{"id":1927,"date":"2023-06-19T17:58:39","date_gmt":"2023-06-19T09:58:39","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1927"},"modified":"2023-07-13T15:45:02","modified_gmt":"2023-07-13T07:45:02","slug":"%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b9%8b%e5%b7%a5%e5%8e%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b9%8b%e5%b7%a5%e5%8e%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f"},"content":{"rendered":"
\n

\u5de5\u5382\u6a21\u5f0f\u662f\u4e00\u79cd\u5e38\u7528\u7684\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f<\/span>\uff0c\u5b83\u901a\u8fc7\u4e00\u4e2a\u5171\u540c\u7684\u63a5\u53e3\u6765\u521b\u5efa\u4e00\u4e9b\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5176\u5177\u4f53\u7684\u7c7b\u3002<\/p>\n

\u4e00\u3001\u5de5\u5382\u6a21\u5f0f\u5206\u7c7b<\/span><\/p>\n

\u5de5\u5382\u6a21\u5f0f\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n

    \n
  1. \n

    \u7b80\u5355\u5de5\u5382\u6a21\u5f0f<\/span>\uff1a\u7531\u4e00\u4e2a\u5de5\u5382\u7c7b\u6839\u636e\u4f20\u5165\u7684\u53c2\u6570\uff0c\u51b3\u5b9a\u521b\u5efa\u54ea\u79cd\u4ea7\u54c1\u7c7b\u7684\u5b9e\u4f8b\u3002<\/p>\n<\/li>\n

  2. \n

    \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f<\/span>\uff1a\u5b9a\u4e49\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u5bf9\u8c61\u7684\u63a5\u53e3\uff0c\u8ba9\u5b50\u7c7b\u51b3\u5b9a\u5b9e\u4f8b\u5316\u54ea\u4e2a\u7c7b\u3002\u4f7f\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u5316\u5ef6\u8fdf\u5230\u5176\u5b50\u7c7b\u3002<\/p>\n<\/li>\n

  3. \n

    \u62bd\u8c61\u5de5\u5382<\/span>\u6a21\u5f0f<\/span>\uff1a\u63d0\u4f9b\u4e00\u4e2a\u63a5\u53e3\uff0c\u7528\u4e8e\u521b\u5efa\u76f8\u5173\u6216\u4f9d\u8d56\u5bf9\u8c61\u7684\u5bb6\u65cf\uff0c\u800c\u4e0d\u9700\u8981\u660e\u786e\u6307\u5b9a\u5177\u4f53\u7c7b\u3002<\/p>\n<\/li>\n<\/ol>\n

    \n

    \u4e8c\u3001\u5de5\u5382\u6a21\u5f0f\u8be6\u89e3<\/span><\/p>\n

    \u200b\u4e0b\u9762\u5206\u522b\u8be6\u7ec6\u8bb2\u89e3\u6bcf\u4e00\u79cd\u5de5\u5382\u6a21\u5f0f\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e3e\u4f8b\uff0c\u7ed9\u51fa\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n

      \n
    1. \n

      \u200b\u7b80\u5355\u5de5\u5382\u6a21\u5f0f<\/p>\n<\/li>\n<\/ol>\n

      \u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u53c8\u53eb\u9759\u6001\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\uff0c\u5b83\u5c5e\u4e8e\u7c7b\u521b\u5efa\u578b\u6a21\u5f0f\u3002\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u662f\u7531\u4e00\u4e2a\u5de5\u5382\u7c7b\u6839\u636e\u4f20\u5165\u7684\u53c2\u6570\uff0c\u52a8\u6001\u51b3\u5b9a\u521b\u5efa\u54ea\u79cd\u4ea7\u54c1\u7c7b\u7684\u5b9e\u4f8b\u3002\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u9002\u7528\u4e8e\u5de5\u5382\u7c7b\u8d1f\u8d23\u521b\u5efa\u7684\u5bf9\u8c61\u6bd4\u8f83\u5c11\u7684\u573a\u666f\u3002<\/p>\n

      \u5e94\u7528\u573a\u666f<\/span>\uff1a<\/p>\n

      \u5047\u8bbe\u4e00\u4e2a\u7cfb\u7edf\u9700\u8981\u8bb0\u5f55\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u4f8b\u5982\u6587\u4ef6\u65e5\u5fd7\u3001\u6570\u636e\u5e93\u65e5\u5fd7\u3001\u63a7\u5236\u53f0\u65e5\u5fd7\u7b49\u3002\u7cfb\u7edf\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u53ef\u4ee5\u6309\u7167\u7528\u6237\u8981\u6c42\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u65e5\u5fd7\u7684\u5de5\u5382\u7c7b\u3002<\/p>\n

