{"id":45021,"date":"2025-06-22T02:22:42","date_gmt":"2025-06-21T18:22:42","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/45021.html"},"modified":"2025-06-22T02:22:42","modified_gmt":"2025-06-21T18:22:42","slug":"%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e7%b2%be%e8%ae%b2-day-3%ef%bc%9a%e6%8a%bd%e8%b1%a1%e5%b7%a5%e5%8e%82%e6%a8%a1%e5%bc%8f%ef%bc%88abstract-factory-pattern%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/45021.html","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\u7cbe\u8bb2 Day 3\uff1a\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff08Abstract Factory Pattern\uff09"},"content":{"rendered":"<p>\u3010\u8bbe\u8ba1\u6a21\u5f0f\u7cbe\u8bb2 Day 3\u3011\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff08;Abstract Factory Pattern&#xff09;<\/p>\n<hr \/>\n<h3>\u6587\u7ae0\u7b80\u8ff0<\/h3>\n<p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d&#xff0c;\u968f\u7740\u4e1a\u52a1\u590d\u6742\u5ea6\u7684\u63d0\u5347&#xff0c;\u7cfb\u7edf\u9700\u8981\u652f\u6301\u591a\u79cd\u4ea7\u54c1\u65cf\u7684\u521b\u5efa\u3002\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u6b63\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u800c\u8bde\u751f\u7684\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\u3002\u672c\u6587\u4f5c\u4e3a\u201c\u8bbe\u8ba1\u6a21\u5f0f\u7cbe\u8bb2\u201d\u7cfb\u5217\u7684\u7b2c3\u5929&#xff0c;\u6df1\u5165\u8bb2\u89e3\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u7684\u6838\u5fc3\u601d\u60f3\u3001\u5b9e\u73b0\u65b9\u5f0f\u4e0e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p>\u6587\u7ae0\u4ece\u6a21\u5f0f\u5b9a\u4e49\u51fa\u53d1&#xff0c;\u901a\u8fc7UML\u7c7b\u56fe\u548cJava\u4ee3\u7801\u793a\u4f8b\u8be6\u7ec6\u89e3\u6790\u5176\u7ed3\u6784\u4e0e\u5de5\u4f5c\u539f\u7406&#xff0c;\u5e76\u7ed3\u5408\u771f\u5b9e\u9879\u76ee\u6848\u4f8b\u8bf4\u660e\u5982\u4f55\u5728\u9ad8\u5185\u805a\u3001\u4f4e\u8026\u5408\u7684\u67b6\u6784\u4e2d\u5e94\u7528\u8be5\u6a21\u5f0f\u3002\u6b64\u5916&#xff0c;\u6211\u4eec\u8fd8\u5c06\u5bf9\u6bd4\u5176\u4e0e\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u533a\u522b&#xff0c;\u5e2e\u52a9\u8bfb\u8005\u5168\u9762\u638c\u63e1\u8be5\u6a21\u5f0f\u7684\u4ef7\u503c\u4e0e\u9002\u7528\u573a\u666f\u3002\u901a\u8fc7\u672c\u7bc7\u6587\u7ae0\u7684\u5b66\u4e60&#xff0c;\u5f00\u53d1\u8005\u5c06\u80fd\u591f\u7075\u6d3b\u8fd0\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u6784\u5efa\u53ef\u6269\u5c55\u3001\u6613\u7ef4\u62a4\u7684\u7cfb\u7edf\u67b6\u6784\u3002<\/p>\n<hr \/>\n<h3>\u6b63\u6587\u5185\u5bb9<\/h3>\n<h4>\u5f00\u7bc7&#xff1a;Day 3 \u2014\u2014 \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff08;Abstract Factory Pattern&#xff09;<\/h4>\n<p>\u5728\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e2d&#xff0c;\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u662f\u4e00\u79cd\u7528\u4e8e\u521b\u5efa\u4e00\u7cfb\u5217\u76f8\u5173\u6216\u4f9d\u8d56\u5bf9\u8c61\u7684\u63a5\u53e3&#xff0c;\u800c\u65e0\u9700\u6307\u5b9a\u5b83\u4eec\u5177\u4f53\u7684\u7c7b\u3002\u5b83\u5c5e\u4e8e\u521b\u5efa\u578b\u6a21\u5f0f&#xff0c;\u662f\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u8fdb\u4e00\u6b65\u62bd\u8c61\u548c\u6269\u5c55\u3002<\/p>\n<p>\u672c\u8282\u5c06\u56f4\u7ed5\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u5c55\u5f00&#xff0c;\u5206\u6790\u5176\u6838\u5fc3\u601d\u60f3\u3001\u7ed3\u6784\u7ec4\u6210\u3001\u4f7f\u7528\u573a\u666f\u4ee5\u53ca\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7684\u4ef7\u503c\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u6a21\u5f0f\u5b9a\u4e49&#xff1a;\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u7684\u6838\u5fc3\u601d\u60f3<\/h3>\n<h4>1.1 \u6a21\u5f0f\u5b9a\u4e49<\/h4>\n<p>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u63a5\u53e3&#xff0c;\u7528\u4e8e\u521b\u5efa\u4e00\u7ec4\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61&#xff0c;\u800c\u65e0\u9700\u6307\u5b9a\u5b83\u4eec\u7684\u5177\u4f53\u7c7b\u3002\u5b83\u5c01\u88c5\u4e86\u591a\u4e2a\u5de5\u5382\u65b9\u6cd5&#xff0c;\u4f7f\u5f97\u5ba2\u6237\u7aef\u53ef\u4ee5\u7edf\u4e00\u5730\u521b\u5efa\u4e0d\u540c\u4ea7\u54c1\u7684\u5bb6\u65cf\u3002<\/p>\n<p>\u6838\u5fc3\u601d\u60f3&#xff1a;\u5c06\u5bf9\u8c61\u7684\u521b\u5efa\u903b\u8f91\u5c01\u88c5\u5230\u4e00\u4e2a\u5de5\u5382\u63a5\u53e3\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u901a\u8fc7\u8c03\u7528\u8be5\u63a5\u53e3\u83b7\u53d6\u4ea7\u54c1&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u5b9e\u4f8b\u5316\u5177\u4f53\u7c7b\u3002<\/p>\n<h4>1.2 \u6838\u5fc3\u6982\u5ff5<\/h4>\n<ul>\n<li>\u62bd\u8c61\u5de5\u5382&#xff08;Abstract Factory&#xff09;&#xff1a;\u58f0\u660e\u521b\u5efa\u4e00\u7ec4\u4ea7\u54c1\u7684\u63a5\u53e3\u3002<\/li>\n<li>\u5177\u4f53\u5de5\u5382&#xff08;Concrete Factory&#xff09;&#xff1a;\u5b9e\u73b0\u62bd\u8c61\u5de5\u5382\u63a5\u53e3&#xff0c;\u8d1f\u8d23\u521b\u5efa\u5177\u4f53\u7684\u4ea7\u54c1\u5bf9\u8c61\u3002<\/li>\n<li>\u62bd\u8c61\u4ea7\u54c1&#xff08;Abstract Product&#xff09;&#xff1a;\u5b9a\u4e49\u4ea7\u54c1\u7684\u516c\u5171\u63a5\u53e3\u3002<\/li>\n<li>\u5177\u4f53\u4ea7\u54c1&#xff08;Concrete Product&#xff09;&#xff1a;\u5b9e\u73b0\u62bd\u8c61\u4ea7\u54c1\u7684\u63a5\u53e3&#xff0c;\u7531\u5177\u4f53\u5de5\u5382\u521b\u5efa\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e8c\u3001\u6a21\u5f0f\u7ed3\u6784&#xff1a;UML\u7c7b\u56fe\u4e0e\u5173\u952e\u89d2\u8272\u8bf4\u660e<\/h3>\n<p>\u867d\u7136\u65e0\u6cd5\u63d2\u5165\u56fe\u7247&#xff0c;\u4f46\u4ee5\u4e0b\u6587\u5b57\u63cf\u8ff0\u4e86\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u7684\u5178\u578b\u7ed3\u6784&#xff1a;<\/p>\n<ul>\n<li>AbstractFactory \u662f\u4e00\u4e2a\u63a5\u53e3&#xff0c;\u5305\u542b\u591a\u4e2a createProductX() \u65b9\u6cd5&#xff0c;\u7528\u4e8e\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u4ea7\u54c1\u3002<\/li>\n<li>ConcreteFactoryA \u548c ConcreteFactoryB \u662f\u4e24\u4e2a\u5177\u4f53\u5de5\u5382\u7c7b&#xff0c;\u5206\u522b\u5b9e\u73b0 AbstractFactory \u63a5\u53e3&#xff0c;\u521b\u5efa\u4e0d\u540c\u7684\u4ea7\u54c1\u7ec4\u5408\u3002<\/li>\n<li>AbstractProductA \u548c AbstractProductB \u662f\u4e24\u4e2a\u62bd\u8c61\u4ea7\u54c1\u63a5\u53e3&#xff0c;\u5b9a\u4e49\u4e86\u4ea7\u54c1\u7684\u516c\u5171\u884c\u4e3a\u3002<\/li>\n<li>ConcreteProductA1, ConcreteProductA2 \u662f AbstractProductA \u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n<li>ConcreteProductB1, ConcreteProductB2 \u662f AbstractProductB \u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<p>\u8be5\u6a21\u5f0f\u7684\u5173\u952e\u5728\u4e8e&#xff1a;\u540c\u4e00\u5de5\u5382\u521b\u5efa\u7684\u4e00\u7ec4\u4ea7\u54c1\u4e4b\u95f4\u5177\u6709\u5185\u5728\u5173\u8054\u6027&#xff0c;\u4f8b\u5982\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684UI\u7ec4\u4ef6&#xff08;Windows vs Mac&#xff09;\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u9002\u7528\u573a\u666f&#xff1a;\u4f55\u65f6\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff1f;<\/h3>\n<table>\n<tr>\u573a\u666f\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u9700\u8981\u521b\u5efa\u591a\u4e2a\u76f8\u5173\u4ea7\u54c1<\/td>\n<td>\u5f53\u9700\u8981\u521b\u5efa\u4e00\u7ec4\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u7684\u5bf9\u8c61\u65f6<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7edf\u9700\u652f\u6301\u591a\u7248\u672c\u6216\u591a\u5e73\u53f0<\/td>\n<td>\u5982\u8de8\u5e73\u53f0GUI\u6846\u67b6&#xff08;Windows\/Mac\/Linux&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u964d\u4f4e\u8026\u5408\u5ea6<\/td>\n<td>\u5ba2\u6237\u7aef\u4e0d\u76f4\u63a5\u4f9d\u8d56\u5177\u4f53\u4ea7\u54c1\u7c7b&#xff0c;\u800c\u662f\u4f9d\u8d56\u62bd\u8c61\u63a5\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u7edf\u4e00\u4ea7\u54c1\u65cf\u7ba1\u7406<\/td>\n<td>\u4fdd\u8bc1\u540c\u4e00\u5de5\u5382\u521b\u5efa\u7684\u4ea7\u54c1\u5177\u6709\u4e00\u81f4\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u56db\u3001\u5b9e\u73b0\u65b9\u5f0f&#xff1a;\u5b8c\u6574\u7684Java\u4ee3\u7801\u793a\u4f8b<\/h3>\n<h4>\u793a\u4f8b1&#xff1a;\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u57fa\u7840\u5b9e\u73b0<\/h4>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u4ea7\u54c1A<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ProductA<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u4ea7\u54c1A1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProductA1<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ProductA<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Product