{"id":408,"date":"2026-10-27T02:14:36","date_gmt":"2026-10-27T02:14:36","guid":{"rendered":"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/27\/llamaindex-custom-api\/"},"modified":"2026-10-27T02:14:36","modified_gmt":"2026-10-27T02:14:36","slug":"llamaindex-custom-api","status":"publish","type":"post","link":"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/27\/llamaindex-custom-api\/","title":{"rendered":"LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\uff1aBase URL\u4e0e\u6a21\u578b\u63a5\u5165\u6559\u7a0b"},"content":{"rendered":"<p><em>\u4f5c\u8005\uff1anTokenX\uff5c\u53d1\u5e03\u65e5\u671f\uff1a2026-10-27\uff5c\u66f4\u65b0\u65e5\u671f\uff1a2026-10-27<\/em><\/p>\n<p>LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\uff0c\u6838\u5fc3\u4e0d\u662f\u4fee\u6539 LlamaIndex \u7684\u7d22\u5f15\u903b\u8f91\uff0c\u800c\u662f\u628a <strong>API Key\u3001Base URL\u3001\u6a21\u578b\u540d\u548c\u5d4c\u5165\u6a21\u578b<\/strong> \u914d\u7f6e\u5230\u6b63\u786e\u7684\u7ec4\u4ef6\u4e2d\u3002\u53ea\u8981\u670d\u52a1\u5546\u63d0\u4f9b\u517c\u5bb9 OpenAI \u63a5\u53e3\u89c4\u8303\u7684\u670d\u52a1\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7 <code>OpenAI<\/code> \u6216 <code>OpenAILike<\/code> \u63a5\u5165\uff1bLlamaIndex \u5b98\u65b9\u6587\u6863\u4e5f\u5c06 <code>api_base<\/code> \u5b9a\u4e49\u4e3a API \u8bf7\u6c42\u7684\u57fa\u7840\u5730\u5740\u3002(<a href=\"https:\/\/developers.llamaindex.ai\/python\/framework-api-reference\/llms\/openai\/\">developers.llamaindex.ai<\/a>)<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:1.5em 0;\"><img decoding=\"async\" src=\"https:\/\/ntokenx.com\/blog\/wp-content\/uploads\/2026\/10\/backend-8338-1.jpg\" alt=\"LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\u7684 Base URL \u4e0e\u6a21\u578b\u53c2\u6570\u793a\u610f\u56fe\" style=\"max-width:100%;height:auto;\"><\/figure>\n<h2>\u4ec0\u4e48\u662f LlamaIndex \u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546<\/h2>\n<p>LlamaIndex \u7684\u81ea\u5b9a\u4e49\u63a5\u53e3\u670d\u52a1\u5546\uff0c\u6307\u7684\u662f\u5c06\u9ed8\u8ba4\u6a21\u578b\u8bf7\u6c42\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u517c\u5bb9\u63a5\u53e3\uff0c\u800c\u4e0d\u662f\u56fa\u5b9a\u4f7f\u7528\u9ed8\u8ba4\u5730\u5740\u3002\u5b9e\u9645\u914d\u7f6e\u901a\u5e38\u5305\u542b\u56db\u4e2a\u53d8\u91cf\uff1a<\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;font-size:0.95em;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #e3e6ea;padding:8px 12px;background:#f6f8fa;text-align:left;font-weight:600;\">\u53c2\u6570<\/th>\n<th style=\"border:1px solid #e3e6ea;padding:8px 12px;background:#f6f8fa;text-align:left;font-weight:600;\">\u4f5c\u7528<\/th>\n<th style=\"border:1px solid #e3e6ea;padding:8px 12px;background:#f6f8fa;text-align:left;font-weight:600;\">\u5e38\u89c1\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\"><code>api_key<\/code><\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u8bf7\u6c42\u9274\u6743<\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u5bc6\u94a5\u4e3a\u7a7a\u3001\u590d\u5236\u4e86\u591a\u4f59\u7a7a\u683c<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\"><code>api_base<\/code> \u6216 <code>base_url<\/code><\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u6307\u5b9a\u63a5\u53e3\u6839\u5730\u5740<\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u591a\u5199 <code>\/chat\/completions<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\"><code>model<\/code><\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u6307\u5b9a\u670d\u52a1\u5546\u8bc6\u522b\u7684\u6a21\u578b\u540d\u79f0<\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u6a21\u578b\u540d\u4e0e\u63a7\u5236\u53f0\u4e0d\u4e00\u81f4<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\"><code>embed_model<\/code><\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u914d\u7f6e\u5411\u91cf\u5d4c\u5165\u6a21\u578b<\/td>\n<td style=\"border:1px solid #e3e6ea;padding:8px 12px;vertical-align:top;\">\u53ea\u6539\u804a\u5929\u6a21\u578b\uff0c\u5fd8\u8bb0\u6539\u5d4c\u5165\u6a21\u578b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u9700\u8981\u6ce8\u610f\uff0c<strong>\u804a\u5929\u6a21\u578b\u548c\u5d4c\u5165\u6a21\u578b\u662f\u4e24\u6761\u914d\u7f6e\u94fe\u8def<\/strong>\u3002RAG \u5e94\u7528\u5728\u5efa\u7acb\u7d22\u5f15\u65f6\u4f1a\u8c03\u7528\u5d4c\u5165\u6a21\u578b\uff0c\u5728\u67e5\u8be2\u751f\u6210\u7b54\u6848\u65f6\u4f1a\u8c03\u7528 LLM\u3002\u53ea\u4fee\u6539\u5176\u4e2d\u4e00\u9879\uff0c\u53ef\u80fd\u5bfc\u81f4\u201c\u804a\u5929\u6b63\u5e38\u3001\u5efa\u5e93\u5931\u8d25\u201d\u6216\u201c\u7d22\u5f15\u6210\u529f\u3001\u67e5\u8be2\u62a5\u9519\u201d\u3002<\/p>\n<p>\u5bf9\u4e8e\u591a\u6a21\u578b API \u805a\u5408\u5e73\u53f0\uff0c\u5efa\u8bae\u4f18\u5148\u9009\u62e9\u660e\u786e\u8bf4\u660e\u63a5\u53e3\u517c\u5bb9\u8303\u56f4\u3001\u6a21\u578b\u6620\u5c04\u65b9\u5f0f\u3001\u65e5\u5fd7\u4e0e\u914d\u989d\u7ba1\u7406\u89c4\u5219\u7684\u670d\u52a1\u3002nTokenX \u7684\u4e1a\u52a1\u5f62\u6001\u5305\u62ec\u7edf\u4e00 API \u8f6c\u53d1\u3001\u8ba1\u8d39\u4e0e\u76d1\u63a7\uff0c\u4e5f\u652f\u6301\u7528\u6237\u7ed1\u5b9a\u81ea\u5df1\u7684\u6a21\u578b\u5382\u5546 Key\uff1b\u5982\u679c\u4f7f\u7528\u7b2c\u4e09\u65b9\u6a21\u578b\u4e2d\u8f6c\uff0c\u5219\u5e94\u8fdb\u4e00\u6b65\u6838\u9a8c\u6388\u6743\u3001\u7a33\u5b9a\u6027\u548c\u6570\u636e\u5b89\u5168\u8fb9\u754c\u3002<\/p>\n<h2>Python \u4e2d\u6709\u54ea\u4e24\u79cd\u63a5\u5165\u65b9\u5f0f<\/h2>\n<h3>\u65b9\u5f0f\u4e00\uff1a\u4f7f\u7528 <code>OpenAI<\/code> \u914d\u7f6e\u81ea\u5b9a\u4e49 <code>api_base<\/code><\/h3>\n<p>\u5f53\u670d\u52a1\u5546\u5b8c\u6574\u517c\u5bb9 OpenAI \u8bf7\u6c42\u683c\u5f0f\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 <code>llama-index-llms-openai<\/code>\u3002LlamaIndex \u5b98\u65b9 API \u53c2\u8003\u4e2d\u63d0\u4f9b\u4e86 <code>api_key<\/code>\u3001<code>api_base<\/code>\u3001<code>timeout<\/code> \u548c <code>max_retries<\/code> \u7b49\u53c2\u6570\u3002(<a href=\"https:\/\/developers.llamaindex.ai\/python\/framework-api-reference\/llms\/openai\/\">developers.llamaindex.ai<\/a>)<\/p>\n<p>\u5148\u5b89\u88c5\u4f9d\u8d56\uff1a<\/p>\n<pre><code class=\"language-bash\">pip install llama-index