{"id":774,"date":"2025-05-26T09:47:37","date_gmt":"2025-05-26T01:47:37","guid":{"rendered":"https:\/\/www.notown.top\/?p=774"},"modified":"2025-05-26T10:10:19","modified_gmt":"2025-05-26T02:10:19","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e6%a8%a1%e5%bc%8f%ef%bc%88%e7%bb%84%e5%90%88%e3%80%81%e8%bf%ad%e4%bb%a3%e5%99%a8%e3%80%81%e8%81%8c%e8%b4%a3%e9%93%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.notown.top\/?p=774","title":{"rendered":"\u6570\u636e\u7ed3\u6784\u6a21\u5f0f\uff08\u7ec4\u5408\u3001\u8fed\u4ee3\u5668\u3001\u804c\u8d23\u94fe\uff09"},"content":{"rendered":"<blockquote><p>\n  \u201c\u6570\u636e\u7ed3\u6784\u201d\u6a21\u5f0f<br \/>\n  \u5e38\u5e38\u6709\u4e00\u4e9b\u7ec4\u4ef6\u5728\u5185\u90e8\u5177\u6709\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u679c\u8ba9\u5ba2\u6237\u7a0b\u5e8f\u4f9d\u8d56\u8fd9\u4e9b\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5c06\u6781\u5927\u5730\u7834\u574f\u7ec4\u4ef6\u7684\u590d\u7528\u3002\u8fd9\u65f6\u5019\uff0c\u5c06\u8fd9\u4e9b\u7279\u5b9a\u6570\u636e\u7ed3\u6784\u5c01\u88c5\u5728\u5185\u90e8\uff0c\u5728\u5916\u90e8\u63d0\u4f9b\u7edf\u4e00\u7684\u63a5\u53e3\uff0c\u6765\u5b9e\u73b0\u4e0e\u7279\u5b9a\u6570\u636e\u7ed3\u6784\u65e0\u5173\u7684\u8bbf\u95ee\uff0c\u662f\u4e00\u79cd\u884c\u4e4b\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<br \/>\n  \u5c5e\u4e8e\u6570\u636e\u7ed3\u6784\u6a21\u5f0f\u7684\u6709\uff1aComposite\u3001Iterator\u3001Chain of Resposibility\n<\/p><\/blockquote>\n<h2>\u7ec4\u5408\u6a21\u5f0f\uff08Composite\uff09<\/h2>\n<ul>\n<li>\u5728\u8f6f\u4ef6\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u4ee3\u7801\u8fc7\u591a\u5730\u4f9d\u8d56\u4e8e\u5bf9\u8c61\u5bb9\u5668\u590d\u6742\u7684\u5185\u90e8\u5b9e\u73b0\u7ed3\u6784\uff0c\u5bf9\u8c61\u5bb9\u5668\u5185\u90e8\u5b9e\u73b0\u7ed3\u6784\uff08\u800c\u975e\u62bd\u8c61\u63a5\u53e3\uff09\u7684\u53d8\u5316\u5c06\u5f15\u8d77\u5ba2\u6237\u4ee3\u7801\u7684\u9891\u7e41\u53d8\u5316\uff0c\u5e26\u6765\u4e86\u4ee3\u7801\u7684\u7ef4\u62a4\u6027\u3001\u6269\u5c55\u6027\u7684\u5f0a\u7aef<\/li>\n<li>\u5982\u4f55\u5c06\u201c\u5ba2\u6237\u4ee3\u7801\u4e0e\u590d\u6742\u7684\u5bf9\u8c61\u5bb9\u5668\u7ed3\u6784\u201d\u89e3\u8026\uff1f\u8ba9\u5bf9\u8c61\u5bb9\u5668\u81ea\u5df1\u6765\u5b9e\u73b0\u81ea\u8eab\u7684\u590d\u6742\u7ed3\u6784\uff0c\u4ece\u800c\u4f7f\u5f97\u5ba2\u6237\u4ee3\u7801\u5c31\u50cf\u5904\u7406\u7b80\u5355\u5bf9\u8c61\u4e00\u6837\u6765\u5904\u7406\u590d\u6742\u7684\u5bf9\u8c61\u5bb9\u5668\uff1f<\/li>\n<\/ul>\n<p>\u7ec4\u5408\u6a21\u5f0f\u5b9a\u4e49\uff1a<br \/>\n\u5c06\u5bf9\u8c61\u7ec4\u5408\u6210\u6811\u5f62\u7ed3\u6784\u4ee5\u8868\u793a\u201c\u90e8\u5206-\u6574\u4f53\u201d\u7684\u5c42\u6b21\u7ed3\u6784\u3002Composite\u4f7f\u5f97\u7528\u6237\u5bf9\u5355\u4e2a\u5bf9\u8c61\u548c\u7ec4\u5408\u5bf9\u8c61\u7684<strong>\u4f7f\u7528\u5177\u6709\u4e00\u81f4\u6027<\/strong>\uff08\u7a33\u5b9a\uff09\u3002<\/p>\n<p>\u6bd4\u5982\u7528\u6811\u7684\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u6570\u636e\uff08\u751a\u81f3\u53ef\u4ee5\u662f\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u5171\u540c\u4f7f\u7528\uff0c\u6bd4\u5982vector\uff0c\u6bcf\u4e2a\u5b50\u5143\u7d20\u53c8\u662f\u4e00\u4e2alist\u7b49\uff09\uff0c\u53c8\u8981\u5bf9\u5916\u4fdd\u8bc1\u4e00\u81f4\u7684\u63a5\u53e3<\/p>\n<pre><code class=\"language-cpp line-numbers\">class Component{\npublic:\n    virtual void process() = 0;\n    virtual ~Component() {}\n};\n\nclass Composite : public Component{\n    string name;\n    list&lt;Component*&gt; element;\npublic:\n    Composite(const string &amp;s) : name(s) {}\n    void add(Component *element){\n        elements.push_back(element);\n    }\n    void remove(Component *element){\n        elements.remove(element);\n    }\n\n    void process(){\n        \/\/ \u5904\u7406\u5f53\u524d\u8282\u70b9\n\n        for (auto &amp;e : elements){ \/\/\u5904\u7406\u6bcf\u4e2a\u5b50\u8282\u70b9\n            e-&gt;process();         \/\/ \u591a\u6001\u8c03\u7528process\n        }\n    }\n};\n\nclass Leaf : public Component{\n    string name;\npublic:\n    Leaf(string s) : name(s) {}\n    void process(){\n        \/\/ \u5904\u7406\u5f53\u524d\u8282\u70b9\n    }\n}\n\nvoid Invoke(Component &amp;c){\n    \/\/ ...\n    c.process();\n    \/\/ ...\n}\n\nint main(){\n    Composite root(\"root\");\n    Composite treeNode1(\"treeNode1\");\n    Composite treeNode2(\"treeNode2\");\n    Composite treeNode3(\"treeNode3\");\n    Composite treeNode3(\"treeNode4\");\n\n    Leaf leaf01(\"leaf01\");\n    Leaf leaf02(\"leaf02\");\n\n    root.add(&amp;treeNode1);\n    treeNode1.add(&amp;treeNode2);\n    treeNode2.add(&amp;leaf01);\n\n    root.add(&amp;treeNode3);\n    treeNode3.add(&amp;treeNode4);\n    treeNode4.add(&amp;leaf02);\n\n    Invoke(root);\n\n}\n\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4f8b\u5b50\u5c31\u4f53\u73b0\u4e86\u7ec4\u5408\u6a21\u5f0f\u7684\u7cbe\u9ad3\uff08\u867d\u7136\u6211\u4e2a\u4eba\u8ba4\u4e3aLeaf\u7684\u5b9a\u4e49\u6ca1\u6709\u5fc5\u8981\uff0c\u6bd5\u7adf\u5f53Composite\u7684list\u4e0d\u5b58\u5728\u5143\u7d20\u65f6\u5373\u53ef\u6210\u4e3a\u53f6\u5b50\u8282\u70b9\uff09\u3002\u4f46<strong>\u5982\u679c\u6709\u4e0d\u540c\u6570\u636e\u7ed3\u6784\uff08\u7c7b\uff09\u5171\u540c\u7ec4\u6210\u4e00\u4efd\u6570\u636e\uff0c\u540c\u65f6\u8fd9\u4e9b\u7c7b\u90fd\u91cd\u5199\u4e86process\uff0c\u53ef\u4ee5\u5728\u5916\u90e8\u8c03\u7528\u65f6\uff0c\u65e0\u9700\u5173\u6ce8\u6570\u636e\u7ed3\u6784\u672c\u8eab\u3002<\/strong><\/p>\n<p>\u8981\u70b9\u603b\u7ed3\uff1a<br \/>\n&#8211; Composite\u6a21\u5f0f\u91c7\u7528\u6811\u5f62\u7ed3\u6784\uff0c\u6765\u5b9e\u73b0\u666e\u904d\u5b58\u5728\u5f97\u5bf9\u8c61\u5bb9\u5668\uff0c\u4ece\u800c\u5c06\u201c\u4e00\u5bf9\u591a\u201d\u7684\u5173\u7cfb\u8f6c\u5316\u4e3a\u201c\u4e00\u5bf9\u4e00\u201d\u7684\u5173\u7cfb\uff0c\u4f7f\u5f97\u5ba2\u6237\u4ee3\u7801\u53ef\u4ee5\u4e00\u81f4\u5730\uff08\u590d\u7528\uff09\u5904\u7406\u5bf9\u8c61\u548c\u5bf9\u8c61\u5bb9\u5668\uff0c\u65e0\u9700\u5173\u5fc3\u5904\u7406\u5f97\u662f\u5355\u4e2a\u5bf9\u8c61\u8fd8\u662f\u7ec4\u5408\u5f97\u5bf9\u8c61\u5bb9\u5668\u3002<br \/>\n&#8211; \u5c06\u201c\u5ba2\u6237\u4ee3\u7801\u4e0e\u590d\u6742\u7684\u5bf9\u8c61\u5bb9\u5668\u7ed3\u6784\u201d\u89e3\u8026\u662fComposite\u7684\u6838\u5fc3\u601d\u60f3\uff0c\u89e3\u8026\u4e4b\u540e\uff0c\u5ba2\u6237\u4ee3\u7801\u5c06\u4e0e\u7eaf\u7cb9\u7684\u62bd\u8c61\u63a5\u53e3\u2014\u2014\u2014\u2014\u800c\u975e\u5bf9\u8c61\u5bb9\u5668\u7684\u5185\u90e8\u5b9e\u73b0\u2014\u2014\u2014\u2014\u53d1\u751f\u4f9d\u8d56\uff0c\u4ece\u800c\u66f4\u80fd\u201c\u5e94\u5bf9\u53d8\u5316\u201d\u3002<br \/>\n&#8211; Composite\u6a21\u5f0f\u5728\u5177\u4f53\u5b9e\u73b0\u4e2d\uff0c\u53ef\u4ee5\u8ba9\u7236\u5bf9\u8c61\u4e2d\u7684\u5b50\u5bf9\u8c61\u53cd\u5411\u8ffd\u6eaf\uff1b\u5982\u679c\u7236\u5bf9\u8c61\u6709\u9891\u7e41\u7684\u904d\u5386\u9700\u6c42\uff0c\u53ef\u4f7f\u7528\u7f13\u5b58\u6280\u5de7\u6765\u6539\u5584\u6548\u7387\u3002<\/p>\n<h2>\u8fed\u4ee3\u5668\uff08Iterator\uff09<\/h2>\n<ul>\n<li>\u5728\u8f6f\u4ef6\u6784\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u96c6\u5408\u5bf9\u8c61\u5185\u90e8\u7ed3\u6784\u5e38\u5e38\u53d8\u5316\u5404\u5f02\u3002\u4f46\u5bf9\u4e8e\u8fd9\u4e9b\u96c6\u5408\u5bf9\u8c61\uff0c\u6211\u4eec\u5e0c\u671b\u5728\u4e0d\u66b4\u9732\u5176\u5185\u90e8\u7ed3\u6784\u7684\u540c\u65f6\uff0c\u53ef\u4ee5\u8ba9\u5916\u90e8\u5ba2\u6237\u4ee3\u7801\u900f\u660e\u5730\u8bbf\u95ee\u5176\u4e2d\u5305\u542b\u7684\u5143\u7d20\uff1b\u540c\u65f6\u8fd9\u79cd\u201c\u900f\u660e\u904d\u5386\u201d\u4e5f\u4e3a\u201c\u540c\u4e00\u79cd\u7b97\u6cd5\u5728\u591a\u79cd\u96c6\u5408\u5bf9\u8c61\u4e0a\u8fdb\u884c\u64cd\u4f5c\u201d\u63d0\u4f9b\u4e86\u53ef\u80fd\u3002<\/li>\n<li>\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u6280\u672f\u5c06\u8fd9\u79cd\u904d\u5386\u673a\u5236\u62bd\u8c61\u4e3a\u201c\u8fed\u4ee3\u5668\u5bf9\u8c61\u201d\u4e3a\u201c\u5e94\u5bf9\u53d8\u5316\u4e2d\u7684\u96c6\u5408\u5bf9\u8c61\u201d\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u5f0f\u3002<\/li>\n<li>\u4f46\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u8fed\u4ee3\u5668\u5728C++\u5df2\u7ecf\u8fc7\u65f6\u4e86\uff0cC++\u7684STL\u5e93\u91cc\u7684\u8fed\u4ee3\u5668\u662f\u4f7f\u7528\u6a21\u677f\u5b9e\u73b0\uff08\u6cdb\u578b\u7f16\u7a0b\uff0c\u7f16\u8bd1\u65f6\u591a\u6001\uff09<\/li>\n<\/ul>\n<p>\u6a21\u5f0f\u5b9a\u4e49\uff1a<strong>\u63d0\u4f9b\u4e00\u79cd\u65b9\u6cd5\u987a\u5e8f\u8bbf\u95ee\u4e00\u4e2a\u805a\u5408\u5bf9\u8c61\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\uff0c\u800c\u53c8\u4e0d\u66b4\u9732\u8be5\u5bf9\u8c61\u7684\u5185\u90e8\u8868\u793a\u3002<\/strong><br \/>\n\u9762\u5411\u5bf9\u8c61\u5b9e\u73b0\u7684\u8fed\u4ee3\u5668\uff1a<\/p>\n<pre><code class=\"language-cpp line-numbers\">template&lt;typename T&gt;\nclass Iterator{\npublic:\n    virtual void first() = 0;\/\/\n    virtual void next() = 0;\n    virtual bool isDone() const = 0;\n    virtual T&amp; current() = 0;\n};\n\n\/\/ \u6570\u636e\u7684\u5bb9\u5668\ntemplate&lt;typename T&gt;\nclass MyCollection{\npublic:\n    Iterator&lt;T&gt; GetIterator(){ \/\/ \u8fd4\u56de\u8fed\u4ee3\u5668\n        \/\/ ...\n    }\n}\n\n\/\/ \u6570\u636e\u5bb9\u5668\u7684\u8fed\u4ee3\u5668\ntemplate&lt;typename T&gt;\nclass CollectionIterator : public Iterator&lt;T&gt;{\n    MyCollection&lt;T&gt; mc;\npublic:\n    CollectionIterator(const MyCollection&lt;T&gt; &amp;c) : mc(c){ }\n    void first() override {}\n    void next() override {}\n    bool isDone() override {}\n    T&amp; current() override {}\n};\n\nvoid myAlgorithm(){\n    MyCollection&lt;int&gt; mc;\n    Iterator&lt;int&gt; iter = mc.GetIterator();\n    for(iter.first(); !iter.isDone(); iter.next()){ \/\/ \u591a\u6001\u673a\u5236\u8c03\u7528\uff0c\u4f46\u5176\u5b9e\u591a\u6001\u4f1a\u6709\u6027\u80fd\u635f\u8017\uff0c\u4ed6\u4f1a\u5148\u627e\u865a\u6307\u9488\u518d\u627e\u865a\u8868\uff0c\u5f53\u8fed\u4ee3\u6b21\u6570\u8fc7\u591a\u65f6\uff0c\u6027\u80fd\u635f\u5931\u660e\u663e\u3002\n        cout &lt;&lt; iter.current() &lt;&lt; endl;\n    }\n}\n\n<\/code><\/pre>\n<p>\u8981\u70b9\u603b\u7ed3\uff1a<br \/>\n&#8211; \u8fed\u4ee3\u62bd\u8c61\uff1a\u8bbf\u95ee\u4e00\u4e2a\u805a\u5408\u5bf9\u8c61\u7684\u5185\u5bb9\u800c\u65e0\u9700\u66b4\u9732\u5b83\u7684\u5185\u90e8\u8868\u793a<br \/>\n&#8211; \u8fed\u4ee3\u591a\u6001\uff1a\u4e3a\u904d\u5386\u4e0d\u540c\u7684\u96c6\u5408\u7ed3\u6784\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u7684\u63a5\u53e3\uff0c\u4ece\u800c\u652f\u6301\u540c\u6837\u7684\u7b97\u6cd5\u5728\u4e0d\u540c\u7684\u96c6\u5408\u7ed3\u6784\u4e0a\u8fdb\u884c\u64cd\u4f5c<br \/>\n&#8211; \u8fed\u4ee3\u5668\u7684\u5065\u58ee\u6027\u8003\u8651\uff1a\u904d\u5386\u7684\u540c\u65f6\u66f4\u6539\u8fed\u4ee3\u5668\u6240\u5728\u7684\u96c6\u5408\u7ed3\u6784\uff0c\u4f1a\u5bfc\u81f4\u95ee\u9898\u3002<\/p>\n<h2>\u804c\u8d23\u94fe\uff08Chain of Resposibility\uff09<\/h2>\n<ul>\n<li>\u5728\u8f6f\u4ef6\u6784\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a\u8bf7\u6c42\u53ef\u80fd\u88ab\u591a\u4e2a\u5bf9\u8c61\u5904\u7406\uff0c\u4f46\u662f\u6bcf\u4e2a\u8bf7\u6c42\u5728\u8fd0\u884c\u65f6\u53ea\u80fd\u6709\u4e00\u4e2a\u63a5\u53d7\u8005\uff0c\u5982\u679c\u663e\u793a\u6307\u5b9a\uff0c\u5c06\u5fc5\u4e0d\u53ef\u5c11\u5730\u5e26\u6765\u8bf7\u6c42\u53d1\u9001\u8005\u4e0e\u63a5\u6536\u8005\u7684\u7d27\u8026\u5408\u3002<\/li>\n<li>\u5982\u4f55\u4f7f\u8bf7\u6c42\u7684\u53d1\u9001\u8005\u4e0d\u9700\u8981\u6307\u5b9a\u5177\u4f53\u7684\u63a5\u6536\u8005\uff1f\u8ba9\u8bf7\u6c42\u7684\u63a5\u6536\u8005\u81ea\u5df1\u5728\u8fd0\u884c\u65f6\u51b3\u5b9a\u6765\u5904\u7406\u8bf7\u6c42\uff0c\u4ece\u800c\u4f7f\u4e24\u8005\u89e3\u8026\u3002<\/li>\n<\/ul>\n<p>\u6a21\u5f0f\u5b9a\u4e49\uff1a<br \/>\n<strong>\u4f7f\u591a\u4e2a\u5bf9\u8c61\u90fd\u6709\u673a\u4f1a\u5904\u7406\u8bf7\u6c42\uff0c\u4ece\u800c\u907f\u514d\u8bf7\u6c42\u7684\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u4e4b\u95f4\u7684\u8026\u5408\u5173\u7cfb\u3002<\/strong>\u5c06\u8fd9\u4e9b\u5bf9\u8c61\u8fde\u6210\u4e00\u6761\u94fe\uff0c\u5e76\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012\u8bf7\u6c42\uff0c\u76f4\u5230\u6709\u4e00\u4e2a\u5bf9\u8c61\u5904\u7406\u5b83\u4e3a\u6b62<\/p>\n<pre><code class=\"language-cpp line-numbers\">enum class RequestType{\n    REQ_HANDLE01,\n    REQ_HANDLE02,\n    REQ_HANDLE03\n};\n\nclass Request{\n    string description;\n    RequestType reqType;\npublic:\n    Request(const string &amp;desc, RequestType type) : desciption(desc), reqType(type) {}\n    RequestType getReqType() const { return reqType; }\n    const string &amp;getDescription() const { return description; }\n};\n\nclass ChainHandler{\n    ChainHandler *nextChain;\n    void sendRequestToNextHandler(const Request &amp;req){\n        if (nextChain != nullptr) nextChain-&gt;handle(req);\n    }\nprotected:\n    virtual bool canHandleRequest(const Request &amp;req) = 0;\n    virtual void processRequest(const Request &amp;req ) = 0;\npublic:\n    ChainHandler(ChainHandler *next=nullptr) : nextChain(next) {  }\n    void setNextChain(ChainHandler *next) { nextChain = next; }\n    void handle(const Request &amp; req){\n        if (canHandleRequest(req)){\n            processRequest(req);\n        }else{\n            sendRequestToNextHandler(req);\n        }\n    }\n};\n\nclass Handler01 : public ChainHandler{\nprotected:\n    bool canHandleRequest(const Request &amp;req) override{\/\/ \u5f53\u7136\u5b9e\u9645\u7684\u5224\u65ad\u662f\u5426\u80fd\u8bf7\u6c42\u53ef\u80fd\u4e0d\u5982\u6b64\u7b80\u5355\n        return req.getReqType() == RequestType::REQ_HANDLE01;\n    }\n    void processRequest(const Request &amp; req) override{\n        \/\/ \u5904\u7406\u8be5\u8bf7\u6c42\n    }\n};\n\nclass Handler02 : public ChainHandler{\nprotected:\n    bool canHandleRequest(const Request &amp;req) override{\/\/ \u5f53\u7136\u5b9e\u9645\u7684\u5224\u65ad\u662f\u5426\u80fd\u8bf7\u6c42\u53ef\u80fd\u4e0d\u5982\u6b64\u7b80\u5355\n        return req.getReqType() == RequestType::REQ_HANDLE02;\n    }\n    void processRequest(const Request &amp; req) override{\n        \/\/ \u5904\u7406\u8be5\u8bf7\u6c42\n    }\n};\n\nint main(){\n    ChainHandler node03;\n    ChainHandler node02(node03);\n    ChainHandler node01(node02);\n\n    Request req(\"process task ...