{"id":1192,"date":"2024-04-25T05:43:22","date_gmt":"2024-04-25T05:43:22","guid":{"rendered":"https:\/\/www.nicekj.com\/?p=1192"},"modified":"2024-04-25T05:43:22","modified_gmt":"2024-04-25T05:43:22","slug":"jinggptjingnengzhengquehuidazhegewenti","status":"publish","type":"post","link":"https:\/\/www.nicekj.com\/jinggptjingnengzhengquehuidazhegewenti.html","title":{"rendered":"\u60ca! GPT \u7adf\u80fd\u6b63\u786e\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898!"},"content":{"rendered":"<p>\u901a\u8fc7 JavaScript \u548c OpenAI Embeddings API, \u8ba9 GPT \u6b63\u786e\u56de\u7b54 TA \u539f\u672c\u56de\u7b54\u4e0d\u4e86\u7684\u95ee\u9898.<\/p>\n<h2 data-id=\"heading-0\">\u80cc\u666f<\/h2>\n<h3 data-id=\"heading-1\">\u6709\u5c40\u9650\u7684\u8bad\u7ec3\u6570\u636e<\/h3>\n<p>\u4f17\u6240\u5468\u77e5, GPT \u7684\u6a21\u578b\u662f\u57fa\u4e8e\u4e00\u5b9a\u7684\u65f6\u95f4\u5468\u671f\u5185\u7684\u6d77\u91cf\u6570\u636e\u8bad\u7ec3\u51fa\u6765\u7684, \u4f8b\u5982 <code>gpt-3.5-turbo<\/code> \u7684\u8bad\u7ec3\u6570\u636e\u622a\u81f32021\u5e749\u6708, \u56e0\u6b64\u5bf9\u4e8e\u8be5\u65f6\u95f4\u4e4b\u540e\u53d1\u751f\u7684\u4e8b\u60c5\u548c\u8bad\u7ec3\u6570\u636e\u4e2d\u672a\u6d89\u53ca\u7684\u9886\u57df, \u6a21\u578b\u662f\u65e0\u6cd5\u6b63\u786e\u56de\u7b54\u7684.<\/p>\n<ul>\n<li>\n<p>\u4f8b\u5982: \u8bad\u7ec3\u6570\u636e\u4e4b\u540e\u53d1\u751f\u7684\u4e8b\u60c5<\/p>\n<p>\u4f60\u95ee <code>gpt-3.5-turbo<\/code> &#8220;2022\u5e74\u51ac\u5965\u4f1a\u5355\u677f\u6ed1\u96ea\u7684\u51a0\u519b\u662f\u8c01?&#8221;<\/p>\n<p>TA \u4f1a\u56de\u7b54\u4f60&#8221;\u5f88\u62b1\u6b49\uff0c\u6211\u65e0\u6cd5\u9884\u6d4b\u672a\u6765\u7684\u7ed3\u679c\u3002\u60a8\u53ef\u4ee5\u5173\u6ce8\u6bd4\u8d5b\u7684\u8fdb\u5c55\u548c\u7ed3\u679c\u3002&#8221;<\/p>\n<\/li>\n<li>\n<p>\u4f8b\u5982: \u8bad\u7ec3\u6570\u636e\u4e2d\u672a\u6d89\u53ca\u7684\u9886\u57df<\/p>\n<p>\u4f60\u95ee <code>gpt-3.5-turbo<\/code> &#8220;\u4f60\u77e5\u9053\u5929\u9e45\u5230\u5bb6\u5417?&#8221;<\/p>\n<p>TA \u4f1a\u56de\u7b54\u4f60&#8221;\u62b1\u6b49\uff0c\u6211\u4e0d\u592a\u660e\u767d\u4f60\u7684\u95ee\u9898\u3002\u4f60\u80fd\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u6216\u4fe1\u606f\u5417\uff1f&#8221;<\/p>\n<\/li>\n<\/ul>\n<h3 data-id=\"heading-2\">JavaScript \u76f8\u5173\u5b9e\u73b0\u8f83\u5c11<\/h3>\n<p>\u5173\u4e8e\u5982\u4f55\u8ba9 GPT \u6b63\u786e\u56de\u7b54\u8fd9\u4e9b\u95ee\u9898, \u76ee\u524d Python \u76f8\u5173\u7684\u5b9e\u73b0\u8fd8\u662f\u6bd4\u8f83\u591a\u7684, \u4f46 JavaScript \u76f8\u5173\u7531\u6d45\u5165\u6df1\u7684\u5b9e\u73b0\u8fd8\u662f\u6bd4\u8f83\u5c11\u7684, \u56e0\u6b64\u63a5\u4e0b\u6765\u57fa\u4e8e\u524d\u7aef\u7684\u6280\u672f\u6808\u8ba9 GPT \u6b63\u786e\u56de\u7b54\u8fd9\u4e9b\u95ee\u9898.<\/p>\n<h2 data-id=\"heading-3\">\u76ee\u6807<\/h2>\n<p>\u8ba9 GPT \u80fd\u591f\u6b63\u786e\u56de\u7b54&#8221;\u4f60\u77e5\u9053\u5929\u9e45\u5230\u5bb6\u5417?&#8221;<\/p>\n<h2 data-id=\"heading-4\">\u539f\u7406<\/h2>\n<p>GPT \u4e4b\u6240\u4ee5\u80fd\u591f\u56de\u7b54\u4f60\u63d0\u51fa\u7684\u95ee\u9898, \u5173\u952e\u5728\u4e8e<\/p>\n<ul>\n<li>\u8981\u4e48 GPT \u5b66\u8fc7\u76f8\u5173\u4fe1\u606f(\u6d77\u91cf\u8bad\u7ec3\u6570\u636e), \u6240\u4ee5 GPT \u80fd\u591f\u56de\u7b54\u51fa\u6765<\/li>\n<li>\u8981\u4e48\u4f60\u544a\u8bc9 GPT \u76f8\u5173\u4fe1\u606f, \u6240\u4ee5 GPT \u80fd\u591f\u56de\u7b54\u51fa\u6765<\/li>\n<\/ul>\n<p>\u5c31\u6b64\u5bf9\u5e94\u8ba9 GPT \u5b66\u4e60\u65b0\u77e5\u8bc6\u7684\u4e24\u79cd\u65b9\u5f0f<\/p>\n<ul>\n<li>\n<p>\u6a21\u578b\u6743\u91cd<\/p>\n<p>\u4f8b\u5982\u901a\u8fc7\u8bad\u7ec3\u79c1\u6709\u5316\u6570\u636e fine-tune \u51fa\u4e00\u4e2a\u4e13\u6709\u6a21\u578b<\/p>\n<p>\u597d\u6bd4<strong>\u957f\u671f\u8bb0\u5fc6<\/strong>, \u4f60 fine-tune \u6a21\u578b, \u5c31\u50cf\u4e3a\u4e86\u4e00\u5468\u540e\u7684\u8003\u8bd5\u800c\u5b66\u4e60\u4e00\u6837. \u5f53\u8003\u8bd5\u65f6, \u6a21\u578b\u53ef\u80fd\u4f1a\u5fd8\u4e86\u7ec6\u8282\u6216\u8005\u8bb0\u9519<\/p>\n<\/li>\n<li>\n<p>\u6a21\u578b\u8f93\u5165<\/p>\n<p>\u4f8b\u5982\u5c06\u77e5\u8bc6\u4fe1\u606f\u4f5c\u4e3a\u4e0a\u4e0b\u6587\u8f93\u5165\u7ed9\u6a21\u578b<\/p>\n<p>\u5c31\u50cf<strong>\u77ed\u671f\u8bb0\u5fc6<\/strong>, \u5f53\u8003\u8bd5\u65f6, \u6a21\u578b\u5c31\u50cf\u62ff\u7740\u5c0f\u6284\u53bb\u53c2\u52a0\u8003\u8bd5\uff0c\u66f4\u6709\u53ef\u80fd\u5f97\u51fa\u6b63\u786e\u7b54\u6848<\/p>\n<\/li>\n<\/ul>\n<p>\u6211\u4eec\u7684\u573a\u666f\u662f\u8981\u8ba9 GPT \u57fa\u4e8e\u4e8b\u5b9e\u4f9d\u636e\u6765\u56de\u7b54\u95ee\u9898, \u76f8\u6bd4\u4e4b\u4e0b, \u901a\u8fc7\u6a21\u578b\u8f93\u5165\u6765\u8ba9 GPT \u5b66\u4e60\u65b0\u77e5\u8bc6\u7684\u65b9\u5f0f\u66f4\u9002\u5408.<\/p>\n<h3 data-id=\"heading-5\">\u6a21\u578b\u8f93\u5165\u793a\u4f8b<\/h3>\n<p>\u4f7f\u7528\u6a21\u578b\u8f93\u5165\u7684\u65b9\u5f0f\u8ba9 GPT \u6b63\u786e\u56de\u7b54&#8221;\u4f60\u77e5\u9053\u5929\u9e45\u5230\u5bb6\u5417?&#8221;<\/p>\n<p>\u5373\u901a\u8fc7\u63d0\u793a\u5de5\u7a0b, \u5c06\u5929\u9e45\u5230\u5bb6\u7684\u76f8\u5173\u4fe1\u606f\u4f5c\u4e3a\u4e0a\u4e0b\u6587\u544a\u8bc9\u6a21\u578b, \u6a21\u578b\u5c31\u80fd\u591f\u6b63\u786e\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u4e86.