{"id":381,"date":"2022-11-13T13:37:37","date_gmt":"2024-02-23T19:12:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e5%a4%96%e8%a7%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/"},"modified":"2025-08-02T03:10:48","modified_gmt":"2025-08-01T19:10:48","slug":"java%e4%b8%ad%e7%9a%84%e5%a4%96%e8%a7%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%e5%a4%96%e8%a7%82%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"Java\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u4f8b\u6559\u7a0b"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aJava\u4e2d\u7684\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u662f\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\uff08\u5982\u9002\u914d\u5668\u6a21\u5f0f\u548c\u88c5\u9970\u8005\u6a21\u5f0f\uff09\u3002\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u7528\u4e8e\u5e2e\u52a9\u5ba2\u6237\u7aef\u5e94\u7528\u4e0e\u7cfb\u7edf\u8f7b\u677e\u4ea4\u4e92\u3002<\/p>\n<h2>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n<p>\u6839\u636eGoF\u7684\u5b9a\u4e49\uff0c\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u662f\uff1a<\/p>\n<blockquote><p>\u5728\u5b50\u7cfb\u7edf\u4e2d\u63d0\u4f9b\u4e00\u7ec4\u63a5\u53e3\u7684\u7edf\u4e00\u754c\u9762\u3002\u5916\u89c2\u6a21\u5f0f\u5b9a\u4e49\u4e86\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u522b\u7684\u63a5\u53e3\uff0c\u4f7f\u5b50\u7cfb\u7edf\u66f4\u5bb9\u6613\u4f7f\u7528\u3002<\/p><\/blockquote>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\uff0c\u5177\u6709\u4e00\u7ec4\u4e0eMySQL\/Oracle\u6570\u636e\u5e93\u4ea4\u4e92\u5e76\u751f\u6210\u4e0d\u540c\u7c7b\u578b\u62a5\u544a\uff08\u5982HTML\u62a5\u544a\u3001PDF\u62a5\u544a\u7b49\uff09\u7684\u63a5\u53e3\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u6709\u4e00\u7ec4\u4e0d\u540c\u7684\u63a5\u53e3\u7528\u4e8e\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u5e93\u3002\u73b0\u5728\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u63a5\u53e3\u6765\u83b7\u53d6\u6240\u9700\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5e76\u751f\u6210\u62a5\u544a\u3002\u4f46\u662f\uff0c\u5f53\u590d\u6742\u6027\u589e\u52a0\u6216\u63a5\u53e3\u884c\u4e3a\u540d\u79f0\u4e0d\u6e05\u65f6\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4f1a\u53d1\u73b0\u5f88\u96be\u7ba1\u7406\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u5e94\u7528\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5e76\u5728\u73b0\u6709\u63a5\u53e3\u4e4b\u4e0a\u63d0\u4f9b\u4e00\u4e2a\u5305\u88c5\u63a5\u53e3\u6765\u5e2e\u52a9\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h3>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f &#8211; \u63a5\u53e3\u96c6\u5408<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u6709\u4e24\u4e2a\u5e2e\u52a9\u63a5\u53e3\uff0c\u5206\u522b\u4e3aMySqlHelper\u548cOracleHelper\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.facade;\r\n\r\nimport java.sql.Connection;\r\n\r\npublic class MySqlHelper {\r\n\t\r\n\tpublic static Connection getMySqlDBConnection(){\r\n\t\t\/\/\u4f7f\u7528\u8fde\u63a5\u53c2\u6570\u83b7\u53d6MySQL\u6570\u636e\u5e93\u8fde\u63a5\r\n\t\treturn null;\r\n\t}\r\n\t\r\n\tpublic void generateMySqlPDFReport(String tableName, Connection con){\r\n\t\t\/\/\u4ece\u8868\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u751f\u6210PDF\u62a5\u544a\r\n\t}\r\n\t\r\n\tpublic void generateMySqlHTMLReport(String tableName, Connection