\", RequestType::REQ_HANDLE02);\n    node01.handle(req);\n\n    return 0;\n}\n\n<\/code><\/pre>\n<p>\u8981\u70b9\u603b\u7ed3\uff1a<br \/>\n&#8211; Chain of Responsibility\u6a21\u5f0f\u7684\u5e94\u7528\u573a\u5408\u5728\u4e8e\u201c\u4e00\u4e2a\u8bf7\u6c42\u53ef\u80fd\u6709\u591a\u4e2a\u63a5\u53d7\u8005\uff0c\u4f46\u662f\u6700\u540e\u771f\u6b63\u7684\u63a5\u53d7\u8005\u53ea\u6709\u4e00\u4e2a\u201d\uff0c\u8fd9\u65f6\u5019\u8bf7\u6c42\u53d1\u9001\u8005\u4e0e\u63a5\u53d7\u8005\u7684\u8026\u5408\u6709\u53ef\u80fd\u51fa\u73b0\u201c\u53d8\u5316\u8106\u5f31\u201d\u7684\u75c7\u72b6\uff0c\u804c\u8d23\u94fe\u7684\u76ee\u7684\u5c31\u662f\u5c06\u4e8c\u8005\u89e3\u8026\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5e94\u5bf9\u53d8\u5316\u3002<br \/>\n&#8211; \u5e94\u7528\u4e86Chain of Responsibility\u6a21\u5f0f\u540e\uff0c\u5bf9\u8c61\u7684\u804c\u8d23\u5206\u6d3e\u5c06\u66f4\u5177\u6709\u7075\u6d3b\u6027\u3002\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u6dfb\u52a0\/\u4fee\u6539\u8bf7\u6c42\u7684\u5904\u7406\u804c\u8d23\u3002<br \/>\n&#8211; \u5982\u679c\u8bf7\u6c42\u4f20\u9012\u5230\u804c\u8d23\u94fe\u7684\u672b\u5c3e\u4ecd\u5f97\u4e0d\u5230\u5904\u7406\uff0c\u5e94\u8be5\u6709\u4e00\u4e2a\u5408\u7406\u7684\u7f3a\u7701\u673a\u5236\u3002\u8fd9\u4e5f\u662f\u6bcf\u4e00\u4e2a\u63a5\u6536\u5bf9\u8c61\u7684\u8d23\u4efb\uff0c\u800c\u4e0d\u662f\u53d1\u51fa\u5bf9\u8c61\u7684\u8d23\u4efb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201c\u6570\u636e\u7ed3\u6784\u201d\u6a21\u5f0f \u5e38\u5e38\u6709\u4e00\u4e9b\u7ec4\u4ef6\u5728\u5185\u90e8\u5177\u6709\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u679c\u8ba9\u5ba2\u6237\u7a0b\u5e8f\u4f9d\u8d56\u8fd9\u4e9b\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5c06\u6781\u5927\u5730\u7834\u574f\u7ec4&hellip;<a href=\"https:\/\/www.notown.top\/?p=774\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">\u6570\u636e\u7ed3\u6784\u6a21\u5f0f\uff08\u7ec4\u5408\u3001\u8fed\u4ee3\u5668\u3001\u804c\u8d23\u94fe\uff09<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-774","post","type-post","status-publish","format-standard","hentry","category-22"],"_links":{"self":[{"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/posts\/774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.notown.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=774"}],"version-history":[{"count":4,"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/posts\/774\/revisions"}],"predecessor-version":[{"id":776,"href":"https:\/\/www.notown.top\/index.php?rest_route=\/wp\/v2\/posts\/774\/revisions\/776"}],"wp:attachment":[{"href":"https:\/\/www.notown.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.notown.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.notown.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}