llama-index-llms-openai\n<\/code><\/pre>\n<p>\u7136\u540e\u5728 Python \u4e2d\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-python\">from llama_index.core import Settings\nfrom llama_index.llms.openai import OpenAI\n\nSettings.llm = OpenAI(\n    model=&quot;\u670d\u52a1\u5546\u63a7\u5236\u53f0\u4e2d\u7684\u6a21\u578b\u540d&quot;,\n    api_key=&quot;\u4f60\u7684_API_Key&quot;,\n    api_base=&quot;https:\/\/your-provider.example.com\/v1&quot;,\n    temperature=0.2,\n    timeout=60.0,\n    max_retries=3,\n)\n<\/code><\/pre>\n<p>\u8fd9\u91cc\u7684 <code>api_base<\/code> \u901a\u5e38\u5e94\u586b\u5199\u63a5\u53e3\u6839\u8def\u5f84\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-text\">https:\/\/your-provider.example.com\/v1\n<\/code><\/pre>\n<p>\u4e0d\u8981\u76f4\u63a5\u586b\u5199\uff1a<\/p>\n<pre><code class=\"language-text\">https:\/\/your-provider.example.com\/v1\/chat\/completions\n<\/code><\/pre>\n<p>\u56e0\u4e3a SDK \u5f80\u5f80\u4f1a\u5728 Base URL \u540e\u81ea\u52a8\u62fc\u63a5\u5177\u4f53\u8d44\u6e90\u8def\u5f84\u3002\u82e5\u91cd\u590d\u62fc\u63a5\uff0c\u5e38\u89c1\u7ed3\u679c\u662f 404 \u6216\u8def\u7531\u4e0d\u5b58\u5728\u3002<\/p>\n<h3>\u65b9\u5f0f\u4e8c\uff1a\u4f7f\u7528 <code>OpenAILike<\/code> \u9002\u914d\u975e\u5b98\u65b9 OpenAI \u670d\u52a1<\/h3>\n<p>\u5982\u679c\u670d\u52a1\u5546\u867d\u7136\u91c7\u7528 OpenAI \u98ce\u683c\u63a5\u53e3\uff0c\u4f46\u8fd4\u56de\u5b57\u6bb5\u3001\u6a21\u578b\u80fd\u529b\u6216\u5de5\u5177\u8c03\u7528\u652f\u6301\u4e0e\u5b98\u65b9\u63a5\u53e3\u5b58\u5728\u5dee\u5f02\uff0c\u4f18\u5148\u8003\u8651 <code>OpenAILike<\/code>\u3002LlamaIndex \u5b98\u65b9\u793a\u4f8b\u660e\u786e\u5efa\u8bae\uff0c\u4f7f\u7528 OpenAI \u517c\u5bb9 API \u65f6\u53ef\u4ee5\u91c7\u7528 <code>OpenAILike<\/code> \u96c6\u6210\u3002(<a href=\"https:\/\/github.com\/run-llama\/llama_index\/blob\/main\/docs\/src\/content\/docs\/framework\/getting_started\/starter_example.mdx\">github.com<\/a>)<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">pip install llama-index llama-index-llms-openai-like\n<\/code><\/pre>\n<pre><code class=\"language-python\">from llama_index.core import Settings\nfrom llama_index.llms.openai_like import OpenAILike\n\nSettings.llm = OpenAILike(\n    model=&quot;\u670d\u52a1\u5546\u63a7\u5236\u53f0\u4e2d\u7684\u6a21\u578b\u540d&quot;,\n    api_key=&quot;\u4f60\u7684_API_Key&quot;,\n    api_base=&quot;https:\/\/your-provider.example.com\/v1&quot;,\n    is_chat_model=True,\n    context_window=128000,\n    max_tokens=2048,\n    temperature=0.2,\n)\n<\/code><\/pre>\n<p><code>is_chat_model=True<\/code> \u7528\u4e8e\u544a\u8bc9 LlamaIndex \u5f53\u524d\u6a21\u578b\u4f7f\u7528\u5bf9\u8bdd\u63a5\u53e3\u3002\u5982\u679c\u670d\u52a1\u5546\u53ea\u652f\u6301\u8865\u5168\u6587\u672c\u63a5\u53e3\uff0c\u6216\u6a21\u578b\u5143\u6570\u636e\u4e0e\u9ed8\u8ba4\u5224\u65ad\u4e0d\u4e00\u81f4\uff0c\u5219\u9700\u8981\u6839\u636e\u5b9e\u9645\u63a5\u53e3\u80fd\u529b\u8c03\u6574\u3002<\/p>\n<h2>\u5982\u4f55\u7528\u73af\u5883\u53d8\u91cf\u7ba1\u7406 Key \u4e0e Base URL<\/h2>\n<p>\u751f\u4ea7\u73af\u5883\u4e0d\u5efa\u8bae\u628a\u5bc6\u94a5\u76f4\u63a5\u5199\u8fdb\u6e90\u4ee3\u7801\u3002LlamaIndex \u5b98\u65b9\u5b89\u88c5\u6587\u6863\u4e5f\u5c06\u73af\u5883\u53d8\u91cf\u4f5c\u4e3a\u5e38\u89c1\u7684 API Key \u914d\u7f6e\u65b9\u5f0f\u3002(<a href=\"https:\/\/developers.llamaindex.ai\/python\/framework\/getting_started\/installation\/\">developers.llamaindex.ai<\/a>)<\/p>\n<p>Linux \u6216 macOS \u53ef\u4ee5\u8fd9\u6837\u8bbe\u7f6e\uff1a<\/p>\n<pre><code class=\"language-bash\">export OPENAI_API_KEY=&quot;\u4f60\u7684_API_Key&quot;\nexport OPENAI_BASE_URL=&quot;https:\/\/your-provider.example.com\/v1&quot;\nexport LLM_MODEL=&quot;\u670d\u52a1\u5546\u63a7\u5236\u53f0\u4e2d\u7684\u6a21\u578b\u540d&quot;\n<\/code><\/pre>\n<p>\u4ee3\u7801\u4e2d\u8bfb\u53d6\uff1a<\/p>\n<pre><code class=\"language-python\">import os\nfrom llama_index.core import Settings\nfrom llama_index.llms.openai import OpenAI\n\nSettings.llm = OpenAI(\n    model=os.getenv(&quot;LLM_MODEL&quot;, &quot;\u9ed8\u8ba4\u6a21\u578b\u540d&quot;),\n    api_key=os.environ[&quot;OPENAI_API_KEY&quot;],\n    api_base=os.getenv(&quot;OPENAI_BASE_URL&quot;),\n)\n<\/code><\/pre>\n<p>\u5efa\u8bae\u5c06\u53d8\u91cf\u547d\u540d\u4fdd\u6301\u7edf\u4e00\uff0c\u4e0d\u8981\u5728\u540c\u4e00\u4e2a\u9879\u76ee\u4e2d\u6df7\u7528 <code>OPENAI_BASE_URL<\/code>\u3001<code>OPENAI_API_BASE<\/code> \u548c\u81ea\u5b9a\u4e49\u53d8\u91cf\uff0c\u5374\u6ca1\u6709\u660e\u786e\u4f18\u5148\u7ea7\u3002\u56e2\u961f\u534f\u4f5c\u65f6\uff0c\u53ef\u5728 <code>.env.example<\/code> \u4e2d\u53ea\u4fdd\u7559\u53d8\u91cf\u540d\uff0c\u4e0d\u63d0\u4ea4\u771f\u5b9e\u5bc6\u94a5\uff1a<\/p>\n<pre><code class=\"language-env\">OPENAI_API_KEY=\nOPENAI_BASE_URL=https:\/\/your-provider.example.com\/v1\nLLM_MODEL=\n<\/code><\/pre>\n<p>\u540c\u65f6\u5c06 <code>.env<\/code> \u52a0\u5165 <code>.gitignore<\/code>\uff0c\u907f\u514d\u5bc6\u94a5\u8fdb\u5165 Git \u5386\u53f2\u8bb0\u5f55\u3002<\/p>\n<h2>LlamaIndex RAG \u9879\u76ee\u4e3a\u4ec0\u4e48\u8fd8\u8981\u914d\u7f6e\u5d4c\u5165\u6a21\u578b<\/h2>\n<p>\u5982\u679c\u9879\u76ee\u4f7f\u7528 <code>VectorStoreIndex<\/code>\u3001\u77e5\u8bc6\u5e93\u68c0\u7d22\u6216\u8bed\u4e49\u641c\u7d22\uff0c\u4ec5\u8bbe\u7f6e <code>Settings.llm<\/code> \u8fd8\u4e0d\u591f\u3002\u5d4c\u5165\u6a21\u578b\u8d1f\u8d23\u628a\u6587\u6863\u548c\u67e5\u8be2\u8f6c\u6362\u6210\u5411\u91cf\uff0c\u5fc5\u987b\u5355\u72ec\u8bbe\u7f6e <code>Settings.embed_model<\/code>\u3002<\/p>\n<p>OpenAI \u517c\u5bb9\u5d4c\u5165\u63a5\u53e3\u53ef\u4ee5\u6309\u7c7b\u4f3c\u65b9\u5f0f\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-python\">from llama_index.core import Settings\nfrom llama_index.embeddings.openai import OpenAIEmbedding\n\nSettings.embed_model = OpenAIEmbedding(\n    model=&quot;\u670d\u52a1\u5546\u652f\u6301\u7684\u5d4c\u5165\u6a21\u578b\u540d&quot;,\n    api_key=&quot;\u4f60\u7684_API_Key&quot;,\n    api_base=&quot;https:\/\/your-provider.example.com\/v1&quot;,\n)\n<\/code><\/pre>\n<p>\u4f46\u8fd9\u91cc\u6709\u4e00\u4e2a\u5b9e\u64cd\u5224\u65ad\uff1a<strong>\u804a\u5929\u6a21\u578b\u80fd\u8c03\u7528\uff0c\u4e0d\u4ee3\u8868\u5d4c\u5165\u6a21\u578b\u4e00\u5b9a\u53ef\u7528<\/strong>\u3002\u4e0d\u540c\u670d\u52a1\u5546\u53ef\u80fd\u53ea\u4ee3\u7406\u5bf9\u8bdd\u6a21\u578b\uff0c\u6216\u8005\u4f7f\u7528\u5355\u72ec\u7684\u5d4c\u5165 