      \u793a\u4f8b\u4ee3\u7801<\/span>\uff1a<\/p>\n

      \u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u65e5\u5fd7\u63a5\u53e3ILog\uff0c\u5b83\u5305\u542b\u4e00\u4e2a\u5199\u65e5\u5fd7\u7684\u65b9\u6cd5writeLog()\uff1a<\/p>\n

      \n
      \n
      public<\/span> interface<\/span> ILog<\/span> {<\/span><\/code>    void<\/span> writeLog<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
      \u00a0<\/code><\/p>\n<\/div>\n
      \u7136\u540e\u5b9a\u4e49\u4e09\u4e2a\u5177\u4f53\u7684\u65e5\u5fd7\u7c7b\uff1aFileLog\u3001DatabaseLog\u548cConsoleLog\uff1a<\/p>\n
      \n
      \n
      public<\/span> class<\/span> FileLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u6587\u4ef6\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> DatabaseLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u6570\u636e\u5e93\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> ConsoleLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u63a7\u5236\u53f0\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
      \u00a0<\/code><\/p>\n<\/div>\n
      \u6700\u540e\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u5de5\u5382\u7c7b\uff0c\u6839\u636e\u4f20\u5165\u7684\u53c2\u6570\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u5bf9\u8c61\uff1a<\/p>\n
      \n
      \n
      public<\/span> class<\/span> LoggerFactory {<\/span><\/code>\n    public<\/span> static<\/span> ILog createLogger(String<\/span> type<\/span>) {<\/span><\/code>\n        if<\/span> (\"file\"<\/span>.equals(type<\/span>)) {<\/span><\/code>\n            return<\/span> new<\/span> FileLog();<\/span><\/code>\n        } else<\/span> if<\/span> (\"database\"<\/span>.equals(type<\/span>)) {<\/span><\/code>\n            return<\/span> new<\/span> DatabaseLog();<\/span><\/code>\n        } else<\/span> if<\/span> (\"console\"<\/span>.equals(type<\/span>)) {<\/span><\/code>\n            return<\/span> new<\/span> ConsoleLog();<\/span><\/code>\n        } else<\/span> {<\/span><\/code>\n            throw<\/span> new<\/span> IllegalArgumentException(\"unsupported type: \"<\/span> + type<\/span>);<\/span><\/code>\n        }<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
      \u00a0<\/code><\/p>\n<\/div>\n
      \u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f20\u5165\u4e0d\u540c\u7684\u53c2\u6570\u6765\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u5bf9\u8c61\uff1a<\/p>\n
      \n
      \n
      public<\/span> class<\/span> Main<\/span> {<\/span><\/span><\/code>\n    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> <\/span>{<\/span><\/code>\n        ILog log<\/span> = LoggerFactory.createLogger(\"file\"<\/span>);<\/span><\/code>\n        log<\/span>.writeLog();<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
      \u00a0<\/code><\/p>\n<\/div>\n
        \n
      1. \n
        \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f<\/p>\n<\/li>\n<\/ol>\n
        \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u5b9a\u4e49\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u5bf9\u8c61\u7684\u63a5\u53e3\uff0c\u8ba9\u5b50\u7c7b\u51b3\u5b9a\u5b9e\u4f8b\u5316\u54ea\u4e2a\u7c7b\u3002\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u4f7f\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u5316\u5ef6\u8fdf\u5230\u5176\u5b50\u7c7b\u3002<\/p>\n
        \u5e94\u7528\u573a\u666f\uff1a<\/span><\/p>\n
        \u5047\u8bbe\u4e00\u4e2a\u7cfb\u7edf\u9700\u8981\u8bb0\u5f55\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u4f8b\u5982\u6587\u4ef6\u65e5\u5fd7\u3001\u6570\u636e\u5e93\u65e5\u5fd7\u3001\u63a7\u5236\u53f0\u65e5\u5fd7\u7b49\u3002\u7cfb\u7edf\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u53ef\u4ee5\u6309\u7167\u7528\u6237\u8981\u6c42\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u65e5\u5fd7\u7684\u5de5\u5382\u63a5\u53e3\uff0c\u5e76\u8ba9\u5177\u4f53\u5de5\u5382\u7c7b\u53bb\u5b9e\u73b0\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u5bf9\u8c61\u521b\u5efa\u3002<\/p>\n
        \u793a\u4f8b\u4ee3\u7801\uff1a<\/span><\/p>\n
        \u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u65e5\u5fd7\u63a5\u53e3ILog\uff0c\u5b83\u5305\u542b\u4e00\u4e2a\u5199\u65e5\u5fd7\u7684\u65b9\u6cd5writeLog()\uff1a<\/p>\n
        \n
        \n