<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u770b\u4ee3\u7801\u5982\u4f55\u5b9e\u73b0<\/p>\n<pre><\/div><div class=\"code-block-extension-headerRight\"><span class=\"code-block-extension-lang\">javascript<\/span><div class=\"code-block-extension-copyCodeBtn\">\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div><code class=\"hljs language-javascript code-block-extension-codeShowNum\" lang=\"javascript\"><span class=\"code-block-extension-codeLine\" data-line-num=\"1\"><span class=\"hljs-keyword\">const<\/span> {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"2\">    <span class=\"hljs-title class_\">Configuration<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"3\">    <span class=\"hljs-title class_\">OpenAIApi<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"4\">} = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">\"openai\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"5\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"6\"><span class=\"hljs-keyword\">const<\/span> configuration = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Configuration<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"7\">    <span class=\"hljs-comment\">\/\/ \u66ff\u6362\u6210\u4f60\u7684 KEY<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"8\">    <span class=\"hljs-attr\">apiKey<\/span>: <span class=\"hljs-string\">\"{OPENAI_API_KEY}\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"9\">});<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"10\"><span class=\"hljs-keyword\">const<\/span> openai = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">OpenAIApi<\/span>(configuration);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"11\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"12\">(<span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\"><\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"13\">    <span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">createChatCompletion<\/span>(<span class=\"hljs-params\"><\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"14\">        <span class=\"hljs-keyword\">const<\/span> prompt = <span class=\"hljs-string\">`<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"15\">\u8bf7\u6839\u636e\u5982\u4e0b\u4fe1\u606f\u56de\u7b54\u95ee\u9898, \u5982\u679c\u65e0\u6cd5\u4ece\u4e2d\u627e\u5230\u7b54\u6848, \u8bf7\u56de\u7b54\"\u4e0d\u77e5\u9053\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"16\">\"\"\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"17\">\u5929\u9e45\u5230\u5bb6\u4e8e2014\u5e74\u6210\u7acb\uff0c\u96b6\u5c5e\u4e8e\u5230\u5bb6\u96c6\u56e2\uff0c\u4e8e2020\u5e749\u6708\u7531\u201c58\u5230\u5bb6\u201d\u6b63\u5f0f\u66f4\u540d\u4e3a\u201c\u5929\u9e45\u5230\u5bb6\u201d\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"18\">\u4f5c\u4e3a\u4e92\u8054\u7f51\u5bb6\u5ead\u670d\u52a1\u5e73\u53f0\uff0c\u5929\u9e45\u5230\u5bb6\u81f4\u529b\u4e8e\u63a8\u8fdb\u5bb6\u5ead\u670d\u52a1\u7684\u4ea7\u4e1a\u6807\u51c6\u5316\u3001\u6570\u5b57\u5316\u3001\u804c\u4e1a\u5316\u8fdb\u7a0b\uff0c\u901a\u8fc7\u8d4b\u80fd\u5bb6\u653f\u52b3\u52a8\u8005\uff0c\u4e3a\u4e2d\u56fd\u5bb6\u5ead\u63d0\u4f9b\u5305\u62ec\u4fdd\u6d01\u3001\u505a\u996d\u5c0f\u65f6\u5de5\u7b49\u5373\u65f6\u4ea4\u6613\u670d\u52a1\u4ee5\u53ca\u4fdd\u59c6\u3001\u6708\u5ac2\u7684\u52b3\u52a8\u8005\u62db\u8058\u670d\u52a1\uff0c\u5b9e\u73b0\u201c\u5e2e\u52a9\u5343\u4e07\u4eba\u5c31\u4e1a \u4e3a\u4ebf\u4e07\u5bb6\u5ead\u670d\u52a1\u201d\uff0c\u6210\u4e3a\u4e00\u4e2a\u7f8e\u597d\u516c\u53f8\u3001\u7f8e\u597d\u5e73\u53f0\uff0c\u8ba9\u5bb6\u66f4\u7f8e\u597d\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"19\">\u622a\u81f32022\u5e746\u670830\u65e5\uff0c\u5929\u9e45\u5230\u5bb6\u5e73\u53f0\u7d2f\u8ba1\u62e5\u6709\u8d85\u8fc71800\u4e07\u6ce8\u518c\u7528\u6237\uff0c\u670d\u52a1\u8d85\u8fc7480\u4e07\u7528\u6237\uff0c\u6709\u8d85\u8fc7200\u4e07\u6ce8\u518c\u548c\u8ba4\u8bc1\u52b3\u52a8\u8005\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"20\">\"\"\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"21\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"22\">\u95ee\u9898: \u4f60\u77e5\u9053\u5929\u9e45\u5230\u5bb6\u5417?<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"23\">\u56de\u7b54:<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"24\">`;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"25\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"26\">        <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> openai.<span class=\"hljs-title function_\">createChatCompletion<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"27\">            <span class=\"hljs-attr\">model<\/span>: <span class=\"hljs-string\">\"gpt-3.5-turbo\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"28\">            <span class=\"hljs-attr\">messages<\/span>: [<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"29\">                {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"30\">                    <span class=\"hljs-attr\">role<\/span>: <span class=\"hljs-string\">\"system\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"31\">                    <span class=\"hljs-attr\">content<\/span>: <span class=\"hljs-string\">\"You are a helpful assistant.