{"id":16418,"date":"2023-12-05T10:25:00","date_gmt":"2023-12-05T02:25:00","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16418"},"modified":"2023-12-16T11:18:16","modified_gmt":"2023-12-16T03:18:16","slug":"elasticsearch-zhong-analyzer-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zhong-analyzer-shi-shen-me\/","title":{"rendered":"Elasticsearch \u4e2d Analyzer \u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728Elasticsearch\u4e2d\uff0cAnalyzer\uff08\u5206\u6790\u5668\uff09\u662f\u7528\u4e8e\u5904\u7406\u6587\u672c\u5b57\u6bb5\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5b83\u7531\u4e09\u4e2a\u4e3b\u8981\u7ec4\u4ef6\u7ec4\u6210\uff1a\u5b57\u7b26\u8fc7\u6ee4\u5668\uff08Character Filters\uff09\u3001\u5206\u8bcd\u5668\uff08Tokenizer\uff09\u548c\u6807\u8bb0\u8fc7\u6ee4\u5668\uff08Token Filters\uff09\u3002Analyzer\u7684\u4f5c\u7528\u662f\u5c06\u539f\u59cb\u6587\u672c\u8f6c\u6362\u4e3a\u53ef\u7528\u4e8e\u7d22\u5f15\u548c\u641c\u7d22\u7684\u6807\u8bb0\u5e8f\u5217\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0c\u8fd9\u4e09\u4e2a\u7ec4\u4ef6\u7684\u4f5c\u7528\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \n\u5b57\u7b26\u8fc7\u6ee4\u5668\uff08Character Filters\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5b57\u7b26\u8fc7\u6ee4\u5668\u7528\u4e8e\u5728\u5206\u8bcd\u4e4b\u524d\u5bf9\u6587\u672c\u8fdb\u884c\u9884\u5904\u7406\u3002\u5b83\u53ef\u4ee5\u6267\u884c\u8bf8\u5982HTML\u6807\u7b7e\u53bb\u9664\u3001\u66ff\u6362\u5b57\u7b26\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u5206\u8bcd\u5668\uff08Tokenizer\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u5206\u8bcd\u5668\u8d1f\u8d23\u5c06\u6587\u672c\u5206\u5272\u6210\u4e00\u7cfb\u5217\u7684\u6807\u8bb0\uff08Tokens\uff09\uff0c\u8fd9\u4e9b\u6807\u8bb0\u662f\u641c\u7d22\u548c\u7d22\u5f15\u7684\u57fa\u672c\u5355\u5143\u3002\u5206\u8bcd\u5668\u5b9a\u4e49\u4e86\u5206\u5272\u6587\u672c\u7684\u89c4\u5219\uff0c\u901a\u5e38\u4f1a\u6839\u636e\u7a7a\u683c\u3001\u6807\u70b9\u7b26\u53f7\u7b49\u5c06\u6587\u672c\u5212\u5206\u6210\u5355\u8bcd\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u6807\u8bb0\u8fc7\u6ee4\u5668\uff08Token Filters\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u6807\u8bb0\u8fc7\u6ee4\u5668\u7528\u4e8e\u5bf9\u5206\u8bcd\u540e\u7684\u6807\u8bb0\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u3002\u5b83\u53ef\u4ee5\u6267\u884c\u8bf8\u5982\u5c0f\u5199\u8f6c\u6362\u3001\u505c\u7528\u8bcd\u8fc7\u6ee4\u3001\u540c\u4e49\u8bcd\u6269\u5c55\u7b49\u64cd\u4f5c\uff0c\u4ee5\u8c03\u6574\u6700\u7ec8\u751f\u6210\u7684\u6807\u8bb0\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

          Analyzer\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6587\u672c\u7279\u6027\u8fdb\u884c\u914d\u7f6e\u3002Elasticsearch\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684Analyzer\uff0c\u4e5f\u5141\u8bb8\u7528\u6237\u81ea\u5b9a\u4e49Analyzer\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u5206\u6790\u9700\u6c42\u3002<\/p>\n

          \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u81ea\u5b9a\u4e49Analyzer\u7684\u4f8b\u5b50\uff0c\u5b83\u4f7f\u7528\u4e86HTML\u5b57\u7b26\u8fc7\u6ee4\u5668\u3001\u6807\u51c6\u5206\u8bcd\u5668\u548c\u5c0f\u5199\u6807\u8bb0\u8fc7\u6ee4\u5668\uff1a<\/p>\n

          {\n  "settings": {\n    "analysis": {\n      "analyzer": {\n        "custom_analyzer": {\n          "type": "custom",\n          "char_filter": ["html_strip"],\n          "tokenizer": "standard",\n          "filter": ["lowercase"]\n        }\n      }\n    }\n  }\n}\n<\/code><\/pre>\n
          \u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0cAnalyzer\u7684\u9009\u62e9\u5bf9\u4e8e\u641c\u7d22\u548c\u7d22\u5f15\u7684\u6548\u679c\u81f3\u5173\u91cd\u8981\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u6587\u672c\u6570\u636e\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u5206\u6790\u5668\u914d\u7f6e\uff0c\u4ee5\u83b7\u5f97\u66f4\u51c6\u786e\u7684\u641c\u7d22\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5728Elasticsearch\u4e2d\uff0cAnalyzer\uff08\u5206\u6790\u5668\uff09\u662f\u7528\u4e8e\u5904\u7406\u6587\u672c\u5b57\u6bb5\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5b83\u7531\u4e09\u4e2a\u4e3b\u8981\u7ec4\u4ef6\u7ec4\u6210\uff1a […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-16418","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16418"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16418\/revisions"}],"predecessor-version":[{"id":48421,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16418\/revisions\/48421"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16418"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}