        public<\/span> interface<\/span> ILog<\/span> {<\/span><\/code>\n    void<\/span> writeLog<\/span>()<\/span>;<\/span><\/code>\n}<\/span><\/code><\/pre>\n<\/section>\n
        \u00a0<\/code><\/p>\n<\/div>\n
        \u7136\u540e\u5b9a\u4e49\u4e09\u4e2a\u5177\u4f53\u7684\u65e5\u5fd7\u7c7b\uff1aFileLog\u3001DatabaseLog\u548cConsoleLog\uff1a<\/p>\n
        \n
        \n
        public<\/span> class<\/span> FileLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u6587\u4ef6\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> DatabaseLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u6570\u636e\u5e93\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> ConsoleLog<\/span> implements<\/span> ILog<\/span> <\/span>{<\/span><\/code>\n    public<\/span> void<\/span> writeLog<\/span>()<\/span> <\/span>{<\/span><\/code>\n        System.out.println(\"\u8bb0\u5f55\u63a7\u5236\u53f0\u65e5\u5fd7...\"<\/span>);<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
        \u00a0<\/code><\/p>\n<\/div>\n
        \u63a5\u4e0b\u6765\u5b9a\u4e49\u4e00\u4e2a\u65e5\u5fd7\u5de5\u5382\u63a5\u53e3ILoggerFactory\uff0c\u5b83\u5305\u542b\u4e00\u4e2a\u521b\u5efa\u65e5\u5fd7\u5bf9\u8c61\u7684\u5de5\u5382\u65b9\u6cd5createLogger()\uff1a<\/p>\n
        \n
        \n
        public<\/span> interface<\/span> ILoggerFactory<\/span> {<\/span><\/code>\n    ILog createLogger<\/span>()<\/span>;<\/span><\/code>\n}<\/span><\/code><\/pre>\n<\/section>\n<\/div>\n
        \u7136\u540e\u5b9a\u4e49\u4e09\u4e2a\u5177\u4f53\u7684\u65e5\u5fd7\u5de5\u5382\u7c7b\uff1aFileLoggerFactory\u3001DatabaseLoggerFactory\u548cConsoleLoggerFactory\uff0c\u5206\u522b\u7528\u4e8e\u521b\u5efaFileLog\u3001DatabaseLog\u548cConsoleLog\u5bf9\u8c61\uff1a<\/p>\n
        \n
        \n
        public<\/span> class<\/span> FileLoggerFactory<\/span> implements<\/span> ILoggerFactory<\/span> <\/span>{<\/span><\/code>\n    public<\/span> ILog createLogger<\/span>()<\/span> <\/span>{<\/span><\/code>\n        return<\/span> new<\/span> FileLog();<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> DatabaseLoggerFactory<\/span> implements<\/span> ILoggerFactory<\/span> <\/span>{<\/span><\/code>\n    public<\/span> ILog createLogger<\/span>()<\/span> <\/span>{<\/span><\/code>\n        return<\/span> new<\/span> DatabaseLog();<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> ConsoleLoggerFactory<\/span> implements<\/span> ILoggerFactory<\/span> <\/span>{<\/span><\/code>\n    public<\/span> ILog createLogger<\/span>()<\/span> <\/span>{<\/span><\/code>\n        return<\/span> new<\/span> ConsoleLog();<\/span><\/code>\n    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
        \u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u5177\u4f53\u5de5\u5382\u7c7b\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u7684\u65e5\u5fd7\u5bf9\u8c61\uff1a<\/span><\/p>\n<\/div>\n
        \n
        \n
        public<\/span> class<\/span> Main<\/span> {<\/span><\/span><\/code>    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> <\/span>{<\/span><\/code>        ILoggerFactory factory = new<\/span> FileLoggerFactory();<\/span><\/code>        ILog log<\/span> = factory.createLogger();<\/span><\/code>        log<\/span>.writeLog();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
        \u00a0<\/code><\/p>\n<\/div>\n
          \n
        1. \n
          \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f<\/p>\n<\/li>\n<\/ol>\n
          \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u662f\u4e00\u79cd\u5e38\u7528\u7684\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u63d0\u4f9b\u4e00\u4e2a\u63a5\u53e3\uff0c\u7528\u4e8e\u521b\u5efa\u76f8\u5173\u6216\u4f9d\u8d56\u5bf9\u8c61\u7684\u5bb6\u65cf\uff0c\u800c\u4e0d\u9700\u8981\u660e\u786e\u6307\u5b9a\u5177\u4f53\u7c7b\u3002\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u521b\u5efa\u4e00\u7ec4\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5de5\u5382\u63a5\u53e3\u6765\u5b9e\u73b0\u3002<\/p>\n
          \u5e94\u7528\u573a\u666f\uff1a<\/span><\/p>\n
