{"id":2574,"date":"2025-12-30T09:24:25","date_gmt":"2025-12-30T01:24:25","guid":{"rendered":"https:\/\/sanlangcode.com\/?p=2574"},"modified":"2025-12-30T09:24:25","modified_gmt":"2025-12-30T01:24:25","slug":"agent-%e8%ae%b0%e5%bf%86%e7%ae%a1%e7%90%86%e6%9c%ba%e5%88%b6%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e-qwenagent-%e5%88%b0%e5%a4%9a%e8%bd%ae%e5%af%b9%e8%af%9d%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/sanlangcode.com\/index.php\/2025\/12\/30\/agent-%e8%ae%b0%e5%bf%86%e7%ae%a1%e7%90%86%e6%9c%ba%e5%88%b6%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e-qwenagent-%e5%88%b0%e5%a4%9a%e8%bd%ae%e5%af%b9%e8%af%9d%e5%ae%9e%e8%b7%b5\/","title":{"rendered":"Agent \u8bb0\u5fc6\u7ba1\u7406\u673a\u5236\u6df1\u5ea6\u89e3\u6790\uff1a\u4ece QwenAgent \u5230\u591a\u8f6e\u5bf9\u8bdd\u5b9e\u8df5"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u524d\u8a00<\/h1>\n\n\n\n<p>\u968f\u7740\u5927\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u5728\u5bf9\u8bdd\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\uff0c\u5982\u4f55\u8ba9 AI Agent \u5177\u5907\u201c\u8bb0\u5fc6\u201d\u80fd\u529b\u6210\u4e3a\u5173\u952e\u3002\u672c\u6587\u68b3\u7406 Agent \u8bb0\u5fc6\u7ba1\u7406\u7684\u672c\u8d28\u3001\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5e76\u5bf9\u6bd4\u4e3b\u6d41\u6846\u67b6\u7684\u505a\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001Agent \u8bb0\u5fc6\u7684\u672c\u8d28\uff1a\u4e0d\u662f\u65e5\u5fd7\uff0c\u800c\u662f\u667a\u80fd\u77e5\u8bc6\u7cfb\u7edf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 \u8bb0\u5fc6 vs \u65e5\u5fd7\uff1a\u672c\u8d28\u533a\u522b<\/h3>\n\n\n\n<p>\u5f88\u591a\u4eba\u8ba4\u4e3a Agent \u7684\u201c\u8bb0\u5fc6\u201d\u5c31\u662f\u65e5\u5fd7\u7ba1\u7406\uff0c\u4f46\u4e24\u8005\u6709\u672c\u8d28\u533a\u522b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7ef4\u5ea6<\/th><th>\u65e5\u5fd7\u7ba1\u7406<\/th><th>Agent \u8bb0\u5fc6<\/th><\/tr><\/thead><tbody><tr><td><strong>\u76ee\u7684<\/strong><\/td><td>\u8bb0\u5f55\u4e8b\u4ef6\uff0c\u7528\u4e8e\u5ba1\u8ba1\/\u8c03\u8bd5<\/td><td>\u7406\u89e3\u4e0a\u4e0b\u6587\uff0c\u5f71\u54cd\u51b3\u7b56<\/td><\/tr><tr><td><strong>\u5b58\u50a8\u5185\u5bb9<\/strong><\/td><td>\u539f\u59cb\u4e8b\u4ef6\u8bb0\u5f55<\/td><td>\u7ed3\u6784\u5316\u8bed\u4e49\u4fe1\u606f<\/td><\/tr><tr><td><strong>\u68c0\u7d22\u65b9\u5f0f<\/strong><\/td><td>\u65f6\u95f4\u8303\u56f4\u67e5\u8be2<\/td><td>\u8bed\u4e49\u76f8\u4f3c\u5ea6\u68c0\u7d22<\/td><\/tr><tr><td><strong>\u5f71\u54cd\u884c\u4e3a<\/strong><\/td><td>\u4e0d\u5f71\u54cd\u7cfb\u7edf\u884c\u4e3a<\/td><td>\u76f4\u63a5\u5f71\u54cd Agent \u51b3\u7b56<\/td><\/tr><tr><td><strong>\u6570\u636e\u7ed3\u6784<\/strong><\/td><td>\u7ebf\u6027\u65f6\u95f4\u5e8f\u5217<\/td><td>\u56fe\u72b6\/\u5411\u91cf\u7a7a\u95f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u8bb0\u5fc6\u7684\u672c\u8d28\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u4e49\u5316\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff08\u4e0d\u662f\u539f\u59cb\u6587\u672c\uff09<\/li>\n\n\n\n<li>\u53ef\u68c0\u7d22\u7684\u77e5\u8bc6\u5e93\uff08\u652f\u6301\u8bed\u4e49\u641c\u7d22\uff09<\/li>\n\n\n\n<li>\u5f71\u54cd\u51b3\u7b56\u7684\u72b6\u6001\u4fe1\u606f\uff08\u4e3b\u52a8\u5f71\u54cd\u884c\u4e3a\uff09<\/li>\n\n\n\n<li>\u538b\u7f29\u548c\u6458\u8981\u540e\u7684\u4fe1\u606f\uff08\u4e0d\u662f\u5b8c\u6574\u8bb0\u5f55\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u8bb0\u5fc6\u7cfb\u7edf\u7684\u6838\u5fc3\u7ec4\u4ef6<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u5b8c\u6574\u7684\u8bb0\u5fc6\u7cfb\u7edf\u901a\u5e38\u5305\u542b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class