{"id":31645,"date":"2023-05-03T09:55:34","date_gmt":"2023-10-11T02:06:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0%e8%a3%85%e9%a5%b0%e8%80%85%e6%a8%a1%e5%bc%8f%e3%80%82\/"},"modified":"2024-04-30T02:25:57","modified_gmt":"2024-04-29T18:25:57","slug":"%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0%e8%a3%85%e9%a5%b0%e8%80%85%e6%a8%a1%e5%bc%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0%e8%a3%85%e9%a5%b0%e8%80%85%e6%a8%a1%e5%bc%8f%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Java\u5b9e\u73b0\u88c5\u9970\u8005\u6a21\u5f0f"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6211\u4f1a\u603b\u7ed3\u6211\u5728\u9605\u8bfb\u4e86\u4ecb\u7ecd\u4e86GoF\u8bbe\u8ba1\u6a21\u5f0f\u7684\u300a\u589e\u8865\u4fee\u8ba2\u7248 Java\u8bed\u8a00\u5b66\u4e60\u8bbe\u8ba1\u6a21\u5f0f\u5165\u95e8\u300b\u4e00\u4e66\u540e\u6240\u5b66\u7684\u5185\u5bb9\u3002<\/p>\n

\u88c5\u9970\u8005\u6a21\u5f0f<\/h1>\n

\u88c5\u9970\u8005\u6307\u7684\u662f<\/h2>\n

\u7ffb\u8bd1\u4e3a\u4e2d\u6587\u540e\u662f\uff1a\u201c\u65e5\u8bed\u7ffb\u8bd1\u4e3a\u201c\u88c5\u9970\u8005\u201d\u3002Decorator\u6a21\u5f0f\u6307\u7684\u662f\u901a\u8fc7\u4e0d\u65ad\u5730\u5bf9\u539f\u5bf9\u8c61\u8fdb\u884c\u88c5\u9970\uff08\u88c5\u9970\uff09\u6765\u8fdb\u884c\u529f\u80fd\u6269\u5c55\u7684\u6a21\u5f0f\u3002\u901a\u8fc7\u5e94\u7528\u8fd9\u79cd\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u6539\u52a8\u539f\u59cb\u7c7b\u7684\u60c5\u51b5\u4e0b\uff0c\u7075\u6d3b\u5730\u8fdb\u884c\u529f\u80fd\u6269\u5c55\u3002\u201d<\/p>\n

\u4eba\u7269\u4eae\u76f8<\/h2>\n
\"image.png\"<\/div>\n

\u62bd\u8c61\u7c7b<\/h3>\n
    \n
  • \n
      Component<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \n
          \u88c5\u98fe(\u62e1\u5f35)\u3055\u308c\u308b\u5bfe\u8c61\u306e\u5143\u3068\u306a\u308b\u62bd\u8c61\u30af\u30e9\u30b9\u3092\u8868\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            \n
          • \n
              Decorator<\/ul>\n<\/li>\n<\/ul>\n

               <\/p>\n

                Component\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3059\u308b\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3001\u88c5\u98fe\u3092\u884c\u3046\u5074\u306e\u30af\u30e9\u30b9\u306e\u5143\u3068\u306a\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002 \u7279\u7b46\u3059\u3079\u304d\u70b9\u3068\u3057\u3066\u3001\u88c5\u98fe\u3059\u308b\u5bfe\u8c61\u3067\u3042\u308bComponent\u30af\u30e9\u30b9\u3092\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u6301\u3063\u3066\u3044\u308b\u70b9\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/ul>\n

                \u5b9e\u73b0\u7c7b<\/h3>\n
                  \n
                • \n
                    ConcreteComponent<\/ul>\n<\/li>\n<\/ul>\n

                     <\/p>\n

                      \n
                    • \n
                        Component\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u3067\u3059\u3002Component\u30af\u30e9\u30b9\u306e\u6301\u3064\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5168\u3066\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n

                         <\/p>\n

                          \n
                        • \n
                            ConcreteDecorator<\/ul>\n<\/li>\n<\/ul>\n

                             <\/p>\n

                              Decorator\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u3067\u3059\u3002Decorator\u30af\u30e9\u30b9\u306fComponent\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u3044\u308b\u305f\u3081\u3001Component\u30af\u30e9\u30b9\u306e\u6301\u3064\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/ul>\n

                              \u5177\u4f53\u7684\u4f8b\u5b50<\/h2>\n
                              \"image.png\"<\/div>\n

