{"componentChunkName":"component---src-templates-blog-detail-tsx","path":"/blog/2019-09-01-search-engine-blog","result":{"data":{"currentBlog":{"id":"97450b07-658b-5207-8216-1c7b9b51b115","frontmatter":{"thumbnail":"https://img.serverlesscloud.cn/2020114/1578988490344-v2-8b2cd2c5275aa2c5a3c5083a148a7a9f_1200x500.jpg","authors":["Anycodes"],"categories":["user-stories"],"date":"2019-09-01T00:00:00.000Z","title":"如何通过 Serverless 与自然语言处理，让搜索引擎「看」到你的博客","description":"Serverless 与自然语言处理结合的一个小应用","authorslink":["https://www.zhihu.com/people/liuyu-43-97"],"translators":null,"translatorslink":null,"tags":["个人博客","serverless"],"keywords":"Serverless 自然语言处理","outdated":null},"wordCount":{"words":106,"sentences":34,"paragraphs":34},"fileAbsolutePath":"/opt/build/repo/content/blog/2019-09-01-search-engine-blog.md","fields":{"slug":"/blog/2019-09-01-search-engine-blog/","keywords":["serverless","云函数","keywords","serverlesscloud","summary"]},"html":"

自然语言的内容有很多，本文所介绍的自然语言处理部分是「文本摘要」和「关键词提取」。

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很多朋友会有自己的博客，在博客上发文章时，这些文章发出去后，有的很容易被搜索引擎检索，有的则很难。那么有没有什么方法，让搜索引擎对博客友好一些呢？这里有一个好方法 —— 那就是填写网页的 Description 还有 Keywords。

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但是每次都需要我们自己去填写，非常繁琐。这个过程能否自动化实现？本文将会通过 Python 的 jieba 和 snownlp 进行文本摘要和关键词提取的实现。

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▎准备资源

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下载以下资源：

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下载完成后，新建文件夹，拷贝对应的文件：

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\"拷贝对应文件\"

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拷贝之后，建立文件 index.py

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# -*- coding: utf8 -*-\nimport json\nimport jieba.analyse\nfrom snownlp import SnowNLP\n\n\ndef FromSnowNlp(text, summary_num):\n    s = SnowNLP(text)\n    return s.summary(summary_num)\n\n\ndef FromJieba(text, keywords_type, keywords_num):\n    if keywords_type == "tfidf":\n        return jieba.analyse.extract_tags(text, topK=keywords_num)\n    elif keywords_type == "textrank":\n        return jieba.analyse.textrank(text, topK=keywords_num)\n    else:\n        return None\n\n\ndef main_handler(event, context):\n    text = event["text"]\n    summary_num = event["summary_num"]\n    keywords_num = event["keywords_num"]\n    keywords_type = event["keywords_type"]\n\n    return {"keywords": FromJieba(text, keywords_type, keywords_num),\n            "summary": FromSnowNlp(text, summary_num)}
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超简单的代码有没有！

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▎上传文件

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在云函数 SCF 控制台上新建一个项目：

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\"新建项目\"

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\"新建项目2\"

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提交方法选择上传 zip：

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然后我们压缩文件，并改名为 index.zip：

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\"压缩文件\"

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▎测试

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测试之前可以适当调整一下我们的配置：

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\"配置\"

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然后进行 input 模板的输入：

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\"模板输入\"

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模板可以是：

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{\n  "text": "前来参观的人群络绎不绝。在“两弹历程馆”里……（略）”",\n  "summary_num": 5,\n  "keywords_num": 5,\n  "keywords_type": "tfidf"\n}
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然后点击测试：

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\"测试\"

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▎应用

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至此，我们完成了简单的关键词提取功能和抽取式文本摘要过程。

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当然，这只是简单的抛砖引玉，因为摘要这里还有声称是文本摘要，而且抽取式摘要也可能会根据不同的文章类型，有着不同的特色方法，所以这里只是通过一个简单的 Demo 来实现一个小功能，帮助大家做一个简单的 SEO 优化。

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大家以后自己做博客的时候，可以增加 keywords 或者 description 字段，然后每次从 sql 获得文章数据的时候，将这两个部分放到 meta 中，会大大提高页面被索引的概率哦～！

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传送门：

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欢迎访问：Serverless 中文网，您可以在 最佳实践 里体验更多关于 Serverless 应用的开发！

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