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import re
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import pandas as pd
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from collections import Counter
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# 读取文本
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def read_file(file_path):
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with open(file_path, 'r', encoding='utf-8') as file:
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return file.read()
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# 将文本拆分为句子
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def split_into_sentences(text):
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# 使用正则表达式将文本分割
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sentences = re.split(r'[.!?。!?]', text)
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return [sentence.strip() for sentence in sentences if sentence.strip()]
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# 查找包含关键词的句子并统计关键词出现次数
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def find_top_sentences_by_keyword(sentences, keyword, top_n=8):
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keyword_counts = []
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for sentence in sentences:
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count = sentence.lower().count(keyword.lower())
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if count > 0:
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keyword_counts.append((sentence, count))
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# 根据关键词出现次数排序,并取前n个
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keyword_counts.sort(key=lambda x: x[1], reverse=True)
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return [sentence for sentence, _ in keyword_counts[:top_n]]
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# 将结果保存到TXT文件中
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def save_to_file(file_path, keyword, sentences):
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with open(file_path, 'a', encoding='utf-8') as file:
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file.write(f"关键词: {keyword}\n")
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for i, sentence in enumerate(sentences, 1):
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file.write(f"{i}. {sentence}\n")
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file.write("\n") # 分隔不同关键词的结果
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# 主函数
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def main():
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# 输入TXT文件路径
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input_file = '3.txt'
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output_file = 'output.txt'
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# 要查找的关键词列表
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keywords = [
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'AI', '人工智能', '机器学习', '深度学习', '神经网络', '自动化', '算法', '数据科学',
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'自然语言处理', '计算机视觉', '人工智能技术', 'AI技术', 'AI应用', 'AI模型',
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'大数据', '预测分析', '机器视觉', '自动驾驶',
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'智能推荐', '计算机科学', '人工智能应用',
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'数据分析','智能化', '情感计算','ai','字幕','推荐','gpt','机器','直播','机翻','实时','技术'
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]
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# 读取文本并拆分为句子
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text = read_file(input_file)
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sentences = split_into_sentences(text)
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# 对每个关键词查找出现次数前八的句子
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for keyword in keywords:
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top_sentences = find_top_sentences_by_keyword(sentences, keyword, top_n=8)
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save_to_file(output_file, keyword, top_sentences)
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if __name__ == "__main__":
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main()
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