{"id":433,"date":"2023-07-18T11:47:29","date_gmt":"2024-02-01T15:37:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e8%a3%85%e9%a5%b0%e5%99%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e7%a4%ba%e4%be%8b\/"},"modified":"2025-08-02T07:50:28","modified_gmt":"2025-08-01T23:50:28","slug":"java%e4%b8%ad%e7%9a%84%e8%a3%85%e9%a5%b0%e5%99%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e8%a3%85%e9%a5%b0%e5%99%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e7%a4%ba%e4%be%8b\/","title":{"rendered":"Java\u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u5b9e\u4f8b\u8bb2\u89e3\u4e0e\u5e94\u7528\u573a\u666f\u5b8c\u5168\u6307\u5357"},"content":{"rendered":"

\u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7528\u4e8e\u5728\u8fd0\u884c\u65f6\u4fee\u6539\u5bf9\u8c61\u7684\u529f\u80fd\uff0c\u540c\u65f6\u4e0d\u4f1a\u5f71\u54cd\u540c\u4e00\u7c7b\u7684\u5176\u4ed6\u5b9e\u4f8b\uff0c\u56e0\u6b64\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u53ef\u4ee5\u5177\u6709\u4fee\u6539\u540e\u7684\u884c\u4e3a\u3002\u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u662f\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\uff08\u4f8b\u5982\u9002\u914d\u5668\u6a21\u5f0f\u3001\u6865\u63a5\u6a21\u5f0f\u3001\u7ec4\u5408\u6a21\u5f0f\uff09\uff0c\u5b83\u4f7f\u7528\u62bd\u8c61\u7c7b\u6216\u63a5\u53e3\u4ee5\u53ca\u7ec4\u5408\u5173\u7cfb\u6765\u5b9e\u73b0\u3002<\/p>\n

\u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n

\u6211\u4eec\u901a\u5e38\u4f7f\u7528\u7ee7\u627f\u6216\u7ec4\u5408\u6765\u6269\u5c55\u5bf9\u8c61\u7684\u884c\u4e3a\uff0c\u4f46\u8fd9\u79cd\u65b9\u5f0f\u662f\u5728\u7f16\u8bd1\u65f6\u5b8c\u6210\u7684\uff0c\u5e76\u4e14\u9002\u7528\u4e8e\u7c7b\u7684\u6240\u6709\u5b9e\u4f8b\u3002\u6211\u4eec\u65e0\u6cd5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u6dfb\u52a0\u65b0\u529f\u80fd\u6216\u79fb\u9664\u73b0\u6709\u884c\u4e3a\u2014\u2014\u8fd9\u6b63\u662f\u88c5\u9970\u5668\u6a21\u5f0f\u7684\u5e94\u7528\u573a\u666f\u3002\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5b9e\u73b0\u4e0d\u540c\u79cd\u7c7b\u7684\u6c7d\u8f66\u2014\u2014\u6211\u4eec\u53ef\u4ee5\u521b\u5efaCar\u63a5\u53e3\u6765\u5b9a\u4e49\u7ec4\u88c5\u65b9\u6cd5\uff0c\u7136\u540e\u6709\u4e00\u4e2a\u57fa\u672c\u6c7d\u8f66\u7c7b\uff0c\u8fdb\u4e00\u6b65\u6269\u5c55\u4e3a\u8fd0\u52a8\u6c7d\u8f66\u548c\u8c6a\u534e\u6c7d\u8f66\u3002\u5b9e\u73b0\u7684\u5c42\u6b21\u7ed3\u6784\u5c06\u5982\u4e0b\u56fe\u6240\u793a\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u60f3\u8981\u5728\u8fd0\u884c\u65f6\u83b7\u5f97\u65e2\u5177\u6709\u8fd0\u52a8\u6c7d\u8f66\u7279\u6027\u53c8\u5177\u6709\u8c6a\u534e\u6c7d\u8f66\u7279\u6027\u7684\u6c7d\u8f66\uff0c\u5b9e\u73b0\u5c31\u4f1a\u53d8\u5f97\u590d\u6742\uff1b\u5982\u