                              \u62bd\u8c61\u7c7b<\/h3>\n

                              SpongeCake\u30af\u30e9\u30b9<\/p>\n

                              public<\/span> abstract<\/span> class<\/span> SpongeCake<\/span> {<\/span>\r\n    public<\/span> abstract<\/span> String<\/span> getName<\/span>();<\/span> \/\/ \u540d\u524d\u3092\u5f97\u308b<\/span>\r\n\r\n    public<\/span> abstract<\/span> int<\/span> getPrice<\/span>();<\/span> \/\/ \u4fa1\u683c\u3092\u5f97\u308b<\/span>\r\n\r\n    public<\/span> void<\/span> show<\/span>()<\/span> {<\/span> \/\/ \u540d\u524d\u3068\u4fa1\u683c\u3092\u8868\u793a\u3059\u308b<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>getName<\/span>()<\/span> +<\/span> \":\"<\/span> +<\/span> getPrice<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                              \u5728SpongeCake\u7c7b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u6765\u83b7\u53d6\u540d\u79f0\u548c\u4ef7\u683c\uff0c\u5e76\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5177\u4f53\u65b9\u6cd5\u6765\u663e\u793a\u5b83\u4eec\u3002
                              \n\u8fd9\u53ea\u662f\u4e00\u4e2a\u666e\u901a\u7684\u65e0\u88c5\u9970\u7684\u6d77\u7ef5\u86cb\u7cd5\u5f62\u8c61\u3002
                              \n\u5173\u4e8e\u62bd\u8c61\u7c7b\u7684\u5b9e\u9645\u5904\u7406\u5c06\u5728\u4e0b\u8ff0\u7684\u5b50\u7c7b\u4e2d\u5b9e\u73b0\u3002
                              \n\u6ca1\u6709\u7279\u522b\u56f0\u96be\u7684\u5730\u65b9\u3002<\/p>\n
                              Decorator\u30af\u30e9\u30b9<\/p>\n
                              public<\/span> abstract<\/span> class<\/span> Decorator<\/span> extends<\/span> SpongeCake<\/span> {<\/span>\r\n    protected<\/span> SpongeCake<\/span> spongeCake<\/span>;<\/span> \/\/ \u3053\u306e\u98fe\u308a\u67a0\u304c\u304f\u308b\u3093\u3067\u3044\u308b\u300c\u4e2d\u8eab\u300d\u3092\u6307\u3059<\/span>\r\n\r\n    protected<\/span> Decorator<\/span>(<\/span>SpongeCake<\/span> spongeCake<\/span>)<\/span> {<\/span> \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u300c\u4e2d\u8eab\u300d\u3092\u5f15\u6570\u3067\u6307\u5b9a<\/span>\r\n        this<\/span>.<\/span>spongeCake<\/span> =<\/span> spongeCake<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                              \u88c5\u9970\u8005\u7c7b\u7ee7\u627f\u81ea\u4e0a\u8ff0\u7684\u6d77\u7ef5\u86cb\u7cd5\u7c7b\uff0c\u4f46\u6ca1\u6709\u91cd\u5199\u62bd\u8c61\u65b9\u6cd5\uff0c\u56e0\u6b64\u5b83\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002
                              \n\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u88c5\u9970\u8005\u7c7b\u5177\u6709\u4e00\u4e2a\u6307\u5411\u6d77\u7ef5\u86cb\u7cd5\u5bf9\u8c61\u7684\u5b57\u6bb5\uff0c\u5e76\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5c06\u5bf9\u8c61\u7684\u751f\u6210\u53c2\u6570\u6307\u5b9a\u4e3a\u53c2\u6570\u3002<\/p>\n
                              \u5b9e\u73b0\u7c7b<\/h3>\n
                                ShortCake\u30af\u30e9\u30b9<\/ul>\n
                                public<\/span> class<\/span> ShortCake<\/span> extends<\/span> SpongeCake<\/span> {<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span> \/\/ \u89aa\u30af\u30e9\u30b9\u306e\u540d\u524d\u3092\u5f97\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n        return<\/span> \"\u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad\"<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> int<\/span> getPrice<\/span>()<\/span> {<\/span> \/\/ \u89aa\u30af\u30e9\u30b9\u306e\u4fa1\u683c\u3092\u5f97\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n        return<\/span> 500<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
                                  ChocolateCake\u30af\u30e9\u30b9<\/ul>\n