AgentMemory:\n    def __init__(self):\n        # 1. \u5bf9\u8bdd\u5386\u53f2\uff08\u7c7b\u4f3c\u65e5\u5fd7\uff0c\u4f46\u7ed3\u6784\u5316\uff09\n        self.conversation_history = &#91;]\n\n        # 2. \u77e5\u8bc6\u5e93\uff08\u65e5\u5fd7\u6ca1\u6709\uff09\n        self.knowledge_base = VectorDatabase()\n\n        # 3. \u7528\u6237\u753b\u50cf\uff08\u65e5\u5fd7\u6ca1\u6709\uff09\n        self.user_profile = {}\n\n        # 4. \u4efb\u52a1\u72b6\u6001\uff08\u65e5\u5fd7\u6ca1\u6709\uff09\n        self.task_state = {}\n\n        # 5. \u6458\u8981\u7f13\u5b58\uff08\u65e5\u5fd7\u6ca1\u6709\uff09\n        self.summaries = {}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001QwenAgent \u7684\u8bb0\u5fc6\u673a\u5236\uff1aRAG \u9a71\u52a8\u7684\u77e5\u8bc6\u5e93\u7cfb\u7edf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \u6838\u5fc3\u67b6\u6784<\/h3>\n\n\n\n<p>QwenAgent \u7684\u201c\u8bb0\u5fc6\u201d\u672c\u8d28\u4e0a\u662f<strong>\u5916\u90e8\u77e5\u8bc6\u5e93 + RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u7cfb\u7edf<\/strong>\uff0c\u800c\u975e\u4f20\u7edf\u5bf9\u8bdd\u8bb0\u5fc6\u3002<\/p>\n\n\n\n<p><strong>\u6838\u5fc3\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u90e8\u77e5\u8bc6\u5e93\uff1a\u7528\u6237\u4e0a\u4f20\u7684\u6587\u6863\uff08PDF\u3001DOCX\u3001PPTX \u7b49\uff09<\/li>\n\n\n\n<li>RAG \u673a\u5236\uff1a\u6bcf\u6b21\u5bf9\u8bdd\u65f6\u4ece\u77e5\u8bc6\u5e93\u68c0\u7d22\u76f8\u5173\u4fe1\u606f<\/li>\n\n\n\n<li>\u65e0\u72b6\u6001\u8bbe\u8ba1\uff1a\u4e0d\u7ef4\u62a4\u957f\u671f\u5bf9\u8bdd\u4e0a\u4e0b\u6587\uff0c\u6bcf\u6b21\u67e5\u8be2\u72ec\u7acb<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 \u5de5\u4f5c\u6d41\u7a0b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># 1. \u7528\u6237\u4e0a\u4f20\u6587\u6863 \u2192 \u5b58\u50a8\u5230\u77e5\u8bc6\u5e93\nagent.upload_file(\"document.pdf\")\n# \u5185\u90e8\uff1a\u89e3\u6790\u6587\u6863 \u2192 \u5206\u5757 \u2192 \u5411\u91cf\u5316 \u2192 \u5b58\u50a8\u5230\u5411\u91cf\u6570\u636e\u5e93\n\n# 2. \u7528\u6237\u63d0\u95ee \u2192 \u4ece\u77e5\u8bc6\u5e93\u68c0\u7d22\u76f8\u5173\u5185\u5bb9\nuser_query = \"\u6587\u6863\u4e2d\u63d0\u5230\u4e86\u4ec0\u4e48\uff1f\"\n# \u5185\u90e8\uff1a\u751f\u6210\u5173\u952e\u8bcd \u2192 \u5411\u91cf\u68c0\u7d22 \u2192 \u8fd4\u56de\u76f8\u5173\u6587\u6863\u7247\u6bb5\n\n# 3. \u57fa\u4e8e\u68c0\u7d22\u7ed3\u679c\u751f\u6210\u56de\u7b54\nresponse = agent.chat(user_query)\n# \u5185\u90e8\uff1a\u68c0\u7d22\u5230\u7684\u6587\u6863\u7247\u6bb5 + \u7528\u6237\u95ee\u9898 \u2192 LLM\u751f\u6210\u56de\u7b54<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 \u5b58\u50a8\u673a\u5236<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class DocumentProcessor:\n    def process_document(self, file_path):\n        # 1. \u89e3\u6790\u6587\u6863\uff08\u652f\u6301 