          \u5047\u8bbe\u4e00\u4e2a\u7cfb\u7edf\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u56fe\u5f62\u754c\u9762\u5e93\uff0c\u5176\u4e2d\u5305\u542b\u4e0d\u540c\u79cd\u7c7b\u7684\u754c\u9762\u5143\u7d20\uff0c\u4f8b\u5982\u6309\u94ae\u3001\u6587\u672c\u6846\u3001\u590d\u9009\u6846\u7b49\u3002\u6bcf\u79cd\u5143\u7d20\u53c8\u5206\u4e3a\u4e0d\u540c\u7684\u4e3b\u9898\u98ce\u683c\uff0c\u4f8b\u5982 Windows \u98ce\u683c\u3001Mac \u98ce\u683c\u3001Linux \u98ce\u683c\u7b49\u3002\u7cfb\u7edf\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u62bd\u8c61\u5de5\u5382\u6765\u521b\u5efa\u4e0d\u540c\u79cd\u7c7b\u7684\u754c\u9762\u5143\u7d20\uff0c\u4f7f\u5f97\u8fd9\u4e9b\u5143\u7d20\u80fd\u591f\u548c\u4e3b\u9898\u98ce\u683c\u76f8\u5bf9\u5e94\u3002<\/p>\n
          \u793a\u4f8b\u4ee3\u7801<\/span>:<\/p>\n
          \u9996\u5148\u5b9a\u4e49\u62bd\u8c61\u4ea7\u54c1\u63a5\u53e3IButton\u3001ITextField\u548cICheckBox\uff0c\u5b83\u4eec\u90fd\u5305\u542b\u4e00\u4e2a\u663e\u793a\u7684\u65b9\u6cd5display()\uff1a<\/p>\n
          \n
          \n
          public<\/span> interface<\/span> IButton<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> interface<\/span> ITextField<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> interface<\/span> ICheckBox<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
          \u7136\u540e\u5b9a\u4e49\u4e09\u79cd\u4e3b\u9898\u98ce\u683c\u4e0b\u7684\u5177\u4f53\u4ea7\u54c1\u7c7b\uff1aWindowsButton\u3001WindowsTextField\u3001WindowsCheckBox\u3001MacButton\u3001MacTextField\u3001MacCheckBox\u3001LinuxButton\u3001LinuxTextField\u548cLinuxCheckBox\uff1a<\/span><\/p>\n<\/div>\n
          \n
          \n
          public<\/span> class<\/span> WindowsButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aWindows\u98ce\u683c\u6309\u94ae...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> WindowsTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aWindows\u98ce\u683c\u6587\u672c\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> WindowsCheckBox<\/span> implements<\/span> ICheckBox<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aWindows\u98ce\u683c\u590d\u9009\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aMac\u98ce\u683c\u6309\u94ae...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aMac\u98ce\u683c\u6587\u672c\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacCheckBox<\/span> implements<\/span> ICheckBox<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aMac\u98ce\u683c\u590d\u9009\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aLinux\u98ce\u683c\u6309\u94ae...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aLinux\u98ce\u683c\u6587\u672c\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxCheckBox<\/span> implements<\/span> ICheckBox<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"\u663e\u793aLinux\u98ce\u683c\u590d\u9009\u6846...\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
          \u63a5\u4e0b\u6765\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u5de5\u5382\u63a5\u53e3IGUIFactory\uff0c\u5b83\u5305\u542b\u4e09\u4e2a\u5de5\u5382\u65b9\u6cd5\uff1acreateButton()\u3001createTextField()\u548ccreateCheckBox()\uff0c\u7528\u4e8e\u521b\u5efa\u4e0d\u540c\u4e3b\u9898\u98ce\u683c\u4e0b\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\u5bf9\u8c61\uff1a<\/span>public<\/span> interface<\/span> IGUIFactory<\/span> {<\/span><\/code>    IButton createButton<\/span>()<\/span>;<\/span><\/code>    ITextField createTextField<\/span>()<\/span>;<\/span><\/code>    ICheckBox createCheckBox<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/p>\n<\/div>\n
          \n
          \u7136\u540e\u5b9a\u4e49\u4e09\u4e2a\u5177\u4f53\u7684\u4e3b\u9898\u98ce\u683c\u5de5\u5382\u7c7b\uff1aWindowsGUIFactory\u3001MacGUIFactory\u548cLinuxGUIFactory\uff0c\u5206\u522b\u7528\u4e8e\u521b\u5efaWindows\u98ce\u683c\u3001Mac\u98ce\u683c\u548cLinux\u98ce\u683c\u4e0b\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\u5bf9\u8c61\uff1a<\/span>public<\/span> class<\/span> WindowsGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsButton();<\/span><\/code>    }<\/span><\/code>    public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsTextField();<\/span><\/code>    }<\/span><\/code>    public<\/span> ICheckBox createCheckBox<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsCheckBox();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/p>\n<\/div>\n
          \n
          \n
