{"id":110155,"date":"2026-09-26T09:09:21","date_gmt":"2026-09-26T01:09:21","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/110155.html"},"modified":"2026-09-26T09:09:21","modified_gmt":"2026-09-26T01:09:21","slug":"%e4%b8%80%e6%96%87%e5%b8%a6%e4%bd%a0%e7%b2%be%e9%80%9a%e7%bb%84%e5%90%88%e6%a8%a1%e5%bc%8f%ef%bc%9a%e7%bb%9f%e4%b8%80%e5%a4%84%e7%90%86%e5%8d%95%e4%b8%aa%e4%b8%8e%e7%bb%84%e5%90%88%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/110155.html","title":{"rendered":"\u4e00\u6587\u5e26\u4f60\u7cbe\u901a\u7ec4\u5408\u6a21\u5f0f\uff1a\u7edf\u4e00\u5904\u7406\u5355\u4e2a\u4e0e\u7ec4\u5408\u5bf9\u8c61"},"content":{"rendered":"<h2>\u60f3\u7edf\u4e00\u5904\u7406\u5355\u4e2a\u4e0e\u7ec4\u5408\u5bf9\u8c61&#xff1f;\u7528\u7ec4\u5408\u6a21\u5f0f<\/h2>\n<p>\u5173\u952e\u8bcd&#xff1a;\u7ec4\u5408\u6a21\u5f0f\u3001Composite\u3001\u8bbe\u8ba1\u6a21\u5f0f\u3001\u6811\u5f62\u7ed3\u6784\u3001Agent \u4efb\u52a1\u6811<\/p>\n<hr \/>\n<h3>\u76ee\u5f55<\/h3>\n<ul>\n<li>\u4e00\u3001\u5148\u770b\u770b&#034;\u6ca1\u6709\u5b83&#034;\u65f6\u600e\u4e48\u5199<\/li>\n<li>\u4e8c\u3001\u7ec4\u5408\u6a21\u5f0f\u7684\u9aa8\u67b6&#xff1a;\u4e09\u4e2a\u89d2\u8272\u4e00\u6bb5\u4ee3\u7801\u8bb2\u6e05<\/li>\n<li>\u4e09\u3001\u8d70\u67e5\u4e00\u6b21\u8c03\u7528&#xff1a;\u5ba2\u6237\u7aef\u53ea\u8c03\u6839&#xff0c;\u6811\u81ea\u5df1\u8dd1\u5b8c<\/li>\n<li>\u56db\u3001child-management \u653e\u54ea&#xff1f;\u900f\u660e\u5f0f\u4e0e\u5b89\u5168\u5f0f\u7684\u53d6\u820d<\/li>\n<li>\u4e94\u3001\u51e0\u4e2a\u5bb9\u6613\u8e29\u7684\u5751<\/li>\n<li>\u516d\u3001\u5728\u5927\u6a21\u578b\u5de5\u7a0b\u91cc\u5b83\u51fa\u73b0\u5728\u54ea<\/li>\n<li>\u4e03\u3001\u4ec0\u4e48\u65f6\u5019\u8be5\u4e0a\u3001\u4ec0\u4e48\u65f6\u5019\u522b\u4e0a<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<h3>\u4e00\u3001\u5148\u770b\u770b&#034;\u6ca1\u6709\u5b83&#034;\u65f6\u600e\u4e48\u5199<\/h3>\n<p>\u5047\u8bbe\u4f60\u8981\u5728\u7cfb\u7edf\u91cc\u7ba1\u7406\u4e00\u4efd\u6587\u4ef6\u6e05\u5355&#xff0c;\u65e2\u80fd\u7b97\u5355\u4e2a\u6587\u4ef6\u7684\u5927\u5c0f&#xff0c;\u4e5f\u80fd\u7b97\u4e00\u6574\u4e2a\u6587\u4ef6\u5939\u7684\u5927\u5c0f\u3002\u6700\u76f4\u89c9\u7684\u5199\u6cd5\u5927\u6982\u662f\u8fd9\u6837&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u53cd\u4f8b&#xff1a;\u6ca1\u6709\u7ec4\u5408\u6a21\u5f0f\u65f6&#xff0c;\u5ba2\u6237\u7aef\u88ab\u8feb\u533a\u5206&#034;\u5355\u4e2a&#034;\u548c&#034;\u4e00\u7ec4&#034;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> size<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">,<\/span> size<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>size<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Folder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>children <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> c <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>children<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">print_size<\/span><span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6bcf\u78b0\u5230\u4e00\u4e2a\u8282\u70b9&#xff0c;\u90fd\u8981\u5148\u5224\u65ad\u5b83\u5230\u5e95\u662f\u54ea\u4e00\u79cd<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">isinstance<\/span><span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">,<\/span> Folder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5939\u5927\u5c0f&#034;<\/span><span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> <span class=\"token builtin\">isinstance<\/span><span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">,<\/span> File<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5927\u5c0f&#034;<\/span><span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u660e\u5929\u52a0\u4e00\u4e2a&#034;\u5feb\u6377\u65b9\u5f0f&#034;\u8282\u70b9&#xff1f;\u8fd9\u91cc\u53c8\u5f97\u6539\u4e00\u5904\u5206\u652f<\/span><\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u80fd\u8dd1&#xff0c;\u4f46\u85cf\u7740\u4e09\u4e2a\u9ebb\u70e6&#xff1a;\u7b2c\u4e00&#xff0c;print_size \u8fd9\u7c7b\u64cd\u4f5c\u6bcf\u5199\u4e00\u6b21\u90fd\u8981\u91cd\u590d isinstance \u5224\u65ad&#xff1b;\u7b2c\u4e8c&#xff0c;\u4e00\u65e6\u65b0\u589e\u4e00\u79cd\u8282\u70b9\u7c7b\u578b&#xff0c;\u6240\u6709\u505a\u8fc7\u7c7b\u578b\u5224\u65ad\u7684\u5730\u65b9\u90fd\u5f97\u8ddf\u7740\u6539&#xff0c;\u8fdd\u53cd\u5f00\u95ed\u539f\u5219&#xff1b;\u7b2c\u4e09&#xff0c;\u9012\u5f52\u7684&#034;\u6811&#034;\u7ed3\u6784\u88ab\u57cb\u5728\u4e86 Folder.get_size \u5185\u90e8&#xff0c;\u5ba2\u6237\u7aef\u6839\u672c\u611f\u77e5\u4e0d\u5230\u81ea\u5df1\u5176\u5b9e\u5728\u5904\u7406\u4e00\u68f5\u5d4c\u5957\u5f88\u6df1\u7684\u6811\u3002\u8fd9\u79cd\u300c\u7c7b\u578b\u5224\u65ad\u6563\u843d\u5404\u5904\u300d\u7684\u5199\u6cd5&#xff0c;\u5728\u83dc\u5355\u7cfb\u7edf\u91cc\u66f4\u660e\u663e&#xff1a;\u4e00\u4e2a\u83dc\u5355\u9879&#xff08;\u53f6\u5b50&#xff09;\u548c\u4e00\u4e2a\u5b50\u83dc\u5355&#xff08;\u5bb9\u5668&#xff09;\u90fd\u5f97\u80fd\u300c\u70b9\u51fb \/ \u6e32\u67d3 \/ \u7b97\u5feb\u6377\u952e\u300d&#xff0c;\u6734\u7d20\u5199\u6cd5\u4f1a\u8ba9 on_click \u91cc\u585e\u6ee1\u300c\u5982\u679c\u662f\u5b50\u83dc\u5355\u5219\u5c55\u5f00\u3001\u5426\u5219\u6267\u884c\u300d\u3002\u66f4\u7cdf\u7684\u662f&#xff0c;\u83dc\u5355\u5c42\u7ea7\u4e00\u6df1&#xff0c;\u8fd9\u7c7b\u5224\u65ad\u4f1a\u9010\u5c42\u590d\u5236\u3002\u7ec4\u5408\u6a21\u5f0f\u7684\u4ef7\u503c&#xff0c;\u5c31\u662f\u628a\u8fd9\u4e9b\u6563\u843d\u7684 if \u6536\u62e2\u8fdb\u6811\u81ea\u5df1\u7684\u9012\u5f52\u91cc&#xff0c;\u8ba9\u4e0a\u5c42\u53ea\u7ba1\u300c\u70b9\u4e00\u4e0b\u300d&#xff0c;\u81f3\u4e8e\u70b9\u7684\u662f\u9879\u8fd8\u662f\u83dc\u5355&#xff0c;\u4ea4\u7ed9\u6811\u81ea\u5df1\u51b3\u5b9a\u3002<\/p>\n<p>\u5f53\u8282\u70b9\u7c7b\u578b\u4ece\u4e24\u4e09\u79cd\u6da8\u5230\u5341\u51e0\u79cd\u3001\u6811\u7684\u6df1\u5ea6\u4ece\u4e24\u5c42\u6da8\u5230\u5341\u51e0\u5c42\u65f6&#xff0c;\u8fd9\u79cd\u5199\u6cd5\u4f1a\u8fc5\u901f\u5931\u63a7\u2014\u2014\u5b83\u4e0d\u662f\u300c\u5c0f\u9879\u76ee\u65e0\u6240\u8c13\u300d\u7684\u5c0f\u6bdb\u75c5&#xff0c;\u800c\u662f\u4f1a\u968f\u7cfb\u7edf\u957f\u5927\u800c\u653e\u5927\u7684\u7ed3\u6784\u6027\u503a\u52a1\u3002\u7ec4\u5408\u6a21\u5f0f&#xff08;Composite Pattern&#xff0c;GoF \u5728 1994 \u5e74\u300a\u8bbe\u8ba1 Patterns\u300b\u4e2d\u7cfb\u7edf\u63d0\u51fa\u7684 23 \u4e2a\u7ecf\u5178\u6a21\u5f0f\u4e4b\u4e00&#xff09;\u8981\u89e3\u51b3\u7684\u6b63\u662f\u8fd9\u4ef6\u4e8b&#xff1a;\u628a&#034;\u5355\u4e2a\u5bf9\u8c61&#034;\u548c&#034;\u5bf9\u8c61\u7ec4\u5408&#034;\u653e\u8fdb\u540c\u4e00\u4e2a\u63a5\u53e3\u91cc&#xff0c;\u8ba9\u8c03\u7528\u65b9\u5b8c\u5168\u4e0d\u5fc5\u5173\u5fc3\u81ea\u5df1\u624b\u91cc\u5230\u5e95\u662f\u53f6\u5b50\u8fd8\u662f\u5bb9\u5668\u3002<\/p>\n<p>\u7528 GoF \u7684\u539f\u8bdd\u6982\u62ec\u5b83\u7684\u610f\u56fe&#xff1a;\u5c06\u5bf9\u8c61\u7ec4\u5408\u6210\u6811\u5f62\u7ed3\u6784\u4ee5\u8868\u793a\u300c\u90e8\u5206\u2014\u6574\u4f53\u300d\u7684\u5c42\u6b21\u7ed3\u6784&#xff0c;\u5e76\u8ba9\u5ba2\u6237\u7aef\u5bf9\u5355\u4e2a\u5bf9\u8c61\u548c\u7ec4\u5408\u5bf9\u8c61\u7684\u4f7f\u7528\u5177\u6709\u4e00\u81f4\u6027\u3002\u5173\u952e\u8bcd\u662f\u300c\u90e8\u5206\u2014\u6574\u4f53\u300d\u2014\u2014\u53ea\u8981\u4f60\u7684\u6570\u636e\u5929\u7136\u957f\u6210\u4e00\u68f5\u6811\u3001\u800c\u4e14\u4f60\u60f3\u5bf9\u6811\u53f6\u5b50\u548c\u6811\u6839\u7528\u540c\u4e00\u5957\u64cd\u4f5c&#xff0c;\u5b83\u5c31\u662f\u9996\u9009\u5019\u9009\u3002\u6587\u4ef6\u7cfb\u7edf\u7684\u6587\u4ef6\u4e0e\u76ee\u5f55\u3001GUI \u7684\u63a7\u4ef6\u4e0e\u5bb9\u5668\u3001\u516c\u53f8\u7684\u90e8\u95e8\u4e0e\u5458\u5de5\u3001\u7f16\u8bd1\u5668\u91cc\u7684\u8868\u8fbe\u5f0f\u6811&#xff0c;\u5e95\u5c42\u90fd\u662f\u540c\u4e00\u4e2a\u5957\u8def\u3002<\/p>\n<\/p>\n<h3>\u4e8c\u3001\u7ec4\u5408\u6a21\u5f0f\u7684\u9aa8\u67b6&#xff1a;\u4e09\u4e2a\u89d2\u8272\u4e00\u6bb5\u4ee3\u7801\u8bb2\u6e05<\/h3>\n<p>\u7ec4\u5408\u6a21\u5f0f\u7684\u7ed3\u6784\u975e\u5e38\u7a33\u5b9a&#xff0c;\u53ea\u6709\u4e09\u4e2a\u89d2\u8272\u3002\u4e0b\u9762\u8fd9\u6bb5\u5c31\u662f\u7528 Python \u5199\u51fa\u6765\u7684\u4e00\u68f5&#034;\u6587\u4ef6\u7cfb\u7edf\u6811&#034;&#xff0c;\u5efa\u8bae\u8fb9\u8bfb\u8fb9\u5bf9\u7167\u4e09\u4e2a\u89d2\u8272\u7684\u804c\u8d23\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> abc <span class=\"token keyword\">import<\/span> ABC<span class=\"token punctuation\">,<\/span> abstractmethod<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileSystemNode<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Component&#xff1a;\u58f0\u660e\u53f6\u5b50\u4e0e\u5bb9\u5668\u3010\u5171\u6709\u7684\u3011\u64cd\u4f5c&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p>    <span class=\"token comment\"># \u3010\u5b50\u8282\u70b9\u7ba1\u7406\u3011\u900f\u660e\u5f0f\u5199\u6cd5&#xff1a;\u58f0\u660e\u5728 Component \u4e0a<\/span><br \/>\n    <span class=\"token comment\"># \u53f6\u5b50\u8282\u70b9\u6ca1\u5b69\u5b50&#xff0c;\u6240\u4ee5\u9ed8\u8ba4\u7528\u5f02\u5e38\u62d2\u7edd&#xff0c;\u800c\u4e0d\u662f\u6084\u6084\u5ffd\u7565<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;FileSystemNode&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">raise<\/span> NotImplementedError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u53f6\u5b50\u8282\u70b9\u4e0d\u652f\u6301 add&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;FileSystemNode&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">raise<\/span> NotImplementedError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u53f6\u5b50\u8282\u70b9\u4e0d\u652f\u6301 remove&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>FileSystemNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Leaf&#xff1a;\u539f\u5b50\u8282\u70b9&#xff0c;\u6ca1\u6709\u5b50\u8282\u70b9&#xff0c;\u76f4\u63a5\u5e72\u6d3b&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> size<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">,<\/span> size<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>size<br \/>\n    <span class=\"token comment\"># add \/ remove \u76f4\u63a5\u7ee7\u627f\u7236\u7c7b\u7684 NotImplementedError&#xff0c;\u65e0\u9700\u91cd\u5199<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Folder<\/span><span class=\"token punctuation\">(<\/span>FileSystemNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Composite&#xff1a;\u5bb9\u5668\u8282\u70b9&#xff0c;\u6301\u6709\u5b50\u7ec4\u4ef6\u5e76\u9012\u5f52\u59d4\u6258&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>children <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u5173\u952e&#xff1a;\u628a\u8bf7\u6c42\u9012\u5f52\u4e0b\u53d1\u7ed9\u6bcf\u4e2a\u5b69\u5b50&#xff0c;\u81ea\u5df1\u53ea\u505a\u805a\u5408<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span>child<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> child <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>children<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;FileSystemNode&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>children<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;FileSystemNode&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>children<span class=\"token punctuation\">.<\/span>remove<span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4e09\u4e2a\u89d2\u8272\u9010\u4e00\u62c6\u5f00\u770b&#xff1a;<\/p>\n<p>\u5148\u8bb0\u4f4f\u4e00\u4e2a\u8ba9\u540e\u9762\u90fd\u4e0d\u7ed5\u7684\u70b9&#xff1a;\u9012\u5f52\u4e4b\u6240\u4ee5\u4f1a\u7ec8\u6b62&#xff0c;\u662f\u56e0\u4e3a\u6811\u91cc\u4e00\u5b9a\u6709\u53f6\u5b50\u2014\u2014Leaf.get_size \u4e0d\u518d\u5411\u4e0b\u8f6c\u53d1&#xff0c;\u9012\u5f52\u5230\u6b64\u6536\u655b\u3002\u8fd9\u4e5f\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u7ec4\u5408\u6a21\u5f0f\u4e0d\u80fd\u7528\u4e8e\u56fe&#xff1a;\u56fe\u91cc\u6ca1\u6709\u5929\u7136\u7684\u300c\u53f6\u5b50\u300d&#xff0c;\u4e00\u4e2a\u8282\u70b9\u53ef\u80fd\u65e2\u662f\u522b\u4eba\u7684\u7236\u3001\u53c8\u662f\u522b\u4eba\u7684\u5b50&#xff0c;\u9012\u5f52\u627e\u4e0d\u5230\u7ec8\u6b62\u8fb9\u754c\u3002\u53ea\u8981\u5b88\u4f4f\u300c\u6811\u300d\u8fd9\u4e2a\u524d\u63d0&#xff0c;\u4e0b\u9762\u7684\u5c55\u5f00\u90fd\u4e0d\u4f1a\u5931\u63a7\u3002<\/p>\n<p>\u987a\u5e26\u8bf4\u4e0b\u540d\u5b57&#xff1a;Composite \u76f4\u8bd1\u662f\u300c\u7ec4\u5408\u300d&#xff0c;\u6307\u7684\u662f\u300c\u628a\u5bf9\u8c61\u7ec4\u5408\u6210\u6811\u300d\u8fd9\u4e2a\u52a8\u4f5c\u2014\u2014\u4e0d\u662f\u300c\u7ec4\u5408\u4f18\u4e8e\u7ee7\u627f\u300d\u91cc\u90a3\u4e2a\u7ec4\u5408&#xff08;\u90a3\u662f has-a \u5173\u7cfb&#xff0c;\u548c\u672c\u6a21\u5f0f\u662f\u4e24\u56de\u4e8b&#xff0c;\u522b\u6df7&#xff09;\u3002\u5b83\u7684\u7cbe\u9ad3\u59cb\u7ec8\u662f\u300c\u7528\u540c\u4e00\u4e2a\u63a5\u53e3&#xff0c;\u628a\u5355\u4e2a\u4e0e\u7ec4\u5408\u4e00\u89c6\u540c\u4ec1\u300d\u3002\u5ba2\u6237\u7aef\u4ece\u5934\u5230\u5c3e\u53ea\u6301\u6709 Component \u7c7b\u578b\u7684\u5f15\u7528&#xff0c;\u81f3\u4e8e\u8fd9\u5f15\u7528\u80cc\u540e\u662f File \u8fd8\u662f Folder&#xff0c;\u5b83\u4ece\u4e0d\u9700\u8981\u77e5\u9053\u3002<\/p>\n<ul>\n<li>Component&#xff08;\u62bd\u8c61\u7ec4\u4ef6&#xff09;&#xff1a;FileSystemNode \u662f\u6574\u68f5\u6811\u7684&#034;\u5951\u7ea6&#034;\u3002\u5b83\u5e72\u4e24\u4ef6\u4e8b\u2014\u2014\u58f0\u660e\u6240\u6709\u8282\u70b9\u90fd\u8981\u6709\u7684\u64cd\u4f5c&#xff08;\u8fd9\u91cc\u662f get_size&#xff09;&#xff0c;\u4ee5\u53ca&#xff08;\u5728\u900f\u660e\u5f0f\u5199\u6cd5\u91cc&#xff09;\u58f0\u660e\u5b50\u8282\u70b9\u7ba1\u7406\u64cd\u4f5c&#xff08;add\/remove&#xff09;\u3002\u628a\u516c\u5171\u884c\u4e3a\u63d0\u5230\u8fd9\u4e00\u5c42&#xff0c;\u662f\u8ba9\u53f6\u5b50\u4e0e\u5bb9\u5668&#034;\u957f\u5f97\u4e00\u6837&#034;\u7684\u524d\u63d0\u3002<\/li>\n<li>Leaf&#xff08;\u53f6\u5b50&#xff09;&#xff1a;File \u662f\u9012\u5f52\u7684\u7ec8\u70b9\u3002\u5b83\u6ca1\u6709\u5b50\u8282\u70b9&#xff0c;\u6240\u4ee5 get_size \u76f4\u63a5\u8fd4\u56de\u81ea\u8eab\u5927\u5c0f\u3002\u6ce8\u610f\u5b83\u6ca1\u6709\u91cd\u5199 add\/remove&#xff0c;\u4e8e\u662f\u7ee7\u627f\u4e86\u7236\u7c7b\u7684&#034;\u629b\u5f02\u5e38&#034;\u5b9e\u73b0\u2014\u2014\u8fd9\u6b63\u597d\u8868\u8fbe\u4e86&#034;\u6587\u4ef6\u4e0d\u80fd\u6302\u5b69\u5b50&#034;\u8fd9\u4e2a\u4e8b\u5b9e\u3002<\/li>\n<li>Composite&#xff08;\u5bb9\u5668&#xff09;&#xff1a;Folder \u6301\u6709 children \u5217\u8868\u3002\u5b83\u5b9e\u73b0 get_size \u65f6\u4e0d\u662f\u81ea\u5df1\u7b97&#xff0c;\u800c\u662f\u628a\u8bf7\u6c42\u9010\u4e2a\u8f6c\u53d1\u7ed9\u5b69\u5b50&#xff0c;\u6700\u540e\u628a\u7ed3\u679c\u805a\u5408\u6210\u81ea\u5df1\u7684\u8fd4\u56de\u503c\u3002\u8fd9\u4e00\u884c sum(child.get_size() &#8230;) \u5c31\u662f\u6574\u68f5\u6811\u80fd\u88ab&#034;\u7edf\u4e00\u5904\u7406&#034;\u7684\u53d1\u52a8\u673a\u3002<\/li>\n<\/ul>\n<p>\u5199 Component \u65f6\u6709\u4e2a\u53cd\u76f4\u89c9\u7684\u514b\u5236&#xff1a;\u63a5\u53e3\u8981\u5c3d\u91cf\u5c0f\u3002\u7ec4\u5408\u6a21\u5f0f\u7684\u7edf\u4e00\u6027\u6765\u81ea\u300c\u53f6\u5b50\u4e0e\u5bb9\u5668\u5171\u4eab\u540c\u4e00\u7ec4\u64cd\u4f5c\u300d&#xff0c;\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u8981\u628a\u6240\u6709\u80fd\u60f3\u5230\u7684\u64cd\u4f5c\u90fd\u585e\u8fdb Component\u3002\u53ea\u6709\u90a3\u4e9b\u53f6\u5b50\u4e0e\u5bb9\u5668\u300c\u771f\u7684\u90fd\u8981\u505a\u300d\u7684\u64cd\u4f5c\u624d\u8be5\u4e0a\u63d0&#xff08;\u6bd4\u5982 get_size&#xff09;&#xff1b;\u800c\u53ea\u5728\u5bb9\u5668\u6709\u610f\u4e49\u3001\u4e14\u4f60\u9009\u4e86\u5b89\u5168\u5f0f\u624d\u653e\u7684 add\/remove \u53e6\u8bf4\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u8fc7\u5ea6\u8bbe\u8ba1\u662f&#xff1a;\u628a\u67d0\u4e2a\u53ea\u5c5e\u4e8e\u7279\u5b9a\u5b50\u7c7b\u7684\u7279\u6b8a\u884c\u4e3a\u4e5f\u63d0\u4e0a\u6765&#xff0c;\u7ed3\u679c\u5927\u90e8\u5206\u8282\u70b9\u90fd\u53ea\u80fd\u629b\u51fa\u300c\u4e0d\u652f\u6301\u300d\u2014\u2014\u8fd9\u6070\u6070\u662f\u628a\u6a21\u5f0f\u7528\u53cd\u4e86\u3002\u5224\u65ad\u6807\u51c6\u5f88\u6734\u7d20&#xff1a;\u5982\u679c\u4e00\u4e2a\u65b9\u6cd5\u5728\u591a\u6570\u8282\u70b9\u4e0a\u90fd\u662f\u5f02\u5e38\u6216\u7a7a\u5b9e\u73b0&#xff0c;\u5b83\u5927\u6982\u7387\u4e0d\u8be5\u5f85\u5728 Component \u91cc\u3002\u8fd8\u6709\u4e00\u4e2a GoF \u63d0\u5230\u7684\u7ec6\u8282&#xff1a;Component \u53ef\u4ee5\u7ed9\u67d0\u4e9b\u64cd\u4f5c\u63d0\u4f9b\u9ed8\u8ba4\u5b9e\u73b0&#xff0c;\u800c\u4e0d\u53ea\u662f\u62bd\u8c61\u65b9\u6cd5\u3002\u6bd4\u5982 get_child(i) \u5728 Component \u4e0a\u9ed8\u8ba4\u8fd4\u56de None&#xff0c;Leaf \u76f4\u63a5\u7ee7\u627f\u8fd9\u4e2a\u9ed8\u8ba4\u503c\u3001Composite \u518d\u6309\u9700\u8986\u5199\u3002\u8fd9\u6837 Leaf \u4e0d\u5fc5\u4e3a\u6bcf\u4e2a\u5bb9\u5668\u65b9\u6cd5\u90fd\u5199\u4e00\u904d\u300c\u629b\u5f02\u5e38\u300d&#xff0c;\u80fd\u5c11\u4e0d\u5c11\u6837\u677f\u3002\u4f46\u522b\u6ee5\u7528\u2014\u2014\u9ed8\u8ba4\u5b9e\u73b0\u5e94\u5f53\u300c\u8bed\u4e49\u4e0a\u5bf9\u6240\u6709\u8282\u70b9\u90fd\u5408\u7406\u300d&#xff0c;\u5426\u5219\u53c8\u4f1a\u9000\u5316\u6210\u300c\u5047\u88c5\u652f\u6301\u300d\u3002<\/p>\n<p>\u628a\u8282\u70b9\u7c7b\u578b\u4ece\u4e24\u4e2a&#xff08;File\/Folder&#xff09;\u6269\u5c55\u5230\u4efb\u610f\u591a\u4e2a\u65f6&#xff0c;\u5ba2\u6237\u7aef\u4ee3\u7801\u4e00\u884c\u90fd\u4e0d\u7528\u6539\u2014\u2014\u8fd9\u6b63\u662f\u7ec4\u5408\u6a21\u5f0f\u5bf9\u5f00\u95ed\u539f\u5219\u7684\u5151\u73b0&#xff1a;\u65b0\u589e\u8282\u70b9\u7c7b\u578b&#xff0c;\u4e0d\u6539\u904d\u5386\u903b\u8f91\u3002<\/p>\n<\/p>\n<h3>\u4e09\u3001\u8d70\u67e5\u4e00\u6b21\u8c03\u7528&#xff1a;\u5ba2\u6237\u7aef\u53ea\u8c03\u6839&#xff0c;\u6811\u81ea\u5df1\u8dd1\u5b8c<\/h3>\n<p>\u5149\u770b\u7c7b\u56fe\u8fd8\u4e0d\u591f&#xff0c;\u771f\u6b63\u7406\u89e3\u7ec4\u5408\u6a21\u5f0f\u8981\u770b&#034;\u4e00\u6b21\u8c03\u7528\u662f\u600e\u4e48\u5728\u6811\u91cc\u6d41\u52a8\u7684&#034;\u3002\u4e0b\u9762\u8fd9\u6bb5\u5ba2\u6237\u7aef\u4ee3\u7801&#xff0c;\u5ba2\u6237\u7aef\u4ece\u5934\u5230\u5c3e\u53ea\u505a\u4e86\u4e00\u4ef6\u4e8b&#xff1a;\u5bf9\u6839\u8282\u70b9\u8c03\u4e00\u6b21 get_size\u3002<\/p>\n<p>root <span class=\"token operator\">&#061;<\/span> Folder<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;root&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nroot<span class=\"token punctuation\">.<\/span>add<span class=\"token punctuation\">(<\/span>File<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;a.txt&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>docs <span class=\"token operator\">&#061;<\/span> Folder<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;docs&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndocs<span class=\"token punctuation\">.<\/span>add<span class=\"token punctuation\">(<\/span>File<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;b.txt&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\nroot<span class=\"token punctuation\">.<\/span>add<span class=\"token punctuation\">(<\/span>docs<span class=\"token punctuation\">)<\/span>            <span class=\"token comment\"># \u628a docs \u8fd9\u4e2a&#034;\u5bb9\u5668&#034;\u6302\u5230 root \u4e0b<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\"># \u8f93\u51fa 30&#xff0c;\u5ba2\u6237\u7aef\u5b8c\u5168\u4e0d\u77e5\u9053\u6709\u5d4c\u5957<\/span><\/p>\n<p>\u8c03\u7528\u94fe\u8def\u662f\u8fd9\u6837\u5c55\u5f00\u7684&#xff1a;<\/p>\n<li>\u5ba2\u6237\u7aef\u8c03 root.get_size()&#xff0c;\u5b83\u6839\u672c\u4e0d\u5728\u4e4e root \u91cc\u9762\u662f\u6587\u4ef6\u8fd8\u662f\u6587\u4ef6\u5939\u3002<\/li>\n<li>root&#xff08;Composite&#xff09;\u6267\u884c sum(child.get_size() &#8230;)&#xff0c;\u904d\u5386\u81ea\u5df1\u7684\u5b69\u5b50&#xff1a;a.txt \u548c docs\u3002<\/li>\n<li>a.txt&#xff08;Leaf&#xff09;\u76f4\u63a5\u8fd4\u56de 10&#xff1b;docs&#xff08;Composite&#xff09;\u53c8\u53bb sum \u5b83\u81ea\u5df1\u7684\u5b69\u5b50\u3002<\/li>\n<li>docs \u7684\u5b69\u5b50 b.txt&#xff08;Leaf&#xff09;\u8fd4\u56de 20&#xff0c;docs \u805a\u5408\u51fa 20&#xff0c;root \u518d\u805a\u5408\u6210 10 &#043; 20 &#061; 30\u3002<\/li>\n<p>\u6574\u6761\u94fe\u8def\u4e0a&#xff0c;\u5ba2\u6237\u7aef\u6ca1\u6709\u5199\u4efb\u4f55 if\u3001\u6ca1\u6709\u4efb\u4f55\u5faa\u73af\u53bb&#034;\u624b\u52a8\u8d70\u6811&#034;\u3002\u9012\u5f52\u4e0b\u53d1\u7684\u903b\u8f91\u88ab\u5c01\u88c5\u8fdb\u4e86 Composite \u5185\u90e8&#xff0c;\u5bf9\u5916\u53ea\u66b4\u9732\u4e00\u4e2a\u548c Leaf \u4e00\u6a21\u4e00\u6837\u7684 get_size\u3002\u8fd9\u6b63\u662f\u7ec4\u5408\u6a21\u5f0f\u6700\u6838\u5fc3\u7684\u4f53\u9a8c&#xff1a;\u4f60\u8c03\u7528\u7684\u662f&#034;\u4e00\u4e2a\u5bf9\u8c61&#034;&#xff0c;\u8dd1\u8d77\u6765\u7684\u5374\u662f&#034;\u4e00\u6574\u68f5\u6811&#034;\u3002<\/p>\n<p>\u8fd9\u5e26\u6765\u7684\u771f\u6b63\u7ea2\u5229\u662f\u5f00\u95ed\u539f\u5219&#xff1a;\u5f53\u4f60\u8981\u65b0\u589e\u4e00\u79cd\u8282\u70b9\u2014\u2014\u6bd4\u5982\u4e00\u4e2a\u300c\u8f6f\u94fe\u63a5\u300d\u8282\u70b9&#xff08;\u5b83\u81ea\u5df1\u4e0d\u5b58\u5185\u5bb9&#xff0c;\u53ea\u6307\u5411\u53e6\u4e00\u4e2a\u8282\u70b9&#xff09;\u2014\u2014\u53ea\u8981\u8ba9\u5b83\u5b9e\u73b0 FileSystemNode\u3001\u7ed9\u51fa\u81ea\u5df1\u7684 get_size&#xff08;\u8fd4\u56de\u88ab\u6307\u5411\u8282\u70b9\u7684 size&#xff09;&#xff0c;\u5ba2\u6237\u7aef\u90a3\u6bb5 