679c\u6211\u4eec\u8fd8\u60f3\u6307\u5b9a\u7279\u6027\u6dfb\u52a0\u7684\u987a\u5e8f\uff0c\u5219\u4f1a\u66f4\u52a0\u590d\u6742\u3002\u60f3\u8c61\u4e00\u4e0b\uff0c\u5982\u679c\u6211\u4eec\u6709\u5341\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u6c7d\u8f66\uff0c\u4f7f\u7528\u7ee7\u627f\u548c\u7ec4\u5408\u7684\u5b9e\u73b0\u903b\u8f91\u5c06\u96be\u4ee5\u7ba1\u7406\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u79cd\u7f16\u7a0b\u60c5\u51b5\uff0c\u6211\u4eec\u5728Java\u4e2d\u5e94\u7528\u88c5\u9970\u5668\u6a21\u5f0f\u3002\u6211\u4eec\u9700\u8981\u4ee5\u4e0b\u7ec4\u4ef6\u6765\u5b9e\u73b0\u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n

    \n
  1. \u7ec4\u4ef6\u63a5\u53e3<\/strong> – \u5b9a\u4e49\u5c06\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u7684\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u3002\u5728\u6211\u4eec\u7684\u6848\u4f8b\u4e2d\uff0cCar\u5c06\u4f5c\u4e3a\u7ec4\u4ef6\u63a5\u53e3\u3002\n
    package com.Olivia.design.decorator;\r\n\r\npublic interface Car {\r\n    public void assemble();\r\n}<\/code><\/pre>\n<\/li>\n
  2. \u7ec4\u4ef6\u5b9e\u73b0<\/strong> – \u7ec4\u4ef6\u63a5\u53e3\u7684\u57fa\u672c\u5b9e\u73b0\u3002\u6211\u4eec\u53ef\u4ee5\u5c06BasicCar\u7c7b\u4f5c\u4e3a\u7ec4\u4ef6\u7684\u5b9e\u73b0\u3002\n
    package com.Olivia.design.decorator;\r\n\r\npublic class BasicCar implements Car {\r\n    @Override\r\n    public void assemble() {\r\n        System.out.print(\"\u57fa\u672c\u6c7d\u8f66\u3002\");\r\n    }\r\n}<\/code><\/pre>\n<\/li>\n
  3. \u88c5\u9970\u8005<\/strong> – \u88c5\u9970\u8005\u7c7b\u5b9e\u73b0\u7ec4\u4ef6\u63a5\u53e3\uff0c\u5e76\u4e14\u4e0e\u7ec4\u4ef6\u63a5\u53e3\u5177\u6709”\u6709\u4e00\u4e2a”\uff08HAS-A\uff09\u5173\u7cfb\u3002\u7ec4\u4ef6\u53d8\u91cf\u5e94\u8be5\u5bf9\u5b50\u88c5\u9970\u8005\u7c7b\u53ef\u8bbf\u95ee\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u8be5\u53d8\u91cf\u8bbe\u7f6e\u4e3a\u53d7\u4fdd\u62a4\u7684\u3002\n
    package com.Olivia.design.decorator;\r\n\r\npublic class CarDecorator implements Car {\r\n    protected Car car;\r\n    \r\n    public CarDecorator(Car c) {\r\n        this.car = c;\r\n    }\r\n    \r\n    @Override\r\n    public void assemble() {\r\n        this.car.assemble();\r\n    }\r\n}<\/code><\/pre>\n<\/li>\n
  4. \u5177\u4f53\u88c5\u9970\u8005<\/strong> – \u6269\u5c55\u57fa\u672c\u88c5\u9970\u8005\u529f\u80fd\u5e76\u76f8\u5e94\u5730\u4fee\u6539\u7ec4\u4ef6\u7684\u884c\u4e3a\u3002\u6211\u4eec\u53ef\u4ee5\u5c06LuxuryCar\u548cSportsCar\u4f5c\u4e3a\u5177\u4f53\u88c5\u9970\u8005\u7c7b\u3002\n
