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from langchain.text_splitter import CharacterTextSplitter
from langchain_community.document_loaders import TextLoader
# 1. 文档加载
loader = TextLoader("../../data/C2/txt/蜂医.txt", encoding="utf-8")
docs = loader.load()
# 2. 初始化固定大小分块器
text_splitter = CharacterTextSplitter(
chunk_size=200, # 每个块的大小
chunk_overlap=10 # 块之间的重叠大小
)
# 3. 执行分块
chunks = text_splitter.split_documents(docs)
# 4. 打印结果
print(f"文本被切分为 {len(chunks)} 个块。\n")
print("--- 前5个块内容示例 ---")
for i, chunk in enumerate(chunks[:5]):
print("=" * 60)
# chunk 是一个 Document 对象,需要访问它的 .page_content 属性来获取文本
print(f'{i+1} (长度: {len(chunk.page_content)}): "{chunk.page_content}"')