A1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u4ea7\u54c1A2<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProductA2<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ProductA<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Product A2&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u4ea7\u54c1B<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ProductB<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u4ea7\u54c1B1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProductB1<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ProductB<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Product B1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u4ea7\u54c1B2<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProductB2<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ProductB<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Product B2&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u5de5\u5382<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">AbstractFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">ProductA<\/span> <span class=\"token function\">createProductA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">ProductB<\/span> <span class=\"token function\">createProductB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u5de5\u53821<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConcreteFactory1<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">AbstractFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ProductA<\/span> <span class=\"token function\">createProductA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProductA1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ProductB<\/span> <span class=\"token function\">createProductB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProductB1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5177\u4f53\u5de5\u53822<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConcreteFactory2<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">AbstractFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ProductA<\/span> <span class=\"token function\">createProductA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProductA2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ProductB<\/span> <span class=\"token function\">createProductB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProductB2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u4ee3\u7801<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Client<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f7f\u7528\u7b2c\u4e00\u4e2a\u5de5\u5382\u521b\u5efa\u4ea7\u54c1<\/span><br \/>\n        <span class=\"token class-name\">AbstractFactory<\/span> factory1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ConcreteFactory1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ProductA<\/span> a1 <span class=\"token operator\">&#061;<\/span> factory1<span class=\"token punctuation\">.<\/span><span class=\"token function\">createProductA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ProductB<\/span> b1 <span class=\"token operator\">&#061;<\/span> factory1<span class=\"token punctuation\">.