{"id":547,"date":"2023-05-16T14:29:25","date_gmt":"2023-06-21T15:37:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e5%b7%a5%e5%8e%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/"},"modified":"2025-08-02T17:24:44","modified_gmt":"2025-08-02T09:24:44","slug":"java%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e5%b7%a5%e5%8e%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e5%b7%a5%e5%8e%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"Java\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5b9e\u73b0\u4e0e\u5b9e\u6218\u5e94\u7528"},"content":{"rendered":"<h1>Java\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f<\/h1>\n<p>\u6b22\u8fce\u6765\u5230Java\u793a\u4f8b\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u3002\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u662f\u521b\u5efa\u578b\u6a21\u5f0f\u4e4b\u4e00\u3002\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4e0e\u5de5\u5382\u6a21\u5f0f\u51e0\u4e4e\u76f8\u4f3c\uff0c\u53ea\u4e0d\u8fc7\u5b83\u66f4\u50cf\u662f\u4e00\u79cd\u5de5\u5382\u7684\u5de5\u5382\u3002<\/p>\n<h2>\u62bd\u8c61\u5de5\u5382<\/h2>\n<p>\u5982\u679c\u4f60\u719f\u6089Java\u4e2d\u7684\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4f60\u4f1a\u6ce8\u610f\u5230\u6211\u4eec\u53ea\u6709\u4e00\u4e2a\u5de5\u5382\u7c7b\u3002\u8fd9\u4e2a\u5de5\u5382\u7c7b\u57fa\u4e8e\u63d0\u4f9b\u7684\u8f93\u5165\u8fd4\u56de\u4e0d\u540c\u7684\u5b50\u7c7b\uff0c\u5e76\u4e14\u4f7f\u7528if-else\u6216switch\u8bed\u53e5\u6765\u5b9e\u73b0\u3002\u5728\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4e2d\uff0c\u6211\u4eec\u6452\u5f03\u4e86if-else\u8bed\u53e5\u5757\uff0c\u4e3a\u6bcf\u4e2a\u5b50\u7c7b\u90fd\u6709\u4e00\u4e2a\u5de5\u5382\u7c7b\u3002\u7136\u540e\u6709\u4e00\u4e2a\u62bd\u8c61\u5de5\u5382\u7c7b\uff0c\u6839\u636e\u8f93\u5165\u7684\u5de5\u5382\u7c7b\u8fd4\u56de\u76f8\u5e94\u7684\u5b50\u7c7b\u3002\u8d77\u521d\u53ef\u80fd\u4f1a\u611f\u5230\u56f0\u60d1\uff0c\u4f46\u4e00\u65e6\u770b\u5230\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5c31\u4f1a\u5f88\u5bb9\u6613\u7406\u89e3\u5de5\u5382\u6a21\u5f0f\u548c\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4e4b\u95f4\u7684\u7ec6\u5fae\u5dee\u522b\u3002\u5c31\u50cf\u6211\u4eec\u4e4b\u524d\u7684\u5de5\u5382\u6a21\u5f0f\u6587\u7ae0\u4e00\u6837\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u76f8\u540c\u7684\u7236\u7c7b\u548c\u5b50\u7c7b\u3002<\/p>\n<h3>\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u7684\u8d85\u7c7b\u548c\u5b50\u7c7b<\/h3>\n<p><strong>Computer.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.model;\r\n \r\npublic abstract class Computer {\r\n     \r\n    public abstract String getRAM();\r\n    public abstract String getHDD();\r\n    public abstract String getCPU();\r\n     \r\n    @Override\r\n    public String toString(){\r\n        return \"RAM= \"+this.getRAM()+\", HDD=\"+this.getHDD()+\", CPU=\"+this.getCPU();\r\n    }\r\n}\r\n<\/code><\/pre>\n<p><strong>PC.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.model;\r\n \r\npublic class PC extends Computer {\r\n \r\n    private String ram;\r\n    private String hdd;\r\n    private String cpu;\r\n     \r\n    public PC(String ram, String hdd, String cpu){\r\n        this.ram=ram;\r\n        this.hdd=hdd;\r\n        this.cpu=cpu;\r\n    }\r\n    @Override\r\n    public String getRAM() {\r\n        return this.ram;\r\n    }\r\n \r\n    @Override\r\n    public String getHDD() {\r\n        return this.hdd;\r\n    }\r\n \r\n    @Override\r\n    public String getCPU() {\r\n        return this.cpu;\r\n    }\r\n \r\n}\r\n<\/code><\/pre>\n<p><strong>Server.