          public<\/span> class<\/span> MacGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacButton();<\/span><\/code>    }<\/span><\/code>    public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacTextField();<\/span><\/code>    }<\/span><\/code>    public<\/span> ICheckBox createCheckBox<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacCheckBox();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxButton();<\/span><\/code>    }<\/span><\/code>    public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxTextField();<\/span><\/code>    }<\/span><\/code>    public<\/span> ICheckBox createCheckBox<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxCheckBox();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
          \u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u5177\u4f53\u5de5\u5382\u7c7b\u521b\u5efa\u4e0d\u540c\u4e3b\u9898\u98ce\u683c\u4e0b\u7684\u754c\u9762\u5143\u7d20\u5bf9\u8c61\uff1a<\/span><\/p>\n<\/div>\n
          \n
          public<\/span> class Main {<\/span><\/span><\/code>    public<\/span> static void main(String[] args) {<\/span><\/span><\/code>        IGUIFactory<\/span> factory = new WindowsGUIFactory();<\/span><\/span><\/code>        IButton<\/span> button = factory.createButton();<\/span><\/span><\/code>        ITextField<\/span> textField = factory.createTextField();<\/span><\/span><\/code>        ICheckBox<\/span> checkBox = factory.createCheckBox();<\/span><\/span><\/code>        button.display();<\/span><\/span><\/code>        textField.display();<\/span><\/span><\/code>        checkBox.display();<\/span><\/span><\/code><\/p>\n
                  factory<\/span> = new MacGUIFactory();<\/span><\/span><\/code>        button<\/span> = factory.createButton();<\/span><\/span><\/code>        textField<\/span> = factory.createTextField();<\/span><\/span><\/code>        checkBox<\/span> = factory.createCheckBox();<\/span><\/span><\/code>        button.display();<\/span><\/span><\/code>        textField.display();<\/span><\/span><\/code>        checkBox.display();<\/span><\/span><\/code>\n<\/code>        factory<\/span> = new LinuxGUIFactory();<\/span><\/span><\/code>        button<\/span> = factory.createButton();<\/span><\/span><\/code>        textField<\/span> = factory.createTextField();<\/span><\/span><\/code>        checkBox<\/span> = factory.createCheckBox();<\/span><\/span><\/code>        button.display();<\/span><\/span><\/code>        textField.display();<\/span><\/span><\/code>        checkBox.display();<\/span><\/span><\/code>    }<\/span><\/span><\/code>}<\/span><\/span><\/code><\/pre>\n<\/section>\n
          \u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5148\u521b\u5efa\u4e86\u4e00\u4e2aWindowsGUIFactory\u5de5\u5382\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7\u5b83\u5206\u522b\u521b\u5efa\u4e86\u4e00\u4e2aWindows\u98ce\u683c\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\uff0c\u5e76\u8c03\u7528\u4e86\u5b83\u4eec\u7684display()\u65b9\u6cd5\u8fdb\u884c\u663e\u793a\u3002\u63a5\u7740\uff0c\u6211\u4eec\u53c8\u521b\u5efa\u4e86\u4e00\u4e2aMacGUIFactory\u5de5\u5382\u5bf9\u8c61\uff0c\u901a\u8fc7\u5b83\u521b\u5efa\u4e86\u4e00\u4e2aMac\u98ce\u683c\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\uff0c\u5e76\u8c03\u7528\u4e86\u5b83\u4eec\u7684display()\u65b9\u6cd5\u8fdb\u884c\u663e\u793a\u3002\u6700\u540e\uff0c\u6211\u4eec\u53c8\u521b\u5efa\u4e86\u4e00\u4e2aLinuxGUIFactory\u5de5\u5382\u5bf9\u8c61\uff0c\u901a\u8fc7\u5b83\u521b\u5efa\u4e86\u4e00\u4e2aLinux\u98ce\u683c\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\uff0c\u5e76\u8c03\u7528\u4e86\u5b83\u4eec\u7684display()\u65b9\u6cd5\u8fdb\u884c\u663e\u793a\u3002<\/span><\/p>\n<\/div>\n
          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u4e00\u79cd\u53d8\u4f53\uff1a\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u3002\u5b83\u4e0e\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u3001\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u533a\u522b\u5728\u4e8e\uff0c\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800c\u662f\u53ef\u4ee5\u521b\u5efa\u4e00\u7ec4\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bcf\u4e2a\u5177\u4f53\u7684GUI\u5de5\u5382\u7c7b\u90fd\u53ef\u4ee5\u521b\u5efa\u4e00\u7ec4\u76f8\u4e92\u4f9d\u8d56\u7684\u754c\u9762\u5143\u7d20\u5bf9\u8c61\uff0c\u4f8b\u5982WindowsGUIFactory\u521b\u5efa\u7684\u662fWindows\u98ce\u683c\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u590d\u9009\u6846\u5bf9\u8c61\u3002<\/p>\n