\"<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"32\">                },<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"33\">                {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"34\">                    <span class=\"hljs-attr\">role<\/span>: <span class=\"hljs-string\">\"user\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"35\">                    <span class=\"hljs-attr\">content<\/span>: prompt<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"36\">                },<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"37\">            ],<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"38\">            <span class=\"hljs-attr\">temperature<\/span>: <span class=\"hljs-number\">0<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"39\">        });<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"40\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"41\">        <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(response.<span class=\"hljs-property\">data<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"42\">        <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(response.<span class=\"hljs-property\">data<\/span>.<span class=\"hljs-property\">choices<\/span>[<span class=\"hljs-number\">0<\/span>].<span class=\"hljs-property\">message<\/span>.<span class=\"hljs-property\">content<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"43\">    }<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"44\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">createChatCompletion<\/span>();<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"45\">})();<\/span>\n<\/code><\/pre>\n<p>\u6267\u884c\u7ed3\u679c<\/p>\n<pre><\/div><div class=\"code-block-extension-headerRight\"><span class=\"code-block-extension-lang\"><\/span><div class=\"code-block-extension-copyCodeBtn\">\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div><code class=\"hljs code-block-extension-codeShowNum\"><span class=\"code-block-extension-codeLine\" data-line-num=\"1\">\u662f\u7684\uff0c\u5929\u9e45\u5230\u5bb6\u662f\u4e00\u5bb6\u4e92\u8054\u7f51\u5bb6\u5ead\u670d\u52a1\u5e73\u53f0\uff0c\u96b6\u5c5e\u4e8e\u5230\u5bb6\u96c6\u56e2\uff0c\u6210\u7acb\u4e8e2014\u5e74\uff0c\u4e8e2020\u5e749\u6708\u66f4\u540d\u4e3a\u201c\u5929\u9e45\u5230\u5bb6\u201d\u3002<\/span>\n<\/code><\/pre>\n<p>\u7531\u6b64\u53ef\u89c1\u901a\u8fc7\u63d0\u4f9b\u4e0a\u4e0b\u6587\u4fe1\u606f, GPT \u6b63\u786e\u7684\u56de\u7b54\u4e86 TA \u539f\u672c\u56de\u7b54\u4e0d\u4e86\u7684\u95ee\u9898.<\/p>\n<h3 data-id=\"heading-6\">\u8bed\u4e49\u641c\u7d22<\/h3>\n<p>\u8ba9 GPT \u5b66\u4e60\u65b0\u77e5\u9053\u7684\u539f\u7406, \u6211\u4eec\u7b97\u662f\u77e5\u9053\u4e86, \u4f46\u793a\u4f8b\u4e2d\u6211\u4eec\u662f\u4eba\u4e3a\u63d0\u4f9b\u4e86\u95ee\u9898\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u7ed9 GPT.<\/p>\n<p>\u90a3\u4e48\u5982\u4f55\u57fa\u4e8e\u95ee\u9898\u52a8\u6001\u7684\u7ed9 GPT \u63d0\u4f9b\u4e0a\u4e0b\u6587\u4fe1\u606f\u5462?<\/p>\n<p>\u8fd9\u9700\u8981\u7528\u5230\u8bed\u4e49\u641c\u7d22, \u627e\u5230\u4e0e\u95ee\u9898\u76f8\u5173\u7684\u4fe1\u606f<\/p>\n<blockquote>\n<p>Semantic search is a search technique that uses natural language processing to understand the meaning of the query and returns results that are semantically related to the query<\/p>\n<\/blockquote>\n<p>\u90a3\u4e48\u5982\u4f55\u5224\u65ad\u95ee\u9898\u4e0e\u5176\u4ed6\u4fe1\u606f\u7684\u76f8\u5173\u6027\u5462?<\/p>\n<blockquote>\n<p>OpenAI embedding is an API that will convert text into a numerical vector representation that can be used for semantic search.<\/p>\n<\/blockquote>\n<p>\u901a\u8fc7 OpenAI Embeddings API \u53ef\u4ee5\u5c06\u6587\u5b57\u8f6c\u6210\u77e2\u91cf\u6570\u5b57, \u77e2\u91cf\u4e4b\u95f4\u7684\u8ddd\u79bb\u5c31\u4ee3\u8868\u7740\u4ed6\u4eec\u4e4b\u95f4\u7684\u76f8\u5173\u6027.<\/p>\n<blockquote>\n<p>An embedding is a vector (list) of floating point numbers. The distance between two vectors measures their relatedness. Small distances suggest high relatedness and large distances suggest low relatedness.<\/p>\n<\/blockquote>\n<p>\u90a3\u4e48\u6211\u4eec\u5148\u5c06\u4fe1\u606f\u901a\u8fc7 Embeddings API \u8f6c\u6210\u77e2\u91cf(a1, a2&#8230;)\u5f62\u6210\u77e5\u8bc6\u5e93, \u518d\u5c06\u95ee\u9898\u4e5f\u901a\u8fc7 Embeddings API \u8f6c\u6210\u77e2\u91cf(q), \u7136\u540e\u9010\u4e2a\u8ba1\u7b97\u95ee\u9898\u7684\u77e2\u91cf(q)\u4e0e\u6240\u6709\u4fe1\u606f\u7684\u77e2\u91cf(a1, a2&#8230;)\u7684\u76f8\u4f3c\u5ea6, \u6700\u7ec8\u627e\u51fa\u4e0e\u95ee\u9898\u76f8\u4f3c\u5ea6\u6700\u9ad8\u7684\u4fe1\u606f, \u5373\u6211\u4eec\u8981\u63d0\u4f9b\u7ed9 GPT \u7684\u4e0a\u4e0b\u6587\u4fe1\u606f.<\/p>\n<p>\u5173\u4e8e\u77e2\u91cf\u76f8\u4f3c\u5ea6\u7684\u8ba1\u7b97, \u53ef\u4ee5\u4f7f\u7528\u4f59\u5f26\u76f8\u4f3c\u5ea6(<a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FCosine_similarity\" target=\"_blank\" title=\"https:\/\/en.wikipedia.org\/wiki\/Cosine_similarity\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">cosine similarity<\/a>)\u7b97\u6cd5.