PDF\u3001DOCX\u3001PPTX \u7b49\uff09\n        text = self.parse_file(file_path)\n\n        # 2. \u6587\u672c\u5206\u5757\uff08chunking\uff09\n        chunks = self.split_text(text, chunk_size=1000)\n\n        # 3. \u5411\u91cf\u5316\uff08embedding\uff09\n        for chunk in chunks:\n            embedding = self.embedding_model.encode(chunk)\n\n            # 4. \u5b58\u50a8\u5230\u5411\u91cf\u6570\u636e\u5e93\n            vector_db.add(\n                embedding=embedding,\n                document=chunk,\n                metadata={\n                    \"file\": file_path,\n                    \"chunk_id\": chunk.id,\n                    \"page\": chunk.page_number\n                }\n            )<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 \u68c0\u7d22\u673a\u5236<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def retrieve_memory(self, user_query):\n    # 1. \u5c06\u7528\u6237\u95ee\u9898\u5411\u91cf\u5316\n    query_embedding = self.embedding_model.encode(user_query)\n\n    # 2. \u5728\u5411\u91cf\u6570\u636e\u5e93\u4e2d\u641c\u7d22\u76f8\u4f3c\u5185\u5bb9\n    results = self.vector_db.search(\n        query_embedding,\n        top_k=5,  # \u8fd4\u56de\u6700\u76f8\u5173\u76845\u4e2a\u6587\u6863\u7247\u6bb5\n        threshold=0.7  # \u76f8\u4f3c\u5ea6\u9608\u503c\n    )\n\n    # 3. \u8fd4\u56de\u68c0\u7d22\u5230\u7684\u6587\u6863\u7247\u6bb5\n    return results<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.5 RAG \u4e0e\u8bb0\u5fc6\u7ba1\u7406\u7684\u5173\u7cfb<\/h3>\n\n\n\n<p>\u5728 QwenAgent \u4e2d\uff0c<strong>RAG \u5c31\u662f\u8bb0\u5fc6\u7ba1\u7406\u7684\u6838\u5fc3\u673a\u5236<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bb0\u5fc6\u7ba1\u7406\n  \u2514\u2500\u2500 RAG \u7cfb\u7edf\n       \u251c\u2500\u2500 \u5b58\u50a8\uff08Indexing\uff09\uff1a\u6587\u6863 \u2192 \u5411\u91cf\u6570\u636e\u5e93\n       \u251c\u2500\u2500 \u68c0\u7d22\uff08Retrieval\uff09\uff1a\u67e5\u8be2 \u2192 \u8bed\u4e49\u641c\u7d22\n       \u2514\u2500\u2500 \u751f\u6210\uff08Generation\uff09\uff1a\u68c0\u7d22\u7ed3\u679c + \u67e5\u8be2 \u2192 LLM \u56de\u7b54<\/code><\/pre>\n\n\n\n<p><strong>\u5173\u952e\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAG \u662f\u8bb0\u5fc6\u7ba1\u7406\u7684\u6838\u5fc3\u5b9e\u73b0\u65b9\u5f0f<\/li>\n\n\n\n<li>RAG \u4e3b\u8981\u7528\u4e8e\u5916\u90e8\u77e5\u8bc6\u5e93\u7684\u68c0\u7d22\u548c\u7ba1\u7406<\/li>\n\n\n\n<li>RAG \u4e0d\u7ef4\u62a4\u5bf9\u8bdd\u5386\u53f2\uff0c\u6bcf\u6b21\u67e5\u8be2\u72ec\u7acb<\/li>\n\n\n\n<li>RAG \u7684\u8bb0\u5fc6 = \u5916\u90e8\u77e5\u8bc6\u5e93\uff0c\u4e0d\u662f\u4f20\u7edf\u5bf9\u8bdd\u8bb0\u5fc6<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u591a\u8f6e\u5bf9\u8bdd\u8bb0\u5fc6\u5b58\u50a8\uff1a\u6838\u5fc3\u6311\u6218\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 \u6838\u5fc3\u6311\u6218<\/h3>\n\n\n\n<p>\u591a\u8f6e\u5bf9\u8bdd\u8bb0\u5fc6\u9762\u4e34\u7684\u4e3b\u8981\u95ee\u9898\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u95ee\u9898\uff1a\u6a21\u578b\u6709 token \u9650\u5236\uff08\u5982 32K, 128K\uff09\n# \u968f\u7740\u5bf9\u8bdd\u8f6e\u6b21\u589e\u52a0\uff0c\u5386\u53f2\u8bb0\u5f55\u4f1a\u8d85\u51fa\u9650\u5236\n\nconversation_history = &#91;\n    {\"role\": \"user\", \"content\": \"...