{"id":2495,"date":"2025-03-09T09:38:31","date_gmt":"2025-03-09T01:38:31","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2495"},"modified":"2025-03-09T13:01:45","modified_gmt":"2025-03-09T05:01:45","slug":"mongodb-%e5%85%a8%e6%96%87%e6%a3%80%e7%b4%a2%ef%bc%88text-search%ef%bc%89%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/09\/mongodb-%e5%85%a8%e6%96%87%e6%a3%80%e7%b4%a2%ef%bc%88text-search%ef%bc%89%e8%af%a6%e8%a7%a3\/","title":{"rendered":"MongoDB \u5168\u6587\u68c0\u7d22\uff08Text Search\uff09\u8be6\u89e3"},"content":{"rendered":"\n

1. \u4ec0\u4e48\u662f MongoDB \u5168\u6587\u68c0\u7d22\uff1f<\/strong><\/h2>\n\n\n\n

MongoDB \u63d0\u4f9b\u4e86\u5168\u6587\u68c0\u7d22<\/strong>\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u96c6\u5408\u7684\u6587\u672c\u5b57\u6bb5\u4e0a\u6267\u884c\u590d\u6742\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u4f8b\u5982\u5339\u914d\u7279\u5b9a\u5355\u8bcd\u3001\u77ed\u8bed\uff0c\u751a\u81f3\u6267\u884c\u6a21\u7cca\u5339\u914d\u548c\u6743\u91cd\u6392\u5e8f\u7b49\u64cd\u4f5c\u3002\u4e0e\u4f20\u7edf\u7684\u6570\u636e\u5e93\u67e5\u8be2\u4e0d\u540c\uff0cMongoDB \u7684\u5168\u6587\u68c0\u7d22\u80fd\u591f\u9ad8\u6548\u5730\u6267\u884c\u81ea\u7136\u8bed\u8a00\u67e5\u8be2\u3002<\/p>\n\n\n\n

\n\n\n\n

2. \u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong><\/h2>\n\n\n\n

\u8981\u542f\u7528\u5168\u6587\u68c0\u7d22\uff0c\u9996\u5148\u9700\u8981\u5728\u76ee\u6807\u5b57\u6bb5\u4e0a\u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong>\u3002MongoDB \u63d0\u4f9b\u4e86$text<\/code>\u7d22\u5f15\u7c7b\u578b\uff0c\u5b83\u5141\u8bb8\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u5b57\u6bb5\u4e0a\u8fdb\u884c\u5168\u6587\u641c\u7d22\u3002<\/p>\n\n\n\n

(1) \u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong><\/h3>\n\n\n\n

\u5728 MongoDB \u4e2d\uff0c\u4f60\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u6bb5\u521b\u5efa\u5168\u6587\u7d22\u5f15\uff1a<\/p>\n\n\n\n