                                  public<\/span> class<\/span> ChocolateCake<\/span> extends<\/span> SpongeCake<\/span> {<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span> \/\/ \u89aa\u30af\u30e9\u30b9\u306e\u540d\u524d\u3092\u5f97\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n        return<\/span> \"\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad\"<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> int<\/span> getPrice<\/span>()<\/span> {<\/span> \/\/ \u89aa\u30af\u30e9\u30b9\u306e\u4fa1\u683c\u3092\u5f97\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n        return<\/span> 700<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
                                  ShortCake\u7c7b\u548cChocolateCake\u7c7b\u662fSpongeCake\u7c7b\u7684\u5b9e\u73b0\u7c7b\u3002\u5b83\u4eec\u5728\u4ec5\u6709\u6d77\u7ef5\u86cb\u7cd5\u7684\u57fa\u7840\u4e0a\u505a\u4e86\u4e00\u4e9b\u88c5\u9970\uff0c\u4f7f\u5f97\u86cb\u7cd5\u66f4\u52a0\u5177\u4f53\u3002\u5b83\u4eec\u91cd\u5199\u4e86\u62bd\u8c61\u65b9\u6cd5getName()\u548cgetPrice()\uff0c\u5206\u522b\u8fd4\u56de\u540d\u79f0\u548c\u4ef7\u683c\u3002\u5728\u8fd9\u91cc\u6ca1\u6709\u7279\u522b\u56f0\u96be\u7684\u5730\u65b9\u3002<\/p>\n
                                  StrawberryDecorator\u30af\u30e9\u30b9<\/p>\n
                                  public<\/span> class<\/span> StrawberryDecorator<\/span> extends<\/span> Decorator<\/span> {<\/span>\r\n\r\n    public<\/span> StrawberryDecorator<\/span>(<\/span>SpongeCake<\/span> spongeCake<\/span>)<\/span> {<\/span> \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u98fe\u308a\u4ed8\u3051\u306e\u5bfe\u8c61\u3092\u6e21\u3059<\/span>\r\n        super<\/span>(<\/span>spongeCake<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span> \/\/ \u4e2d\u8eab\u306e\u540d\u524d\u306e\u5148\u982d\u306b\u30a4\u30c1\u30b4\u3092\u52a0\u3048\u305f\u3082\u306e<\/span>\r\n        return<\/span> \"\u30a4\u30c1\u30b4\"<\/span> +<\/span> spongeCake<\/span>.<\/span>getName<\/span>();<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> int<\/span> getPrice<\/span>()<\/span> {<\/span> \/\/ \u4e2d\u8eab\u306e\u4fa1\u683c\u306b100\u3092\u52a0\u3048\u305f\u3082\u306e<\/span>\r\n        return<\/span> spongeCake<\/span>.<\/span>getPrice<\/span>()<\/span> +<\/span> 100<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
                                  BananaDecorator\u30af\u30e9\u30b9<\/p>\n
                                  public<\/span> class<\/span> BananaDecorator<\/span> extends<\/span> Decorator<\/span> {<\/span>\r\n\r\n    public<\/span> BananaDecorator<\/span>(<\/span>SpongeCake<\/span> spongeCake<\/span>)<\/span> {<\/span> \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u98fe\u308a\u4ed8\u3051\u306e\u5bfe\u8c61\u3092\u6e21\u3059<\/span>\r\n        super<\/span>(<\/span>spongeCake<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span> \/\/ \u4e2d\u8eab\u306e\u540d\u524d\u306e\u5148\u982d\u306b\u30d0\u30ca\u30ca\u3092\u52a0\u3048\u305f\u3082\u306e<\/span>\r\n        return<\/span> \"\u30d0\u30ca\u30ca\"<\/span> +<\/span> spongeCake<\/span>.<\/span>getName<\/span>();<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> int<\/span> getPrice<\/span>()<\/span> {<\/span> \/\/ \u4e2d\u8eab\u306e\u4fa1\u683c\u306b300\u3092\u52a0\u3048\u305f\u3082\u306e<\/span>\r\n        return<\/span> spongeCake<\/span>.<\/span>getPrice<\/span>()<\/span> +<\/span> 300<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
                                  StrawberryDecorator\u7c7b\u548cBananaDecorator\u7c7b\u662fDecorator\u7c7b\u7684\u5b9e\u73b0\u7c7b\u3002
                                  \n\u5b83\u4eec\u90fd\u4f1a\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5c06\u6307\u5b9a\u7684\u6d77\u7ef5\u86cb\u7cd5\uff08\u6216\u5176\u5b50\u7c7b\uff09\u6dfb\u52a0\u8349\u8393\u548c\u9999\u8549\u4f5c\u4e3a\u88c5\u9970\u3002
                                  \n\u540c\u65f6\uff0c\u5b83\u4eec\u4e5f\u4f1a\u76f8\u5e94\u5730\u589e\u52a0\u4ef7\u683c\u3002<\/p>\n
                                  \u91cd\u70b9\u662f\u6784\u9020\u51fd\u6570\u7684\u53c2\u6570\u4e3aSpongeCake\u7c7b\u578b\u3002