<\/span><span class=\"token function\">createProductB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        a1<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: Product A1<\/span><br \/>\n        b1<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: Product B1<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f7f\u7528\u7b2c\u4e8c\u4e2a\u5de5\u5382\u521b\u5efa\u4ea7\u54c1<\/span><br \/>\n        <span class=\"token class-name\">AbstractFactory<\/span> factory2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ConcreteFactory2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ProductA<\/span> a2 <span class=\"token operator\">&#061;<\/span> factory2<span class=\"token punctuation\">.<\/span><span class=\"token function\">createProductA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ProductB<\/span> b2 <span class=\"token operator\">&#061;<\/span> factory2<span class=\"token punctuation\">.<\/span><span class=\"token function\">createProductB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        a2<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: Product A2<\/span><br \/>\n        b2<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: Product B2<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u8bf4\u660e<\/h5>\n<ul>\n<li>AbstractFactory \u5b9a\u4e49\u4e86\u521b\u5efa\u4e24\u79cd\u4ea7\u54c1\u7684\u63a5\u53e3\u3002<\/li>\n<li>ConcreteFactory1 \u548c ConcreteFactory2 \u5206\u522b\u521b\u5efa\u4e0d\u540c\u7684\u4ea7\u54c1\u7ec4\u5408\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u901a\u8fc7\u5de5\u5382\u63a5\u53e3\u521b\u5efa\u4ea7\u54c1&#xff0c;\u907f\u514d\u4e86\u5bf9\u5177\u4f53\u7c7b\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e94\u3001\u5de5\u4f5c\u539f\u7406&#xff1a;\u62bd\u8c61\u5de5\u5382\u5982\u4f55\u89e3\u51b3\u95ee\u9898&#xff1f;<\/h3>\n<p>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u901a\u8fc7\u5c06\u4ea7\u54c1\u521b\u5efa\u903b\u8f91\u96c6\u4e2d\u5230\u5de5\u5382\u7c7b\u4e2d&#xff0c;\u5b9e\u73b0\u4e86\u4ee5\u4e0b\u76ee\u6807&#xff1a;<\/p>\n<ul>\n<li>\u89e3\u8026&#xff1a;\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u77e5\u9053\u5177\u4f53\u4ea7\u54c1\u7c7b&#xff0c;\u53ea\u9700\u8981\u8c03\u7528\u5de5\u5382\u65b9\u6cd5\u5373\u53ef\u3002<\/li>\n<li>\u4e00\u81f4\u6027&#xff1a;\u540c\u4e00\u5de5\u5382\u521b\u5efa\u7684\u4ea7\u54c1\u4e4b\u95f4\u4fdd\u6301\u4e00\u81f4\u6027\u548c\u517c\u5bb9\u6027\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027&#xff1a;\u65b0\u589e\u4ea7\u54c1\u65cf\u53ea\u9700\u6dfb\u52a0\u65b0\u7684\u5de5\u5382\u7c7b&#xff0c;\u7b26\u5408\u5f00\u95ed\u539f\u5219\u3002<\/li>\n<\/ul>\n<p>\u5728\u591a\u5e73\u53f0\u3001\u591a\u7248\u672c\u7cfb\u7edf\u4e2d&#xff0c;\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u53ef\u4ee5\u786e\u4fdd\u4e0d\u540c\u5e73\u53f0\u4e0b\u4ea7\u54c1\u4e4b\u95f4\u7684\u884c\u4e3a\u4e00\u81f4\u6027\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u4f18\u7f3a\u70b9\u5206\u6790<\/h3>\n<table>\n<tr>\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027<\/td>\n<td>\u589e\u52a0\u4e86\u7cfb\u7edf\u590d\u6742\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u5ba2\u6237\u7aef\u4e0e\u5177\u4f53\u4ea7\u54c1\u7c7b\u89e3\u8026<\/td>\n<td>\u65b0\u589e\u4ea7\u54c1\u65cf\u9700\u8981\u4fee\u6539\u5de5\u5382\u63a5\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u8bc1\u4ea7\u54c1\u65cf\u7684\u4e00\u81f4\u6027<\/td>\n<td>\u4e0d\u9002\u5408\u521b\u5efa\u5355\u4e2a\u4ea7\u54c1\u5bf9\u8c61<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e03\u3001\u6848\u4f8b\u5206\u6790&#xff1a;\u8de8\u5e73\u53f0GUI\u5e93\u7684\u5b9e\u73b0<\/h3>\n<h4>\u80cc\u666f<\/h4>\n<p>\u67d0\u516c\u53f8\u5f00\u53d1\u4e86\u4e00\u6b3e\u8de8\u5e73\u53f0\u7684GUI\u5de5\u5177&#xff0c;\u652f\u6301Windows\u3001Mac\u548cLinux\u4e09\u79cd\u64cd\u4f5c\u7cfb\u7edf\u3002\u6bcf\u79cd\u5e73\u53f0\u90fd\u6709\u81ea\u5df1\u7684\u6309\u94ae\u3001\u6587\u672c\u6846\u7b49UI\u7ec4\u4ef6\u3002<\/p>\n<h4>\u95ee\u9898<\/h4>\n<ul>\n<li>\u6bcf\u4e2a\u5e73\u53f0\u7684UI\u7ec4\u4ef6\u5dee\u5f02\u8f83\u5927&#xff0c;\u5bfc\u81f4\u4ee3\u7801\u91cd\u590d\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