\"},      # \u7b2c1\u8f6e\n    {\"role\": \"assistant\", \"content\": \"...\"}, # \u7b2c1\u8f6e\n    {\"role\": \"user\", \"content\": \"...\"},      # \u7b2c2\u8f6e\n    {\"role\": \"assistant\", \"content\": \"...\"}, # \u7b2c2\u8f6e\n    # ... 100\u8f6e\u540e\uff0ctoken \u6570\u53ef\u80fd\u8d85\u8fc7\u9650\u5236\n]<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 \u4e3b\u8981\u89e3\u51b3\u65b9\u6848<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u65b9\u68481\uff1a\u76f4\u63a5\u5b58\u50a8\u5bf9\u8bdd\u5386\u53f2\uff08\u7b80\u5355\u4f46\u6709\u9650\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>class SimpleMemory:\n    def __init__(self, max_tokens=32000):\n        self.messages = &#91;]\n        self.max_tokens = max_tokens\n\n    def add_message(self, role, content):\n        self.messages.append({\"role\": role, \"content\": content})\n\n        # \u5982\u679c\u8d85\u51fa\u9650\u5236\uff0c\u622a\u65ad\u6700\u65e9\u7684\u5bf9\u8bdd\n        while self.count_tokens() &gt; self.max_tokens:\n            self.messages.pop(0)  # \u5220\u9664\u6700\u65e9\u7684\n\n    def get_history(self):\n        return self.messages<\/code><\/pre>\n\n\n\n<p><strong>\u4f18\u70b9\uff1a<\/strong> \u5b9e\u73b0\u7b80\u5355\uff0c\u4fdd\u7559\u5b8c\u6574\u4e0a\u4e0b\u6587<br><strong>\u7f3a\u70b9\uff1a<\/strong> \u53d7 token \u9650\u5236\uff0c\u957f\u5bf9\u8bdd\u4f1a\u4e22\u5931\u65e9\u671f\u4fe1\u606f<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u65b9\u68482\uff1a\u5bf9\u8bdd\u6458\u8981\u4e0e\u538b\u7f29\uff08\u5e38\u7528\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>class SummaryMemory:\n    def __init__(self, max_tokens=32000, summary_threshold=0.8):\n        self.messages = &#91;]\n        self.summaries = &#91;]  # \u5b58\u50a8\u6458\u8981\n        self.max_tokens = max_tokens\n        self.summary_threshold = summary_threshold\n\n    def add_message(self, role, content):\n        self.messages.append({\"role\": role, \"content\": content})\n\n        # \u68c0\u67e5\u662f\u5426\u9700\u8981\u538b\u7f29\n        if self.count_tokens() &gt; self.max_tokens * self.summary_threshold:\n            self.compress_old_messages()\n\n    def compress_old_messages(self):\n        # 1. \u63d0\u53d6\u65e7\u6d88\u606f\uff08\u4fdd\u7559\u6700\u8fd1N\u6761\uff09\n        old_messages = self.messages&#91;:-10]  # \u4fdd\u7559\u6700\u8fd110\u6761\n        recent_messages = self.messages&#91;-10:]\n\n        # 2. \u751f\u6210\u6458\u8981\n        summary = self.generate_summary(old_messages)\n        self.summaries.append(summary)\n\n        # 3. \u66ff\u6362\u65e7\u6d88\u606f\n        self.messages = &#91;{\"role\": \"system\", \"content\": summary}] + recent_messages\n\n    def generate_summary(self, messages):\n        # \u4f7f\u7528 LLM \u751f\u6210\u6458\u8981\n        prompt = f\"\"\"\n        \u8bf7\u603b\u7ed3\u4ee5\u4e0b\u5bf9\u8bdd\u7684\u5173\u952e\u4fe1\u606f\uff1a\n        {messages}\n        \"\"\"\n        return llm.generate(prompt)<\/code><\/pre>\n\n\n\n<p><strong>\u4f18\u70b9\uff1a<\/strong> \u4fdd\u7559\u5173\u952e\u4fe1\u606f\uff0c\u51cf\u5c11 token \u4f7f\u7528<br><strong>\u7f3a\u70b9\uff1a<\/strong> \u53ef\u80fd\u4e22\u5931\u7ec6\u8282\uff0c\u9700\u8981\u989d\u5916\u7684 