{"id":403,"date":"2024-01-25T01:09:27","date_gmt":"2023-12-11T18:11:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e9%80%82%e9%85%8d%e5%99%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/"},"modified":"2025-08-02T04:53:36","modified_gmt":"2025-08-01T20:53:36","slug":"java%e4%b8%ad%e7%9a%84%e9%80%82%e9%85%8d%e5%99%a8%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%e9%80%82%e9%85%8d%e5%99%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"Java\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5b9e\u73b0\u4e0e\u5e94\u7528\u6848\u4f8b"},"content":{"rendered":"

\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u662f\u7ed3\u6784\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u4e00\u79cd\uff0c\u7528\u4e8e\u4f7f\u4e24\u4e2a\u4e0d\u76f8\u5173\u7684\u63a5\u53e3\u80fd\u591f\u534f\u540c\u5de5\u4f5c\u3002\u5c06\u8fd9\u4e9b\u4e0d\u76f8\u5173\u7684\u63a5\u53e3\u8fde\u63a5\u8d77\u6765\u7684\u5bf9\u8c61\u88ab\u79f0\u4e3a\u9002\u914d\u5668\u3002<\/p>\n

\u9002\u914d\u5668\u6a21\u5f0f<\/h2>\n

\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u73b0\u5b9e\u793a\u4f8b\u662f\u624b\u673a\u5145\u7535\u5668\u3002\u79fb\u52a8\u7535\u6c60\u9700\u89813\u4f0f\u7279\u6765\u5145\u7535\uff0c\u4f46\u5e38\u89c4\u63d2\u5ea7\u63d0\u4f9b\u7684\u662f120V\uff08\u7f8e\u56fd\uff09\u6216240V\uff08\u5370\u5ea6\uff09\u3002\u56e0\u6b64\uff0c\u624b\u673a\u5145\u7535\u5668\u5145\u5f53\u79fb\u52a8\u5145\u7535\u63d2\u5ea7\u548c\u5899\u63d2\u4e4b\u95f4\u7684\u9002\u914d\u5668\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u4f7f\u7528\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u5b9e\u73b0\u591a\u9002\u914d\u5668\u3002\u56e0\u6b64\uff0c\u9996\u5148\u6211\u4eec\u5c06\u6709\u4e24\u4e2a\u7c7b-\u4f0f\u7279\uff08Volt\uff0c\u7528\u4e8e\u6d4b\u91cf\u4f0f\u7279\uff09\u548c\u63d2\u5ea7\uff08Socket\uff0c\u4ea7\u751f\u6052\u5b9a\u7684120V\u4f0f\u7279\uff09\u3002<\/p>\n

package com.Olivia.design.adapter;\r\n\r\n\/\/ \u4f0f\u7279\u7c7b\uff0c\u7528\u4e8e\u6d4b\u91cf\u7535\u538b\r\npublic class Volt {\r\n\r\n\tprivate int volts;\r\n\t\r\n\tpublic Volt(int v){\r\n\t\tthis.volts=v;\r\n\t}\r\n\r\n\tpublic int getVolts() {\r\n\t\treturn volts;\r\n\t}\r\n\r\n\tpublic void setVolts(int volts) {\r\n\t\tthis.volts = volts;\r\n\t}\r\n\t\r\n}\r\n<\/code><\/pre>\n
package com.Olivia.design.adapter;\r\n\r\n\/\/ \u63d2\u5ea7\u7c7b\uff0c\u4ea7\u751f\u6052\u5b9a\u7684120V\u7535\u538b\r\npublic class Socket {\r\n\r\n\tpublic Volt getVolt(){\r\n\t\treturn new Volt(120);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
\u73b0\u5728\u6211\u4eec\u60f3\u8981\u6784\u5efa\u4e00\u4e2a\u9002\u914d\u5668\uff0c\u53ef\u4ee5\u4ea7\u751f3\u4f0f\u7279\u300112\u4f0f\u7279\u548c\u9ed8\u8ba4\u7684120\u4f0f\u7279\u3002\u6240\u4ee5\u9996\u5148\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u8fd9\u4e9b\u65b9\u6cd5\u7684\u9002\u914d\u5668\u63a5\u53e3\u3002<\/p>\n
package com.Olivia.design.adapter;\r\n\r\n\/\/ \u63d2\u5ea7\u9002\u914d\u5668\u63a5\u53e3\r\npublic interface SocketAdapter {\r\n\r\n\tpublic Volt get120Volt();\r\n\t\t\r\n\tpublic Volt get12Volt();\r\n\t\r\n\tpublic Volt get3Volt();\r\n}\r\n<\/code><\/pre>\n
\u53cc\u5411\u9002\u914d\u5668\u6a21\u5f0f<\/h3>\n
\u5728\u5b9e\u65bd\u9002\u914d\u5668\u6a21\u5f0f\u65f6\uff0c\u6709\u4e24\u79cd\u65b9\u6cd5 – \u7c7b\u9002\u914d\u5668\u548c\u5bf9\u8c61\u9002\u914d\u5668 – \u7136\u800c\uff0c\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u4f1a\u4ea7\u751f\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
    \n
  1. \u7c7b\u9002\u914d\u5668- \u8fd9\u79cd\u5f62\u5f0f\u4f7f\u7528Java\u7ee7\u627f\u5e76\u6269\u5c55\u6e90\u63a5\u53e3\uff0c\u5bf9\u4e8e\u6211\u4eec\u6765\u8bf4\u662fSocket\u7c7b\u3002<\/li>\n
  2. \u5bf9\u8c61\u9002\u914d\u5668- \u8fd9\u79cd\u5f62\u5f0f\u4f7f\u7528Java\u7ec4\u5408\uff0c\u9002\u914d\u5668\u5305\u542b\u6e90\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n