u4ee3\u7801\u9700\u8981\u6839\u636e\u5e73\u53f0\u52a0\u8f7d\u4e0d\u540c\u7ec4\u4ef6&#xff0c;\u8026\u5408\u4e25\u91cd\u3002<\/li>\n<\/ul>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<p>\u4f7f\u7528\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u6765\u5c01\u88c5\u4e0d\u540c\u5e73\u53f0\u7684UI\u7ec4\u4ef6\u521b\u5efa\u903b\u8f91\u3002<\/p>\n<h5>\u5b9e\u73b0\u4ee3\u7801<\/h5>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u4ea7\u54c1&#xff1a;\u6309\u94ae<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Button<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u4ea7\u54c1&#xff1a;\u6587\u672c\u6846<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">TextField<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Windows\u5e73\u53f0\u4ea7\u54c1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WindowsButton<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Button<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Render Windows Button&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WindowsTextField<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">TextField<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Render Windows Text Field&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Mac\u5e73\u53f0\u4ea7\u54c1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MacButton<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Button<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Render Mac Button&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MacTextField<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">TextField<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Render Mac Text Field&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u5de5\u5382<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">GUIFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">Button<\/span> <span class=\"token function\">createButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">TextField<\/span> <span class=\"token function\">createTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Windows\u5de5\u5382<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WindowsFactory<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">GUIFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Button<\/span> <span class=\"token function\">createButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WindowsButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">TextField<\/span> <span class=\"token function\">createTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WindowsTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Mac\u5de5\u5382<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MacFactory<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">GUIFactory<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Button<\/span> <span class=\"token function\">createButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MacButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">TextField<\/span> <span class=\"token function\">createTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MacTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Client<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6839\u636e\u5e73\u53f0\u9009\u62e9\u5de5\u5382<\/span><br \/>\n        <span class=\"token class-name\">GUIFactory<\/span> factory<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getProperty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;os.name&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Windows&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            factory <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WindowsFactory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            factory <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MacFactory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">Button<\/span> button <span class=\"token operator\">&#061;<\/span> factory<span class=\"token punctuation\">.