LLM \u8c03\u7528<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u65b9\u68483\uff1a\u68c0\u7d22\u589e\u5f3a\u8bb0\u5fc6\uff08RAG for Memory\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>class RAGMemory:\n    def __init__(self):\n        self.vector_db = VectorDatabase()\n        self.recent_messages = &#91;]  # \u6700\u8fd1\u7684\u6d88\u606f\uff08\u5de5\u4f5c\u8bb0\u5fc6\uff09\n        self.max_recent = 10  # \u4fdd\u7559\u6700\u8fd110\u8f6e\n\n    def add_message(self, role, content):\n        message = {\"role\": role, \"content\": content}\n        self.recent_messages.append(message)\n\n        # \u5982\u679c\u6700\u8fd1\u6d88\u606f\u592a\u591a\uff0c\u5c06\u65e7\u7684\u5411\u91cf\u5316\u5b58\u50a8\n        if len(self.recent_messages) &gt; self.max_recent:\n            old_message = self.recent_messages.pop(0)\n            self.store_to_vector_db(old_message)\n\n    def store_to_vector_db(self, message):\n        # \u5411\u91cf\u5316\u5e76\u5b58\u50a8\n        embedding = embed(message&#91;'content'])\n        self.vector_db.add(\n            embedding=embedding,\n            document=message&#91;'content'],\n            metadata={\n                \"role\": message&#91;'role'],\n                \"timestamp\": datetime.now()\n            }\n        )\n\n    def retrieve_relevant_history(self, current_query):\n        # 1. \u4ece\u5411\u91cf\u6570\u636e\u5e93\u68c0\u7d22\u76f8\u5173\u5386\u53f2\n        query_embedding = embed(current_query)\n        relevant_history = self.vector_db.search(query_embedding, top_k=5)\n\n        # 2. \u7ed3\u5408\u6700\u8fd1\u7684\u6d88\u606f\n        context = self.recent_messages + relevant_history\n\n        return context<\/code><\/pre>\n\n\n\n<p><strong>\u4f18\u70b9\uff1a<\/strong> \u53ef\u5904\u7406\u957f\u5bf9\u8bdd\uff0c\u8bed\u4e49\u68c0\u7d22\u76f8\u5173\u5386\u53f2<br><strong>\u7f3a\u70b9\uff1a<\/strong> \u9700\u8981\u5411\u91cf\u6570\u636e\u5e93\uff0c\u68c0\u7d22\u53ef\u80fd\u4e0d\u5b8c\u6574<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u4e3b\u6d41\u6846\u67b6\u7684\u5b9e\u73b0\u65b9\u5f0f\u5bf9\u6bd4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 LangChain \u7684\u8bb0\u5fc6\u7ba1\u7406<\/h3>\n\n\n\n<p>LangChain \u63d0\u4f9b\u591a\u79cd\u8bb0\u5fc6\u7c7b\u578b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from langchain.memory import ConversationBufferMemory\nfrom langchain.memory import ConversationSummaryMemory\nfrom langchain.memory import ConversationBufferWindowMemory\nfrom langchain.memory import ConversationSummaryBufferMemory\n\n# \u65b9\u5f0f1\uff1a\u5b8c\u6574\u5bf9\u8bdd\u5386\u53f2\uff08\u7b80\u5355\uff09\nmemory = ConversationBufferMemory()\n\n# \u65b9\u5f0f2\uff1a\u6ed1\u52a8\u7a97\u53e3\uff08\u53ea\u4fdd\u7559\u6700\u8fd1N\u8f6e\uff09\nmemory = ConversationBufferWindowMemory(k=5)\n\n# \u65b9\u5f0f3\uff1a\u6458\u8981\u8bb0\u5fc6\uff08\u81ea\u52a8\u538b\u7f29\uff09\nmemory = ConversationSummaryMemory(llm=llm)\n\n# \u65b9\u5f0f4\uff1a\u6df7\u5408\u65b9\u5f0f\uff08\u6458\u8981 + \u6700\u8fd1\u6d88\u606f\uff09\nmemory = ConversationSummaryBufferMemory(\n    llm=llm,\n    max_token_limit=2000,\n    