print(root.get_size()) \u4e00\u4e2a\u5b57\u90fd\u4e0d\u7528\u6539\u3002\u904d\u5386\u903b\u8f91\u53ea\u8ba4 Component \u63a5\u53e3\u3001\u4e0d\u8ba4\u5177\u4f53\u7c7b\u578b&#xff0c;\u6240\u4ee5\u65b0\u7c7b\u578b\u5929\u7136\u300c\u63d2\u8fdb\u6811\u91cc\u5c31\u80fd\u7528\u300d\u3002\u53cd\u8fc7\u6765\u770b&#xff0c;\u5982\u679c\u6ca1\u6709\u7ec4\u5408\u6a21\u5f0f&#xff0c;\u6bcf\u52a0\u4e00\u79cd\u8282\u70b9&#xff0c;\u6240\u6709 isinstance \u5206\u652f\u90fd\u8981\u8865\u4e00\u5200&#xff0c;\u4ee3\u7801\u4f1a\u968f\u8282\u70b9\u7c7b\u578b\u7ebf\u6027\u81a8\u80c0\u3002<\/p>\n<p>\u628a\u4f8b\u5b50\u518d\u62c9\u957f\u4e00\u5c42\u4e5f\u4e0d\u6539\u53d8\u5ba2\u6237\u7aef&#xff1a;\u54ea\u6015 docs \u4e0b\u9762\u8fd8\u5957\u4e86 2026\/\u30012026\/09\/\u300109\/ \u4e09\u7ea7\u76ee\u5f55&#xff0c;\u5ba2\u6237\u7aef\u4f9d\u65e7\u53ea\u8c03 root.get_size()\u2014\u2014\u65b0\u589e\u7684\u5c42\u7ea7\u5bf9\u8c03\u7528\u65b9\u5b8c\u5168\u900f\u660e\u3002\u8fd9\u6b63\u662f\u300c\u7ec4\u5408\u300d\u4e8c\u5b57\u7684\u542b\u4e49&#xff1a;\u65e0\u8bba\u5d4c\u5957\u591a\u6df1&#xff0c;\u5bf9\u5916\u90fd\u8868\u73b0\u6210\u300c\u4e00\u4e2a\u5bf9\u8c61\u300d\u3002<\/p>\n<p>\u628a\u8fd9\u4e2a\u300c\u4e0d\u611f\u77e5\u300d\u5199\u6210\u4e00\u4e2a\u901a\u7528\u51fd\u6570\u5c31\u66f4\u6e05\u695a\u4e86&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5ba2\u6237\u7aef\u53ea\u8ba4 Component&#xff0c;\u5bf9\u4efb\u4f55\u8282\u70b9\u4e00\u89c6\u540c\u4ec1<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">client_code<\/span><span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">:<\/span> FileSystemNode<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> node<span class=\"token punctuation\">.<\/span>get_size<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># \u4e0d\u7ba1 node \u662f File \u8fd8\u662f Folder<\/span><\/p>\n<p>client_code \u7684\u7b7e\u540d\u91cc\u5b8c\u5168\u6ca1\u6709 if&#xff0c;\u4e5f\u6ca1\u6709 isinstance\u3002\u5b83\u80fd\u88ab\u4f20\u8fdb\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u2014\u2014\u5355\u4e2a\u6587\u4ef6\u3001\u5341\u5c42\u6df1\u7684\u76ee\u5f55\u6811\u3001\u751a\u81f3\u4e00\u68f5\u6df7\u5408\u7740\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u4efb\u610f\u7ed3\u6784\u2014\u2014\u884c\u4e3a\u5b8c\u5168\u4e00\u81f4\u3002\u8fd9\u5c31\u662f\u7ec4\u5408\u6a21\u5f0f\u5bf9\u5916\u627f\u8bfa\u7684\u300c\u4e00\u81f4\u6027\u300d&#xff1a;\u8c03\u7528\u65b9\u770b\u5230\u7684\u4e16\u754c\u6c38\u8fdc\u662f\u300c\u4e00\u4e2a\u5bf9\u8c61\u300d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260926010914-6ab71b3a4244c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#xff08;\u56fe\u4e00&#xff1a;\u4e00\u6b21 get_size() \u7684\u9012\u5f52\u4e0b\u94bb\u2014\u2014\u5ba2\u6237\u7aef\u53ea\u8c03\u6839\u8282\u70b9&#xff0c;\u6811\u81ea\u5df1\u628a\u8bf7\u6c42\u9010\u5c42\u8f6c\u53d1\u5230\u53f6\u5b50\u518d\u805a\u5408\u56de\u6765&#xff09;<\/p>\n<p>\u987a\u5e26\u8bb0\u4e00\u4e2a\u590d\u6742\u5ea6\u7ed3\u8bba&#xff0c;\u540e\u9762\u8c03\u4f18\u65f6\u5f88\u6709\u7528&#xff1a;\u5bf9\u4e00\u68f5\u6709 n \u4e2a\u8282\u70b9\u3001\u6df1\u5ea6\u4e3a d \u7684\u6811&#xff0c;\u4e00\u6b21 operation() \u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f O(n)&#xff08;\u6bcf\u4e2a\u8282\u70b9\u53ea\u8bbf\u95ee\u4e00\u6b21&#xff09;&#xff0c;\u800c\u8c03\u7528\u6808\u6df1\u5ea6\u662f O(d)\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;\u8017\u65f6\u968f\u8282\u70b9\u6570\u7ebf\u6027\u589e\u957f&#xff0c;\u4f46\u6808\u5f00\u9500\u53ea\u8ddf\u6811\u7684&#034;\u6700\u6df1\u7684\u4e00\u6761\u679d&#034;\u6709\u5173\u3002<\/p>\n<\/p>\n<h3>\u56db\u3001child-management \u653e\u54ea&#xff1f;\u900f\u660e\u5f0f\u4e0e\u5b89\u5168\u5f0f\u7684\u53d6\u820d<\/h3>\n<p>\u5199\u9aa8\u67b6\u65f6\u6211\u7279\u610f\u628a add\/remove \u5199\u5728\u4e86 Component&#xff08;\u4e5f\u5c31\u662f FileSystemNode&#xff09;\u4e0a\u3002\u8fd9\u5176\u5b9e\u662f\u7ec4\u5408\u6a21\u5f0f\u91cc\u7b2c\u4e00\u4e2a\u3001\u4e5f\u662f\u6700\u5bb9\u6613\u7ea0\u7ed3\u7684\u8bbe\u8ba1\u51b3\u7b56\u3002<\/p>\n<h4>\u900f\u660e\u5f0f\u4e0e\u5b89\u5168\u5f0f&#xff0c;\u5230\u5e95\u600e\u4e48\u9009&#xff1f;<\/h4>\n<p>GoF \u7ed9\u51fa\u4e86\u4e24\u79cd\u6446\u6cd5&#xff0c;\u5dee\u522b\u53ea\u5728&#034;\u5b50\u8282\u70b9\u7ba1\u7406\u65b9\u6cd5&#034;\u58f0\u660e\u5728\u54ea\u4e2a\u7c7b&#xff1a;<\/p>\n<ul>\n<li>\u900f\u660e\u5f0f&#xff08;Transparent&#xff09;&#xff1a;\u628a add\/remove\/getChild \u5168\u5199\u5728 Component \u4e0a&#xff0c;\u4e8e\u662f Leaf \u548c Composite \u5bf9\u5916\u63a5\u53e3\u5b8c\u5168\u4e00\u81f4&#xff0c;\u5ba2\u6237\u7aef\u6c38\u8fdc\u4e0d\u9700\u8981\u8f6c\u578b&#xff0c;\u7edf\u4e00\u5f53 Component \u7528\u3002\u4ee3\u4ef7\u662f Leaf \u88ab\u8feb\u66b4\u9732\u4e86\u5b83\u6839\u672c\u7528\u4e0d\u5230\u7684 add\/remove&#xff08;\u5728 Python \u91cc\u6211\u4eec\u8ba9\u5b83\u4eec\u629b NotImplementedError&#xff0c;\u5728\u9759\u6001\u8bed\u8a00\u91cc\u5219\u5f80\u5f80\u8981\u7a7a\u5b9e\u73b0\u6216\u629b\u5f02\u5e38&#xff09;&#xff0c;\u8fd9\u8f7b\u5fae\u8fdd\u53cd\u4e86\u63a5\u53e3\u9694\u79bb\u539f\u5219\u3002<\/li>\n<li>\u5b89\u5168\u5f0f&#xff08;Safe&#xff09;&#xff1a;Component \u53ea\u7559 get_size \u8fd9\u7c7b\u516c\u5171\u64cd\u4f5c&#xff0c;add\/remove \u53ea\u5728 Composite \u91cc\u58f0\u660e\u3002Leaf \u7684\u63a5\u53e3\u56e0\u6b64\u5f88\u5e72\u51c0&#xff0c;\u7f16\u8bd1\u5668\u80fd\u5728\u7f16\u8bd1\u671f\u62e6\u4f4f&#034;\u5bf9\u6587\u4ef6\u8c03 add&#034;\u7684\u975e\u6cd5\u64cd\u4f5c\u3002\u4ee3\u4ef7\u662f\u5ba2\u6237\u7aef\u5982\u679c\u60f3\u6539\u6811\u7684\u7ed3\u6784&#xff0c;\u5fc5\u987b\u5148 isinstance \u5224\u65ad\u518d\u8f6c\u578b\u6210 Composite \u624d\u80fd\u8c03&#xff0c;\u7edf\u4e00\u6027\u88ab\u6253\u7834\u4e86\u4e00\u89d2\u3002<\/li>\n<\/ul>\n<p><span class=\"token comment\"># \u5b89\u5168\u5f0f\u5199\u6cd5&#xff1a;Component \u4e0a\u3010\u4e0d\u3011\u58f0\u660e add\/remove<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileSystemNode<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Folder<\/span><span class=\"token punctuation\">(<\/span>FileSystemNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> self<span class=\"token punctuation\">.<\/span>children<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>node<span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># \u53ea\u5728 Composite \u58f0\u660e<\/span><\/p>\n<p><span class=\"token comment\"># \u5ba2\u6237\u7aef\u8981\u7ba1\u7ed3\u6784&#xff0c;\u5fc5\u987b\u5148\u5224\u65ad\u7c7b\u578b\u518d\u8f6c\u578b&#xff1a;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token builtin\">isinstance<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">,<\/span> Folder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    root<span class=\"token punctuation\">.