<\/span><span class=\"token function\">createButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">TextField<\/span> textField <span class=\"token operator\">&#061;<\/span> factory<span class=\"token punctuation\">.<\/span><span class=\"token function\">createTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        button<span class=\"token punctuation\">.<\/span><span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6839\u636e\u5e73\u53f0\u8f93\u51fa\u4e0d\u540c\u7ed3\u679c<\/span><br \/>\n        textField<span class=\"token punctuation\">.<\/span><span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u6548\u679c<\/h5>\n<ul>\n<li>\u5ba2\u6237\u7aef\u4ee3\u7801\u4e0d\u518d\u5173\u5fc3\u5177\u4f53\u5e73\u53f0&#xff0c;\u53ea\u901a\u8fc7\u5de5\u5382\u63a5\u53e3\u521b\u5efa\u7ec4\u4ef6\u3002<\/li>\n<li>\u6269\u5c55\u65b0\u5e73\u53f0\u53ea\u9700\u6dfb\u52a0\u65b0\u5de5\u5382\u7c7b&#xff0c;\u7b26\u5408\u5f00\u95ed\u539f\u5219\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u516b\u3001\u4e0e\u5176\u4ed6\u6a21\u5f0f\u7684\u5173\u7cfb<\/h3>\n<table>\n<tr>\u6a21\u5f0f\u5173\u7cfb\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u5de5\u5382\u65b9\u6cd5<\/td>\n<td>\u7236\u7c7b<\/td>\n<td>\u62bd\u8c61\u5de5\u5382\u662f\u5bf9\u5de5\u5382\u65b9\u6cd5\u7684\u5c01\u88c5\u548c\u6269\u5c55<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u4f8b\u6a21\u5f0f<\/td>\n<td>\u53ef\u914d\u5408\u4f7f\u7528<\/td>\n<td>\u5de5\u5382\u7c7b\u53ef\u4ee5\u662f\u5355\u4f8b&#xff0c;\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00<\/td>\n<\/tr>\n<tr>\n<td>\u5efa\u9020\u8005\u6a21\u5f0f<\/td>\n<td>\u53ef\u66ff\u4ee3\u90e8\u5206\u529f\u80fd<\/td>\n<td>\u5efa\u9020\u8005\u5173\u6ce8\u5bf9\u8c61\u6784\u5efa\u8fc7\u7a0b&#xff0c;\u62bd\u8c61\u5de5\u5382\u5173\u6ce8\u5bf9\u8c61\u96c6\u5408<\/td>\n<\/tr>\n<tr>\n<td>\u539f\u578b\u6a21\u5f0f<\/td>\n<td>\u4e92\u8865<\/td>\n<td>\u53ef\u7ed3\u5408\u4f7f\u7528&#xff0c;\u5982\u5de5\u5382\u521b\u5efa\u539f\u578b\u5bf9\u8c61\u5e76\u514b\u9686<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e5d\u3001\u603b\u7ed3&#xff1a;\u672c\u65e5\u5b66\u4e60\u8981\u70b9\u56de\u987e<\/h3>\n<p>\u4eca\u5929&#xff0c;\u6211\u4eec\u6df1\u5165\u5b66\u4e60\u4e86\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff0c;\u5305\u62ec\u5176\u6838\u5fc3\u601d\u60f3\u3001\u7ed3\u6784\u7ec4\u6210\u3001\u9002\u7528\u573a\u666f\u3001\u5b9e\u73b0\u65b9\u5f0f\u4ee5\u53ca\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u3002\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u548c\u6848\u4f8b\u5206\u6790&#xff0c;\u6211\u4eec\u7406\u89e3\u4e86\u5982\u4f55\u5229\u7528\u8be5\u6a21\u5f0f\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u4e0e\u4e00\u81f4\u6027\u3002<\/p>\n<hr \/>\n<h3>\u4e0b\u4e00\u7bc7\u9884\u544a<\/h3>\n<p>\u660e\u5929\u6211\u4eec\u5c06\u8fdb\u5165\u201c\u8bbe\u8ba1\u6a21\u5f0f\u7cbe\u8bb2\u201d\u7cfb\u5217\u7684\u7b2c4\u5929&#xff0c;\u4e3b\u9898\u662f\u300a\u5efa\u9020\u8005\u6a21\u5f0f&#xff08;Builder Pattern&#xff09;\u300b\u3002\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7\u9010\u6b65\u6784\u5efa\u590d\u6742\u5bf9\u8c61&#xff0c;\u63d0\u5347\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u4e0e\u53ef\u8bfb\u6027\u3002\u656c\u8bf7\u671f\u5f85&#xff01;<\/p>\n<hr \/>\n<h3>\u6587\u7ae0\u6807\u7b7e<\/h3>\n<p>design-patterns, java, abstract-factory, software-design, object-oriented-programming<\/p>\n<hr \/>\n<h3>\u8fdb\u4e00\u6b65\u5b66\u4e60\u8d44\u6599<\/h3>\n<li>Design Patterns: Elements of Reusable Object-Oriented Software &#8211; Erich Gamma et al.<\/li>\n<li>Java Design Patterns &#8211; A Hands-On Guide with Examples<\/li>\n<li>Java Design Patterns &#8211; Oracle Documentation<\/li>\n<li>Abstract Factory Pattern in Java &#8211; GeeksforGeeks<\/li>\n<li>Java Design Patterns &#8211; TutorialsPoint<\/li>\n<hr 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