Base URL\u3002\u9047\u5230\u5efa\u5e93\u5931\u8d25\u65f6\uff0c\u5e94\u5148\u786e\u8ba4\u4ee5\u4e0b\u4e09\u9879\uff1a<\/p>\n<ol>\n<li>\u670d\u52a1\u5546\u662f\u5426\u63d0\u4f9b Embeddings \u63a5\u53e3\uff1b<\/li>\n<li>\u5d4c\u5165\u6a21\u578b\u540d\u79f0\u662f\u5426\u51c6\u786e\uff1b<\/li>\n<li>\u8fd4\u56de\u7684\u5411\u91cf\u7ef4\u5ea6\u662f\u5426\u7b26\u5408\u5411\u91cf\u6570\u636e\u5e93\u8981\u6c42\u3002<\/li>\n<\/ol>\n<p>\u5982\u679c\u5d4c\u5165\u670d\u52a1\u4e0d\u517c\u5bb9\uff0c\u53ef\u4ee5\u5c06 LLM \u548c Embedding \u62c6\u5f00\u914d\u7f6e\uff0c\u4f8b\u5982\u804a\u5929\u8bf7\u6c42\u8d70\u7edf\u4e00 API \u7f51\u5173\uff0c\u5d4c\u5165\u8bf7\u6c42\u4f7f\u7528\u672c\u5730\u6a21\u578b\u6216\u53e6\u4e00\u5bb6\u517c\u5bb9\u670d\u52a1\u3002<\/p>\n<h2>\u4e00\u5957\u53ef\u590d\u7528\u7684\u6700\u5c0f\u9a8c\u8bc1\u4ee3\u7801<\/h2>\n<p>\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u5bfc\u5165\u5927\u91cf\u6587\u6863\u3002\u66f4\u9ad8\u6548\u7684\u6392\u67e5\u65b9\u6cd5\u662f\u5148\u5b8c\u6210\u201c\u5355\u6b21\u804a\u5929\u8bf7\u6c42\u2014\u7b80\u5355\u7d22\u5f15\u2014\u68c0\u7d22\u67e5\u8be2\u201d\u4e09\u6b65\u9a8c\u8bc1\u3002<\/p>\n<pre><code class=\"language-python\">from llama_index.core import Settings, VectorStoreIndex, Document\nfrom llama_index.llms.openai_like import OpenAILike\n\nSettings.llm = OpenAILike(\n    model=&quot;\u670d\u52a1\u5546\u63a7\u5236\u53f0\u4e2d\u7684\u6a21\u578b\u540d&quot;,\n    api_key=&quot;\u4f60\u7684_API_Key&quot;,\n    api_base=&quot;https:\/\/your-provider.example.com\/v1&quot;,\n    is_chat_model=True,\n    context_window=32768,\n    max_tokens=512,\n)\n\nresponse = Settings.llm.complete(&quot;\u8bf7\u53ea\u56de\u7b54\uff1a\u63a5\u53e3\u8fde\u63a5\u6210\u529f&quot;)\nprint(response)\n\ndocuments = [Document(text=&quot;nTokenX\u53ef\u7528\u4e8e\u7edf\u4e00\u7ba1\u7406\u591a\u4e2a\u5927\u6a21\u578b\u63a5\u53e3\u7684\u8c03\u7528\u914d\u7f6e\u3002&quot;)]\nindex = VectorStoreIndex.from_documents(documents)\nquery_engine = index.as_query_engine()\nprint(query_engine.query(&quot;\u8fd9\u6bb5\u6587\u5b57\u4ecb\u7ecd\u4e86\u4ec0\u4e48\uff1f&quot;))\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u6d4b\u8bd5\u7684\u72ec\u7acb\u4ef7\u503c\u5728\u4e8e\uff1a\u5b83\u80fd\u628a\u95ee\u9898\u62c6\u6210\u4e09\u4e2a\u8fb9\u754c\u3002\u7b2c\u4e00\u6b65\u5931\u8d25\uff0c\u591a\u534a\u662f\u9274\u6743\u3001Base URL \u6216\u6a21\u578b\u540d\u95ee\u9898\uff1b\u7b2c\u4e8c\u6b65\u5931\u8d25\uff0c\u91cd\u70b9\u68c0\u67e5\u5d4c\u5165\u6a21\u578b\uff1b\u7b2c\u4e09\u6b65\u5931\u8d25\uff0c\u5219\u7ee7\u7eed\u68c0\u67e5\u7d22\u5f15\u3001\u5411\u91cf\u5e93\u6216\u67e5\u8be2\u94fe\u8def\u3002<\/p>\n<h2>\u5e38\u89c1\u62a5\u9519\u4e0e\u6392\u67e5\u987a\u5e8f<\/h2>\n<h3>401 \u6216 403\uff1a\u5bc6\u94a5\u4e0e\u6743\u9650\u95ee\u9898<\/h3>\n<p>\u5148\u786e\u8ba4 Key \u662f\u5426\u5c5e\u4e8e\u5f53\u524d\u670d\u52a1\u5546\uff0c\u662f\u5426\u5305\u542b\u9996\u5c3e\u7a7a\u683c\uff0c\u662f\u5426\u5df2\u7ecf\u88ab\u64a4\u9500\u3002\u82e5\u5e73\u53f0\u6309\u9879\u76ee\u3001\u6a21\u578b\u6216 