<\/span>add<span class=\"token punctuation\">(<\/span>File<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;c.txt&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\"># \u4e0d\u5224\u65ad\u5c31\u8c03 add \u4f1a\u76f4\u63a5\u62a5 AttributeError<\/span><\/p>\n<p>GoF \u539f\u4e66\u63a8\u8350\u4f18\u5148\u900f\u660e\u5f0f&#xff0c;\u7406\u7531\u662f\u5b83\u4fdd\u4f4f\u4e86\u7ec4\u5408\u6a21\u5f0f\u6700\u5b9d\u8d35\u7684\u90a3\u70b9\u597d\u5904\u2014\u2014\u201c\u5ba2\u6237\u7aef\u4e0d\u5173\u5fc3\u7c7b\u578b\u201d\u3002\u4f46\u5728 Java \/ C# \/ Go \u8fd9\u7c7b\u9759\u6001\u5f3a\u7c7b\u578b\u9879\u76ee\u91cc&#xff0c;\u56e2\u961f\u5f80\u5f80\u4e3a\u4e86\u7f16\u8bd1\u671f\u5b89\u5168\u800c\u9009\u5b89\u5168\u5f0f\u3002\u4e00\u4e2a\u52a1\u5b9e\u7684\u5efa\u8bae\u662f&#xff1a;\u5148\u5b9a\u4e00\u4e2a&#xff0c;\u522b\u8ba9\u5b83\u5728\u4e24\u79cd\u4e4b\u95f4\u6447\u6446\u2014\u2014\u540c\u4e00\u4e2a\u9879\u76ee\u91cc\u6df7\u7528\u4e24\u79cd&#xff0c;\u6bd4\u53ea\u7528\u5176\u4e2d\u4e00\u79cd\u66f4\u8ba9\u4eba\u8ff7\u60d1\u3002<\/p>\n<p>\u9664\u4e86\u900f\u660e\u5f0f\u548c\u5b89\u5168\u5f0f&#xff0c;\u5de5\u7a0b\u91cc\u8fd8\u6709\u51e0\u4e2a\u5e38\u89c1\u53d8\u4f53\u503c\u5f97\u77e5\u9053&#xff0c;\u5b83\u4eec\u90fd\u662f\u5728\u300c\u57fa\u7840\u4e09\u4ef6\u5957\u300d\u4e0a\u6309\u9700\u52a0\u7684\u6599&#xff1a;<\/p>\n<ul>\n<li>\u5e26\u7236\u5f15\u7528\u7684\u7ec4\u5408&#xff1a;\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u5b58\u4e00\u4e2a\u6307\u5411\u7236\u8282\u70b9\u7684\u5f15\u7528&#xff08;\u901a\u5e38\u5728 Component \u91cc\u58f0\u660e&#xff09;\u3002\u5b83\u8ba9\u300c\u4ece\u4efb\u610f\u5b50\u8282\u70b9\u5411\u4e0a\u904d\u5386\u300d\u6216\u300c\u9ad8\u6548\u5220\u9664\u81ea\u5df1\u300d\u53d8\u5bb9\u6613\u2014\u2014remove \u65f6\u4e0d\u7528\u8ba9\u7236\u8282\u70b9\u5168\u6811\u641c\u7d22&#xff0c;\u76f4\u63a5\u627e\u7236\u8282\u70b9\u6458\u6389\u5373\u53ef&#xff1b;\u4ee3\u4ef7\u662f\u8981\u81ea\u5df1\u7ef4\u62a4\u8fd9\u6761\u5f15\u7528\u94fe&#xff0c;\u8282\u70b9\u65b0\u589e\u6216\u79fb\u52a8\u65f6\u540c\u6b65\u66f4\u65b0\u3002<\/li>\n<li>\u7f13\u5b58\u7ec4\u5408&#xff1a;\u5982\u679c\u805a\u5408\u64cd\u4f5c&#xff08;\u5982 get_size\u3001\u6587\u6863\u5757\u5c55\u5f00&#xff09;\u5f88\u8d35\u53c8\u9891\u7e41\u8c03\u7528&#xff0c;\u53ef\u4ee5\u8ba9 Composite \u7f13\u5b58\u4e0a\u4e00\u6b21\u7ed3\u679c&#xff0c;\u5e76\u5728\u4efb\u4e00\u5b50\u8282\u70b9\u53d8\u5316\u65f6\u628a\u7f13\u5b58\u7f6e\u810f\u3002\u8fd9\u662f\u7528\u4e00\u70b9\u5185\u5b58\u6362\u6389\u91cd\u590d\u8ba1\u7b97&#xff0c;\u6df1\u5ea6\u5927\u3001\u8bfb\u591a\u5199\u5c11\u7684\u6811\u6536\u76ca\u660e\u663e\u3002<\/li>\n<li>\u4eab\u5143\u7ec4\u5408&#xff1a;\u5f53\u53f6\u5b50\u8282\u70b9\u6570\u91cf\u6781\u5927\u3001\u4e14\u5f88\u591a\u53f6\u5b50\u5185\u5bb9\u76f8\u540c\u65f6&#xff0c;\u7528\u4eab\u5143&#xff08;Flyweight&#xff09;\u8ba9\u8fd9\u4e9b\u53f6\u5b50\u5171\u4eab\u540c\u4e00\u4efd\u5185\u90e8\u72b6\u6001&#xff0c;\u53ea\u4e3a\u4e0d\u540c\u7684\u7ec4\u5408\u4ed8\u8d39\u3002\u4ee3\u4ef7\u662f\u5171\u4eab\u8282\u70b9\u4e0d\u80fd\u518d\u88ab\u4e24\u68f5\u5b50\u6811\u300c\u5404\u81ea\u72ec\u5360\u4fee\u6539\u300d\u3002<\/li>\n<\/ul>\n<p>\u9009\u53d8\u4f53\u4ecd\u662f\u540c\u4e00\u4e2a\u539f\u5219&#xff1a;\u5148\u770b\u6e05\u4f60\u7684\u6811\u300c\u8bfb\u591a\u8fd8\u662f\u5199\u591a\u3001\u6df1\u4e0d\u6df1\u3001\u8282\u70b9\u591a\u4e0d\u591a\u300d&#xff0c;\u518d\u51b3\u5b9a\u8981\u4e0d\u8981\u4e3a\u5b83\u52a0\u7236\u5f15\u7528\u3001\u7f13\u5b58\u6216\u5171\u4eab\u3002<\/p>\n<p>\u8865\u5145\u4e00\u70b9\u8bed\u8a00\u5dee\u5f02&#xff1a;Python \/ JavaScript \u8fd9\u7c7b\u52a8\u6001\u7c7b\u578b\u8bed\u8a00&#xff0c;\u56e0\u4e3a\u300c\u9e2d\u5b50\u7c7b\u578b\u300d&#xff0c;\u5ba2\u6237\u7aef\u672c\u6765\u5c31\u4e0d\u5173\u5fc3\u5bf9\u8c61\u5177\u4f53\u7c7b\u578b&#xff0c;\u900f\u660e\u5f0f\u51e0\u4e4e\u662f\u96f6\u6210\u672c\u2014\u2014add \u8c03\u5728 Leaf \u4e0a\u8fd0\u884c\u65f6\u624d\u62a5\u9519\u3002\u800c Java \/ C# \/ Go \u6709\u7f16\u8bd1\u671f\u68c0\u67e5&#xff0c;\u900f\u660e\u5f0f\u4f1a\u8ba9 Leaf \u4e0a\u90a3\u4e9b\u65e0\u610f\u4e49\u65b9\u6cd5\u300c\u7f16\u8bd1\u901a\u8fc7\u3001\u8fd0\u884c\u7206\u70b8\u300d&#xff0c;\u6240\u4ee5\u8fd9\u4e9b\u8bed\u8a00\u66f4\u503e\u5411\u5b89\u5168\u5f0f&#xff0c;\u628a\u7c7b\u578b\u9519\u8bef\u5c3d\u91cf\u6321\u5728\u7f16\u8bd1\u671f\u3002\u9009\u54ea\u79cd&#xff0c;\u5148\u770b\u4f60\u7684\u8bed\u8a00\u600e\u4e48\u5e2e\u4f60\u67e5\u9519\u2014\u2014\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u540c\u4e00\u5957\u6a21\u5f0f&#xff0c;\u5728 Python \u9879\u76ee\u91cc\u5e38\u5199\u6210\u900f\u660e\u5f0f&#xff0c;\u5728 Java \u9879\u76ee\u91cc\u5e38\u5199\u6210\u5b89\u5168\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260926010916-6ab71b3c3eeeb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#xff08;\u56fe\u4e8c&#xff1a;\u900f\u660e\u5f0f\u628a\u5b50\u8282\u70b9\u7ba1\u7406\u653e\u5728 Component&#xff0c;\u5b89\u5168\u5f0f\u53ea\u653e\u5728 Composite&#xff1b;\u4e24\u8005\u90fd\u4fdd\u7559&#034;\u7edf\u4e00\u63a5\u53e3&#034;\u8fd9\u4e2a\u6838\u5fc3\u6536\u76ca&#xff0c;\u5dee\u522b\u4ec5\u5728\u7ba1\u7406\u65b9\u6cd5\u6446\u54ea&#xff09;<\/p>\n<\/p>\n<h3>\u4e94\u3001\u51e0\u4e2a\u5bb9\u6613\u8e29\u7684\u5751<\/h3>\n<h4>Leaf \u7684 add() \u8be5\u629b\u5f02\u5e38\u8fd8\u662f\u7a7a\u5b9e\u73b0&#xff1f;<\/h4>\n<p>\u8fd9\u662f\u900f\u660e\u5f0f\u843d\u5730\u65f6\u7b2c\u4e00\u4e2a\u8981\u62cd\u677f\u7684\u70b9\u3002\u4e24\u79cd\u90fd\u7b97&#034;\u6b63\u786e&#034;&#xff0c;\u4f46\u8bed\u4e49\u4e0d\u540c&#xff1a;\u629b\u5f02\u5e38&#xff08;raise NotImplementedError&#xff09;\u660e\u786e\u8868\u793a&#034;\u8fd9\u4e2a\u64cd\u4f5c\u5bf9\u53f6\u5b50\u65e0\u610f\u4e49&#034;&#xff0c;\u8c03\u7528\u65b9\u8bef\u7528\u4f1a\u7acb\u523b\u62a5\u9519&#xff0c;\u9002\u5408\u628a\u6811\u5f53\u4e25\u683c part-whole \u7ed3\u6784\u7528\u7684\u573a\u666f&#xff1b;\u7a7a\u5b9e\u73b0&#xff08;\u76f4\u63a5 pass&#xff09;\u5219\u4f1a\u8ba9\u8bef\u7528&#034;\u9759\u9ed8\u6210\u529f&#034;&#xff0c;\u57cb\u4e0b\u96be\u4ee5\u6392\u67e5\u7684 bug\u3002\u9664\u975e\u4f60\u6709\u660e\u786e\u7406\u7531\u8981\u541e\u6389\u9519\u8bef&#xff0c;\u5426\u5219\u4f18\u5148\u629b\u5f02\u5e38\u2014\u2014\u81f3\u5c11\u628a\u9519\u8bef\u66b4\u9732\u51fa\u6765\u3002\u4e00\u4e2a\u5c0f\u6d4b\u8bd5\u80fd\u5e2e\u4f60\u5b9a\u8c03&#xff1a;\u5982\u679c\u4f60\u9884\u671f\u8c03\u7528\u65b9\u300c\u5076\u5c14\u4f1a\u641e\u9519\u8282\u70b9\u7c7b\u578b\u300d&#xff0c;\u629b\u5f02\u5e38\u80fd\u5728\u6700\u65e9\u7684\u5730\u65b9\u62a5\u8b66&#xff1b;\u5982\u679c\u4f60\u9884\u671f\u300c\u8c03\u7528\u65b9\u5927\u91cf\u65e0\u5dee\u522b\u5730\u5bf9\u6240\u6709\u8282\u70b9\u8c03 add&#xff0c;\u4e14\u7edd\u5927\u591a\u6570\u662f\u53f6\u5b50\u3001\u5ffd\u7565\u5373\u53ef\u300d&#xff0c;\u90a3\u7a7a\u5b9e\u73b0\u53cd\u800c\u8ba9\u4e3b\u6d41\u7a0b\u66f4\u987a\u2014\u2014\u4f46\u8fd9\u79cd\u60c5\u51b5\u5f80\u5f80\u8bf4\u660e\u63a5\u53e3\u672c\u8eab\u5c31\u8be5\u7528\u5b89\u5168\u5f0f&#xff0c;\u628a add \u66b4\u9732\u6210 Composite \u4e13\u5c5e&#xff0c;\u800c\u4e0d\u662f\u5728 Leaf \u4e0a\u6084\u6084\u541e\u6389\u3002<\/p>\n<h4>\u7ec4\u5408\u6a21\u5f0f\u80fd\u76f4\u63a5\u5957\u5230\u56fe\u7ed3\u6784&#xff08;\u542b\u73af&#xff09;\u5417&#xff1f;<\/h4>\n<p>\u4e0d\u80fd\u76f4\u63a5\u5957\u3002\u7ecf\u5178\u7ec4\u5408\u6a21\u5f0f\u5047\u8bbe\u7ed3\u6784\u662f\u4e00\u68f5\u6811&#xff1a;\u6bcf\u4e2a\u5b50\u8282\u70b9\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a\u7236\u8282\u70b9&#xff0c;\u6ca1\u6709\u73af\u3002\u4e00\u65e6\u4f60\u7684\u6570\u636e\u5176\u5b9e\u662f&#034;\u56fe&#034;&#xff08;\u6bd4\u5982 Git \u7684 merge commit \u6709\u4e24\u4e2a\u7236\u8282\u70b9\u3001\u6587\u4ef6\u7cfb\u7edf\u7684\u8f6f\u94fe\u63a5\u4f1a\u5f62\u6210\u73af&#xff09;&#xff0c;\u666e\u901a\u7ec4\u5408\u5b9e\u73b0\u6ca1\u6709\u81ea\u5e26\u7684\u73af\u68c0\u6d4b&#xff0c;\u9012\u5f52\u4f1a\u9677\u5165\u6b7b\u5faa\u73af\u3002\u8981\u5728\u56fe\u7ed3\u6784\u91cc\u590d\u7528\u8fd9\u4e2a\u601d\u8def&#xff0c;\u5fc5\u987b\u989d\u5916\u7ef4\u62a4\u4e00\u4e2a\u904d\u5386\u65f6\u7684 visited \u96c6\u5408&#xff0c;\u5e76\u660e\u786e\u5b9a\u4e49&#034;\u8282\u70b9\u5f52\u5c5e\/\u805a\u5408&#034;\u7684\u8bed\u4e49\u2014\u2014\u5230\u8fd9\u4e00\u6b65&#xff0c;\u5f80\u5f80\u4e00\u4e2a\u4e13\u95e8\u7684\u56fe\u8868\u793a\u53cd\u800c\u66f4\u5408\u9002\u3002\u4e00\u4e2a\u5b9e\u7528\u7684\u6298\u4e2d&#xff1a;\u5982\u679c\u6570\u636e\u672c\u8d28\u662f\u56fe\u3001\u4f46\u4f60\u80fd\u4fdd\u8bc1\u300c\u6bcf\u4e2a\u8282\u70b9\u5728\u904d\u5386\u65f6\u53ea\u88ab\u8bbf\u95ee\u4e00\u6b21\u300d&#xff08;\u6bd4\u5982\u6709\u5411\u65e0\u73af\u56fe\u4e14\u6bcf\u6761\u8def\u5f84\u53bb\u91cd&#xff09;&#xff0c;\u4ecd\u53ef\u7528\u7ec4\u5408\u6a21\u5f0f\u627f\u8f7d&#xff0c;\u53ea\u9700\u5728\u9012\u5f52\u5165\u53e3\u7ef4\u62a4 visited&#xff1b;\u4e00\u65e6\u53ef\u80fd\u51fa\u73b0\u73af&#xff0c;\u5c31\u5fc5\u987b\u663e\u5f0f\u68c0\u6d4b&#xff0c;\u5426\u5219\u548c\u666e\u901a\u7684\u6df1\u5ea6\u4f18\u5148\u641c\u7d22\u4e00\u6837\u4f1a\u6808\u6ea2\u51fa\u6216\u6b7b\u5faa\u73af\u3002\u6362\u53e5\u8bdd\u8bf4&#xff0c;\u7ec4\u5408\u6a21\u5f0f\u5047\u8bbe\u7684\u662f\u300c\u6811\u300d&#xff0c;\u8d8a\u754c\u6210\u300c\u56fe\u300d\u524d\u8981\u5148\u628a\u73af\u7684\u95ee\u9898\u89e3\u51b3\u6389\u3002<\/p>\n<h4>\u6811\u592a\u6df1\u4f1a\u4e0d\u4f1a\u6808\u6ea2\u51fa&#xff1f;<\/h4>\n<p>\u4f1a&#xff0c;\u800c\u4e14\u662f\u751f\u4ea7\u73af\u5883\u91cc\u771f\u4f1a\u53d1\u751f\u7684\u4e8b\u3002\u9012\u5f52\u4e0b\u53d1\u7684\u8c03\u7528\u6808\u6df1\u5ea6\u7b49\u4e8e\u6811\u7684\u6df1\u5ea6 d&#xff0c;\u800c\u8c03\u7528\u6808\u7a7a\u95f4\u662f\u6709\u9650\u7684&#xff1a;\u524d\u9762\u9a8c\u8bc1\u8fc7 Python \u9ed8\u8ba4\u9012\u5f52\u6df1\u5ea6\u4e0a\u9650\u7ea6 1000 \u5c42&#xff0c;Java \/ .NET \u53d6\u51b3\u4e8e\u7ebf\u7a0b\u6808\u5927\u5c0f&#xff0c;JavaScript \u5f15\u64ce\u4e5f\u6709\u5404\u81ea\u7684\u5b9e\u73b0\u4e0a\u9650\u3002\u5f53\u6811\u7684\u6df1\u5ea6\u4e0d\u53ef\u63a7\u3001\u53ef\u80fd\u975e\u5e38\u6df1\u65f6&#xff0c;\u628a\u9012\u5f52\u6539\u6210&#034;\u663e\u5f0f\u6808 \/ \u961f\u5217&#034;\u7684\u8fed\u4ee3\u904d\u5386\u4f1a\u66f4\u7a33&#xff1b;\u5982\u679c\u8fd8\u8981\u9891\u7e41\u5bf9\u767e\u4e07\u7ea7\u8282\u70b9\u505a\u805a\u5408&#xff0c;\u8003\u8651\u628a\u805a\u5408\u7ed3\u679c&#xff08;\u5982\u603b\u5927\u5c0f&#xff09;\u7f13\u5b58\u8d77\u6765&#xff0c;\u800c\u4e0d\u662f\u6bcf\u6b21\u73b0\u7b97\u3002\u7f13\u89e3\u624b\u6bb5\u6709\u4e09\u6863&#xff1a;\u6700\u8f7b\u91cf\u662f\u8c03\u5927\u8bed\u8a00\u6216\u8fd0\u884c\u65f6\u7684\u9012\u5f52\u4e0a\u9650&#xff08;Python \u53ef\u7528 sys.setrecursionlimit&#xff0c;\u4f46\u53ea\u662f\u5ef6\u540e\u3001\u4e0d\u662f\u6839\u6cbb&#xff09;&#xff1b;\u66f4\u7a33\u7684\u662f\u628a\u9012\u5f52\u6539\u6210\u300c\u663e\u5f0f\u6808\u300d\u7684\u8fed\u4ee3\u904d\u5386&#xff0c;\u8c03\u7528\u6808\u6df1\u5ea6\u964d\u5230 O(1)&#xff1b;\u6700\u5f7b\u5e95\u7684\u662f\u5728 Composite \u5c42\u505a\u300c\u6241\u5e73\u5316\u7f13\u5b58\u300d\u2014\u2014\u628a\u6574\u68f5\u6811\u7684\u805a\u5408\u7ed3\u679c\u7269\u5316\u6210\u4e00\u5217&#xff0c;\u540e\u7eed\u64cd\u4f5c\u76f4\u63a5\u8d70\u7ebf\u6027\u7ed3\u6784\u3002\u6811\u6df1\u5ea6\u4e0d\u53ef\u63a7\u65f6&#xff0c;\u7b2c\u4e8c\u6863\u901a\u5e38\u662f\u9ed8\u8ba4\u9009\u62e9\u3002<\/p>\n<h4>\u5171\u4eab\u5b50\u8282\u70b9\u8981\u5c0f\u5fc3\u591a\u7236\u95ee\u9898<\/h4>\n<p>\u8fd8\u6709\u4e00\u7c7b\u5bb9\u6613\u5ffd\u7565\u7684\u5751&#xff1a;\u5171\u4eab\u5b50\u8282\u70b9&#xff08;\u591a\u7236&#xff09;\u3002GoF \u63d0\u5230\u53ef\u4ee5\u7528\u4eab\u5143\u5171\u4eab\u7ec4\u4ef6\u6765\u7701\u5185\u5b58&#xff0c;\u4f46\u7ecf\u5178\u7ec4\u5408\u6a21\u5f0f\u5047\u8bbe\u300c\u6bcf\u4e2a\u5b50\u8282\u70b9\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a\u7236\u8282\u70b9\u300d\u3002\u5982\u679c\u4f60\u628a\u4e00\u4e2a\u5b50\u8282\u70b9\u540c\u65f6\u6302\u5230\u4e24\u4e2a\u7236\u8282\u70b9\u4e0b&#xff08;\u6bd4\u5982\u4e24\u4efd\u6587\u6863\u90fd\u5f15\u7528\u540c\u4e00\u5f20\u56fe&#xff09;&#xff0c;\u904d\u5386\u3001\u5220\u9664\u3001\u8ba1\u6570\u90fd\u4f1a\u51fa\u95ee\u9898\u2014\u2014\u5220\u9664\u4e00\u4e2a\u7236\u8282\u70b9\u65f6\u5230\u5e95\u8981\u4e0d\u8981\u8fde\u5e26\u5220\u6389\u5171\u4eab\u5b50\u8282\u70b9&#xff1f;\u8ba1\u6570\u65f6\u8fd9\u5f20\u56fe\u7b97\u4e00\u6b21\u8fd8\u662f\u4e24\u6b21&#xff1f;\u771f\u8981\u5171\u4eab&#xff0c;\u5f97\u663e\u5f0f\u7ea6\u5b9a\u6240\u6709\u6743\u8bed\u4e49&#xff08;\u8c01\u62e5\u6709\u3001\u8c01\u53ea\u5f15\u7528&#xff09;&#xff0c;\u5e76\u914d\u5408 visited \u96c6\u5408\u907f\u514d\u91cd\u590d\u5904\u7406&#xff0c;\u800c\u4e0d\u662f\u9ed8\u8ba4\u5b83\u300c\u65e2\u80fd\u6302\u8fd9\u4e5f\u80fd\u6302\u90a3\u300d\u3002<\/p>\n<\/p>\n<h3>\u516d\u3001\u5728\u5927\u6a21\u578b\u5de5\u7a0b\u91cc\u5b83\u51fa\u73b0\u5728\u54ea<\/h3>\n<p>\u7ec4\u5408\u6a21\u5f0f\u4e0d\u662f\u6559\u79d1\u4e66\u73a9\u5177\u3002\u51e1\u662f&#034;\u5355\u4e2a\u5143\u7d20&#034;\u548c&#034;\u4e00\u7ec4\u5143\u7d20&#034;\u9700\u8981\u88ab\u540c\u7b49\u5bf9\u5f85\u7684\u6811\u5f62\u573a\u666f&#xff0c;\u5b83\u90fd\u80fd\u76f4\u63a5\u843d\u5730\u3002\u4e0b\u9762\u4e09\u4e2a\u90fd\u662f\u5927\u6a21\u578b\u5e94\u7528\u5f00\u53d1\u91cc\u7684\u771f\u5b9e\u843d\u70b9&#xff0c;\u4ee3\u7801\u4ee5\u9aa8\u67b6\u5f62\u5f0f\u7ed9\u51fa&#xff08;\u804c\u8d23\u9760\u6ce8\u91ca\u81ea\u89e3\u91ca&#xff0c;\u4e0d\u5c55\u5f00\u957f\u6bb5\u5206\u6790&#xff09;\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u7ec4\u5408\u6a21\u5f0f\u5728\u5927\u6a21\u578b\u5de5\u7a0b\u91cc\u51fa\u955c\u7387\u8fd9\u4e48\u9ad8&#xff1f;\u56e0\u4e3a LLM \u5e94\u7528\u5929\u7136\u662f\u300c\u6811\u300d&#xff1a;\u4e00\u4e2a\u7528\u6237\u8bf7\u6c42\u4f1a\u88ab\u5206\u89e3\u6210\u4e00\u68f5\u6811&#xff08;\u4efb\u52a1\u89c4\u5212 \u2192 \u5b50\u4efb\u52a1 \u2192 \u5de5\u5177\u8c03\u7528&#xff09;&#xff0c;\u4e00\u6bb5 prompt \u4e5f\u662f\u4e00\u68f5\u5d4c\u5957\u5757&#xff08;\u7cfb\u7edf\u63d0\u793a \u2192 \u793a\u4f8b \u2192 \u53d8\u91cf&#xff09;&#xff0c;\u4e00\u4efd\u77e5\u8bc6\u5e93\u66f4\u662f\u4e00\u68f5\u6587\u6863\u6811&#xff08;\u5e93 \u2192 \u6587\u6863 \u2192 \u6bb5\u843d \u2192 \u5207\u7247&#xff09;\u3002\u8fd9\u4e9b\u7ed3\u6784\u90fd\u6709\u4e00\u4e2a\u5171\u540c\u7279\u5f81&#xff1a;\u8c03\u7528\u65b9\u53ea\u60f3\u5bf9\u300c\u4e00\u4e2a\u8282\u70b9\u300d\u53d1\u6307\u4ee4&#xff0c;\u81f3\u4e8e\u80cc\u540e\u662f\u5355\u4e2a\u8fd8\u662f\u4e00\u6574\u68f5\u5b50\u6811&#xff0c;\u5b83\u4e00\u4e2a\u5b57\u90fd\u4e0d\u60f3\u7ba1\u3002\u4e0b\u9762\u4e09\u4e2a\u843d\u70b9&#xff0c;\u90fd\u662f\u628a\u8fd9\u4e2a\u7279\u5f81\u76f4\u63a5\u6620\u5c04\u6210\u4ee3\u7801\u3002<\/p>\n<p>\u573a\u666f\u4e00&#xff1a;Agent \u7684\u4efb\u52a1\u6811\u3002 \u4e00\u4e2a\u539f\u5b50\u5de5\u5177\u8c03\u7528\u548c\u4e00\u4e2a\u591a\u6b65\u5b50\u8ba1\u5212&#xff0c;\u90fd\u5e94\u8be5\u80fd\u7528\u540c\u4e00\u79cd\u65b9\u5f0f\u88ab\u9a71\u52a8&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> abc <span class=\"token keyword\">import<\/span> ABC<span class=\"token punctuation\">,<\/span> abstractmethod<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AgentStep<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Component&#xff1a;\u539f\u5b50\u6b65\u9aa4\u4e0e\u6b65\u9aa4\u7ec4\u5171\u7528\u4e00\u4e2a run \u63a5\u53e3&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ToolCall<\/span><span class=\"token punctuation\">(<\/span>AgentStep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Leaf&#xff1a;\u4e00\u6b21\u5177\u4f53\u5de5\u5177\u8c03\u7528&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> tool<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>tool<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>args <span class=\"token operator\">&#061;<\/span> tool<span class=\"token punctuation\">,<\/span> args<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        ctx<span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">.<\/span>tool<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> call_tool<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>tool<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># call_tool \u4e3a\u793a\u610f\u6869<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ctx<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Plan<\/span><span class=\"token punctuation\">(<\/span>AgentStep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;Composite&#xff1a;\u987a\u5e8f\u6267\u884c\u4e00\u7ec4\u5b50\u6b65\u9aa4&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> steps<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;AgentStep&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>steps <span class=\"token operator\">&#061;<\/span> steps<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> step <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>steps<span class=\"token punctuation\">:<\/span><br \/>\n            ctx <span class=\"token operator\">&#061;<\/span> step<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>ctx<span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># \u7edf\u4e00\u63a5\u53e3&#xff0c;\u9012\u5f52\/\u987a\u5e8f\u4e0b\u53d1<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ctx<\/p>\n<p><span class=\"token comment\"># \u5355\u4e2a\u5de5\u5177\u8c03\u7528\u3001\u548c&#034;\u5916\u5c42\u8ba1\u5212\u5957\u5185\u5c42\u8ba1\u5212&#034;\u7528\u540c\u4e00\u79cd\u65b9\u5f0f\u9a71\u52a8<\/span><br \/>\npipeline <span class=\"token operator\">&#061;<\/span> Plan<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n    ToolCall<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;search&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;q&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;&#8230;&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    Plan<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>ToolCall<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;read&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;url&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;&#8230;&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ToolCall<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;summarize&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\npipeline<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># \u5ba2\u6237\u7aef\u4e0d\u77e5\u9053\u5d4c\u5957\u4e86\u51e0\u5c42<\/span><\/p>\n<p>\u573a\u666f\u4e8c&#xff1a;Prompt \u7684\u5757\u7ec4\u5408\u3002 \u7cfb\u7edf\u63d0\u793a\u3001Few-shot \u793a\u4f8b\u3001\u53d8\u91cf\u5757&#xff0c;\u672c\u8d28\u90fd\u662f&#034;\u80fd\u6e32\u67d3\u6210\u5b57\u7b26\u4e32\u7684\u5757&#034;&#xff0c;\u7ec4\u5408\u540e\u7edf\u4e00 render&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PromptBlock<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">StaticBlock<\/span><span class=\"token punctuation\">(<\/span>PromptBlock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> self<span class=\"token punctuation\">.<\/span>text <span class=\"token operator\">&#061;<\/span> text<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>text<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PromptGroup<\/span><span class=\"token punctuation\">(<\/span>PromptBlock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> blocks<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;PromptBlock&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>blocks <span class=\"token operator\">&#061;<\/span> blocks<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">.<\/span>render<span class=\"token punctuation\">(<\/span>ctx<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> b <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>blocks<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u7cfb\u7edf\u63d0\u793a &#043; \u5c11\u91cf\u793a\u4f8b &#043; \u53d8\u91cf\u5757&#xff0c;\u7ec4\u5408\u540e\u4e00\u6b21 render \u51fa\u5b8c\u6574 prompt<\/span><br \/>\nprompt <span class=\"token operator\">&#061;<\/span> PromptGroup<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>StaticBlock<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4f60\u662f\u4e00\u4e2a\u4e25\u8c28\u7684\u52a9\u624b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> fewshot<span class=\"token punctuation\">,<\/span> var_block<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u573a\u666f\u4e09&#xff1a;RAG \u7684\u6587\u6863\u6811\u3002 \u4e00\u7bc7\u6587\u6863\u548c\u4e00\u4e2a&#034;\u6587\u6863\u96c6\u5408&#034;\u90fd\u80fd\u5bf9\u5916\u63d0\u4f9b get_chunks&#xff0c;\u68c0\u7d22\u65f6\u7edf\u4e00\u5c55\u5f00&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DocNode<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_chunks<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LeafDoc<\/span><span class=\"token punctuation\">(<\/span>DocNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> self<span class=\"token punctuation\">.<\/span>text <span class=\"token operator\">&#061;<\/span> text<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_chunks<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">]<\/span>   <span class=\"token comment\"># \u771f\u5b9e\u573a\u666f\u4f1a\u5148\u505a\u5207\u7247<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DocCollection<\/span><span class=\"token punctuation\">(<\/span>DocNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> children<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;DocNode&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> self<span class=\"token punctuation\">.