                                  \n\u4ece\u8fd9\u4e00\u70b9\u53ef\u4ee5\u770b\u51fa\uff0c\u53ef\u4ee5\u5c06SpongeCake\u7c7b\uff0c\u6216\u8005\u5176\u5b50\u7c7bShortCake\u7c7b\u3001ChocolateCake\u7c7b\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u53c2\u6570\u3002
                                  \n\u53e6\u5916\uff0c\u4e0d\u53ef\u5ffd\u89c6\u7684\u662fDecorator\u7c7b\u4e5f\u662fSpongeCake\u7c7b\u7684\u5b50\u7c7b\u3002
                                  \n\u6362\u53e5\u8bdd\u8bf4\uff0c\u88c5\u9970\u7528\u7684StrawberryDecorator\u7c7b\u7684\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u6307\u5b9a\u7ee7\u627f\u4e86Decorator\u7c7b\u7684StrawberryDecorator\u7c7b\u3001BananaDecorator\u7c7b\u3002
                                  \n\u8fd9\u6837\u4e00\u6765\uff0c\u53ef\u4ee5\u5bf9\u88c5\u9970\u5bf9\u8c61\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u88c5\u9970\u3002<\/p>\n
                                  \u6267\u884c\u7c7b<\/h3>\n
                                    Main\u30af\u30e9\u30b9<\/ul>\n
                                    public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        \/\/ \u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad\u306e\u751f\u6210<\/span>\r\n        SpongeCake<\/span> s1<\/span> =<\/span> new<\/span> ShortCake<\/span>();<\/span>\r\n        SpongeCake<\/span> s2<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>s1<\/span>);<\/span>\r\n        SpongeCake<\/span> s3<\/span> =<\/span> new<\/span> BananaDecorator<\/span>(<\/span>s1<\/span>);<\/span>\r\n        SpongeCake<\/span> s4<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>new<\/span> ShortCake<\/span>());<\/span>\r\n        SpongeCake<\/span> s5<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>new<\/span> BananaDecorator<\/span>(<\/span>new<\/span> ShortCake<\/span>()));<\/span>\r\n        s1<\/span>.<\/span>show<\/span>();<\/span>\r\n        s2<\/span>.<\/span>show<\/span>();<\/span>\r\n        s3<\/span>.<\/span>show<\/span>();<\/span>\r\n        s4<\/span>.<\/span>show<\/span>();<\/span>\r\n        s5<\/span>.<\/span>show<\/span>();<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"--------------------------------------------\"<\/span>);<\/span>\r\n        \/\/ \u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad\u306e\u751f\u6210<\/span>\r\n        SpongeCake<\/span> c1<\/span> =<\/span> new<\/span> ChocolateCake<\/span>();<\/span>\r\n        SpongeCake<\/span> c2<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>c1<\/span>);<\/span>\r\n        SpongeCake<\/span> c3<\/span> =<\/span> new<\/span> BananaDecorator<\/span>(<\/span>c1<\/span>);<\/span>\r\n        SpongeCake<\/span> c4<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>new<\/span> ChocolateCake<\/span>());<\/span>\r\n        SpongeCake<\/span> c5<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>new<\/span> BananaDecorator<\/span>(<\/span>new<\/span> ChocolateCake<\/span>()));<\/span>\r\n        c1<\/span>.<\/span>show<\/span>();<\/span>\r\n        c2<\/span>.<\/span>show<\/span>();<\/span>\r\n        c3<\/span>.<\/span>show<\/span>();<\/span>\r\n        c4<\/span>.<\/span>show<\/span>();<\/span>\r\n        c5<\/span>.<\/span>show<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                    \u751f\u6210\u4e86ShortCake\u7c7b\u548cChocolateCake\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u4e86\u88c5\u9970\u3002
                                    \n\u91cd\u70b9\u5728\u4e8e\u5982\u540c\u5728StrawberryDecorator\u7c7b\u548cBananaDecorator\u7c7b\u7684\u8bf4\u660e\u4e2d\u6240\u8ff0\uff0c\u7531\u4e8e\u88c5\u9970\u76ee\u6807\u662f\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u53c2\u6570\u6307\u5b9a\u7684\u7c7b\uff0c\u56e0\u6b64\u53ef\u4ee5\u8fdb\u884c\u591a\u79cd\u88c5\u9970\u3002<\/p>\n
                                    \u53e6\u5916\uff0c<\/p>\n