db.articles.createIndex({ content: \"text\" })<\/code><\/pre>\n\n\n\n
\u6b64\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u6587\u672c\u7d22\u5f15\uff0c\u5141\u8bb8\u5728 content<\/code> \u5b57\u6bb5\u4e0a\u6267\u884c\u5168\u6587\u68c0\u7d22\u3002<\/p>\n\n\n\n
(2) \u5bf9\u591a\u4e2a\u5b57\u6bb5\u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong><\/h3>\n\n\n\n
\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5305\u62ec\u591a\u4e2a\u5b57\u6bb5\u7684\u5168\u6587\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u9488\u5bf9 title<\/code> \u548c content<\/code> \u5b57\u6bb5\u540c\u65f6\u8fdb\u884c\u7d22\u5f15\uff1a<\/p>\n\n\n\n
db.articles.createIndex({ title: \"text\", content: \"text\" })<\/code><\/pre>\n\n\n\n
\n\n\n\n
3. \u4f7f\u7528\u5168\u6587\u7d22\u5f15\u8fdb\u884c\u67e5\u8be2<\/strong><\/h2>\n\n\n\n
\u5728\u521b\u5efa\u597d\u5168\u6587\u7d22\u5f15\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 $text<\/code> \u67e5\u8be2\u8fd0\u7b97\u7b26\u8fdb\u884c\u68c0\u7d22\u3002<\/p>\n\n\n\n
(1) \u7b80\u5355\u7684\u5168\u6587\u68c0\u7d22<\/strong><\/h3>\n\n\n\n
db.articles.find({ $text: { $search: \"mongodb\" } })<\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u67e5\u8be2\u4f1a\u8fd4\u56de\u6240\u6709\u5728 content<\/code> \u6216 title<\/code> \u5b57\u6bb5\u4e2d\u5305\u542b mongodb<\/code> \u5355\u8bcd\u7684\u6587\u6863\u3002<\/p>\n\n\n\n
(2) \u4f7f\u7528\u6587\u672c\u641c\u7d22\u77ed\u8bed<\/strong><\/h3>\n\n\n\n
\u53ef\u4ee5\u7528\u5f15\u53f7 \"<\/code> \u6765\u641c\u7d22\u786e\u5207\u7684\u77ed\u8bed<\/strong>\uff1a<\/p>\n\n\n\n
db.articles.find({ $text: { $search: \"\\\"NoSQL database\\\"\" } })<\/code><\/pre>\n\n\n\n
\u8be5\u67e5\u8be2\u4f1a\u8fd4\u56de\u5305\u542b\u77ed\u8bed NoSQL database<\/code> \u7684\u6587\u6863\u3002<\/p>\n\n\n\n
(3) \u6392\u9664\u67d0\u4e9b\u8bcd<\/strong><\/h3>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 -<\/code> \u6765\u6392\u9664\u67d0\u4e9b\u8bcd\uff1a<\/p>\n\n\n\n
db.articles.find({ $text: { $search: \"mongodb -tutorial\" } })<\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u67e5\u8be2\u4f1a\u8fd4\u56de\u5305\u542b mongodb<\/code>\uff0c\u4f46\u4e0d\u5305\u542b tutorial<\/code> \u7684\u6587\u6863\u3002<\/p>\n\n\n\n
(4) \u591a\u4e2a\u8bcd\u7684\u67e5\u8be2<\/strong><\/h3>\n\n\n\n
\u4f60\u53ef\u4ee5\u67e5\u8be2\u591a\u4e2a\u8bcd\uff0c\u5e76\u4e14 MongoDB \u4f1a\u8fd4\u56de\u5305\u542b\u4efb\u610f\u4e00\u4e2a\u8bcd\u7684\u6587\u6863\uff1a<\/p>\n\n\n\n
db.articles.find({ $text: { $search: \"mongodb database\" } })<\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u67e5\u8be2\u4f1a\u8fd4\u56de\u5305\u542b mongodb<\/code> \u6216 database<\/code> \u4efb\u610f\u4e00\u4e2a\u8bcd\u7684\u6587\u6863\u3002<\/p>\n\n\n\n
\n\n\n\n
4. \u4f7f\u7528\u5168\u6587\u7d22\u5f15\u7684\u66f4\u591a\u9009\u9879<\/strong><\/h2>\n\n\n\n
MongoDB \u63d0\u4f9b\u4e86\u51e0\u4e2a\u989d\u5916\u7684\u9009\u9879\u6765\u4f18\u5316\u548c\u5b9a\u5236\u5168\u6587\u68c0\u7d22\u3002<\/p>\n\n\n\n
(1) \u6743\u91cd\u8bbe\u7f6e<\/strong><\/h3>\n\n\n\n
\u5728\u521b\u5efa\u5168\u6587\u7d22\u5f15\u65f6\uff0c\u53ef\u4ee5\u4e3a\u4e0d\u540c\u5b57\u6bb5\u8bbe\u7f6e\u6743\u91cd<\/strong>\uff0c\u4f7f\u5f97\u67d0\u4e9b\u5b57\u6bb5\u6bd4\u5176\u4ed6\u5b57\u6bb5\u66f4\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u7ed9 title<\/code> \u5b57\u6bb5\u66f4\u9ad8\u7684\u6743\u91cd\uff1a<\/p>\n\n\n\n
db.articles.createIndex(\n    { title: \"text\", content: \"text\" },\n    { weights: { title: 10, content: 1 } }\n)<\/code><\/pre>\n\n\n\n
\u8fd9\u6837\u5728\u67e5\u8be2\u65f6\uff0c\u5982\u679c title<\/code> \u5b57\u6bb5\u5339\u914d\u5230\u67e5\u8be2\u6761\u4ef6\uff0c\u5219\u5339\u914d\u5ea6\u66f4\u9ad8\u3002<\/p>\n\n\n\n
(2) \u6392\u5e8f\u67e5\u8be2\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
MongoDB \u5141\u8bb8\u5728\u67e5\u8be2\u7ed3\u679c\u4e2d\u6309\u5339\u914d\u5ea6\u6392\u5e8f\uff0c\u4f7f\u7528 score<\/code> \u6392\u5e8f\uff1a<\/p>\n\n\n\n
db.articles.find({ $text: { $search: \"mongodb\" } })\n    .sort({ score: { $meta: \"textScore\" } })<\/code><\/pre>\n\n\n\n
\u8fd9\u4f1a\u6839\u636e\u6587\u672c\u5339\u914d\u7684\u76f8\u5173\u6027\uff08score<\/code>\uff09\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff0c\u5339\u914d\u5ea6\u8d8a\u9ad8\u7684\u6587\u6863\u6392\u5f97\u8d8a\u524d\u3002<\/p>\n\n\n\n
