{"id":374,"date":"2023-06-20T12:13:42","date_gmt":"2022-12-26T05:18:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e7%bb%84%e5%90%88%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/"},"modified":"2025-08-02T02:44:10","modified_gmt":"2025-08-01T18:44:10","slug":"java%e4%b8%ad%e7%9a%84%e7%bb%84%e5%90%88%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%e7%bb%84%e5%90%88%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790Java\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\uff1a\u539f\u7406\u4e0e\u5b9e\u6218\u5e94\u7528"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aJava\u4e2d\u7684\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5185\u5bb9\u7247\u6bb5: \u7ec4\u5408\u6a21\u5f0f\u662f\u7ed3\u6784\u6027\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\u3002\u5f53\u6211\u4eec\u9700\u8981\u8868\u793a\u4e00\u4e2a\u90e8\u5206-\u6574\u4f53\u5c42\u6b21\u7ed3\u6784\u65f6\uff0c\u4f1a\u4f7f\u7528\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n<h2>\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n<p>\u5f53\u6211\u4eec\u9700\u8981\u4ee5\u67d0\u79cd\u65b9\u5f0f\u521b\u5efa\u4e00\u4e2a\u7ed3\u6784\uff0c\u8be5\u7ed3\u6784\u4e2d\u7684\u5bf9\u8c61\u5fc5\u987b\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u8fdb\u884c\u5904\u7406\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5e94\u7528\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u3002\u8ba9\u6211\u4eec\u7528\u4e00\u4e2a\u73b0\u5b9e\u751f\u6d3b\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u5b83\u2014\u2014\u56fe\u8868\u662f\u7531\u5706\u5f62\u3001\u7ebf\u6761\u3001\u4e09\u89d2\u5f62\u7b49\u5bf9\u8c61\u7ec4\u6210\u7684\u7ed3\u6784\u3002\u5f53\u6211\u4eec\u7528\u989c\u8272\uff08\u6bd4\u5982\u7ea2\u8272\uff09\u586b\u5145\u56fe\u8868\u65f6\uff0c\u76f8\u540c\u7684\u989c\u8272\u4e5f\u88ab\u5e94\u7528\u5230\u56fe\u8868\u4e2d\u7684\u5bf9\u8c61\u4e0a\u3002\u8fd9\u91cc\u7684\u56fe\u8868\u7531\u4e0d\u540c\u7684\u90e8\u5206\u7ec4\u6210\uff0c\u5b83\u4eec\u90fd\u5177\u6709\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u7ec4\u5408\u6a21\u5f0f\u5305\u62ec\u4ee5\u4e0b\u5bf9\u8c61\u3002<\/p>\n<ol>\n<li>\u57fa\u672c\u7ec4\u4ef6 &#8211; \u57fa\u672c\u7ec4\u4ef6\u662f\u6784\u6210\u6240\u6709\u5bf9\u8c61\u7684\u63a5\u53e3\uff0c\u5ba2\u6237\u7a0b\u5e8f\u4f7f\u7528\u57fa\u672c\u7ec4\u4ef6\u6765\u5904\u7406\u7ec4\u5408\u4e2d\u7684\u5bf9\u8c61\u3002\u5b83\u53ef\u4ee5\u662f\u4e00\u4e2a\u63a5\u53e3\u6216\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e9b\u5bf9\u4e8e\u6240\u6709\u5bf9\u8c61\u90fd\u901a\u7528\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\u53f6\u8282\u70b9 &#8211; \u5b9a\u4e49\u7ec4\u5408\u4e2d\u5143\u7d20\u7684\u884c\u4e3a\u3002\u5b83\u662f\u7ec4\u5408\u7684\u57fa\u672c\u6784\u5efa\u5757\uff0c\u5e76\u5b9e\u73b0\u57fa\u672c\u7ec4\u4ef6\u3002\u5b83\u6ca1\u6709\u5bf9\u5176\u4ed6\u7ec4\u4ef6\u7684\u5f15\u7528\u3002<\/li>\n<li>\u7ec4\u5408 &#8211; \u7531\u53f6\u8282\u70b9\u5143\u7d20\u7ec4\u6210\uff0c\u5e76\u5b9e\u73b0\u57fa\u672c\u7ec4\u4ef6\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u6b63\u5728\u4e3a\u7ed8\u753b\u573a\u666f\u5e94\u7528\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n<h3>\u590d\u5408\u6a21\u5f0f\u57fa\u672c\u7ec4\u4ef6<\/h3>\n<p>\u7ec4\u5408\u6a21\u5f0f\u7684\u57fa\u672c\u7ec4\u4ef6\u4e3a\u53f6\u8282\u70b9\u548c\u590d\u5408\u8282\u70b9\u5b9a\u4e49\u4e86\u5171\u6709\u7684\u65b9\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7c7bShape\uff0c\u5e76\u62e5\u6709\u4e00\u4e2a\u65b9\u6cd5draw(String