    \u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f – \u7c7b\u9002\u914d\u5668<\/h3>\n
    \u8fd9\u662f\u6211\u4eec\u9002\u914d\u5668\u7684\u7c7b\u9002\u914d\u5668\u65b9\u6cd5\u5b9e\u73b0\u3002<\/p>\n
    package com.Olivia.design.adapter;\r\n\r\n\/\/ \u4f7f\u7528\u7ee7\u627f\u5b9e\u73b0\u9002\u914d\u5668\u6a21\u5f0f\r\npublic class SocketClassAdapterImpl extends Socket implements SocketAdapter{\r\n\r\n\t@Override\r\n\tpublic Volt get120Volt() {\r\n\t\treturn getVolt();\r\n\t}\r\n\r\n\t@Override\r\n\tpublic Volt get12Volt() {\r\n\t\tVolt v= getVolt();\r\n\t\treturn convertVolt(v,10);\r\n\t}\r\n\r\n\t@Override\r\n\tpublic Volt get3Volt() {\r\n\t\tVolt v= getVolt();\r\n\t\treturn convertVolt(v,40);\r\n\t}\r\n\t\r\n\tprivate Volt convertVolt(Volt v, int i) {\r\n\t\treturn new Volt(v.getVolts()\/i);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
    \u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f – \u5bf9\u8c61\u9002\u914d\u5668\u5b9e\u73b0<\/h3>\n
    \u8fd9\u662f\u6211\u4eec\u9002\u914d\u5668\u7684\u5bf9\u8c61\u9002\u914d\u5668\u5b9e\u73b0\u3002<\/p>\n
    package com.Olivia.design.adapter;\r\n\r\n\/\/ \u4f7f\u7528\u7ec4\u5408\u5b9e\u73b0\u9002\u914d\u5668\u6a21\u5f0f\r\npublic class SocketObjectAdapterImpl implements SocketAdapter{\r\n\r\n\t\/\/ \u4f7f\u7528\u7ec4\u5408\u65b9\u5f0f\u5b9e\u73b0\u9002\u914d\u5668\u6a21\u5f0f\r\n\tprivate Socket sock = new Socket();\r\n\t\r\n\t@Override\r\n\tpublic Volt get120Volt() {\r\n\t\treturn sock.getVolt();\r\n\t}\r\n\r\n\t@Override\r\n\tpublic Volt get12Volt() {\r\n\t\tVolt v= sock.getVolt();\r\n\t\treturn convertVolt(v,10);\r\n\t}\r\n\r\n\t@Override\r\n\tpublic Volt get3Volt() {\r\n\t\tVolt v= sock.getVolt();\r\n\t\treturn convertVolt(v,40);\r\n\t}\r\n\t\r\n\tprivate Volt convertVolt(Volt v, int i) {\r\n\t\treturn new Volt(v.getVolts()\/i);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
    \u8bf7\u6ce8\u610f\uff0c\u4e24\u79cd\u9002\u914d\u5668\u5b9e\u73b0\u51e0\u4e4e\u76f8\u540c\uff0c\u5e76\u4e14\u5b83\u4eec\u90fd\u5b9e\u73b0\u4e86SocketAdapter\u63a5\u53e3\u3002\u9002\u914d\u5668\u63a5\u53e3\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u7528\u4e8e\u4f7f\u7528\u6211\u4eec\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u5b9e\u73b0\u3002<\/p>\n
    package com.Olivia.design.test;\r\n\r\nimport com.Olivia.design.adapter.SocketAdapter;\r\nimport com.Olivia.design.adapter.SocketClassAdapterImpl;\r\nimport com.Olivia.design.adapter.SocketObjectAdapterImpl;\r\nimport com.Olivia.design.adapter.Volt;\r\n\r\n\/\/ \u9002\u914d\u5668\u6a21\u5f0f\u6d4b\u8bd5\u7c7b\r\npublic class AdapterPatternTest {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\r\n\t\ttestClassAdapter();\r\n\t\ttestObjectAdapter();\r\n\t}\r\n\r\n\tprivate static void testObjectAdapter() {\r\n\t\tSocketAdapter sockAdapter = new SocketObjectAdapterImpl();\r\n\t\tVolt v3 = getVolt(sockAdapter,3);\r\n\t\tVolt v12 = getVolt(sockAdapter,12);\r\n\t\tVolt v120 = getVolt(sockAdapter,120);\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d63\u4f0f\u7279=\"+v3.getVolts());\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d612\u4f0f\u7279=\"+v12.getVolts());\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d6120\u4f0f\u7279=\"+v120.getVolts());\r\n\t}\r\n\r\n\tprivate static void testClassAdapter() {\r\n\t\tSocketAdapter sockAdapter = new SocketClassAdapterImpl();\r\n\t\tVolt v3 = getVolt(sockAdapter,3);\r\n\t\tVolt v12 = getVolt(sockAdapter,12);\r\n\t\tVolt v120 = getVolt(sockAdapter,120);\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d63\u4f0f\u7279=\"+v3.getVolts());\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d612\u4f0f\u7279=\"+v12.getVolts());\r\n\t\tSystem.out.println(\"\u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d6120\u4f0f\u7279=\"+v120.getVolts());\r\n\t}\r\n\t\r\n\tprivate static Volt getVolt(SocketAdapter sockAdapter, int i) {\r\n\t\tswitch (i){\r\n\t\tcase 3: return sockAdapter.get3Volt();\r\n\t\tcase 12: return sockAdapter.get12Volt();\r\n\t\tcase 120: return sockAdapter.get120Volt();\r\n\t\tdefault: return sockAdapter.get120Volt();\r\n\t\t}\r\n\t}\r\n}\r\n<\/code><\/pre>\n
