', 'w', encoding='utf-8') as f:
+    for line, count in most_common_lines:
+        f.write(f'{line}\n')