IP \u9650\u5236\u6743\u9650\uff0c\u8fd8\u8981\u786e\u8ba4\u5f53\u524d Key \u662f\u5426\u5177\u5907\u5bf9\u5e94\u6a21\u578b\u7684\u8c03\u7528\u6743\u9650\u3002<\/p>\n<h3>404\uff1aBase URL \u6216\u6a21\u578b\u8def\u7531\u9519\u8bef<\/h3>\n<p>\u6700\u5e38\u89c1\u539f\u56e0\u662f Base URL \u591a\u5199\u4e86\u63a5\u53e3\u8def\u5f84\uff0c\u6216\u8005\u6a21\u578b\u540d\u79f0\u4e0d\u662f\u670d\u52a1\u5546\u5b9e\u9645\u6620\u5c04\u7684\u540d\u79f0\u3002\u53ef\u4ee5\u5148\u7528\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u6a21\u578b\u5217\u8868\u63a5\u53e3\u786e\u8ba4\u6a21\u578b\u6807\u8bc6\uff0c\u518d\u56de\u5230 LlamaIndex \u914d\u7f6e\u3002<\/p>\n<h3>400\uff1a\u8bf7\u6c42\u683c\u5f0f\u6216\u53c2\u6570\u4e0d\u517c\u5bb9<\/h3>\n<p>\u90e8\u5206\u670d\u52a1\u5546\u4e0d\u652f\u6301 <code>response_format<\/code>\u3001\u5de5\u5177\u8c03\u7528\u3001\u7279\u5b9a\u6d88\u606f\u5b57\u6bb5\u6216\u67d0\u4e9b\u9ad8\u7ea7\u53c2\u6570\u3002\u5148\u964d\u4f4e\u914d\u7f6e\u590d\u6742\u5ea6\uff0c\u53ea\u4fdd\u7559\u6a21\u578b\u3001Key\u3001Base URL \u548c\u7b80\u5355\u6587\u672c\u8bf7\u6c42\uff0c\u518d\u9010\u9879\u6062\u590d\u53c2\u6570\u3002<\/p>\n<h3>429\uff1a\u5e76\u53d1\u6216\u914d\u989d\u9650\u5236<\/h3>\n<p>\u4e0d\u8981\u53ea\u76f2\u76ee\u589e\u52a0\u91cd\u8bd5\u6b21\u6570\u3002\u5e94\u7ed3\u5408\u6307\u6570\u9000\u907f\u3001\u8bf7\u6c42\u6392\u961f\u548c\u6a21\u578b\u964d\u7ea7\u7b56\u7565\uff0c\u5e76\u4e3a\u4e0d\u540c\u9879\u76ee\u8bbe\u7f6e\u72ec\u7acb\u9884\u7b97\u3002\u5bf9\u4e8e\u751f\u4ea7\u5e94\u7528\uff0c\u53ef\u53c2\u8003<a href=\"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/04\/llm-429-retry\/\">\u5927\u6a21\u578b\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7801429\u81ea\u52a8\u91cd\u8bd5\u7b56\u7565<\/a>\u4e86\u89e3\u9000\u907f\u4e0e\u8def\u7531\u964d\u7ea7\u601d\u8def\u3002<\/p>\n<h3>500\u3001502 \u6216 504\uff1a\u4e0a\u6e38\u670d\u52a1\u94fe\u8def\u5f02\u5e38<\/h3>\n<p>\u5148\u8bb0\u5f55\u8bf7\u6c42\u65f6\u95f4\u3001\u6a21\u578b\u540d\u3001\u8bf7\u6c42\u8017\u65f6\u548c\u54cd\u5e94 ID\uff0c\u518d\u5224\u65ad\u662f\u672c\u5730\u7f51\u7edc\u3001\u7f51\u5173\u8fd8\u662f\u6a21\u578b\u4e0a\u6e38\u6545\u969c\u3002\u957f\u4e0a\u4e0b\u6587\u3001\u5de5\u5177\u8c03\u7528\u548c\u9ad8\u5e76\u53d1\u8bf7\u6c42\u66f4\u5bb9\u6613\u89e6\u53d1\u8d85\u65f6\uff0c\u53ef\u7ed3\u5408<a href=\"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/22\/llm-504-timeout\/\">\u5927\u6a21\u578b\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7801504\u7f51\u5173\u8d85\u65f6\u5904\u7406<\/a>\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u4e0e\u91cd\u8bd5\u8fb9\u754c\u3002<\/p>\n<h2>\u81ea\u5b9a\u4e49\u63a5\u53e3\u670d\u52a1\u5546\u7684\u9009\u62e9\u68c0\u67e5\u8868<\/h2>\n<p>\u9009\u62e9\u591a\u6a21\u578b API \u805a\u5408\u5e73\u53f0\u6216\u7edf\u4e00\u5927\u6a21\u578b API \u65f6\uff0c\u5efa\u8bae\u4e0d\u8981\u53ea\u6bd4\u8f83\u201c\u80fd\u4e0d\u80fd\u8c03\u7528\u201d\uff0c\u800c\u8981\u68c0\u67e5\u5b8c\u6574\u94fe\u8def\uff1a<\/p>\n<ul>\n<li><strong>\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u662f\u5426\u652f\u6301 