          \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u901a\u5e38\u9002\u7528\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n
            \n
          1. \n
            \u7cfb\u7edf\u9700\u8981\u4e00\u7ec4\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61\uff0c\u5e76\u4e14\u8fd9\u4e9b\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\u9700\u8981\u7edf\u4e00\u7ba1\u7406\u3002<\/p>\n<\/li>\n
          2. \n
            \u7cfb\u7edf\u4e0d\u5e94\u4f9d\u8d56\u4e8e\u4ea7\u54c1\u7c7b\u5b9e\u4f8b\u5982\u4f55\u88ab\u521b\u5efa\u3001\u7ec4\u5408\u548c\u8868\u8fbe\u7684\u7ec6\u8282\uff0c\u8fd9\u4e9b\u7ec6\u8282\u5e94\u8be5\u88ab\u5c01\u88c5\u5728\u4e00\u4e2a\u5171\u540c\u7684\u63a5\u53e3\u4e2d\u3002<\/p>\n<\/li>\n
          3. \n
            \u7cfb\u7edf\u4e2d\u6709\u591a\u4e2a\u4ea7\u54c1\u65cf\uff0c\u800c\u6bcf\u6b21\u53ea\u4f7f\u7528\u5176\u4e2d\u67d0\u4e00\u65cf\u4ea7\u54c1\u3002\u4f8b\u5982\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86Windows\u3001Mac\u548cLinux\u4e09\u4e2a\u4ea7\u54c1\u65cf\uff0c\u4f46\u6bcf\u6b21\u53ea\u4f7f\u7528\u5176\u4e2d\u7684\u4e00\u4e2a\u3002<\/p>\n<\/li>\n<\/ol>\n
            \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u7684\u4f18\u70b9\u5305\u62ec\uff1a<\/p>\n
              \n
            1. \n
              \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u5c06\u5177\u4f53\u4ea7\u54c1\u7684\u7c7b\u540d\u5c01\u88c5\u8d77\u6765\uff0c\u4f7f\u5f97\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u77e5\u9053\u5b83\u4eec\u7684\u5b9e\u73b0\u7ec6\u8282\uff0c\u53ea\u9700\u8981\u77e5\u9053\u5b83\u4eec\u7684\u5171\u540c\u63a5\u53e3\u5373\u53ef\u3002<\/p>\n<\/li>\n
            2. \n
              \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4f7f\u5f97\u5ba2\u6237\u7aef\u4e0d\u4f9d\u8d56\u4e8e\u5177\u4f53\u4ea7\u54c1\u7c7b\uff0c\u800c\u662f\u4f9d\u8d56\u4e8e\u62bd\u8c61\u5de5\u5382\u63a5\u53e3\u548c\u62bd\u8c61\u4ea7\u54c1\u63a5\u53e3\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u5ba2\u6237\u7aef\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u6539\u53d8\u5177\u4f53\u5de5\u5382\u7c7b\u548c\u4ea7\u54c1\u7c7b\u3002<\/p>\n<\/li>\n<\/ol>\n
              \n
              \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u66f4\u52a0\u5b9e\u9645\u7684\u4f8b\u5b50\uff0c\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u521b\u5efa\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684UI\u7ec4\u4ef6\u5e93\u3002<\/p>\n
              \u5047\u8bbe\u6211\u4eec\u8981\u521b\u5efa\u4e00\u4e2aUI\u7ec4\u4ef6\u5e93\uff0c\u5176\u4e2d\u5305\u62ec\u6309\u94ae\u3001\u6587\u672c\u6846\u548c\u6807\u7b7e\u7b49\u5e38\u89c1\u7684\u7ec4\u4ef6\uff0c\u6211\u4eec\u5e0c\u671b\u5b83\u53ef\u4ee5\u5728Windows\u3001Mac\u548cLinux\u7b49\u591a\u4e2a\u5e73\u53f0\u4e0a\u8fd0\u884c\uff0c\u5e76\u4e14\u5728\u4e0d\u540c\u5e73\u53f0\u4e0a\u5c55\u73b0\u51fa\u5bf9\u5e94\u7684UI\u98ce\u683c\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u6765\u8bbe\u8ba1\u7ec4\u4ef6\u5e93\u7684\u7ed3\u6784\u3002<\/p>\n
              \u9996\u5148\uff0c\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u5de5\u5382\u63a5\u53e3\uff0c\u7528\u4e8e\u521b\u5efaUI\u7ec4\u4ef6\uff1a<\/p>\n
              \n
              public<\/span> interface<\/span> IGUIFactory<\/span> {<\/span><\/code>    IButton createButton<\/span>()<\/span>;<\/span><\/code>    ITextField createTextField<\/span>()<\/span>;<\/span><\/code>    ILabel createLabel<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/p>\n<\/section>\n
              \u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u5404\u4e2a\u5177\u4f53\u7684\u5de5\u5382\u7c7b\uff0c\u6bcf\u4e2a\u5de5\u5382\u7c7b\u90fd\u53ef\u4ee5\u521b\u5efa\u4e00\u7ec4\u76f8\u4e92\u4f9d\u8d56\u7684UI\u7ec4\u4ef6\uff1a<\/span><\/p>\n<\/div>\n
              \n
              public<\/span> class<\/span> WindowsGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsButton();<\/span><\/code>    }<\/span><\/code><\/p>\n
