{"id":1031,"date":"2022-11-18T16:14:15","date_gmt":"2022-11-18T08:14:15","guid":{"rendered":"https:\/\/blog.frost-s.com\/?p=1031"},"modified":"2022-11-21T17:01:45","modified_gmt":"2022-11-21T09:01:45","slug":"%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%bb%a3%e7%a0%81%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/blog.frost-s.com\/index.php\/2022\/11\/18\/%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%bb%a3%e7%a0%81%e7%a4%ba%e4%be%8b\/","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\u4ee3\u7801\u793a\u4f8b"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u62bd\u8c61\u5de5\u5382<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.frost-s.com\/wp-content\/uploads\/2022\/11\/image-640x450.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"450\" data-original=\"https:\/\/blog.frost-s.com\/wp-content\/uploads\/2022\/11\/image-640x450.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1032\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u672c\u4f8b\u4e2d\uff0c\u6309\u94ae\u548c\u590d\u9009\u6846\u5c06\u88ab\u4f5c\u4e3a\u4ea7\u54c1\u3002\u5b83\u4eec\u6709\u4e24\u4e2a\u53d8\u4f53\uff1amacOS \u7248\u548c Windows \u7248\u3002<\/p>\n\n\n\n<p>\u62bd\u8c61\u5de5\u5382\u5b9a\u4e49\u4e86\u7528\u4e8e\u521b\u5efa\u6309\u94ae\u548c\u590d\u9009\u6846\u7684\u63a5\u53e3\u3002\u800c\u4e24\u4e2a\u5177\u4f53\u5de5\u5382\u90fd\u4f1a\u8fd4\u56de\u540c\u4e00\u53d8\u4f53\u7684\u4e24\u4e2a\u4ea7\u54c1\u3002<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u4ee3\u7801\u4f7f\u7528\u62bd\u8c61\u63a5\u53e3\u4e0e\u5de5\u5382\u548c\u4ea7\u54c1\u8fdb\u884c\u4ea4\u4e92\u3002\u540c\u6837\u7684\u4ee3\u7801\u80fd\u4e0e\u4f9d\u8d56\u4e8e\u4e0d\u540c\u5de5\u5382\u5bf9\u8c61\u7c7b\u578b\u7684\u591a\u79cd\u4ea7\u54c1\u53d8\u4f53\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"outline_3\"><strong>buttons:<\/strong>&nbsp;\u7b2c\u4e00\u4e2a\u4ea7\u54c1\u5c42\u6b21\u7ed3\u6784<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_4\"><strong>buttons\/Button.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.buttons;\n\n\/**\n * Abstract Factory assumes that you have several families of products,\n * structured into separate class hierarchies (Button\/Checkbox). All products of\n * the same family have the common interface.\n *\n * This is the common interface for buttons family.\n *\/\n<strong>public<\/strong> <strong>interface<\/strong> Button {\n    void paint();\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_5\"><strong>buttons\/MacOSButton.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.buttons;\n\n\/**\n * All products families have the same varieties (MacOS\/Windows).\n *\n * This is a MacOS variant of a button.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> MacOSButton implements Button {\n\n    @Override\n    <strong>public<\/strong> void paint() {\n        System.<strong>out<\/strong>.println(\"You have created MacOSButton.\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_6\"><strong>buttons\/WindowsButton.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.buttons;\n\n\/**\n * All products families have the same varieties (MacOS\/Windows).\n *\n * This is another variant of a button.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> WindowsButton implements Button {\n\n    @Override\n    <strong>public<\/strong> void paint() {\n        System.<strong>out<\/strong>.println(\"You have created WindowsButton.\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"outline_7\"><strong>checkboxes:<\/strong>&nbsp;\u7b2c\u4e8c\u4e2a\u4ea7\u54c1\u5c42\u6b21\u7ed3\u6784<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_8\"><strong>checkboxes\/Checkbox.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.checkboxes;\n\n\/**\n * Checkboxes is the second product family. It has the same variants as buttons.\n *\/\n<strong>public<\/strong> <strong>interface<\/strong> Checkbox {\n    void paint();\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_9\"><strong>checkboxes\/MacOSCheckbox.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.checkboxes;\n\n\/**\n * All products families have the same varieties (MacOS\/Windows).\n *\n * This is a variant of a checkbox.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> MacOSCheckbox implements Checkbox {\n\n    @Override\n    <strong>public<\/strong> void paint() {\n        System.<strong>out<\/strong>.println(\"You have created MacOSCheckbox.\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_10\"><strong>checkboxes\/WindowsCheckbox.java<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.checkboxes;\n\n\/**\n * All products families have the same varieties (MacOS\/Windows).\n *\n * This is another variant of a checkbox.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> WindowsCheckbox implements Checkbox {\n\n    @Override\n    <strong>public<\/strong> void paint() {\n        System.<strong>out<\/strong>.println(\"You have created WindowsCheckbox.\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"outline_11\"><strong>factories<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_12\"><strong>factories\/GUIFactory.java:<\/strong>&nbsp;\u62bd\u8c61\u5de5\u5382<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.factories;\n\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.Button;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.Checkbox;\n\n\/**\n * Abstract factory knows about all (abstract) product types.\n *\/\n<strong>public<\/strong> <strong>interface<\/strong> GUIFactory {\n    Button createButton();\n    Checkbox createCheckbox();\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_13\"><strong>factories\/MacOSFactory.java:<\/strong>&nbsp;\u5177\u4f53\u5de5\u5382\uff08&nbsp;mac\u00adOS\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.factories;\n\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.Button;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.MacOSButton;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.Checkbox;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.MacOSCheckbox;\n\n\/**\n * Each concrete factory extends basic factory and responsible for creating\n * products of a single variety.