<\/p>\n<p>\u4e0a\u8ff0\u6d41\u7a0b\u53ef\u4ee5\u7406\u89e3\u4e3a<\/p>\n<pre><\/div><div class=\"code-block-extension-headerRight\"><span class=\"code-block-extension-lang\">scss<\/span><div class=\"code-block-extension-copyCodeBtn\">\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div><code class=\"hljs language-scss code-block-extension-codeShowNum\" lang=\"scss\"><span class=\"code-block-extension-codeLine\" data-line-num=\"1\">               \u4fe1\u606f(\u6587\u5b57)<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"2\">                  |          ---------------<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"3\">                  \u2193          \u2502 \u4fe1\u606f(vector) |<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"4\">            Embeddings API --\u2502              | --\u8ba1\u7b97\u76f8\u5173\u6027--&gt; \u76f8\u5173\u6027\u6700\u9ad8\u7684\u4fe1\u606f(\u6587\u5b57)<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"5\">                  \u2191          \u2502 \u95ee\u9898(vector) |                       |<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"6\">                  |          ---------------                        |<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"7\">\u95ee\u9898(\u6587\u5b57) --------                                                  \u2193<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"8\">                                                              \u6a21\u578b\u8f93\u5165(\u63d0\u793a\u5de5\u7a0b\u91cd\u7ec4\u95ee\u9898\u9644\u5e26\u4e0a\u4e0b\u6587)<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"9\">                                                                    |<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"10\">                                                              Completion API<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"11\">                                                                    |<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"12\">                                                                    \u2193<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"13\">                                                                 \u56de\u7b54(\u6587\u5b57)<\/span>\n<\/code><\/pre>\n<h2 data-id=\"heading-7\">\u5b9e\u73b0<\/h2>\n<p>\u5173\u952e\u6b65\u9aa4<\/p>\n<ol>\n<li>\u521b\u5efa\u77e2\u91cf(\u5efa\u7acb\u77e5\u8bc6\u5e93)<\/li>\n<li>\u8bed\u4e49\u641c\u7d22(\u5339\u914d\u76f8\u4f3c\u5ea6)<\/li>\n<li>\u6a21\u578b\u8f93\u5165(\u8865\u5145\u4e0a\u4e0b\u6587)<\/li>\n<li>\u6a21\u578b\u8f93\u51fa(\u4e0a\u4e0b\u6587\u4f5c\u7b54)<\/li>\n<\/ol>\n<pre><\/div><div class=\"code-block-extension-headerRight\"><span class=\"code-block-extension-lang\">javascript<\/span><div class=\"code-block-extension-copyCodeBtn\">\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div><code class=\"hljs language-javascript code-block-extension-codeShowNum\" lang=\"javascript\"><span class=\"code-block-extension-codeLine\" data-line-num=\"1\"><span class=\"hljs-keyword\">const<\/span> {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"2\">    <span class=\"hljs-title class_\">Configuration<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"3\">    <span class=\"hljs-title class_\">OpenAIApi<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"4\">} = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">\"openai\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"5\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"6\"><span class=\"hljs-keyword\">const<\/span> configuration = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Configuration<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"7\">    <span class=\"hljs-attr\">apiKey<\/span>: <span class=\"hljs-string\">\"{OPENAI_API_KEY}\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"8\">});<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"9\"><span class=\"hljs-keyword\">const<\/span> openai = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">OpenAIApi<\/span>(configuration);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"10\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"11\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">createEmbedding<\/span>(<span class=\"hljs-params\">input<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"12\">    <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> openai.<span class=\"hljs-title function_\">createEmbedding<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"13\">        <span class=\"hljs-attr\">model<\/span>: <span class=\"hljs-string\">\"text-embedding-ada-002\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"14\">        input,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"15\">    });<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"16\">    <span class=\"hljs-keyword\">return<\/span> response.<span class=\"hljs-property\">data<\/span>.<span class=\"hljs-property\">data<\/span>[<span class=\"hljs-number\">0<\/span>].<span class=\"hljs-property\">embedding<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"17\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"18\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"19\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">createChatCompletion<\/span>(<span class=\"hljs-params\">prompt<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"20\">    <span class=\"hljs-keyword\">const<\/span> response = <span class=\"hljs-keyword\">await<\/span> openai.<span class=\"hljs-title function_\">createChatCompletion<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"21\">        <span class=\"hljs-attr\">model<\/span>: <span class=\"hljs-string\">\"gpt-3.5-turbo\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"22\">        <span class=\"hljs-attr\">messages<\/span>: [<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"23\">            {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"24\">                <span class=\"hljs-attr\">role<\/span>: <span class=\"hljs-string\">\"system\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"25\">                <span class=\"hljs-attr\">content<\/span>: <span class=\"hljs-string\">\"You are a helpful assistant.