{"id":344,"date":"2025-04-19T12:43:37","date_gmt":"2025-04-19T04:43:37","guid":{"rendered":"https:\/\/cn1.club\/?p=344"},"modified":"2025-04-19T12:43:37","modified_gmt":"2025-04-19T04:43:37","slug":"%e7%9f%ad%e8%a7%86%e9%a2%91%e7%b3%bb%e7%bb%9f%e7%9a%84%e6%a0%87%e7%ad%be%e8%a1%a8%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/cn1.club\/?p=344","title":{"rendered":"\u77ed\u89c6\u9891\u7cfb\u7edf\u7684\u6807\u7b7e\u8868\u8bbe\u8ba1"},"content":{"rendered":"\n<p>\u6700\u8fd1\u5229\u7528H5\u539f\u751f\u6846\u67b6\u5199\u4e86\u4e00\u6b3e\u7c7b\u4f3c\u4e8e\u6296\u97f3\u7684\u7f51\u9875\u7248\u77ed\u89c6\u9891\u7cfb\u7edf, \u8fd9\u662f\u4e00\u6b3e\u57fa\u4e8e MySQL\u6570\u636e\u5e93\u7684\u89c6\u9891\u8d44\u6e90\u5206\u4eab\u5e73\u53f0\u4e2d\uff0c\u5176\u4e2d\u641c\u7d22\u529f\u80fd\u7ecf\u5e38\u9700\u8981\u9488\u5bf9\u6bcf\u6761\u89c6\u9891\u6807\u7b7e\uff08\u5982 #\u751f\u6d3b\u3001#\u65f6\u5c1a\uff09\u8fdb\u884c\u641c\u7d22,\u53e6\u5916\u6211\u9700\u8981\u5728\u7528\u6237\u70b9\u51fb\u67d0\u89c6\u9891\u5f53\u4e2d\u7684\u6807\u7b7e\u540e,\u641c\u7d22\u5e76\u5c55\u73b0\u6253\u7740\u8be5\u6807\u7b7e\u7684\u7c7b\u4f3c\u89c6\u9891\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\u662f\u5c06\u6807\u7b7e\u5b58\u50a8\u5728\u4e86\u77ed\u89c6\u9891\u4fe1\u606f\u8868\u4e2d\u7684\u67d0\u4e2a\u5b57\u6bb5<\/p>\n\n\n\n<p>\u53ef\u662f\uff0c\u5728\u96cf\u5f62\u57fa\u672c\u5b8c\u6210\u7684\u65f6\u5019\u6211\u5ffd\u7136\u60f3\u5230,\u5982\u679c\u540e\u671f\u6570\u636e\u91cf\u9010\u6e10\u589e\u5927,\u6807\u7b7e\u641c\u7d22\u7cfb\u7edf\u7684\u6a21\u7cca\u67e5\u8be2\u5bf9\u670d\u52a1\u5668\u7684\u8d44\u6e90\u5360\u7528\u4e5f\u4e0d\u53ef\u5ffd\u89c6,\u5982\u679c\u4f7f\u7528\u4e0d\u5f53\uff0c\u5373\u4f7f\u662f 60 \u4e07\u6761\u6570\u636e\u4e5f\u53ef\u80fd\u8ba9\u6570\u636e\u5e93\u538b\u529b\u5c71\u5927\uff0c\u67e5\u8be2\u901f\u5ea6\u6162\u5f97\u4ee4\u4eba\u5d29\u6e83\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-0\">\u5e38\u89c1\u5199\u6cd5\uff1aLIKE \u67e5\u8be2<\/h2>\n\n\n\n<p>\u4ee5\u5e73\u53f0\u89c6\u9891\u5217\u8868 <code class=\"prettyprint\" >playerlist<\/code> \u8868\u4e3a\u4f8b\uff0c\u5e38\u89c1\u67e5\u8be2\u8bed\u53e5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >SELECT * FROM playerlist \nWHERE videoLabel LIKE &#039;%\u751f\u6d3b%&#039; \nORDER BY like_count DESC;<\/code><\/pre>\n\n\n\n<p>\u521d\u770b\u6ca1\u95ee\u9898\uff0c\u4f46 <code class=\"prettyprint\" >LIKE &#039;%\u5173\u952e\u8bcd%&#039;<\/code> \u8fd9\u6837\u7684\u5199\u6cd5\u5176\u5b9e\u975e\u5e38\u5f71\u54cd\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u6570\u636e\u91cf\u4e0a\u4e07\u751a\u81f3\u51e0\u5341\u4e07\u65f6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-1\">\u539f\u56e0\u5206\u6790\uff1a\u4e3a\u4ec0\u4e48 LIKE \u4f1a\u6162\uff1f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65e0\u6cd5\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong> \u524d\u7f00\u6709 <code class=\"prettyprint\" >%<\/code>\uff0cMySQL \u65e0\u6cd5\u4f7f\u7528\u7d22\u5f15\u52a0\u901f\u67e5\u627e\u3002<\/li>\n\n\n\n<li><strong>\u5168\u8868\u626b\u63cf\uff1a<\/strong> \u53ea\u80fd\u9010\u6761\u626b\u63cf\u6240\u6709\u6570\u636e\u8fdb\u884c\u5b57\u7b26\u4e32\u5339\u914d\u3002<\/li>\n\n\n\n<li><strong>\u6392\u5e8f\u589e\u52a0\u8d1f\u62c5\uff1a<\/strong> \u518d\u52a0\u4e0a <code class=\"prettyprint\" >ORDER BY<\/code> \u6392\u5e8f\uff0cMySQL \u66f4\u5403\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-2\">\u4f18\u5316\u65b9\u6848<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc-3\">1. \u4f7f\u7528 FULLTEXT \u5168\u6587\u7d22\u5f15<\/h3>\n\n\n\n<p>MySQL \u63d0\u4f9b\u4e86 <code class=\"prettyprint\" >FULLTEXT<\/code> \u7d22\u5f15\uff0c\u7279\u522b\u9002\u5408\u5bf9\u6587\u672c\u5b57\u6bb5\u7684\u6a21\u7cca\u5339\u914d\u9700\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ALTER TABLE playerlist ADD FULLTEXT(videoLabel);\n\nSELECT * FROM playerlist \nWHERE MATCH(videoLabel) AGAINST(&#039;\u751f\u6d3b&#039; IN NATURAL LANGUAGE MODE)\nORDER BY like_count DESC;<\/code><\/pre>\n\n\n\n<p>\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6027\u80fd\u4f18\u4e8e <code class=\"prettyprint\" >LIKE<\/code><\/li>\n\n\n\n<li>\u652f\u6301\u5206\u8bcd\u641c\u7d22\uff08\u82f1\u6587\u5f88\u597d\uff0c\u4e2d\u6587\u9700\u914d\u5408 ngram\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc-4\">2. \u5efa\u7acb\u6807\u7b7e\u8868\uff0c\u5b9e\u73b0\u591a\u5bf9\u591a\u7ed3\u6784<\/h3>\n\n\n\n<p>\u5982\u679c\u6807\u7b7e\u662f\u4ee5 <code class=\"prettyprint\" >#\u751f\u6d3b,#\u6f6e\u6d41<\/code> \u5f62\u5f0f\u5b58\u5728\uff0c\u5efa\u8bae\u8fdb\u884c\u7ed3\u6784\u4f18\u5316\uff0c\u5c06\u6807\u7b7e\u62c6\u5206\u4e3a\u72ec\u7acb\u8868\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code class=\"prettyprint\" >tags<\/code>\uff1a\u5b58\u50a8\u6240\u6709\u6807\u7b7e<\/li>\n\n\n\n<li><code class=\"prettyprint\" >playerlist_tags<\/code>\uff1a\u89c6\u9891\u4e0e\u6807\u7b7e\u7684\u5173\u8054\u5173\u7cfb<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >SELECT p.* \nFROM playerlist p\nJOIN playerlist_tags pt ON p.id = pt.player_id\nJOIN tags t ON pt.tag_id = t.id\nWHERE t.name = &#039;\u751f\u6d3b&#039;\nORDER BY p.like_count DESC;<\/code><\/pre>\n\n\n\n<p>\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ed3\u6784\u6e05\u6670\uff0c\u4fbf\u4e8e\u7ef4\u62a4<\/li>\n\n\n\n<li>\u6027\u80fd\u597d\uff0c\u53ef\u7075\u6d3b\u652f\u6301\u591a\u6807\u7b7e\u641c\u7d22<\/li>\n\n\n\n<li>\u6613\u6269\u5c55\uff1a\u6807\u7b7e\u6743\u91cd\u3001\u70ed\u5ea6\u3001\u63a8\u8350\u7b49\u529f\u80fd<\/li>\n<\/ul>\n\n\n<h3 id=\"toc-5\">3. \u5229\u7528\u7f13\u5b58\u7cfb\u7edf<\/h3>\n\n\n<p>\u70ed\u95e8\u5173\u952e\u8bcd\u5982\u201c\u751f\u6d3b\u201d\u3001\u201c\u65f6\u5c1a\u201d\u7b49\uff0c\u53ef\u4ee5\u7528 Redis \u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u538b\u529b\u3002<\/p>\n\n\n<h3 id=\"toc-6\">4. \u6700\u4f4e\u9650\u5ea6\u4f18\u5316\uff1a\u5efa\u7acb\u666e\u901a\u7d22\u5f15<\/h3>\n\n\n<p>\u867d\u7136 <code class=\"prettyprint\" >LIKE &#039;%\u5173\u952e\u8bcd%&#039;<\/code> \u7528\u4e0d\u4e0a\u7d22\u5f15\uff0c\u4f46\u4ecd\u53ef\u4ee5\u4e3a <code class=\"prettyprint\" >videoLabel<\/code> \u5efa\u4e00\u4e2a\u666e\u901a\u7d22\u5f15\u5907\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ALTER TABLE playerlist ADD INDEX idx_videoLabel (videoLabel);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-7\">\u5b9e\u8df5\u65b9\u6848<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>60 \u4e07\u6570\u636e\u5728\u77ed\u89c6\u9891\u7cfb\u7edf\u5f53\u4e2d,\u5df2\u7ecf\u7b97\u662f\u975e\u5e38\u4fdd\u5b88\u7684\u91cf\u7ea7.