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> MacOSFactory implements GUIFactory {\n\n    @Override\n    <strong>public<\/strong> Button createButton() {\n        <strong>return<\/strong> new MacOSButton();\n    }\n\n    @Override\n    <strong>public<\/strong> Checkbox createCheckbox() {\n        <strong>return<\/strong> new MacOSCheckbox();\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_14\"><strong>factories\/WindowsFactory.java:<\/strong>&nbsp;\u5177\u4f53\u5de5\u5382\uff08Windows\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.factories;\n\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.Button;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.WindowsButton;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.Checkbox;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.WindowsCheckbox;\n\n\/**\n * Each concrete factory extends basic factory and responsible for creating\n * products of a single variety.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> WindowsFactory implements GUIFactory {\n\n    @Override\n    <strong>public<\/strong> Button createButton() {\n        <strong>return<\/strong> new WindowsButton();\n    }\n\n    @Override\n    <strong>public<\/strong> Checkbox createCheckbox() {\n        <strong>return<\/strong> new WindowsCheckbox();\n    }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"outline_15\"><strong>app<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_16\"><strong>app\/Application.java:<\/strong>&nbsp;\u5ba2\u6237\u7aef\u4ee3\u7801<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package refactoring_guru.abstract_factory.example.app;\n\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.buttons.Button;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.checkboxes.Checkbox;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.factories.GUIFactory;\n\n\/**\n * Factory users don't care which concrete factory they use since they work with\n * factories and products through abstract interfaces.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> Application {\n    <strong>private<\/strong> Button button;\n    <strong>private<\/strong> Checkbox checkbox;\n\n    <strong>public<\/strong> Application(GUIFactory factory) {\n        button = factory.createButton();\n        checkbox = factory.createCheckbox();\n    }\n\n    <strong>public<\/strong> void paint() {\n        button.paint();\n        checkbox.paint();\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_17\"><strong>Demo.java:<\/strong>&nbsp;\u7a0b\u5e8f\u914d\u7f6e<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>package<\/strong> refactoring_guru.abstract_factory.example;\n\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.app.Application;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.factories.GUIFactory;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.factories.MacOSFactory;\n<strong>import<\/strong> refactoring_guru.abstract_factory.example.factories.WindowsFactory;\n\n\/**\n * Demo class. Everything comes together here.\n *\/\n<strong>public<\/strong> <strong>class<\/strong> <strong>Demo<\/strong> {\n\n    \/**\n     * Application picks the factory type and creates it in run time (usually at\n     * initialization stage), depending on the configuration or environment\n     * variables.\n     *\/\n    <strong>private<\/strong> <strong>static<\/strong> Application configureApplication() {\n        Application app;\n        GUIFactory factory;\n        <strong>String<\/strong> osName = System.getProperty(\"os.name\").toLowerCase();\n        <strong>if<\/strong> (osName.contains(\"mac\")) {\n            factory = <strong>new<\/strong> MacOSFactory();\n        } <strong>else<\/strong> {\n            factory = <strong>new<\/strong> WindowsFactory();\n        }\n        app = <strong>new<\/strong> Application(factory);\n        <strong>return<\/strong> app;\n    }\n\n    <strong>public<\/strong> <strong>static<\/strong> void main(<strong>String<\/strong>&#91;] args) {\n        Application app = configureApplication();\n        app.paint();\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"outline_18\"><strong>OutputDemo.txt:<\/strong>&nbsp;\u6267\u884c\u7ed3\u679c<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">You create WindowsButton.\nYou created WindowsCheckbox.<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u62bd\u8c61\u5de5\u5382 \u5728\u672c\u4f8b\u4e2d\uff0c\u6309\u94ae\u548c\u590d\u9009\u6846\u5c06\u88ab\u4f5c\u4e3a\u4ea7\u54c1\u3002\u5b83\u4eec\u6709\u4e24\u4e2a\u53d8\u4f53\uff1amacOS \u7248\u548c Windows \u7248\u3002 \u62bd\u8c61\u5de5\u5382 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1014,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,8,6],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1031"}],"collection":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/comments?post=1031"}],"version-history":[{"count":4,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1031\/revisions"}],"predecessor-version":[{"id":1036,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/posts\/1031\/revisions\/1036"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/media\/1014"}],"wp:attachment":[{"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/media?parent=1031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/categories?post=1031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.frost-s.com\/index.php\/wp-json\/wp\/v2\/tags?post=1031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}