Chat Completions\u3001Embeddings\u3001\u6d41\u5f0f\u8f93\u51fa\u548c\u5de5\u5177\u8c03\u7528\uff1b<\/li>\n<li><strong>\u6a21\u578b\u6620\u5c04<\/strong>\uff1a\u63a7\u5236\u53f0\u6a21\u578b\u540d\u4e0e API \u8bf7\u6c42\u4e2d\u7684 <code>model<\/code> \u662f\u5426\u4e00\u81f4\uff1b<\/li>\n<li><strong>\u9274\u6743\u65b9\u5f0f<\/strong>\uff1a\u662f\u5426\u652f\u6301\u9879\u76ee\u7ea7 Key\u3001\u6743\u9650\u9694\u79bb\u548c\u5bc6\u94a5\u8f6e\u6362\uff1b<\/li>\n<li><strong>\u89c2\u6d4b\u80fd\u529b<\/strong>\uff1a\u662f\u5426\u80fd\u67e5\u770b\u8bf7\u6c42\u91cf\u3001\u9519\u8bef\u7387\u3001Token \u4f7f\u7528\u548c\u54cd\u5e94\u8017\u65f6\uff1b<\/li>\n<li><strong>\u6570\u636e\u8fb9\u754c<\/strong>\uff1a\u8bf7\u6c42\u662f\u5426\u88ab\u8bb0\u5f55\u3001\u4fdd\u5b58\u591a\u4e45\u3001\u662f\u5426\u7528\u4e8e\u5176\u4ed6\u7528\u9014\uff1b<\/li>\n<li><strong>\u6545\u969c\u5904\u7406<\/strong>\uff1a\u662f\u5426\u652f\u6301\u8d85\u65f6\u3001\u9650\u6d41\u3001\u91cd\u8bd5\u548c\u5907\u7528\u8def\u7531\uff1b<\/li>\n<li><strong>\u8d26\u5355\u7ba1\u7406<\/strong>\uff1a\u662f\u5426\u80fd\u6309\u5e94\u7528\u3001\u56e2\u961f\u6216\u9879\u76ee\u533a\u5206\u7528\u91cf\u3002<\/li>\n<\/ul>\n<p>nTokenX \u7684\u7edf\u4e00 API \u805a\u5408\u6a21\u5f0f\u9002\u5408\u9700\u8981\u5728\u4e00\u4e2a API Key \u4e0b\u8c03\u7528 GPT\u3001Claude\u3001Gemini\u3001Grok \u7b49\u591a\u4e2a\u6a21\u578b\u7684\u56e2\u961f\u3002\u5b9e\u9645\u63a5\u5165\u524d\uff0c\u4ecd\u5e94\u6839\u636e\u4e1a\u52a1\u6570\u636e\u654f\u611f\u6027\u3001\u6a21\u578b\u6388\u6743\u8303\u56f4\u548c\u7a33\u5b9a\u6027\u8981\u6c42\u5b8c\u6210\u5185\u90e8\u8bc4\u4f30\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u9879\u76ee\u8fd8\u6d89\u53ca\u524d\u7aef\u5de5\u5177\u6216\u591a\u4e2a\u5f00\u53d1\u73af\u5883\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/ntokenx.com\/blog\/index.php\/2026\/10\/24\/langchain-js-gateway\/\">LangChain.js\u63a5\u5165\u7b2c\u4e09\u65b9\u5927\u6a21\u578b\u4ee3\u7406\u7f51\u5173<\/a>\u5bf9\u6bd4 Base URL\u3001\u9274\u6743\u548c\u6392\u9519\u601d\u8def\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>LlamaIndex \u7684 <code>api_base<\/code> \u548c <code>base_url<\/code> \u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u5417\uff1f<\/h3>\n<p>\u901a\u5e38\u90fd\u8868\u793a API \u57fa\u7840\u5730\u5740\uff0c\u4f46\u5177\u4f53\u540d\u79f0\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684 LlamaIndex \u96c6\u6210\u7c7b\u548c SDK \u7248\u672c\u3002Python \u7684 <code>OpenAI<\/code> \u7c7b\u5e38\u89c1\u53c2\u6570\u662f <code>api_base<\/code>\uff0c\u90e8\u5206 OpenAI \u517c\u5bb9\u5c01\u88c5\u6216 TypeScript \u96c6\u6210\u4f7f\u7528 <code>baseURL<\/code>\u3002\u5e94\u4ee5\u5f53\u524d\u5b89\u88c5\u5305\u7684\u53c2\u6570\u5b9a\u4e49\u4e3a\u51c6\u3002<\/p>\n<h3>\u53ea\u4fee\u6539 <code>OPENAI_BASE_URL<\/code> \u5c31\u80fd\u5207\u6362\u670d\u52a1\u5546\u5417\uff1f<\/h3>\n<p>\u4e0d\u4e00\u5b9a\u3002\u8fd8\u8981\u540c\u6b65\u68c0\u67e5\u6a21\u578b\u540d\u3001Key\u3001\u63a5\u53e3\u517c\u5bb9\u6027\u548c\u5d4c\u5165\u6a21\u578b\u914d\u7f6e\u3002\u82e5\u9879\u76ee\u4f7f\u7528 