con){\r\n\t\t\/\/\u4ece\u8868\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u751f\u6210HTML\u62a5\u544a\r\n\t}\r\n}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>package com.Olivia.design.facade;\r\n\r\nimport java.sql.Connection;\r\n\r\npublic class OracleHelper {\r\n\r\n\tpublic static Connection getOracleDBConnection(){\r\n\t\t\/\/\u4f7f\u7528\u8fde\u63a5\u53c2\u6570\u83b7\u53d6Oracle\u6570\u636e\u5e93\u8fde\u63a5\r\n\t\treturn null;\r\n\t}\r\n\t\r\n\tpublic void generateOraclePDFReport(String tableName, Connection con){\r\n\t\t\/\/\u4ece\u8868\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u751f\u6210PDF\u62a5\u544a\r\n\t}\r\n\t\r\n\tpublic void generateOracleHTMLReport(String tableName, Connection con){\r\n\t\t\/\/\u4ece\u8868\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u751f\u6210HTML\u62a5\u544a\r\n\t}\r\n\t\r\n}\r\n<\/code><\/pre>\n<h3>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u63a5\u53e3<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5982\u4e0b\u6240\u793a\u7684Facade\u6a21\u5f0f\u63a5\u53e3\u3002\u8bf7\u6ce8\u610f\u4f7f\u7528Java\u679a\u4e3e\u6765\u786e\u4fdd\u7c7b\u578b\u7684\u5b89\u5168\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.facade;\r\n\r\nimport java.sql.Connection;\r\n\r\npublic class HelperFacade {\r\n\r\n\tpublic static void generateReport(DBTypes dbType, ReportTypes reportType, String tableName){\r\n\t\tConnection con = null;\r\n\t\tswitch (dbType){\r\n\t\tcase MYSQL: \r\n\t\t\tcon = MySqlHelper.getMySqlDBConnection();\r\n\t\t\tMySqlHelper mySqlHelper = new MySqlHelper();\r\n\t\t\tswitch(reportType){\r\n\t\t\tcase HTML:\r\n\t\t\t\tmySqlHelper.generateMySqlHTMLReport(tableName, con);\r\n\t\t\t\tbreak;\r\n\t\t\tcase PDF:\r\n\t\t\t\tmySqlHelper.generateMySqlPDFReport(tableName, con);\r\n\t\t\t\tbreak;\r\n\t\t\t}\r\n\t\t\tbreak;\r\n\t\tcase ORACLE: \r\n\t\t\tcon = OracleHelper.getOracleDBConnection();\r\n\t\t\tOracleHelper oracleHelper = new OracleHelper();\r\n\t\t\tswitch(reportType){\r\n\t\t\tcase HTML:\r\n\t\t\t\toracleHelper.generateOracleHTMLReport(tableName, con);\r\n\t\t\t\tbreak;\r\n\t\t\tcase PDF:\r\n\t\t\t\toracleHelper.generateOraclePDFReport(tableName, con);\r\n\t\t\t\tbreak;\r\n\t\t\t}\r\n\t\t\tbreak;\r\n\t\t}\r\n\t\t\r\n\t}\r\n\t\r\n\tpublic static enum DBTypes{\r\n\t\tMYSQL,ORACLE;\r\n\t}\r\n\t\r\n\tpublic static enum ReportTypes{\r\n\t\tHTML,PDF;\r\n\t}\r\n}\r\n<\/code><\/pre>\n<h3>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u5ba2\u6237\u7aef\u7a0b\u5e8f<\/h3>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u770b\u4e0d\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u7684\u5ba2\u6237\u7aef\u4ee3\u7801\u548c\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u63a5\u53e3\u7684\u5ba2\u6237\u7aef\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design.test;\r\n\r\nimport java.sql.Connection;\r\n\r\nimport com.Olivia.design.facade.HelperFacade;\r\nimport com.Olivia.design.facade.MySqlHelper;\r\nimport com.Olivia.design.facade.OracleHelper;\r\n\r\npublic class FacadePatternTest {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tString tableName=\"Employee\";\r\n\t\t\r\n\t\t\/\/\u4e0d\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u751f\u6210MySQL HTML\u62a5\u544a\u548cOracle PDF\u62a5\u544a\r\n\t\tConnection con = MySqlHelper.getMySqlDBConnection();\r\n\t\tMySqlHelper mySqlHelper = new