    package com.Olivia.design.decorator;\r\n\r\npublic class SportsCar extends CarDecorator {\r\n    public SportsCar(Car c) {\r\n        super(c);\r\n    }\r\n    \r\n    @Override\r\n    public void assemble() {\r\n        super.assemble();\r\n        System.out.print(\" \u6dfb\u52a0\u8fd0\u52a8\u6c7d\u8f66\u7279\u6027\u3002\");\r\n    }\r\n}<\/code><\/pre>\n
    package com.Olivia.design.decorator;\r\n\r\npublic class LuxuryCar extends CarDecorator {\r\n    public LuxuryCar(Car c) {\r\n        super(c);\r\n    }\r\n    \r\n    @Override\r\n    public void assemble() {\r\n        super.assemble();\r\n        System.out.print(\" \u6dfb\u52a0\u8c6a\u534e\u6c7d\u8f66\u7279\u6027\u3002\");\r\n    }\r\n}<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u88c5\u9970\u8005\u8bbe\u8ba1\u6a21\u5f0f – \u7c7b\u56fe<\/h2>\n
    \u88c5\u9970\u8005\u8bbe\u8ba1\u6a21\u5f0f\u6d4b\u8bd5\u7a0b\u5e8f<\/h3>\n
    package com.Olivia.design.test;\r\n\r\nimport com.Olivia.design.decorator.BasicCar;\r\nimport com.Olivia.design.decorator.Car;\r\nimport com.Olivia.design.decorator.LuxuryCar;\r\nimport com.Olivia.design.decorator.SportsCar;\r\n\r\npublic class DecoratorPatternTest {\r\n    public static void main(String[] args) {\r\n        Car sportsCar = new SportsCar(new BasicCar());\r\n        sportsCar.assemble();\r\n        System.out.println(\"\\n*****\");\r\n        \r\n        Car sportsLuxuryCar = new SportsCar(new LuxuryCar(new BasicCar()));\r\n        sportsLuxuryCar.assemble();\r\n    }\r\n}<\/code><\/pre>\n
    \u8bf7\u6ce8\u610f\uff0c\u5ba2\u6237\u7aef\u7a0b\u5e8f\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5e76\u4e14\u8fd8\u53ef\u4ee5\u6307\u5b9a\u6267\u884c\u7684\u987a\u5e8f\u3002\u4ee5\u4e0a\u6d4b\u8bd5\u7a0b\u5e8f\u7684\u8f93\u51fa\u4e3a\uff1a<\/p>\n
    \u57fa\u672c\u6c7d\u8f66\u3002 \u6dfb\u52a0\u8fd0\u52a8\u6c7d\u8f66\u7279\u6027\u3002\r\n*****\r\n\u57fa\u672c\u6c7d\u8f66\u3002 \u6dfb\u52a0\u8c6a\u534e\u6c7d\u8f66\u7279\u6027\u3002 \u6dfb\u52a0\u8fd0\u52a8\u6c7d\u8f66\u7279\u6027\u3002<\/code><\/pre>\n
    \u88c5\u9970\u8005\u8bbe\u8ba1\u6a21\u5f0f – \u91cd\u8981\u8981\u70b9<\/h3>\n
      \n
    • \u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u6709\u52a9\u4e8e\u63d0\u4f9b\u8fd0\u884c\u65f6\u4fee\u6539\u80fd\u529b\uff0c\u56e0\u6b64\u66f4\u52a0\u7075\u6d3b\u3002\u5f53\u9009\u62e9\u9879\u8f83\u591a\u65f6\uff0c\u5b83\u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/li>\n
    • \u88c5\u9970\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7684\u7f3a\u70b9\u662f\u5b83\u4f7f\u7528\u5927\u91cf\u76f8\u4f3c\u7c7b\u578b\u7684\u5bf9\u8c61\uff08\u88c5\u9970\u5668\uff09\u3002<\/li>\n
    • \u88c5\u9970\u5668\u6a21\u5f0f\u5728Java IO\u7c7b\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f8b\u5982FileReader\u3001BufferedReader\u7b49\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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