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.model;\r\n \r\n \r\npublic class Server extends Computer {\r\n \r\n    private String ram;\r\n    private String hdd;\r\n    private String cpu;\r\n     \r\n    public Server(String ram, String hdd, String cpu){\r\n        this.ram=ram;\r\n        this.hdd=hdd;\r\n        this.cpu=cpu;\r\n    }\r\n    @Override\r\n    public String getRAM() {\r\n        return this.ram;\r\n    }\r\n \r\n    @Override\r\n    public String getHDD() {\r\n        return this.hdd;\r\n    }\r\n \r\n    @Override\r\n    public String getCPU() {\r\n        return this.cpu;\r\n    }\r\n \r\n}\r\n<\/code><\/pre>\n<h3>\u6bcf\u4e2a\u5b50\u7c7b\u7684\u5de5\u5382\u7c7b<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u62bd\u8c61\u5de5\u5382\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u3002<strong>ComputerAbstractFactory.java<\/strong>\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.abstractfactory;\r\n\r\nimport com.Olivia.design.model.Computer;\r\n\r\npublic interface ComputerAbstractFactory {\r\n\r\n\tpublic Computer createComputer();\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0ccreateComputer()\u65b9\u6cd5\u8fd4\u56de\u7684\u662f\u8d85\u7c7bComputer\u7684\u5b9e\u4f8b\u3002\u73b0\u5728\u6211\u4eec\u7684\u5de5\u5382\u7c7b\u5c06\u5b9e\u73b0\u8be5\u63a5\u53e3\u5e76\u8fd4\u56de\u5404\u81ea\u7684\u5b50\u7c7b\u3002<strong>PCFactory.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.abstractfactory;\r\n\r\nimport com.Olivia.design.model.Computer;\r\nimport com.Olivia.design.model.PC;\r\n\r\npublic class PCFactory implements ComputerAbstractFactory {\r\n\r\n\tprivate String ram;\r\n\tprivate String hdd;\r\n\tprivate String cpu;\r\n\t\r\n\tpublic PCFactory(String ram, String hdd, String cpu){\r\n\t\tthis.ram=ram;\r\n\t\tthis.hdd=hdd;\r\n\t\tthis.cpu=cpu;\r\n\t}\r\n\t@Override\r\n\tpublic Computer createComputer() {\r\n\t\treturn new PC(ram,hdd,cpu);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u7c7b\u4f3c\u5730\uff0c\u6211\u4eec\u5c06\u4e3aServer\u5b50\u7c7b\u521b\u5efa\u4e00\u4e2a\u5de5\u5382\u7c7b\u3002<strong>ServerFactory.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.abstractfactory;\r\n\r\nimport com.Olivia.design.model.Computer;\r\nimport com.Olivia.design.model.Server;\r\n\r\npublic class ServerFactory implements ComputerAbstractFactory {\r\n\r\n\tprivate String ram;\r\n\tprivate String hdd;\r\n\tprivate String cpu;\r\n\t\r\n\tpublic ServerFactory(String ram, String hdd, String cpu){\r\n\t\tthis.ram=ram;\r\n\t\tthis.hdd=hdd;\r\n\t\tthis.cpu=cpu;\r\n\t}\r\n\t\r\n\t@Override\r\n\tpublic Computer createComputer() {\r\n\t\treturn new Server(ram,hdd,cpu);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u6d88\u8d39\u8005\u7c7b\uff0c\u8be5\u7c7b\u5c06\u4e3a\u5ba2\u6237\u7c7b\u63d0\u4f9b\u5165\u53e3\u4ee5\u521b\u5efa\u5b50\u7c7b\u3002<strong>ComputerFactory.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.abstractfactory;\r\n\r\nimport com.Olivia.design.model.Computer;\r\n\r\npublic class ComputerFactory {\r\n\r\n\tpublic static Computer getComputer(ComputerAbstractFactory factory){\r\n\t\treturn factory.createComputer();\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\uff0cgetComputer\u65b9\u6cd5\u63a5\u53d7ComputerAbstractFactory\u53c2\u6570\u5e76\u8fd4\u56deComputer\u5bf9\u8c61\u3002\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u5b9e\u73b0\u7684\u65b9\u5f0f\u5fc5\u987b\u53d8\u5f97\u6e05\u6670\u3002\u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u5e76\u770b\u770b\u5982\u4f55\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6765\u83b7\u53d6\u5b50\u7c7b\u7684\u5b9e\u4f8b\u3002<strong>TestDesignPatterns.java<\/strong><\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.test;\r\n\r\nimport com.Olivia.design.abstractfactory.PCFactory;\r\nimport com.Olivia.design.abstractfactory.ServerFactory;\r\nimport