fillColor)\uff0c\u6765\u7528\u7ed9\u5b9a\u7684\u989c\u8272\u7ed8\u5236\u5f62\u72b6\u3002Shape.java\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.composite;\r\n\r\npublic interface Shape {\r\n\t\r\n\tpublic void draw(String fillColor);\r\n}\r\n<\/code><\/pre>\n<h3>\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u7684\u53f6\u5b50\u5bf9\u8c61<\/h3>\n<p>\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u7684\u53f6\u5b50\u7c7b\u5b9e\u73b0\u4e86\u57fa\u672c\u7ec4\u4ef6\uff0c\u8fd9\u4e9b\u662f\u6784\u6210\u590d\u5408\u5bf9\u8c61\u7684\u57fa\u672c\u5355\u4f4d\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u53f6\u5b50\u5bf9\u8c61\uff0c\u6bd4\u5982Triangle\uff08\u4e09\u89d2\u5f62\uff09\uff0cCircle\uff08\u5706\u5f62\uff09\u7b49\u3002Triangle.java\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.composite;\r\n\r\npublic class Triangle implements Shape {\r\n\r\n\t@Override\r\n\tpublic void draw(String fillColor) {\r\n\t\tSystem.out.println(\"\u7528\u989c\u8272 \"+fillColor+\" \u7ed8\u5236\u4e09\u89d2\u5f62\");\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>Circle.java<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.composite;\r\n\r\npublic class Circle implements Shape {\r\n\r\n\t@Override\r\n\tpublic void draw(String fillColor) {\r\n\t\tSystem.out.println(\"\u7528\u989c\u8272 \"+fillColor+\" \u7ed8\u5236\u5706\u5f62\");\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<h3>\u590d\u5408\u5bf9\u8c61<\/h3>\n<p>\u4e00\u4e2a\u590d\u5408\u5bf9\u8c61\u5305\u542b\u4e86\u4e00\u7ec4\u53f6\u5b50\u5bf9\u8c61\uff0c\u5e76\u4e14\u6211\u4eec\u5e94\u8be5\u63d0\u4f9b\u4e00\u4e9b\u5e2e\u52a9\u65b9\u6cd5\u6765\u6dfb\u52a0\u6216\u5220\u9664\u7ec4\u4e2d\u7684\u53f6\u5b50\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u65b9\u6cd5\u6765\u79fb\u9664\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002Drawing.java\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.composite;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.List;\r\n\r\npublic class Drawing implements Shape{\r\n\r\n\t\/\/ \u5f62\u72b6\u7684\u96c6\u5408\r\n\tprivate List&lt;Shape&gt; shapes = new ArrayList&lt;Shape&gt;();\r\n\t\r\n\t@Override\r\n\tpublic void draw(String fillColor) {\r\n\t\tfor(Shape sh : shapes)\r\n\t\t{\r\n\t\t\tsh.draw(fillColor);\r\n\t\t}\r\n\t}\r\n\t\r\n\t\/\/ \u5411\u7ed8\u56fe\u4e2d\u6dfb\u52a0\u5f62\u72b6\r\n\tpublic void add(Shape s){\r\n\t\tthis.shapes.add(s);\r\n\t}\r\n\t\r\n\t\/\/ \u4ece\u7ed8\u56fe\u4e2d\u79fb\u9664\u5f62\u72b6\r\n\tpublic void remove(Shape s){\r\n\t\tshapes.remove(s);\r\n\t}\r\n\t\r\n\t\/\/ \u79fb\u9664\u6240\u6709\u5f62\u72b6\r\n\tpublic void clear(){\r\n\t\tSystem.out.println(\"\u4ece\u7ed8\u56fe\u4e2d\u6e05\u9664\u6240\u6709\u5f62\u72b6\");\r\n\t\tthis.shapes.clear();\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u7ec4\u5408\u6a21\u5f0f\u4e5f\u5b9e\u73b0\u4e86\u7ec4\u4ef6\u5e76\u4e14\u4e0e\u53f6\u5b50\u8282\u70b9\u7c7b\u4f3c\uff0c\u53ea\u662f\u5b83\u53ef\u4ee5\u5305\u542b\u4e00\u7ec4\u53f6\u5b50\u5143\u7d20\u3002\u6211\u4eec\u7684\u7ec4\u5408\u6a21\u5f0f\u5df2\u7ecf\u5b9e\u73b0\u5b8c\u6210\uff0c\u73b0\u5728\u53ef\u4ee5\u7528\u5ba2\u6237\u7a0b\u5e8f\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h3>\u590d\u5408\u8bbe\u8ba1\u6a21\u5f0f\u5ba2\u6237\u7aef\u7a0b\u5e8f<\/h3>\n<p>\u6d4b\u8bd5CompositePattern.java<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.test;\r\n\r\nimport