\"<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"26\">            },<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"27\">            {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"28\">                <span class=\"hljs-attr\">role<\/span>: <span class=\"hljs-string\">\"user\"<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"29\">                <span class=\"hljs-attr\">content<\/span>: prompt<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"30\">            },<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"31\">        ],<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"32\">        <span class=\"hljs-attr\">temperature<\/span>: <span class=\"hljs-number\">0<\/span>,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"33\">    });<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"34\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"35\">    <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(prompt);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"36\">    <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(<span class=\"hljs-string\">\"------------------\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"37\">    <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(response.<span class=\"hljs-property\">data<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"38\">    <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(response.<span class=\"hljs-property\">data<\/span>.<span class=\"hljs-property\">choices<\/span>[<span class=\"hljs-number\">0<\/span>].<span class=\"hljs-property\">message<\/span>.<span class=\"hljs-property\">content<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"39\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"40\">    <span class=\"hljs-keyword\">return<\/span> response.<span class=\"hljs-property\">data<\/span>.<span class=\"hljs-property\">choices<\/span>[<span class=\"hljs-number\">0<\/span>].<span class=\"hljs-property\">message<\/span>.<span class=\"hljs-property\">content<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"41\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"42\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"43\"><span class=\"hljs-keyword\">const<\/span> knowledgeBase = [];<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"44\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">insertIntoKnowledgeBase<\/span>(<span class=\"hljs-params\">text<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"45\">    <span class=\"hljs-keyword\">const<\/span> vector = <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">createEmbedding<\/span>(text);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"46\">    knowledgeBase.<span class=\"hljs-title function_\">push<\/span>({<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"47\">        text,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"48\">        vector,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"49\">    });<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"50\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"51\"><span class=\"hljs-comment\">\/**<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"52\"> * \u521b\u5efa\u77e5\u8bc6\u5e93(\u8fd9\u4e2a\u8fc7\u7a0b\u4e00\u822c\u53ea\u9700\u8981\u4e00\u6b21, \u901a\u8fc7\u77e2\u91cf\u6570\u636e\u5e93\u6765\u5b58\u50a8, \u5185\u5bb9\u6709\u66f4\u65b0\u7684\u65f6\u5019\u624d\u9700\u8981\u518d\u505a)<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"53\"> *\/<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"54\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">createKnowledgeBase<\/span>(<span class=\"hljs-params\"><\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"55\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">insertIntoKnowledgeBase<\/span>(<span class=\"hljs-string\">`<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"56\">\u5929\u9e45\u5230\u5bb6\u4e8e2014\u5e74\u6210\u7acb\uff0c\u96b6\u5c5e\u4e8e\u5230\u5bb6\u96c6\u56e2\uff0c\u4e8e2020\u5e749\u6708\u7531\u201c58\u5230\u5bb6\u201d\u6b63\u5f0f\u66f4\u540d\u4e3a\u201c\u5929\u9e45\u5230\u5bb6\u201d\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"57\">\u4f5c\u4e3a\u4e92\u8054\u7f51\u5bb6\u5ead\u670d\u52a1\u5e73\u53f0\uff0c\u5929\u9e45\u5230\u5bb6\u81f4\u529b\u4e8e\u63a8\u8fdb\u5bb6\u5ead\u670d\u52a1\u7684\u4ea7\u4e1a\u6807\u51c6\u5316\u3001\u6570\u5b57\u5316\u3001\u804c\u4e1a\u5316\u8fdb\u7a0b\uff0c\u901a\u8fc7\u8d4b\u80fd\u5bb6\u653f\u52b3\u52a8\u8005\uff0c\u4e3a\u4e2d\u56fd\u5bb6\u5ead\u63d0\u4f9b\u5305\u62ec\u4fdd\u6d01\u3001\u505a\u996d\u5c0f\u65f6\u5de5\u7b49\u5373\u65f6\u4ea4\u6613\u670d\u52a1\u4ee5\u53ca\u4fdd\u59c6\u3001\u6708\u5ac2\u7684\u52b3\u52a8\u8005\u62db\u8058\u670d\u52a1\uff0c\u5b9e\u73b0\u201c\u5e2e\u52a9\u5343\u4e07\u4eba\u5c31\u4e1a \u4e3a\u4ebf\u4e07\u5bb6\u5ead\u670d\u52a1\u201d\uff0c\u6210\u4e3a\u4e00\u4e2a\u7f8e\u597d\u516c\u53f8\u3001\u7f8e\u597d\u5e73\u53f0\uff0c\u8ba9\u5bb6\u66f4\u7f8e\u597d\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"58\">\u622a\u81f32022\u5e746\u670830\u65e5\uff0c\u5929\u9e45\u5230\u5bb6\u5e73\u53f0\u7d2f\u8ba1\u62e5\u6709\u8d85\u8fc71800\u4e07\u6ce8\u518c\u7528\u6237\uff0c\u670d\u52a1\u8d85\u8fc7480\u4e07\u7528\u6237\uff0c\u6709\u8d85\u8fc7200\u4e07\u6ce8\u518c\u548c\u8ba4\u8bc1\u52b3\u52a8\u8005\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"59\">    `);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"60\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">insertIntoKnowledgeBase<\/span>(<span class=\"hljs-string\">`<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"61\">\u5feb\u72d7\u6253\u8f66\uff08GOGOX\uff09\u4f5c\u4e3a\u4e9a\u6d32\u9886\u5148\u7684\u540c\u57ce\u7269\u6d41\u5e73\u53f0\uff0c\u6210\u7acb\u4e8e2014\u5e74\uff0c\u5176\u524d\u8eab\u4e3a58\u901f\u8fd0\uff0c\u96b6\u5c5e\u4e8e\u5230\u5bb6\u96c6\u56e2\u3002\u65d7\u4e0b\u4ee5\u9999\u6e2f\u548c\u6d77\u5916\u5e02\u573a\u7684\u201cGOGOX\u201d\u548c\u4e2d\u56fd\u5927\u9646\u7684\u201c\u5feb\u72d7\u6253\u8f66\u201d\u4e24\u4e2a\u503c\u5f97\u4fe1\u8d56\u7684\u54c1\u724c\u670d\u52a1\u4e8e\u4e2a\u4eba\u3001\u4e2d\u5c0f\u4f01\u4e1a\u548c\u5927\u578b\u4f01\u4e1a\u3002\u5feb\u72d7\u6253\u8f66\u81f4\u529b\u4e8e\u4e3a\u7528\u6237\u968f\u65f6\u968f\u5730\u63d0\u4f9b\u62c9\u8d27\u3001\u642c\u5bb6\u3001\u8fd0\u4e1c\u897f\u7684\u540c\u57ce\u8d27\u8fd0\u670d\u52a1\uff0c\u4ee5\u5168\u6d41\u7a0b\u95ed\u73af\u7684\u7ebf\u4e0a\u4ea4\u6613\u5e73\u53f0\u548c\u6d77\u91cf\u793e\u4f1a\u5316\u8fd0\u529b\u4e3a\u57fa\u7840\uff0c\u81f4\u529b\u4e8e\u9ad8\u6548\u6ee1\u8db3\u5404\u7c7b\u7528\u6237\u7684\u4e0d\u540c\u7c7b\u578b\u540c\u57ce\u8d27\u8fd0\u9700\u6c42\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"62\">\u622a\u6b622021\u5e744\u670830\u65e5\uff0c\u5feb\u72d7\u6253\u8f66\u5df2\u5728\u4e9a\u6d32\u4e94\u4e2a\u56fd\u5bb6\u53ca\u5730\u533a\u7684340\u591a\u4e2a\u57ce\u5e02\u5f00\u5c55\u4e1a\u52a1\uff0c\u5e73\u53f0\u5df2\u6709\u7ea6450\u4e07\u540d\u6ce8\u518c\u53f8\u673a\uff0c\u6ce8\u518c\u7528\u6237\u7ea62480\u4e07\uff0c\u7d2f\u8ba1\u670d\u52a1\u4f01\u4e1a33000+\u5bb6\u3002\u51ed\u501f\u4e92\u8054\u7f51+\u5927\u6570\u636e\u8fd0\u8425\u7cfb\u7edf\uff0c\u4e3a\u8d27\u54c1\u51fa\u884c\u5e02\u573a\u63d0\u51fa\u667a\u80fd\u5316\u7684\u7269\u6d41\u89e3\u51b3\u65b9\u6848\uff0c\u901a\u8fc7\u667a\u80fd\u8fd0\u529b\u8c03\u914d\uff0c\u6574\u5408\u8d27\u8fd0\u4f9b\u9700\u4fe1\u606f\uff0c\u5feb\u901f\u5339\u914d\u8f66\u8f86\uff0c\u63a8\u52a8\u7740\u77ed\u9014\u8d27\u54c1\u8fd0\u9001\u53ca\u4ea4\u6613\u670d\u52a1\u7684\u6807\u51c6\u5316\u5347\u7ea7\u3002<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"63\">    `);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"64\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"65\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"66\"><span class=\"hljs-comment\">\/**<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"67\"> * \u8ba1\u7b97\u4f59\u5f26\u76f8\u4f3c\u5ea6<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"68\"> *\/<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"69\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">cosineSimilarity<\/span>(<span class=\"hljs-params\">a, b<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"70\">    <span class=\"hljs-keyword\">let<\/span> dotProduct = <span class=\"hljs-number\">0<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"71\">    <span class=\"hljs-keyword\">let<\/span> normA = <span class=\"hljs-number\">0<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"72\">    <span class=\"hljs-keyword\">let<\/span> normB = <span class=\"hljs-number\">0<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"73\">    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; a.<span class=\"hljs-property\">length<\/span>; i++) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"74\">      dotProduct += a[i] * b[i];<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"75\">      normA += a[i] * a[i];<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"76\">      normB += b[i] * b[i];<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"77\">    }<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"78\">    normA = <span class=\"hljs-title class_\">Math<\/span>.<span class=\"hljs-title function_\">sqrt<\/span>(normA);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"79\">    normB = <span class=\"hljs-title class_\">Math<\/span>.<span class=\"hljs-title function_\">sqrt<\/span>(normB);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"80\">    <span class=\"hljs-keyword\">return<\/span> dotProduct \/ (normA * normB);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"81\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"82\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"83\"><span class=\"hljs-comment\">\/**<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"84\"> * \u8bed\u4e49\u641c\u7d22(\u4ece\u77e5\u8bc6\u5e93\u4e2d\u627e\u5230\u4e0e\u95ee\u9898\u76f8\u5173\u6027\u6700\u9ad8\u7684\u5185\u5bb9)<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"85\"> *\/<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"86\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">semanticSearch<\/span>(<span class=\"hljs-params\">question<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"87\">    <span class=\"hljs-keyword\">const<\/span> questionVector = <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">createEmbedding<\/span>(question);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"88\">    <span class=\"hljs-keyword\">const<\/span> _knowledgeBase = knowledgeBase.