com.Olivia.design.abstractfactory.ComputerFactory;\r\nimport com.Olivia.design.model.Computer;\r\n\r\npublic class TestDesignPatterns {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\ttestAbstractFactory();\r\n\t}\r\n\r\n\tprivate static void testAbstractFactory() {\r\n\t\tComputer pc = ComputerFactory.getComputer(new PCFactory(\"2 GB\",\"500 GB\",\"2.4 GHz\"));\r\n\t\tComputer server = ComputerFactory.getComputer(new ServerFactory(\"16 GB\",\"1 TB\",\"2.9 GHz\"));\r\n\t\tSystem.out.println(\"AbstractFactory PC Config::\"+pc);\r\n\t\tSystem.out.println(\"AbstractFactory Server Config::\"+server);\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u7a0b\u5e8f\u7684\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>AbstractFactory PC Config::RAM= 2 GB, HDD=500 GB, CPU=2.4 GHz\r\nAbstractFactory Server Config::RAM= 16 GB, HDD=1 TB, CPU=2.9 GHz\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u5b9e\u73b0\u7684\u7c7b\u56fe\u3002<\/p>\n<h3>\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u7684\u597d\u5904<\/h3>\n<ul class=\"post-ul\">\n<li>\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u4f9b\u4e86\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\u7684\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u9762\u5411\u5b9e\u73b0\u7f16\u7a0b\u3002<\/li>\n<li>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u662f&#8221;\u5de5\u5382\u7684\u5de5\u5382&#8221;\uff0c\u53ef\u4ee5\u8f7b\u677e\u6269\u5c55\u4ee5\u5bb9\u7eb3\u66f4\u591a\u4ea7\u54c1\uff0c\u4f8b\u5982\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u53e6\u4e00\u4e2a\u5b50\u7c7bLaptop\u548c\u5de5\u5382LaptopFactory\u3002<\/li>\n<li>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u662f\u5065\u58ee\u7684\uff0c\u907f\u514d\u4e86\u5de5\u5382\u6a21\u5f0f\u4e2d\u7684\u6761\u4ef6\u903b\u8f91\u3002<\/li>\n<\/ul>\n<h3>\u5728JDK\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u793a\u4f8b<\/h3>\n<ul class=\"post-ul\">\n<li>javax.xml.parsers.DocumentBuilderFactory#newInstance()<\/li>\n<li>javax.xml.transform.TransformerFactory#newInstance()<\/li>\n<li>javax.xml.xpath.XPathFactory#newInstance()<\/li>\n<\/ul>\n<h3>\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u89c6\u9891\u6559\u7a0b<\/h3>\n<p>\u6700\u8fd1\u6211\u5728YouTube\u4e0a\u4e0a\u4f20\u4e86\u4e00\u4e2a\u5173\u4e8e\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u7684\u89c6\u9891\u3002\u5728\u8fd9\u4e2a\u89c6\u9891\u4e2d\uff0c\u6211\u8ba8\u8bba\u4e86\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u3002\u6211\u8fd8\u8ba8\u8bba\u4e86\u5de5\u5382\u6a21\u5f0f\u548c\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u95f4\u7684\u533a\u522b\u3002\u4f60\u53ef\u4ee5\u5728\u8fd9\u4e2a\u94fe\u63a5(<a href=\"https:\/\/youtu.be\/BPkYkyVWOaw\" target=\"_blank\">https:\/\/youtu.be\/BPkYkyVWOaw<\/a>)\u4e0a\u627e\u5230\u8fd9\u4e2a\u89c6\u9891\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u4ece\u6211\u7684GitHub\u9879\u76ee\u4e2d\u4e0b\u8f7d\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f \u6b22\u8fce\u6765\u5230Java\u793a\u4f8b\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u3002\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u662f\u521b\u5efa\u578b\u6a21\u5f0f\u4e4b\u4e00\u3002\u62bd\u8c61 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[180,760,1608,1607,1229],"class_list":{"0":"post-547","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java","9":"tag-1608","10":"tag-1607","11":"tag-1229"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u62bd\u8c61\u5de5\u5382\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5b9e\u73b0\u4e0e\u5b9e\u6218\u5e94\u7528 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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