                  public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsTextField();<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> ILabel createLabel<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> WindowsLabel();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacButton();<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacTextField();<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> ILabel createLabel<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> MacLabel();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxGUIFactory<\/span> implements<\/span> IGUIFactory<\/span> <\/span>{<\/span><\/code>    public<\/span> IButton createButton<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxButton();<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> ITextField createTextField<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxTextField();<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> ILabel createLabel<\/span>()<\/span> <\/span>{<\/span><\/code>        return<\/span> new<\/span> LinuxLabel();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              \u5176\u4e2d\uff0c\u6bcf\u4e2a\u5177\u4f53\u5de5\u5382\u7c7b\u90fd\u5b9e\u73b0\u4e86IGUIFactory\u63a5\u53e3\uff0c\u5e76\u4e14\u5206\u522b\u521b\u5efa\u4e86\u4e0e\u5e73\u53f0\u5bf9\u5e94\u7684UI\u7ec4\u4ef6\u5bf9\u8c61\u3002<\/span><\/p>\n<\/div>\n
              \u63a5\u7740\uff0c\u6211\u4eec\u5b9a\u4e49UI\u7ec4\u4ef6\u7684\u62bd\u8c61\u63a5\u53e3\uff1apublic<\/span> interface<\/span> IButton<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/p>\n
              \n
              \n
              public<\/span> interface<\/span> ITextField<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> interface<\/span> ILabel<\/span> {<\/span><\/code>    void<\/span> display<\/span>()<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              \u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u5404\u4e2a\u5177\u4f53\u7684UI\u7ec4\u4ef6\u7c7b\uff1a<\/span><\/p>\n
              public<\/span> class<\/span> WindowsButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Windows style button.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/p>\n<\/div>\n
              \n
              \n
              public<\/span> class<\/span> WindowsTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Windows style text field.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> WindowsLabel<\/span> implements<\/span> ILabel<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Windows style label.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Mac style button.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Mac style text field.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> MacLabel<\/span> implements<\/span> ILabel<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Mac style label.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxButton<\/span> implements<\/span> IButton<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Linux style button.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxTextField<\/span> implements<\/span> ITextField<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Linux style text field.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code>\n<\/code>public<\/span> class<\/span> LinuxLabel<\/span> implements<\/span> ILabel<\/span> <\/span>{<\/span><\/code>    public<\/span> void<\/span> display<\/span>()<\/span> <\/span>{<\/span><\/code>        System.out.println(\"Linux style label.\"<\/span>);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              \u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u6765\u521b\u5efaUI\u7ec4\u4ef6\u5e93\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u5728\u4e0d\u540c\u7684\u5e73\u53f0\u4e0a\u4f7f\u7528\u4e0d\u540c\u7684\u5177\u4f53\u5de5\u5382\u7c7b\u6765\u521b\u5efa\u5bf9\u5e94\u7684UI\u7ec4\u4ef6\u3002\u4f8b\u5982\uff1a<\/span><\/p>\n<\/div>\n
              \n
              public<\/span> class<\/span> Application<\/span> {<\/span><\/code>    private<\/span> IGUIFactory factory;<\/span><\/code><\/p>\n
                  public<\/span> Application<\/span>(IGUIFactory factory<\/span>)<\/span> {<\/span><\/code>        this<\/span>.factory = factory;<\/span><\/code>    }<\/span><\/code>\n<\/code>    public<\/span> void<\/span> createUI<\/span>()<\/span> {<\/span><\/code>        IButton button = factory.createButton();<\/span><\/code>        ITextField textField = factory.createTextField();<\/span><\/code>        ILabel label = factory.createLabel();<\/span><\/code>\n<\/code>        button.display();<\/span><\/code>        textField.display();<\/span><\/code>        label.display();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              <\/code><\/p>\n
