{"id":61877,"date":"2024-10-13T14:23:16","date_gmt":"2024-10-13T06:23:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61877\/"},"modified":"2024-10-13T14:23:16","modified_gmt":"2024-10-13T06:23:16","slug":"java%e7%b7%a8%e7%a8%8b%e5%af%a6%e7%8f%be%ef%bc%9a%e4%bd%bf%e7%94%a8jdbc%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e6%9c%89%e8%a1%a8%e4%bf%a1%e6%81%af-jdbc%e6%9f%a5%e8%a9%a2%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61877\/","title":{"rendered":"Java\u7de8\u7a0b\u5be6\u73fe\uff1a\u4f7f\u7528JDBC\u67e5\u8a62\u6578\u64da\u5eab\u6240\u6709\u8868\u4fe1\u606f (jdbc\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7684\u8868)"},"content":{"rendered":"

Java\u7de8\u7a0b\u5be6\u73fe\uff1a\u4f7f\u7528JDBC\u67e5\u8a62\u6578\u64da\u5eab\u6240\u6709\u8868\u4fe1\u606f<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u5176\u4e2d\uff0cJava\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684API\uff0c\u5141\u8a31\u958b\u767c\u8005\u4ee5\u6a19\u6e96\u5316\u7684\u65b9\u5f0f\u8a2a\u554f\u5404\u7a2e\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528JDBC\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f\u3002<\/p>\n

\u4ec0\u9ebc\u662fJDBC\uff1f<\/h2>\n

Java\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662f\u4e00\u500bJava API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7d44\u63a5\u53e3\u548c\u985e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u9019\u4e9b\u63a5\u53e3\u548c\u985e\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3001\u66f4\u65b0\u6578\u64da\u548c\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002JDBC\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ecMySQL\u3001PostgreSQL\u3001Oracle\u7b49\u3002<\/p>\n

\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f<\/h2>\n

\u8981\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528JDBC\u7684DatabaseMetaData\u63a5\u53e3\u3002\u9019\u500b\u63a5\u53e3\u63d0\u4f9b\u4e86\u8a31\u591a\u65b9\u6cd5\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u5143\u6578\u64da\uff0c\u5305\u62ec\u8868\u7684\u540d\u7a31\u3001\u7d50\u69cb\u7b49\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

\u6b65\u9a5f1\uff1a\u52a0\u8f09JDBC\u9a45\u52d5<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u52a0\u8f09\u76f8\u61c9\u7684JDBC\u9a45\u52d5\u3002\u4ee5MySQL\u70ba\u4f8b\uff0c\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n

Class.forName(\"com.mysql.cj.jdbc.Driver\");<\/code><\/pre>\n
\u6b65\u9a5f2\uff1a\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\uff1a<\/p>\n
Connection connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");<\/code><\/pre>\n
\u6b65\u9a5f3\uff1a\u7372\u53d6DatabaseMetaData<\/h3>\n
\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u6211\u5011\u53ef\u4ee5\u7372\u53d6DatabaseMetaData\u5c0d\u8c61\uff1a<\/p>\n
DatabaseMetaData metaData = connection.getMetaData();<\/code><\/pre>\n
\u6b65\u9a5f4\uff1a\u67e5\u8a62\u6240\u6709\u8868<\/h3>\n
\u4f7f\u7528DatabaseMetaData\u5c0d\u8c61\uff0c\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u6240\u6709\u8868\u7684\u4fe1\u606f\uff1a<\/p>\n
ResultSet tables = metaData.getTables(null, null, \"%\", new String[]{\"TABLE\"});<\/code><\/pre>\n
\u6b65\u9a5f5\uff1a\u904d\u6b77\u7d50\u679c\u96c6<\/h3>\n
\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u904d\u6b77\u7d50\u679c\u96c6\uff0c\u4e26\u6253\u5370\u51fa\u6240\u6709\u8868\u7684\u540d\u7a31\uff1a<\/p>\n
while (tables.next()) {\n    String tableName = tables.getString(\"TABLE_NAME\");\n    System.out.println(\"Table: \" + tableName);\n}<\/code><\/pre>\n
\u5b8c\u6574\u4ee3\u78bc\u793a\u4f8b<\/h2>\n
\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684Java\u4ee3\u78bc\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528JDBC\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f\uff1a<\/p>\n
import java.sql.*;\n\npublic class ListTables {\n    public static void main(String[] args) {\n        Connection connection = null;\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n            \/\/ \u7372\u53d6DatabaseMetaData\n            DatabaseMetaData metaData = connection.getMetaData();\n            \/\/ \u67e5\u8a62\u6240\u6709\u8868\n            ResultSet tables = metaData.getTables(null, null, \"%\", new String[]{\"TABLE\"});\n            \/\/ \u904d\u6b77\u7d50\u679c\u96c6\n            while (tables.next()) {\n                String tableName = tables.getString(\"TABLE_NAME\");\n                System.out.println(\"Table: \" + tableName);\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            try {\n                if (connection != null) {\n                    connection.close();\n                }\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528JDBC\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u52a0\u8f09JDBC\u9a45\u52d5\u3001\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\u3001\u7372\u53d6DatabaseMetaData\u4e26\u67e5\u8a62\u8868\u4fe1\u606f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u90fd\u662f\u975e\u5e38\u6709\u7528\u7684\u6280\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Java\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Java\u548cJDBC\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u4fe1\u606f\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6280\u5de7\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61877","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61877"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61877\/revisions"}],"predecessor-version":[{"id":61878,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61877\/revisions\/61878"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}