                                    SpongeCake<\/span> s1<\/span> =<\/span> new<\/span> ShortCake<\/span>();<\/span>\r\nSpongeCake<\/span> s2<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>s1<\/span>);<\/span>\r\n<\/code><\/pre>\n
                                    In Chinese, the phrase “\u3068” can be translated as “\u548c” (h\u00e9).<\/p>\n
                                    SpongeCake<\/span> s4<\/span> =<\/span> new<\/span> StrawberryDecorator<\/span>(<\/span>new<\/span> ShortCake<\/span>());<\/span>\r\n<\/code><\/pre>\n
                                    \u53ea\u662f\u7528\u4e8e\u88c5\u9970\u7684\uff0c\u5c06ShortCake\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u53c2\u6570\u8fdb\u884c\u6307\u5b9a\uff0c\u867d\u7136\u5199\u6cd5\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5b9e\u9645\u4e0a\u662f\u76f8\u540c\u7684\u5904\u7406\u3002<\/p>\n
                                    \u6267\u884c\u7ed3\u679c<\/h3>\n
                                    \u8fd0\u884cMain.java\u7684\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002
                                    \n\u53ef\u4ee5\u786e\u8ba4\u539f\u59cb\u7684ShortCake\u548cChocolateCake\u6b63\u5728\u9010\u6e10\u88ab\u88c5\u9970\u3002<\/p>\n
                                    \u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad:500\u5186\r\n\u30a4\u30c1\u30b4\u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad:600\u5186\r\n\u30d0\u30ca\u30ca\u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad:800\u5186\r\n\u30a4\u30c1\u30b4\u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad:600\u5186\r\n\u30a4\u30c1\u30b4\u30d0\u30ca\u30ca\u30b7\u30e7\u30fc\u30c8\u30b1\u30fc\u30ad:900\u5186\r\n--------------------------------------------\r\n\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad:700\u5186\r\n\u30a4\u30c1\u30b4\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad:800\u5186\r\n\u30d0\u30ca\u30ca\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad:1000\u5186\r\n\u30a4\u30c1\u30b4\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad:800\u5186\r\n\u30a4\u30c1\u30b4\u30d0\u30ca\u30ca\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8\u30b1\u30fc\u30ad:1100\u5186\r\n<\/code><\/pre>\n
                                    \u4f18\u70b9<\/h2>\n
                                    Decorator\u6a21\u5f0f\u7684\u597d\u5904\u5982\u4e0b\uff1a
                                    \n1. \u53ef\u4ee5\u5728\u4e0d\u66f4\u6539\u7236\u7c7b\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u529f\u80fd\u3002
                                    \n2. \u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u6240\u9700\u7684\u7ec4\u4ef6\u6765\u6dfb\u52a0\u591a\u6837\u7684\u529f\u80fd\u3002<\/p>\n
                                    \u603b\u7ed3<\/h1>\n
                                    \u6211\u5b66\u4e60\u4e86\u5173\u4e8eDecorator\u6a21\u5f0f\uff0c\u5b83\u662f\u5c06\u88c5\u9970\u9010\u6b65\u5e94\u7528\u4e8e\u5bf9\u8c61\u7684\u6a21\u5f0f\u3002
                                    \n\u5982\u679c\u60a8\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u4ee5\u4e0b\u662f\u6211\u4e0a\u4f20\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u8bf7\u53c2\u8003\u3002<\/p>\n
                                      Decorator\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/ul>\n
                                      \u6b64\u5916\uff0c\u5176\u4ed6\u8bbe\u8ba1\u6a21\u5f0f\u7684\u7efc\u5408\u603b\u7ed3\u53ef\u4ee5\u5728\u4e0b\u65b9\u627e\u5230\uff0c\u4e5f\u53ef\u4f9b\u53c2\u8003\u3002<\/p>\n
                                        [\u968f\u6642\u66f4\u65b0]Java\u3067\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u307e\u3068\u3081<\/ul>\n
                                        \u6587\u732e\u5f15\u7528<\/h1>\n
                                          \u5897\u88dc\u6539\u8a02\u7248 Java\u8a00\u8a9e\u3067\u5b66\u3076\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u5165\u9580<\/ul>\n","protected":false},"excerpt":{"rendered":"
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