    \u5f53\u6211\u4eec\u8fd0\u884c\u4ee5\u4e0a\u6d4b\u8bd5\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
    \u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d63\u4f0f\u7279=3\r\n\u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d612\u4f0f\u7279=12\r\n\u4f7f\u7528\u7c7b\u9002\u914d\u5668\u83b7\u53d6120\u4f0f\u7279=120\r\n\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d63\u4f0f\u7279=3\r\n\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d612\u4f0f\u7279=12\r\n\u4f7f\u7528\u5bf9\u8c61\u9002\u914d\u5668\u83b7\u53d6120\u4f0f\u7279=120\r\n<\/code><\/pre>\n
    \u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7c7b\u56fe<\/h3>\n<\/p>\n
    \u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u5728JDK\u4e2d\u7684\u793a\u4f8b<\/h3>\n
    \u5728JDK\u7c7b\u4e2d\uff0c\u6211\u80fd\u8f7b\u677e\u627e\u5230\u4e00\u4e9b\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4f8b\u5b50\u3002<\/p>\n
      \n
    • java.util.Arrays#asList()\uff08\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868\uff09<\/li>\n
    • java.io.InputStreamReader(InputStream)\uff08\u8fd4\u56de\u4e00\u4e2aReader\u5bf9\u8c61\uff09<\/li>\n
    • java.io.OutputStreamWriter(OutputStream)\uff08\u8fd4\u56de\u4e00\u4e2aWriter\u5bf9\u8c61\uff09<\/li>\n<\/ul>\n
      \u8fd9\u5c31\u662f\u5173\u4e8eJava\u4e2d\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5168\u90e8\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u662f\u7ed3\u6784\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u4e00\u79cd\uff0c\u7528\u4e8e\u4f7f\u4e24\u4e2a\u4e0d\u76f8\u5173\u7684\u63a5\u53e3\u80fd\u591f\u534f\u540c\u5de5\u4f5c\u3002\u5c06\u8fd9\u4e9b\u4e0d\u76f8\u5173\u7684\u63a5\u53e3\u8fde\u63a5\u8d77\u6765\u7684\u5bf9\u8c61\u88ab\u79f0 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[189,1295,720,1294,722],"class_list":["post-403","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-1295","tag-720","tag-1294","tag-722"],"yoast_head":"\nJava\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5b9e\u73b0\u4e0e\u5e94\u7528\u6848\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5168\u9762\u89e3\u6790Java\u4e2d\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u6df1\u5165\u63a2\u8ba8\u5176\u5de5\u4f5c\u539f\u7406\u3001\u5b9e\u73b0\u65b9\u5f0f\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u8be6\u7ec6\u4ee3\u7801\u793a\u4f8b\u548c\u6848\u4f8b\u5206\u6790\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1\u8fd9\u4e00\u91cd\u8981\u7684\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u63d0\u5347\u4ee3\u7801\u590d\u7528\u6027\u548c\u7cfb\u7edf\u7075\u6d3b\u6027\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5b9e\u73b0\u4e0e\u5e94\u7528\u6848\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u5168\u9762\u89e3\u6790Java\u4e2d\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u6df1\u5165\u63a2\u8ba8\u5176\u5de5\u4f5c\u539f\u7406\u3001\u5b9e\u73b0\u65b9\u5f0f\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u8be6\u7ec6\u4ee3\u7801\u793a\u4f8b\u548c\u6848\u4f8b\u5206\u6790\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1\u8fd9\u4e00\u91cd\u8981\u7684\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u63d0\u5347\u4ee3\u7801\u590d\u7528\u6027\u548c\u7cfb\u7edf\u7075\u6d3b\u6027\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u9002\u914d\u5668\u8bbe\u8ba1\u6a21\u5f0f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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