com.Olivia.design.composite.Circle;\r\nimport com.Olivia.design.composite.Drawing;\r\nimport com.Olivia.design.composite.Shape;\r\nimport com.Olivia.design.composite.Triangle;\r\n\r\npublic class TestCompositePattern {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tShape tri = new Triangle();\r\n\t\tShape tri1 = new Triangle();\r\n\t\tShape cir = new Circle();\r\n\t\t\r\n\t\tDrawing drawing = new Drawing();\r\n\t\tdrawing.add(tri1);\r\n\t\tdrawing.add(tri1);\r\n\t\tdrawing.add(cir);\r\n\t\t\r\n\t\tdrawing.draw(\"\u7ea2\u8272\");\r\n\t\t\r\n\t\tdrawing.clear();\r\n\t\t\r\n\t\tdrawing.add(tri);\r\n\t\tdrawing.add(cir);\r\n\t\tdrawing.draw(\"\u7eff\u8272\");\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u7ec4\u5408\u6a21\u5f0f\u5ba2\u6237\u7aef\u7a0b\u5e8f\u7684\u8f93\u51fa\u7ed3\u679c\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u7528\u989c\u8272 \u7ea2\u8272 \u7ed8\u5236\u4e09\u89d2\u5f62\r\n\u7528\u989c\u8272 \u7ea2\u8272 \u7ed8\u5236\u4e09\u89d2\u5f62\r\n\u7528\u989c\u8272 \u7ea2\u8272 \u7ed8\u5236\u5706\u5f62\r\n\u4ece\u7ed8\u56fe\u4e2d\u6e05\u9664\u6240\u6709\u5f62\u72b6\r\n\u7528\u989c\u8272 \u7eff\u8272 \u7ed8\u5236\u4e09\u89d2\u5f62\r\n\u7528\u989c\u8272 \u7eff\u8272 \u7ed8\u5236\u5706\u5f62\r\n<\/code><\/pre>\n<h3>\u590d\u5408\u6a21\u5f0f\u8981\u70b9<\/h3>\n<ul class=\"post-ul\">\n<li>\u53ea\u6709\u5f53\u4e00\u7ec4\u5bf9\u8c61\u5e94\u8be5\u4f5c\u4e3a\u5355\u4e2a\u5bf9\u8c61\u8fd0\u884c\u65f6\uff0c\u624d\u5e94\u8be5\u5e94\u7528\u7ec4\u5408\u6a21\u5f0f\u3002<\/li>\n<li>\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u7528\u4e8e\u521b\u5efa\u6811\u72b6\u7ed3\u6784\u3002<\/li>\n<\/ul>\n<p>Java\u7684java.awt.Container#add(Component)\u662fJava\u4e2d\u7ec4\u5408\u6a21\u5f0f\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\uff0c\u5e76\u4e14\u5728Swing\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002\u4e4b\u524d\u7684\u7ed3\u6784\u8bbe\u8ba1\u6a21\u5f0f\u6587\u7ae0\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>Java\u4e2d\u7684\u6865\u63a5\u6a21\u5f0f<\/li>\n<li>Java\u4e2d\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aJava\u4e2d\u7684\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u5185\u5bb9\u7247\u6bb5: \u7ec4\u5408\u6a21\u5f0f\u662f\u7ed3\u6784\u6027\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\u3002\u5f53\u6211\u4eec [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[180,760,1227,1228,1229],"class_list":{"0":"post-374","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java","9":"tag-1227","10":"tag-1228","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>\u6df1\u5165\u89e3\u6790Java\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\uff1a\u539f\u7406\u4e0e\u5b9e\u6218\u5e94\u7528 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u89e3\u6790Java\u7ec4\u5408\u8bbe\u8ba1\u6a21\u5f0f\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u5b9e\u73b0\u539f\u7406\u4e0e\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u8be6\u7ec6\u4ee3\u7801\u793a\u4f8b\u548c\u5b9e\u6218\u6848\u4f8b\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u5982\u4f55\u4f7f\u7528\u7ec4\u5408\u6a21\u5f0f\u6784\u5efa\u7075\u6d3b\u7684\u6811\u5f62\u5bf9\u8c61\u7ed3\u6784\uff0c\u5b9e\u73b0\u90e8\u5206-\u6574\u4f53\u5c42\u6b21\u7684\u4e00\u81f4\u5904\u7406\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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