return_messages=True\n)<\/code><\/pre>\n\n\n\n<p><strong>\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u591a\u79cd\u8bb0\u5fc6\u7c7b\u578b\u53ef\u9009<\/li>\n\n\n\n<li>\u652f\u6301\u6458\u8981\u548c\u6ed1\u52a8\u7a97\u53e3<\/li>\n\n\n\n<li>\u53ef\u6301\u4e45\u5316\u5230\u6570\u636e\u5e93<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 MemGPT \u7684\u5206\u5c42\u8bb0\u5fc6\u7cfb\u7edf<\/h3>\n\n\n\n<p>MemGPT \u4f7f\u7528\u5206\u5c42\u8bb0\u5fc6\u67b6\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class MemGPTMemory:\n    def __init__(self):\n        # \u5de5\u4f5c\u8bb0\u5fc6\uff08\u56fa\u5b9a\u5927\u5c0f\u7a97\u53e3\uff09\n        self.working_memory = FixedWindowMemory(size=8192)\n\n        # \u5916\u90e8\u8bb0\u5fc6\uff08\u5411\u91cf\u6570\u636e\u5e93\uff09\n        self.external_memory = VectorMemory(\n            storage=\"chromadb\",\n            retrieval_strategy=\"semantic\"\n        )\n\n    def add_message(self, message):\n        # 1. \u6dfb\u52a0\u5230\u5de5\u4f5c\u8bb0\u5fc6\n        self.working_memory.add(message)\n\n        # 2. \u5982\u679c\u5de5\u4f5c\u8bb0\u5fc6\u6ee1\u4e86\uff0c\u538b\u7f29\u5e76\u5b58\u50a8\u5230\u5916\u90e8\u8bb0\u5fc6\n        if self.working_memory.is_full():\n            summary = self.compress_working_memory()\n            self.external_memory.store(summary)\n            self.working_memory.clear()\n\n    def retrieve_context(self, query):\n        # 1. \u4ece\u5916\u90e8\u8bb0\u5fc6\u68c0\u7d22\u76f8\u5173\u5386\u53f2\n        relevant = self.external_memory.retrieve(query, top_k=5)\n\n        # 2. \u7ed3\u5408\u5de5\u4f5c\u8bb0\u5fc6\n        context = self.working_memory.get_all() + relevant\n\n        return context<\/code><\/pre>\n\n\n\n<p><strong>\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5206\u5c42\u8bb0\u5fc6\uff1a\u5de5\u4f5c\u8bb0\u5fc6 + \u5916\u90e8\u8bb0\u5fc6<\/li>\n\n\n\n<li>\u81ea\u52a8\u538b\u7f29\uff1a\u5de5\u4f5c\u8bb0\u5fc6\u6ee1\u65f6\u81ea\u52a8\u538b\u7f29<\/li>\n\n\n\n<li>\u8bed\u4e49\u68c0\u7d22\uff1a\u4ece\u5916\u90e8\u8bb0\u5fc6\u68c0\u7d22\u76f8\u5173\u5386\u53f2<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 AutoGPT \u7684\u8bb0\u5fc6\u7cfb\u7edf<\/h3>\n\n\n\n<p>AutoGPT \u4f7f\u7528 SQLite + \u5411\u91cf\u6570\u636e\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class AutoGPTMemory:\n    def __init__(self):\n        # SQLite \u5b58\u50a8\u7ed3\u6784\u5316\u4fe1\u606f\n        self.sql_store = SQLiteDB(\"memory.db\")\n\n        # \u5411\u91cf\u6570\u636e\u5e93\u5b58\u50a8\u8bed\u4e49\u4fe1\u606f\n        self.vector_store = ChromaDB()\n\n    def store_conversation(self, messages):\n        # 1. \u5b58\u50a8\u5230 SQLite\uff08\u7ed3\u6784\u5316\uff09\n        for msg in messages:\n            self.sql_store.insert({\n                \"role\": msg&#91;\"role\"],\n                \"content\": msg&#91;\"content\"],\n                \"timestamp\": msg&#91;\"timestamp\"]\n            })\n\n        # 2. \u5411\u91cf\u5316\u5b58\u50a8\uff08\u8bed\u4e49\u68c0\u7d22\uff09\n        for msg in messages:\n            embedding = embed(msg&#91;\"content\"])\n            self.vector_store.add(embedding, msg&#91;\"content\"])<\/code><\/pre>\n\n\n\n<p><strong>\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cc\u91cd\u5b58\u50a8\uff1aSQLite + \u5411\u91cf\u6570\u636e\u5e93<\/li>\n\n\n\n<li>\u652f\u6301\u65f6\u95f4\u8303\u56f4\u67e5\u8be2<\/li>\n\n\n\n<li>\u652f\u6301\u8bed\u4e49\u68c0\u7d22<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.4 \u6846\u67b6\u5bf9\u6bd4\u603b\u7ed3<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6846\u67b6<\/th><th>\u5b9e\u73b0\u65b9\u5f0f<\/th><th>\u4f18\u70b9<\/th><th>\u7f3a\u70b9<\/th><\/tr><\/thead><tbody><tr><td><strong>LangChain<\/strong><\/td><td>\u591a\u79cd\u8bb0\u5fc6\u7c7b\u578b\u53ef\u9009<\/td><td>\u7075\u6d3b\u3001\u6613\u7528<\/td><td>\u9700\u8981\u624b\u52a8\u9009\u62e9\u7b56\u7565<\/td><\/tr><tr><td><strong>MemGPT<\/strong><\/td><td>\u5206\u5c42\u8bb0\u5fc6 + \u81ea\u52a8\u538b\u7f29<\/td><td>\u81ea\u52a8\u7ba1\u7406\u3001\u9ad8\u6548<\/td><td>\u5b9e\u73b0\u590d\u6742<\/td><\/tr><tr><td><strong>AutoGPT<\/strong><\/td><td>SQLite + \u5411\u91cf\u6570\u636e\u5e93<\/td><td>\u53cc\u91cd\u5b58\u50a8\u3001\u7075\u6d3b\u67e5\u8be2<\/td><td>\u9700\u8981\u7ef4\u62a4\u4e24\u4e2a\u6570\u636e\u5e93<\/td><\/tr><tr><td><strong>QwenAgent<\/strong><\/td><td>RAG\uff08\u5916\u90e8\u77e5\u8bc6\u5e93\uff09<\/td><td>\u9002\u5408\u6587\u6863\u95ee\u7b54<\/td><td>\u4e0d\u7ef4\u62a4\u5bf9\u8bdd\u5386\u53f2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u6700\u4f73\u5b9e\u8df5\u4e0e\u63a8\u8350\u65b9\u6848<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 \u6df7\u5408\u7b56\u7565\uff08\u63a8\u8350\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class HybridMemory:\n    def __init__(self):\n        # \u6700\u8fd1\u6d88\u606f\uff08\u5de5\u4f5c\u8bb0\u5fc6\uff09\n        self.recent_messages = &#91;]\n        self.max_recent = 10\n\n        # \u6458\u8981\u8bb0\u5fc6\n        self.summaries = &#91;]\n\n        # \u5411\u91cf\u8bb0\u5fc6\uff08\u957f\u671f\uff09\n        self.vector_db = VectorDatabase()\n\n    def add_message(self, role, content):\n        message = {\"role\": role, \"content\": content}\n        self.recent_messages.append(message)\n\n        # \u7b56\u75651\uff1a\u4fdd\u7559\u6700\u8fd1N\u8f6e\n        if len(self.recent_messages) &gt; self.max_recent:\n            old = self.recent_messages.pop(0)\n\n            # \u7b56\u75652\uff1a\u751f\u6210\u6458\u8981\n            if len(self.summaries) &lt; 5:  # \u6700\u591a5\u4e2a\u6458\u8981\n                summary = self.summarize_old_messages(old)\n                self.summaries.append(summary)\n            else:\n                # \u7b56\u75653\uff1a\u5411\u91cf\u5316\u5b58\u50a8\n                self.store_to_vector_db(old)\n\n    def get_context(self, query):\n        # 1. \u6700\u8fd1\u6d88\u606f\n        context = self.recent_messages.copy()\n\n        # 2. \u6458\u8981\n        context.extend(self.summaries)\n\n        # 3. \u68c0\u7d22\u76f8\u5173\u5386\u53f2\n        relevant = self.vector_db.search(query, top_k=3)\n        context.extend(relevant)\n\n        return context<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 \u667a\u80fd\u538b\u7f29\u7b56\u7565<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def smart_compress(self, messages):\n    # 1. \u63d0\u53d6\u5173\u952e\u4fe1\u606f\n    entities = extract_entities(messages)\n    intents = extract_intents(messages)\n    decisions = extract_decisions(messages)\n\n    # 2. \u751f\u6210\u7ed3\u6784\u5316\u6458\u8981\n    summary = {\n        \"key_points\": extract_key_points(messages),\n        \"entities\": entities,\n        \"intents\": intents,\n        \"decisions\": decisions,\n        \"timestamp\": messages&#91;-1]&#91;\"timestamp\"]\n    }\n\n    return summary<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 \u573a\u666f\u9009\u62e9\u5efa\u8bae<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u77ed\u5bf9\u8bdd\uff08&lt; 10\u8f6e\uff09<\/strong>\uff1a\u76f4\u63a5\u5b58\u50a8\u5168\u90e8\u5386\u53f2<\/li>\n\n\n\n<li><strong>\u4e2d\u7b49\u5bf9\u8bdd\uff0810-50\u8f6e\uff09<\/strong>\uff1a\u6ed1\u52a8\u7a97\u53e3 + \u6458\u8981<\/li>\n\n\n\n<li><strong>\u957f\u5bf9\u8bdd\uff08> 50\u8f6e\uff09<\/strong>\uff1a\u5206\u5c42\u8bb0\u5fc6 + RAG \u68c0\u7d22<\/li>\n\n\n\n<li><strong>\u9700\u8981\u6301\u4e45\u5316<\/strong>\uff1a\u4f7f\u7528\u6570\u636e\u5e93\u5b58\u50a8<\/li>\n\n\n\n<li><strong>\u9700\u8981\u8bed\u4e49\u68c0\u7d22<\/strong>\uff1a\u4f7f\u7528\u5411\u91cf\u6570\u636e\u5e93<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">6.1 \u6838\u5fc3\u8981\u70b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8bb0\u5fc6 \u2260 \u65e5\u5fd7<\/strong>\uff1a\u8bb0\u5fc6\u662f\u8bed\u4e49\u5316\u7684\u667a\u80fd\u77e5\u8bc6\u7cfb\u7edf\uff0c\u4e0d\u662f\u7b80\u5355\u7684\u65e5\u5fd7\u8bb0\u5f55<\/li>\n\n\n\n<li><strong>QwenAgent \u7684\u8bb0\u5fc6 = RAG<\/strong>\uff1a\u672c\u8d28\u662f\u5916\u90e8\u77e5\u8bc6\u5e93\u68c0\u7d22\u7cfb\u7edf<\/li>\n\n\n\n<li><strong>\u591a\u8f6e\u5bf9\u8bdd\u8bb0\u5fc6\u7684\u6838\u5fc3\u6311\u6218<\/strong>\uff1atoken \u9650\u5236\u4e0b\u7684\u4fe1\u606f\u4fdd\u7559<\/li>\n\n\n\n<li><strong>\u4e3b\u6d41\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u6458\u8981\u538b\u7f29\u3001RAG \u68c0\u7d22\u3001\u5206\u5c42\u8bb0\u5fc6<\/li>\n\n\n\n<li><strong>\u6700\u4f73\u5b9e\u8df5<\/strong>\uff1a\u6df7\u5408\u7b56\u7565\uff0c\u6839\u636e\u573a\u666f\u9009\u62e9\u5408\u9002\u65b9\u6848<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">6.2 \u672a\u6765\u5c55\u671b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u667a\u80fd\u7684\u538b\u7f29\u7b97\u6cd5\uff1a\u4fdd\u7559\u66f4\u591a\u5173\u952e\u4fe1\u606f<\/li>\n\n\n\n<li>\u66f4\u9ad8\u6548\u7684\u68c0\u7d22\u673a\u5236\uff1a\u5feb\u901f\u5b9a\u4f4d\u76f8\u5173\u5386\u53f2<\/li>\n\n\n\n<li>\u66f4\u81ea\u7136\u7684\u8bb0\u5fc6\u66f4\u65b0\uff1a\u81ea\u52a8\u8bc6\u522b\u91cd\u8981\u4fe1\u606f<\/li>\n\n\n\n<li>\u66f4\u5f3a\u5927\u7684\u4e0a\u4e0b\u6587\u7406\u89e3\uff1a\u66f4\u597d\u5730\u5229\u7528\u5386\u53f2\u4fe1\u606f<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/QwenLM\/Qwen-Agent\">Qwen-Agent GitHub \u4ed3\u5e93<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/python.langchain.com\/docs\/modules\/memory\/\">LangChain Memory \u6587\u6863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/arxiv.org\/abs\/2310.08560\">MemGPT \u8bba\u6587<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/arxiv.org\/abs\/2005.11401\">RAG \u6280\u672f\u8be6\u89e3<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 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