<span class=\"hljs-title function_\">map<\/span>(<span class=\"hljs-function\">(<span class=\"hljs-params\">item<\/span>) =&gt;<\/span> {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"89\">        <span class=\"hljs-keyword\">return<\/span> {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"90\">            ...item,<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"91\">            <span class=\"hljs-comment\">\/\/ \u8ba1\u7b97\u76f8\u4f3c\u5ea6<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"92\">            <span class=\"hljs-attr\">relatedness<\/span>: <span class=\"hljs-title function_\">cosineSimilarity<\/span>(questionVector, item.<span class=\"hljs-property\">vector<\/span>),<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"93\">        };<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"94\">    }).<span class=\"hljs-title function_\">sort<\/span>(<span class=\"hljs-function\">(<span class=\"hljs-params\">a, b<\/span>) =&gt;<\/span> {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"95\">        <span class=\"hljs-keyword\">return<\/span> b.<span class=\"hljs-property\">relatedness<\/span> - a.<span class=\"hljs-property\">relatedness<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"96\">    });<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"97\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"98\">    <span class=\"hljs-keyword\">return<\/span> _knowledgeBase[<span class=\"hljs-number\">0<\/span>].<span class=\"hljs-property\">text<\/span>;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"99\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"100\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"101\"><span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">answer<\/span>(<span class=\"hljs-params\">question<\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"102\">    <span class=\"hljs-keyword\">const<\/span> context = <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">semanticSearch<\/span>(question);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"103\">    <span class=\"hljs-keyword\">const<\/span> output = <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">createChatCompletion<\/span>(<span class=\"hljs-string\">`<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"104\">\u8bf7\u6839\u636e\u5982\u4e0b\u4fe1\u606f\u56de\u7b54\u95ee\u9898, \u5982\u679c\u65e0\u6cd5\u4ece\u4e2d\u627e\u5230\u7b54\u6848, \u8bf7\u56de\u7b54\"\u4e0d\u77e5\u9053\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"105\">\"\"\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"106\"><span class=\"hljs-subst\">${context}<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"107\">\"\"\"<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"108\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"109\">\u95ee\u9898: <span class=\"hljs-subst\">${question}<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"110\">\u56de\u7b54:<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"111\">    `);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"112\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"113\">    <span class=\"hljs-keyword\">return<\/span> output;<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"114\">}<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"115\"><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"116\">(<span class=\"hljs-keyword\">async<\/span> <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\"><\/span>) {<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"117\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">createKnowledgeBase<\/span>();<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"118\">    <span class=\"hljs-comment\">\/\/ \u662f\u7684\uff0c\u5929\u9e45\u5230\u5bb6\u662f\u4e00\u5bb6\u4e92\u8054\u7f51\u5bb6\u5ead\u670d\u52a1\u5e73\u53f0\uff0c\u96b6\u5c5e\u4e8e\u5230\u5bb6\u96c6\u56e2\uff0c\u63d0\u4f9b\u4fdd\u6d01\u3001\u505a\u996d\u5c0f\u65f6\u5de5\u7b49\u5373\u65f6\u4ea4\u6613\u670d\u52a1\u4ee5\u53ca\u4fdd\u59c6\u3001\u6708\u5ac2\u7684\u52b3\u52a8\u8005\u62db\u8058\u670d\u52a1\u3002\u622a\u81f32022\u5e746\u670830\u65e5\uff0c\u5929\u9e45\u5230\u5bb6\u5e73\u53f0\u7d2f\u8ba1\u62e5\u6709\u8d85\u8fc71800\u4e07\u6ce8\u518c\u7528\u6237\uff0c\u670d\u52a1\u8d85\u8fc7480\u4e07\u7528\u6237\uff0c\u6709\u8d85\u8fc7200\u4e07\u6ce8\u518c\u548c\u8ba4\u8bc1\u52b3\u52a8\u8005\u3002<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"119\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">answer<\/span>(<span class=\"hljs-string\">\"\u4f60\u77e5\u9053\u5929\u9e45\u5230\u5bb6\u5417?\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"120\">    <span class=\"hljs-comment\">\/\/ \u5feb\u72d7\u6253\u8f66\u5e73\u53f0\u5df2\u6709\u7ea6450\u4e07\u540d\u6ce8\u518c\u53f8\u673a\u3002<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"121\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">answer<\/span>(<span class=\"hljs-string\">\"\u5feb\u72d7\u6709\u591a\u5c11\u53f8\u673a?\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"122\">    <span class=\"hljs-comment\">\/\/ \u4e0d\u77e5\u9053\u3002<\/span><\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"123\">    <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-title function_\">answer<\/span>(<span class=\"hljs-string\">\"\u5feb\u72d7\u6253\u8f66\u4e0a\u5e02\u4e86\u5417?