RAG\uff0c\u5d4c\u5165\u6a21\u578b\u53ef\u80fd\u9700\u8981\u5355\u72ec\u7684 URL \u548c\u6a21\u578b\u3002<\/p>\n<h3><code>OpenAI<\/code> \u548c <code>OpenAILike<\/code> \u5e94\u8be5\u9009\u54ea\u4e2a\uff1f<\/h3>\n<p>\u5b8c\u6574\u517c\u5bb9 OpenAI \u63a5\u53e3\u4e14\u53c2\u6570\u884c\u4e3a\u4e00\u81f4\u65f6\uff0c\u53ef\u5148\u7528 <code>OpenAI<\/code>\u3002\u5982\u679c\u662f\u7b2c\u4e09\u65b9 OpenAI \u517c\u5bb9\u670d\u52a1\uff0c\u6216\u9700\u8981\u663e\u5f0f\u58f0\u660e\u4e0a\u4e0b\u6587\u7a97\u53e3\u3001\u804a\u5929\u6a21\u578b\u80fd\u529b\uff0c\u901a\u5e38 <code>OpenAILike<\/code> \u66f4\u5bb9\u6613\u63a7\u5236\u3002<\/p>\n<h3>Base URL \u662f\u5426\u5fc5\u987b\u4ee5 <code>\/v1<\/code> \u7ed3\u5c3e\uff1f<\/h3>\n<p>\u4e0d\u662f\u56fa\u5b9a\u89c4\u5219\u3002\u5173\u952e\u662f\u670d\u52a1\u5546\u7684\u63a5\u53e3\u6839\u8def\u5f84\u662f\u4ec0\u4e48\u3002\u5e94\u4ee5\u670d\u52a1\u5546\u6587\u6863\u4e3a\u51c6\uff0c\u5e76\u907f\u514d\u628a\u5177\u4f53\u7684 <code>\/chat\/completions<\/code> \u8def\u5f84\u76f4\u63a5\u586b\u5165 Base URL\u3002<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:1.5em 0;\"><img decoding=\"async\" src=\"https:\/\/ntokenx.com\/blog\/wp-content\/uploads\/2026\/10\/backend-8338-2.jpg\" alt=\"LlamaIndex\u81ea\u5b9a\u4e49API\u63a5\u5165\u540e\u7684\u6d4b\u8bd5\u4e0e\u9519\u8bef\u6392\u67e5\u6d41\u7a0b\" style=\"max-width:100%;height:auto;\"><\/figure>\n<p><script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Article\",\"author\":{\"@type\":\"Organization\",\"name\":\"nTokenX\"},\"dateModified\":\"2026-10-27\",\"datePublished\":\"2026-10-27\",\"description\":\"LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\uff0c\u8be6\u89e3 Python \u73af\u5883\u53d8\u91cf\u3001OpenAILike\u3001Base URL\u3001\u6a21\u578b\u540d\u3001\u5d4c\u5165\u6a21\u578b\u4e0e\u5e38\u89c1\u62a5\u9519\u6392\u67e5\uff0c\u6309\u6b65\u9aa4\u5b8c\u6210\u7edf\u4e00 API \u63a5\u5165\u3002\",\"headline\":\"LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\uff1aBase URL\u4e0e\u6a21\u578b\u63a5\u5165\u6559\u7a0b | nTokenX\",\"image\":\"https:\/\/ntokenx.com\/blog\/wp-content\/uploads\/2026\/10\/art-12582-cover.jpg\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"nTokenX\"}}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>LlamaIndex\u914d\u7f6e\u81ea\u5b9a\u4e49\u5927\u6a21\u578b\u63a5\u53e3\u670d\u52a1\u5546\uff0c\u8be6\u89e3 Python \u73af\u5883\u53d8\u91cf\u3001OpenAILike\u3001Base URL\u3001\u6a21\u578b\u540d\u3001\u5d4c\u5165\u6a21\u578b\u4e0e\u5e38\u89c1\u62a5\u9519\u6392\u67e5\uff0c\u6309\u6b65\u9aa4\u5b8c\u6210\u7edf\u4e00 API \u63a5\u5165\u3002<\/p>\n","protected":false},"author":1,"featured_media":407,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=408"}],"version-history":[{"count":0,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/posts\/408\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/media\/407"}],"wp:attachment":[{"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntokenx.com\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}