{"id":1118,"date":"2023-03-16T21:19:51","date_gmt":"2023-03-16T13:19:51","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1118"},"modified":"2023-04-29T11:17:44","modified_gmt":"2023-04-29T03:17:44","slug":"design-pattern-responsibility-chain-pattern","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/16\/design-pattern-responsibility-chain-pattern\/","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\uff089\uff09\u8d23\u4efb\u94fe\u6a21\u5f0f"},"content":{"rendered":"<h2>\u5b9a\u4e49<\/h2>\n<p>\u8d23\u4efb\u94fe\u6a21\u5f0f\u662f\u884c\u4e3a\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\uff0c\u5b83\u4f7f\u591a\u4e2a\u5bf9\u8c61\u90fd\u6709\u673a\u4f1a\u5904\u7406\u8bf7\u6c42\uff0c\u4ece\u800c\u907f\u514d\u4e86\u8bf7\u6c42\u7684\u53d1\u9001\u8005\u548c\u63a5\u53d7\u8005\u4e4b\u95f4\u7684\u8026\u5408\u5173\u7cfb\u3002\u5c06\u8fd9\u4e9b\u5bf9\u8c61\u8fde\u6210\u4e00\u6761\u94fe\uff0c\u5e76\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012\u8be5\u8bf7\u6c42\uff0c\u76f4\u5230\u6709\u5bf9\u8c61\u5904\u7406\u5b83\u4e3a\u6b62\u3002<\/p>\n<p><!-- more --><\/p>\n<h2>\u4f7f\u7528\u573a\u666f<\/h2>\n<ul>\n<li>\u591a\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5904\u7406\u540c\u4e00\u8bf7\u6c42\uff0c\u4f46\u5177\u4f53\u7531\u54ea\u4e2a\u5bf9\u8c61\u5904\u7406\u5219\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u51b3\u5b9a 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+&quot;\u5143&quot;);\n    }\n\n    @Override\n    public String getLeader() {\n        return &quot;\u5f53\u524d\u662f\u4e3b\u7ba1&quot;;\n    }\n}<\/code><\/pre>\n<p>\u7ecf\u7406\uff08\u989d\u5ea610000\uff09\uff1a<\/p>\n<pre><code class=\"language-java\">public class Manager extends Leade{\n\n    @Override\n    public int limit() {\n        return 10000;\n    }\n\n    @Override\n    public void handle(int money) {\n        System.out.println(&quot;\u7ecf\u7406\u6279\u590d\u62a5\u9500&quot;+ money +&quot;\u5143&quot;);\n    }\n\n    @Override\n    public String getLeader() {\n        return &quot;\u5f53\u524d\u662f\u7ecf\u7406&quot;;\n    }\n}<\/code><\/pre>\n<p>\u8001\u677f\uff08\u989d\u5ea6\u2026\uff09:<\/p>\n<pre><code class=\"language-java\">public class Boss extends Leader{\n\n    @Override\n    public int limit() {\n        return Integer.MAX_VALUE;\n    }\n\n    @Override\n    public void handle(int money) {\n        System.out.println(&quot;\u8001\u677f\u6279\u590d\u62a5\u9500&quot;+ money +&quot;\u5143&quot;);\n    }\n\n    @Override\n    public String getLeader() {\n        return &quot;\u5f53\u524d\u662f\u8001\u677f&quot;;\n    }\n}<\/code><\/pre>\n<p>\u53d1\u8d77\u7533\u8bf7\uff1a<\/p>\n<pre><code class=\"language-java\">public class Client {\n    public static void main(String[] args) {\n        \/\/\u6784\u9020\u5404\u4e2a\u9886\u5bfc\u5bf9\u8c61\n        GroupLeader groupLeader = new GroupLeader();\n        Director director = new Director();\n        Manager manager = new Manager();\n        Boss boss = new Boss();\n        \/\/\u8bbe\u7f6e\u4e0a\u7ea7\u9886\u5bfc\u5904\u7406\u8005\u5bf9\u8c61\n        groupLeader.nextHandler = director;\n        director.nextHandler = manager;\n        manager.nextHandler = boss;\n\n        \/\/\u53d1\u8d77\u62a5\u8d26\u7533\u8bf7\n        groupLeader.handleRequest(8000);\n    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