(3) \u9650\u5236\u8fd4\u56de\u5b57\u6bb5<\/strong><\/h3>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 projection<\/code> \u6765\u9650\u5236\u8fd4\u56de\u5b57\u6bb5\uff1a<\/p>\n\n\n\n
db.articles.find({ $text: { $search: \"mongodb\" } }, { score: { $meta: \"textScore\" }, title: 1 })<\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u67e5\u8be2\u5c06\u8fd4\u56de\u6587\u6863\u7684 title<\/code> \u5b57\u6bb5\u548c\u6587\u672c\u5339\u914d\u7684 score<\/code>\u3002<\/p>\n\n\n\n
\n\n\n\n
5. \u4f7f\u7528\u5168\u6587\u68c0\u7d22\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/h2>\n\n\n\n
(1) \u5927\u5c0f\u5199\u4e0d\u654f\u611f<\/strong><\/h3>\n\n\n\n
MongoDB \u7684\u5168\u6587\u68c0\u7d22\u662f\u5927\u5c0f\u5199\u4e0d\u654f\u611f<\/strong>\u7684\uff0c\u5373\u67e5\u8be2 mongodb<\/code> \u548c MongoDB<\/code> \u4f1a\u8fd4\u56de\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n
(2) \u8bcd\u6c47\u5207\u5206<\/strong><\/h3>\n\n\n\n
MongoDB \u9ed8\u8ba4\u5c06\u6587\u672c\u6309\u7a7a\u683c\u548c\u6807\u70b9\u7b26\u53f7\u8fdb\u884c\u5207\u5206\uff0c\u5e76\u652f\u6301\u5bf9\u5e38\u89c1\u5355\u8bcd\u8fdb\u884c\u8fc7\u6ee4\uff08\u5982\uff1aa, the, in \u7b49\uff09\u3002\u4f46\u662f\u5bf9\u4e8e\u5176\u4ed6\u8bed\u8a00\u6216\u7279\u6b8a\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u5b9a\u5236\u8bcd\u6c47\u5206\u5272\u89c4\u5219\u3002<\/p>\n\n\n\n
(3) \u6587\u672c\u7d22\u5f15\u7684\u6027\u80fd<\/strong><\/h3>\n\n\n\n
\u5168\u6587\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u6587\u672c\u67e5\u8be2\u7684\u6548\u7387\uff0c\u4f46\u7d22\u5f15\u4f1a\u5360\u7528\u989d\u5916\u5b58\u50a8\u7a7a\u95f4<\/strong>\u3002\u5982\u679c\u5b57\u6bb5\u5185\u5bb9\u975e\u5e38\u957f\uff0c\u6216\u8005\u7d22\u5f15\u5185\u5bb9\u975e\u5e38\u590d\u6742\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u65f6\u8981\u6ce8\u610f\u7d22\u5f15\u7684\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n\n\n\n
(4) \u5b57\u7b26\u96c6\u652f\u6301<\/strong><\/h3>\n\n\n\n
MongoDB \u9ed8\u8ba4\u652f\u6301 UTF-8 \u7f16\u7801\u7684\u6587\u672c\uff0c\u56e0\u6b64\u53ef\u4ee5\u5904\u7406\u591a\u79cd\u8bed\u8a00\u7684\u6587\u672c\u3002\u5bf9\u4e8e\u975e\u82f1\u8bed\u8bed\u8a00\uff0cMongoDB \u4f1a\u6839\u636e\u8bed\u8a00\u7684\u7279\u70b9\u5904\u7406\u8bcd\u6c47\u3002<\/p>\n\n\n\n
\n\n\n\n
6. \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
    \n
  • MongoDB \u7684\u5168\u6587\u68c0\u7d22\u57fa\u4e8e\u6587\u672c\u7d22\u5f15<\/strong>\uff0c\u5141\u8bb8\u5728\u6587\u6863\u4e2d\u7684\u6587\u672c\u5b57\u6bb5\u4e0a\u8fdb\u884c\u9ad8\u6548\u7684\u641c\u7d22\u3002<\/li>\n\n\n\n
  • \u4f7f\u7528 $text<\/code> \u67e5\u8be2\u53ef\u4ee5\u6267\u884c\u5173\u952e\u5b57\u5339\u914d\u3001\u77ed\u8bed\u641c\u7d22\u3001\u6392\u9664\u8bcd\u6c47\u7b49\u64cd\u4f5c\u3002<\/li>\n\n\n\n
  • \u652f\u6301\u6587\u672c\u5339\u914d\u7684\u76f8\u5173\u6027\u6392\u5e8f<\/strong>\uff0c\u4ee5\u53ca\u4e3a\u5b57\u6bb5\u8bbe\u7f6e\u6743\u91cd<\/strong>\u3002<\/li>\n\n\n\n
  • \u5728\u521b\u5efa\u7d22\u5f15\u65f6\uff0c\u9700\u8003\u8651\u6027\u80fd\u548c\u5b58\u50a8\u5f00\u9500\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u91cf\u6587\u672c\u6570\u636e\u65f6\u3002<\/li>\n<\/ul>\n\n\n\n
    \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u53ef\u4ee5\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    1. \u4ec0\u4e48\u662f MongoDB \u5168\u6587\u68c0\u7d22\uff1f MongoDB \u63d0\u4f9b\u4e86\u5168\u6587\u68c0\u7d22\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u96c6\u5408\u7684\u6587\u672c\u5b57\u6bb5\u4e0a\u6267\u884c\u590d\u6742\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":2538,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-2495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mongodb"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2495"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2495\/revisions"}],"predecessor-version":[{"id":2496,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2495\/revisions\/2496"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2538"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}