              public<\/span> class<\/span> Client<\/span> {<\/span><\/code>    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args<\/span>)<\/span> {<\/span><\/code>        \/\/ \u521b\u5efaWindows\u98ce\u683c\u7684UI\u7ec4\u4ef6\u5e93<\/span><\/span><\/code>        IGUIFactory windowsFactory = new<\/span> WindowsGUIFactory();<\/span><\/code>        Application windowsApp = new<\/span> Application(windowsFactory);<\/span><\/code>        windowsApp.createUI();<\/span><\/code><\/p>\n
                      \/\/ \u521b\u5efaMac\u98ce\u683c\u7684UI\u7ec4\u4ef6\u5e93<\/span><\/span><\/code>        IGUIFactory macFactory = new<\/span> MacGUIFactory();<\/span><\/code>        Application macApp = new<\/span> Application(macFactory);<\/span><\/code>        macApp.createUI();<\/span><\/code>\n<\/code>        \/\/ \u521b\u5efaLinux\u98ce\u683c\u7684UI\u7ec4\u4ef6\u5e93<\/span><\/span><\/code>        IGUIFactory linuxFactory = new<\/span> LinuxGUIFactory();<\/span><\/code>        Application linuxApp = new<\/span> Application(linuxFactory);<\/span><\/code>        linuxApp.createUI();<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              \u00a0<\/code><\/p>\n<\/div>\n
              \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e09\u4e2a\u5177\u4f53\u7684\u5de5\u5382\u7c7b\uff0c\u5206\u522b\u4ee3\u8868\u4e86Windows\u3001Mac\u548cLinux\u4e09\u4e2a\u5e73\u53f0\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5382\u7c7b\u521b\u5efa\u4e86\u4e09\u4e2a\u4e0d\u540c\u7684Application\u5bf9\u8c61\uff0c\u5e76\u4e14\u8c03\u7528\u4e86\u6bcf\u4e2a\u5bf9\u8c61\u7684createUI()\u65b9\u6cd5\u6765\u521b\u5efaUI\u7ec4\u4ef6\u5e76\u5c55\u793a\u51fa\u6765\u3002<\/p>\n
              \u5728Windows\u5e73\u53f0\u4e0a\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
              \n
              \n
              cssCopy<\/span> code<\/span><\/span><\/code>Windows<\/span> style button.<\/span><\/span><\/code>Windows<\/span> style text field.<\/span><\/span><\/code>Windows<\/span> style label.<\/span><\/span><\/code><\/pre>\n<\/section>\n
              \u00a0<\/code><\/p>\n<\/div>\n
              \u5728Mac\u5e73\u53f0\u4e0a\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
              \n
              \n
              Mac<\/span> style button.<\/span><\/span><\/code>Mac<\/span> style text field.<\/span><\/span><\/code>Mac<\/span> style label.<\/span><\/span><\/code><\/pre>\n<\/section>\n
              \u00a0<\/code><\/p>\n<\/div>\n
              \u5728Linux\u5e73\u53f0\u4e0a\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
              \n
              \n
              Linux<\/span> style button.<\/span><\/span><\/code>Linux<\/span> style text field.<\/span><\/span><\/code>Linux<\/span> style label.<\/span><\/span><\/code><\/pre>\n<\/section>\n
              \u00a0<\/code><\/p>\n<\/div>\n
              \u4ece\u8f93\u51fa\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u4e0d\u540c\u5e73\u53f0\u7684UI\u7ec4\u4ef6\u5bf9\u8c61\u7684\u5177\u4f53\u5b9e\u73b0\u662f\u4e0d\u540c\u7684\uff0c\u4f46\u662f\u5b83\u4eec\u90fd\u5b9e\u73b0\u4e86\u76f8\u540c\u7684\u62bd\u8c61\u63a5\u53e3\u3002\u8fd9\u79cd\u8bbe\u8ba1\u53ef\u4ee5\u4f7f\u5f97\u6211\u4eec\u7684UI\u7ec4\u4ef6\u5e93\u5177\u6709\u826f\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u5982\u679c\u6211\u4eec\u8981\u652f\u6301\u66f4\u591a\u7684\u5e73\u53f0\uff0c\u53ea\u9700\u8981\u6dfb\u52a0\u5bf9\u5e94\u7684\u5177\u4f53\u5de5\u5382\u7c7b\u5373\u53ef<\/p>\n
              \u4e09\u3001\u603b\u7ed3<\/span><\/p>\n
              \u5728\u524d\u9762\u7684\u8ba8\u8bba\u4e2d\uff0c\u6211\u4eec\u8bb2\u89e3\u4e86\u5de5\u5382\u6a21\u5f0f\u7684\u57fa\u672c\u6982\u5ff5\u548c\u5e38\u89c1\u7684\u51e0\u79cd\u7c7b\u578b\uff0c\u4e0b\u9762\u6211\u4eec\u518d\u4ecb\u7ecd\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55\u9009\u62e9\u9002\u5408\u7684\u5de5\u5382\u6a21\u5f0f\u3002<\/span><\/p>\n
                \n
              1. \n
                \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/p>\n<\/li>\n<\/ol>\n
                \u5de5\u5382\u6a21\u5f0f\u5728\u5f88\u591a\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e2d\u90fd\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7684\u793a\u4f8b\uff1a<\/p>\n