MySqlHelper();\r\n\t\tmySqlHelper.generateMySqlHTMLReport(tableName, con);\r\n\t\t\r\n\t\tConnection con1 = OracleHelper.getOracleDBConnection();\r\n\t\tOracleHelper oracleHelper = new OracleHelper();\r\n\t\toracleHelper.generateOraclePDFReport(tableName, con1);\r\n\t\t\r\n\t\t\/\/\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u751f\u6210MySQL HTML\u62a5\u544a\u548cOracle PDF\u62a5\u544a\r\n\t\tHelperFacade.generateReport(HelperFacade.DBTypes.MYSQL, HelperFacade.ReportTypes.HTML, tableName);\r\n\t\tHelperFacade.generateReport(HelperFacade.DBTypes.ORACLE, HelperFacade.ReportTypes.PDF, tableName);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u63a5\u53e3\u662f\u907f\u514d\u5728\u5ba2\u6237\u7aef\u4e0a\u62e5\u6709\u5927\u91cf\u903b\u8f91\u7684\u4e00\u79cd\u66f4\u5bb9\u6613\u3001\u66f4\u6e05\u6670\u7684\u65b9\u5f0f\u3002\u4f7f\u7528JDBC\u9a71\u52a8\u7a0b\u5e8f\u7ba1\u7406\u7c7b\u6765\u83b7\u53d6\u6570\u636e\u5e93\u8fde\u63a5\u662f\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u3002<\/p>\n<h3>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u7684\u91cd\u8981\u8981\u70b9<\/h3>\n<ul class=\"post-ul\">\n<li>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u66f4\u50cf\u662f\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u7684\u52a9\u624b\uff0c\u5b83\u4e0d\u4f1a\u5411\u5ba2\u6237\u7aef\u9690\u85cf\u5b50\u7cfb\u7edf\u63a5\u53e3\u3002\u662f\u5426\u4f7f\u7528\u5916\u89c2\u6a21\u5f0f\u5b8c\u5168\u53d6\u51b3\u4e8e\u5ba2\u6237\u7aef\u4ee3\u7801\u3002<\/li>\n<li>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u5728\u5f00\u53d1\u7684\u4efb\u4f55\u9636\u6bb5\u5e94\u7528\uff0c\u901a\u5e38\u5f53\u63a5\u53e3\u6570\u91cf\u589e\u52a0\u4e14\u7cfb\u7edf\u53d8\u5f97\u590d\u6742\u65f6\u4f7f\u7528\u3002<\/li>\n<li>\u5b50\u7cfb\u7edf\u63a5\u53e3\u4e0d\u77e5\u9053\u5916\u89c2\u7684\u5b58\u5728\uff0c\u5b83\u4eec\u4e0d\u5e94\u8be5\u6709\u4efb\u4f55\u5bf9\u5916\u89c2\u63a5\u53e3\u7684\u5f15\u7528\u3002<\/li>\n<li>\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u8be5\u5e94\u7528\u4e8e\u7c7b\u4f3c\u7c7b\u578b\u7684\u63a5\u53e3\uff0c\u5176\u76ee\u7684\u662f\u63d0\u4f9b\u5355\u4e00\u63a5\u53e3\u800c\u4e0d\u662f\u591a\u4e2a\u6267\u884c\u7c7b\u4f3c\u5de5\u4f5c\u7684\u63a5\u53e3\u3002<\/li>\n<li>\u6211\u4eec\u53ef\u4ee5\u5c06\u5de5\u5382\u6a21\u5f0f\u4e0e\u5916\u89c2\u6a21\u5f0f\u7ed3\u5408\u4f7f\u7528\uff0c\u4e3a\u5ba2\u6237\u7aef\u7cfb\u7edf\u63d0\u4f9b\u66f4\u597d\u7684\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<p>\u5173\u4e8e\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5185\u5bb9\u5c31\u5230\u8fd9\u91cc\u4e86\uff0c\u8bf7\u7ee7\u7eed\u5173\u6ce8\u66f4\u591a\u8bbe\u8ba1\u6a21\u5f0f\u6587\u7ae0\u5427\uff01:)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aJava\u4e2d\u7684\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u662f\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\uff08\u5982\u9002\u914d\u5668\u6a21\u5f0f\u548c [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1246,180,760,1245,1228],"class_list":{"0":"post-381","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-facade-pattern","8":"tag-java","10":"tag-1245","11":"tag-1228"},"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\u5916\u89c2\u8bbe\u8ba1\u6a21\u5f0f\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u4f8b\u6559\u7a0b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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