\"<\/span>);<\/span>\n<span class=\"code-block-extension-codeLine\" data-line-num=\"124\">})();<\/span>\n<\/code><\/pre>\n<h2 data-id=\"heading-8\">\u66f4\u591a\u7ec6\u8282<\/h2>\n<p>\u539f\u7406\u548c\u5b9e\u73b0\u6211\u4eec\u90fd\u4e86\u89e3\u4e86, \u4f46\u5982\u679c\u771f\u6b63\u8981\u6295\u5165\u4f7f\u7528, \u8fd8\u6709\u5f88\u591a\u7ec6\u8282\u9700\u8981\u5904\u7406<\/p>\n<ul>\n<li>\n<p>Collect<\/p>\n<p>\u51c6\u5907\u9ad8\u8d28\u91cf\u7684\u77e5\u8bc6\u5e93<\/p>\n<\/li>\n<li>\n<p>Chunk<\/p>\n<p>\u77e5\u8bc6\u5e93\u53ef\u80fd\u6bd4\u8f83\u5927, \u9700\u8981\u62c6\u5206\u6210\u8f83\u5c0f\u7684\u72ec\u7acb\u5757, \u4ee5\u4fbf\u4e8e embedding, \u56e0\u4e3a embedding \u652f\u6301\u7684 token \u662f\u6709\u9650\u7684<\/p>\n<p>\u5982\u4f55\u5408\u7406\u62c6\u5206, \u9700\u8981\u5728\u5b9e\u9645\u4e1a\u52a1\u4e2d\u8003\u91cf<\/p>\n<\/li>\n<li>\n<p>Store<\/p>\n<p>\u77e2\u91cf\u6570\u636e\u5e94\u8be5\u5b58\u50a8\u5728\u77e2\u91cf\u6570\u636e\u5e93\u4e2d<\/p>\n<\/li>\n<li>\n<p>Search<\/p>\n<p>\u5339\u914d\u76f8\u4f3c\u5ea6\u4ee5\u540e, \u76f8\u4f3c\u5ea6\u7684\u9608\u503c\u5e94\u8be5\u662f\u591a\u5c11, TOP \u591a\u5c11\u7684\u7ed3\u679c\u5e94\u8be5\u505a\u4e3a\u4e0a\u4e0b\u6587\u4fe1\u606f<\/p>\n<p>\u8fd9\u4e9b\u4e5f\u9700\u8981\u5728\u5b9e\u9645\u4e1a\u52a1\u4e2d\u8003\u91cf<\/p>\n<\/li>\n<\/ul>\n<p>\u8981\u5904\u7406\u8fd9\u4e9b\u7ec6\u8282\u63a8\u8350\u4f7f\u7528 <a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fjs.langchain.com%2Fdocs%2F\" target=\"_blank\" title=\"https:\/\/js.langchain.com\/docs\/\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">LangChain<\/a>, \u56e0\u4e3a\u5176\u63d0\u4f9b\u4e86\u5f88\u591a\u901a\u7528\u7684\u7ec4\u4ef6, \u4f8b\u5982<\/p>\n<ul>\n<li>Document Loaders<\/li>\n<li>Text Splitters<\/li>\n<li>Vector Stores<\/li>\n<\/ul>\n<h2 data-id=\"heading-9\">\u53c2\u8003<\/h2>\n<ul>\n<li><a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fplatform.openai.com%2Fdocs%2Fguides%2Fembeddings\" target=\"_blank\" title=\"https:\/\/platform.openai.com\/docs\/guides\/embeddings\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">Embeddings &#8211; OpenAI API<\/a><\/li>\n<li><a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fgithub.com%2Fopenai%2Fopenai-cookbook%2Fblob%2Fmain%2Fexamples%2FQuestion_answering_using_embeddings.ipynb\" target=\"_blank\" title=\"https:\/\/github.com\/openai\/openai-cookbook\/blob\/main\/examples\/Question_answering_using_embeddings.ipynb\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">Question answering using embeddings-based search<\/a><\/li>\n<li><a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fblog.bitsrc.io%2Fcustomizing-an-openai-chatbot-with-embeddings-fdc9ec859bbb\" target=\"_blank\" title=\"https:\/\/blog.bitsrc.io\/customizing-an-openai-chatbot-with-embeddings-fdc9ec859bbb\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">Customizing an OpenAI Chatbot With Embeddings<\/a><\/li>\n<li><a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fdev.fandyaditya.com%2Fsemantic-search-using-openai-embedding-and-postgres-vector-db-in-nodejs\" target=\"_blank\" title=\"https:\/\/dev.fandyaditya.com\/semantic-search-using-openai-embedding-and-postgres-vector-db-in-nodejs\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">Semantic Search using OpenAI Embedding and Postgres Vector DB in NodeJS<\/a><\/li>\n<li><a href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fwww.webpro.nl%2Farticles%2Fusing-openai-with-javascript\" target=\"_blank\" title=\"https:\/\/www.webpro.nl\/articles\/using-openai-with-javascript\" ref=\"nofollow noopener noreferrer\" rel=\"noopener\">Using OpenAI with JavaScript<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u8fc7 JavaScript \u548c OpenAI Embeddings API, \u8ba9 GPT \u6b63\u786e\u56de\u7b54 TA \u539f\u672c\u56de\u7b54\u4e0d\u4e86\u7684\u95ee\u9898.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_title":"JavaScript & OpenAI\uff1a\u8ba9 GPT \u66f4\u61c2\u4f60\u7684\u95ee\u9898 - \u5948\u65af\u79d1\u6280\u793e\u533a","rank_math_description":"\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7 JavaScript \u548c OpenAI Embeddings API\uff0c\u8ba9 GPT \u56de\u7b54\u539f\u672c\u65e0\u6cd5\u56de\u7b54\u7684\u95ee\u9898\u3002\u5229\u7528\u8bed\u4e49\u641c\u7d22\u548c\u77e5\u8bc6\u5e93\uff0c\u62d3\u5c55 GPT \u7684\u77e5\u8bc6\u8303\u56f4\uff0c\u4f7f\u5176\u80fd\u591f\u66f4\u51c6\u786e\u5730\u56de\u7b54\u7528\u6237\u95ee\u9898\u3002","rank_math_focus_keyword":"OpenAI, GPT, JavaScript, \u8bed\u4e49\u641c\u7d22, Embeddings API","views":"24","footnotes":""},"categories":[3],"tags":[126,127,128,129,136],"collection":[],"class_list":["post-1192","post","type-post","status-publish","format-standard","hentry","category-fenlei2","tag-gpt","tag-ai","tag-128","tag-129","tag-136"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/1192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/comments?post=1192"}],"version-history":[{"count":0,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/1192\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/media?parent=1192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/categories?post=1192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/tags?post=1192"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/collection?post=1192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}