\u4e0d\u662f\u5c0f\u6570\u636e\u91cf\uff0c<code class=\"prettyprint\" >LIKE &#039;%\u5173\u952e\u8bcd%&#039;<\/code> \u67e5\u8be2\u5728\u8fd9\u7c7b\u573a\u666f\u4e0b\u6027\u80fd\u582a\u5fe7\u3002\u6839\u636e\u9879\u76ee\u9636\u6bb5\u4e0e\u7ed3\u6784\uff0c\u76ee\u524d\u662f\u5728\u5efa\u8868\u4f18\u5316\u671f,\u5f53\u524d\u6211\u51c6\u5907\u4f7f\u7528\u591a\u5bf9\u591a,\u53ef\u6269\u5c55\u7684\u8bbe\u8ba1\u7ed3\u6784,\u4e5f\u5c31\u662f\u4e0a\u9762\u6211\u8bf4\u7684\u7b2c\u4e8c\u4e2a\u65b9\u6848.\u67e5\u8be2\u65f6\u4ece<code class=\"prettyprint\" >tags<\/code>\u8868\u627e\u5230\u76ee\u6807\u6807\u7b7eID,\u62ffID\u53bb<code class=\"prettyprint\" >playerlist_tags<\/code>\u8868\u627e\u5230\u6807\u7b7e\u7ed1\u5b9a\u7684\u6240\u6709\u76f8\u5173\u89c6\u9891ID,\u7136\u540e\u53bbplayerlist\u62ff\u51fa\u76ee\u6807videoID\u5e76\u5c55\u793a.(\u76f4\u63a5\u907f\u514d\u4e86\u6a21\u7cca\u641c\u7d22,\u5e76\u4e14\u6700\u5927\u7a0b\u5ea6\u4f9d\u8d56\u8868\u7684\u7d22\u5f15\u673a\u5236\u52a0\u5feb\u4e86\u67e5\u8be2)<\/li>\n\n\n\n<li>\u7531\u4e8e\u77ed\u89c6\u9891\u7cfb\u7edf\u5c5e\u4e8e\u9ad8\u5e76\u53d1\u9ad8\u67e5\u8be2\u573a\u666f,\u5e94\u8be5\u5c06\u6bcf\u6b21\u67e5\u8be2\u7ed3\u679c\u5b58\u5165Redis \u4e2d,\u5f53\u4e0b\u6b21\u67e5\u8be2\u5df2\u7ecf\u7f13\u5b58\u8fc7\u7684\u6570\u636e\u5219\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u53d6\u51fa\u6570\u636e\u8fd4\u56de\u7ed9\u7528\u6237<\/li>\n\n\n\n<li>\u9650\u5236\u6e38\u5ba2\u7981\u6b62\u641c\u7d22,\u5df2\u767b\u5f55\u7528\u6237\u9650\u5236\u4f7f\u7528\u641c\u7d22\u529f\u80fd\u7684\u5468\u671f\u9891\u7387,\u751a\u81f3\u9650\u5236\u4f4e\u7b49\u7ea7\u7528\u6237\u7981\u6b62\u641c\u7d22\u529f\u80fd.<\/li>\n\n\n\n<li>\u5de7\u7528CDN\u7f13\u5b58\u529f\u80fd,\u5206\u5e93\u5206\u8868\u67e5\u8be2<\/li>\n\n\n\n<li><\/li>\n<\/ol>\n\n\n\n<p>\u5408\u7406\u8bbe\u8ba1\u7ed3\u6784\u548c\u67e5\u8be2\uff0c\u662f\u7cfb\u7edf\u9ad8\u6027\u80fd\u7684\u57fa\u7840\u3002\u5e0c\u671b\u8fd9\u7bc7\u5b9e\u6218\u8bb0\u5f55\u80fd\u5e2e\u5230\u4f60\uff0c\u4e5f\u6b22\u8fce\u6536\u85cf\u4e0e\u5206\u4eab\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5229\u7528H5\u539f\u751f\u6846\u67b6\u5199\u4e86\u4e00\u6b3e\u7c7b\u4f3c\u4e8e\u6296\u97f3\u7684\u7f51\u9875\u7248\u77ed\u89c6\u9891\u7cfb\u7edf, \u8fd9\u662f\u4e00\u6b3e\u57fa\u4e8e MySQL\u6570\u636e\u5e93\u7684\u89c6\u9891\u8d44\u6e90\u5206\u4eab\u5e73\u53f0\u4e2d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":332,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"class_list":["post-344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coder"],"_links":{"self":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=344"}],"version-history":[{"count":0,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/344\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/media\/332"}],"wp:attachment":[{"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=344"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}