<\/span>children <span class=\"token operator\">&#061;<\/span> children<br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_chunks<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span>c <span class=\"token keyword\">for<\/span> ch <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>children <span class=\"token keyword\">for<\/span> c <span class=\"token keyword\">in<\/span> ch<span class=\"token punctuation\">.<\/span>get_chunks<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>\u8fd9\u4e09\u4e2a\u573a\u666f\u7684\u5171\u540c\u70b9&#xff1a;\u5ba2\u6237\u7aef\u53ea\u60f3\u5bf9\u4e00\u4e2a&#034;\u8282\u70b9&#034;\u8c03\u7528 run \/ render \/ get_chunks&#xff0c;\u81f3\u4e8e\u5b83\u80cc\u540e\u662f\u5355\u4e2a\u8fd8\u662f\u4e00\u6574\u68f5\u5b50\u6811&#xff0c;\u8c03\u7528\u65b9\u4e00\u4e2a\u5b57\u90fd\u4e0d\u7528\u7ba1\u3002\u628a\u7ec4\u5408\u6a21\u5f0f\u7528\u5728\u8fd9\u91cc&#xff0c;\u6bd4\u6bcf\u6b21\u624b\u5199 if isinstance \u904d\u5386\u8981\u5e72\u51c0\u5f97\u591a&#xff0c;\u4e5f\u66f4\u7ecf\u5f97\u8d77\u8282\u70b9\u7c7b\u578b\u7684\u6269\u5c55\u3002<\/p>\n<p>\u518d\u8865\u4e00\u4e2a\u5de5\u7a0b\u63d0\u9192&#xff1a;\u7ec4\u5408\u6811\u4e00\u65e6\u7528\u4e8e\u771f\u5b9e Agent \u7f16\u6392&#xff0c;\u8981\u6ce8\u610f\u300c\u5355\u70b9\u5931\u8d25\u300d\u2014\u2014\u4e00\u4e2a ToolCall \u629b\u5f02\u5e38&#xff0c;\u6574\u6761 Plan \u7684\u9012\u5f52\u94fe\u4f1a\u4e2d\u65ad\u3002\u5b9e\u9645\u9879\u76ee\u91cc\u901a\u5e38\u7ed9\u6bcf\u4e2a Leaf \u81ea\u5e26\u515c\u5e95&#xff08;\u91cd\u8bd5\u3001\u6216\u8fd4\u56de\u9519\u8bef\u8282\u70b9\u800c\u4e0d\u662f\u5d29\u6e83&#xff09;&#xff0c;\u6216\u5728 Composite.run \u91cc\u7528 try \u5305\u4f4f\u6bcf\u6b65\u5e76\u628a\u5931\u8d25\u8282\u70b9\u8bb0\u5165 ctx&#xff0c;\u8ba9\u4e0a\u5c42\u51b3\u5b9a\u600e\u4e48\u7ee7\u7eed\u3002\u6a21\u5f0f\u89e3\u51b3\u7684\u662f\u300c\u7edf\u4e00\u63a5\u53e3\u300d&#xff0c;\u5bb9\u9519\u8981\u53e6\u5199&#xff0c;\u522b\u6307\u671b\u7ec4\u5408\u6a21\u5f0f\u66ff\u4f60\u515c\u4f4f\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n<\/p>\n<h3>\u4e03\u3001\u4ec0\u4e48\u65f6\u5019\u8be5\u4e0a\u3001\u4ec0\u4e48\u65f6\u5019\u522b\u4e0a<\/h3>\n<p>\u7ec4\u5408\u6a21\u5f0f\u5f88\u597d\u7528&#xff0c;\u4f46\u5b83\u662f&#034;\u6811\u5f62 part-whole&#034;\u7684\u89e3\u836f&#xff0c;\u4e0d\u662f\u4e07\u80fd\u836f\u3002\u5224\u65ad\u8981\u4e0d\u8981\u4e0a&#xff0c;\u53ef\u4ee5\u7528\u4e0b\u9762\u8fd9\u5f20\u51b3\u7b56\u77e9\u9635\u5feb\u901f\u5b9a\u4f4d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260926010917-6ab71b3d7ea31.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#xff08;\u56fe\u4e09&#xff1a;\u6570\u636e\u662f\u5426\u5929\u7136\u6811\u5f62 \u00d7 \u8282\u70b9\u662f\u5426\u9700\u7edf\u4e00\u63a5\u53e3\u2014\u2014\u4e24\u4e2a\u7ef4\u5ea6\u628a&#034;\u8be5\u7528\u7ec4\u5408\u6a21\u5f0f&#034;\u548c&#034;\u8be5\u7528\u522b\u7684&#034;\u5206\u5f00&#xff09;<\/p>\n<p>\u843d\u5728\u5de6\u4e0a\u89d2&#xff08;\u6811\u5f62 &#043; \u9700\u7edf\u4e00\u64cd\u4f5c&#xff09;\u624d\u662f\u7ec4\u5408\u6a21\u5f0f\u7684\u4e3b\u573a&#xff0c;\u6587\u4ef6\/\u76ee\u5f55\u3001UI \u63a7\u4ef6\u6811\u3001Agent \u4efb\u52a1\u6811\u90fd\u5728\u8fd9\u91cc\u3002\u53f3\u4e0b\u89d2&#xff08;\u5e73\u7ea7 &#043; \u884c\u4e3a\u5404\u5f02&#xff09;\u6839\u672c\u4e0d\u9700\u8981\u4efb\u4f55\u6a21\u5f0f&#xff0c;\u666e\u901a\u51fd\u6570\u6216\u5b57\u5178\u6700\u76f4\u63a5&#xff1b;\u5de6\u4e0b\u89d2&#xff08;\u6811\u5f62\u4f46\u884c\u4e3a\u5dee\u5f02\u5927&#xff09;\u66f4\u9002\u5408\u628a\u64cd\u4f5c\u4ece\u8282\u70b9\u4e0a\u5265\u4e0b\u6765&#xff0c;\u7528\u8bbf\u95ee\u8005&#xff08;Visitor&#xff09;\u4e4b\u7c7b\u89e3\u51b3&#xff1b;\u53f3\u4e0a\u89d2&#xff08;\u5e73\u7ea7\u4f46\u9700\u7edf\u4e00\u64cd\u4f5c&#xff09;\u4e00\u4e2a list \u52a0 for \u5faa\u73af\u5c31\u591f\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u5e38\u548c\u5b83\u641e\u6df7\u7684\u662f\u88c5\u9970\u5668&#xff08;Decorator&#xff09;\u3002\u4e24\u8005\u90fd\u9760&#034;\u540c\u4e00\u63a5\u53e3 &#043; \u6301\u6709\u540c\u7c7b\u578b\u5bf9\u8c61&#034;\u5de5\u4f5c&#xff0c;\u957f\u5f97\u50cf&#xff0c;\u4f46\u610f\u56fe\u5b8c\u5168\u4e0d\u540c&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260926010919-6ab71b3f1e3ee.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#xff08;\u56fe\u56db&#xff1a;\u7ec4\u5408\u662f&#034;\u4e00\u5bf9\u591a&#034;\u5efa\u6811\u3001\u5173\u6ce8\u7ed3\u6784&#xff1b;\u88c5\u9970\u5668\u662f&#034;\u4e00\u5bf9\u4e00&#034;\u5305\u88c5\u3001\u5173\u6ce8\u884c\u4e3a\u3002\u4e00\u56fe\u5206\u6e05\u4e24\u8005&#xff09;<\/p>\n<p>\u7ec4\u5408\u6a21\u5f0f\u5728\u7ed3\u6784\u578b\u6a21\u5f0f\u5bb6\u65cf\u91cc\u4f4d\u7f6e\u6e05\u6670&#xff0c;\u987a\u624b\u548c\u5176\u5b83\u51e0\u4e2a\u4e5f\u5212\u6e05\u8fb9\u754c&#xff0c;\u514d\u5f97\u9009\u578b\u65f6\u7ea0\u7ed3&#xff1a;\u548c\u9002\u914d\u5668&#xff08;Adapter&#xff09;\u7684\u5173\u7cfb\u662f\u2014\u2014\u9002\u914d\u5668\u89e3\u51b3\u300c\u63a5\u53e3\u4e0d\u517c\u5bb9\u300d&#xff0c;\u7ec4\u5408\u89e3\u51b3\u300c\u7ed3\u6784\u7edf\u4e00\u300d&#xff0c;\u4e24\u8005\u4e0d\u51b2\u7a81&#xff0c;\u7ec4\u5408\u6811\u91cc\u7684\u67d0\u4e2a\u8282\u70b9\u5b8c\u5168\u53ef\u4ee5\u88ab\u9002\u914d\u5668\u5305\u4e00\u5c42\u53bb\u5bf9\u63a5\u8001\u63a5\u53e3&#xff1b;\u548c\u5916\u89c2&#xff08;Facade&#xff09;\u7684\u5173\u7cfb\u662f\u2014\u2014\u5916\u89c2\u7ed9\u590d\u6742\u5b50\u7cfb\u7edf\u4e00\u4e2a\u7b80\u5316\u95e8\u9762&#xff0c;\u7ec4\u5408\u7ed9\u9012\u5f52\u7ed3\u6784\u4e00\u4e2a\u7edf\u4e00\u63a5\u53e3&#xff0c;\u5916\u89c2\u5185\u90e8\u6709\u65f6\u5c31\u7528\u7ec4\u5408\u6765\u7ec4\u7ec7\u5b50\u7cfb\u7edf&#xff1b;\u548c\u88c5\u9970\u5668\u7684\u533a\u522b\u89c1\u4e0a\u56fe\u3002\u4e00\u53e5\u8bdd&#xff1a;\u5f53\u4f60\u8981\u7684\u662f\u300c\u5efa\u4e00\u68f5\u6811\u5e76\u7edf\u4e00\u5bf9\u5f85\u300d&#xff0c;\u9009\u7ec4\u5408&#xff1b;\u8981\u7684\u662f\u300c\u63a5\u4e0a\u4e0d\u517c\u5bb9\u7684\u63a5\u53e3\u300d\u300c\u7ed9\u7cfb\u7edf\u5f00\u4e2a\u7b80\u5355\u5165\u53e3\u300d\u300c\u7ed9\u5bf9\u8c61\u52a0\u5c42\u884c\u4e3a\u300d&#xff0c;\u5206\u522b\u53bb\u627e\u9002\u914d\u5668\u3001\u5916\u89c2\u3001\u88c5\u9970\u5668\u3002<\/p>\n<p>\u6700\u540e\u8bda\u5b9e\u5730\u63d0\u4e00\u53e5\u4ee3\u4ef7&#xff1a;\u7ec4\u5408\u6a21\u5f0f\u6709\u65f6\u4f1a\u8ba9\u8bbe\u8ba1\u300c\u8fc7\u4e8e\u901a\u7528\u300d\u3002\u56e0\u4e3a\u63a5\u53e3\u5bf9\u53f6\u5b50\u548c\u5bb9\u5668\u4e00\u89c6\u540c\u4ec1&#xff0c;\u7c7b\u578b\u7cfb\u7edf\u5f88\u96be\u518d\u5e2e\u4f60\u7ea6\u675f\u300c\u67d0\u4e2a\u5bb9\u5668\u53ea\u5141\u8bb8\u7279\u5b9a\u79cd\u7c7b\u7684\u5b50\u8282\u70b9\u300d\u2014\u2014\u4f8b\u5982\u4f60\u60f3\u89c4\u5b9a\u300c\u6587\u4ef6\u5939\u4e0b\u53ea\u80fd\u6302\u56fe\u7247\u3001\u4e0d\u80fd\u6302\u53e6\u4e00\u4e2a\u6587\u4ef6\u5939\u300d&#xff0c;\u7ec4\u5408\u6a21\u5f0f\u672c\u8eab\u4e0d\u4f1a\u62e6\u4f60&#xff0c;\u5f97\u81ea\u5df1\u5728 add 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