{"id":162463,"date":"2024-11-04T15:18:25","date_gmt":"2024-11-04T07:18:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162463\/"},"modified":"2024-11-04T15:18:26","modified_gmt":"2024-11-04T07:18:26","slug":"%e7%b0%a1%e5%96%ae%e6%98%93%e5%ad%b8%ef%bc%9a%e4%bd%bf%e7%94%a8-jdbc-%e6%b8%ac%e8%a9%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%ad%a5%e9%a9%9f-%e7%94%a8-jdbc-%e6%b8%ac%e8%a9%a6%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162463\/","title":{"rendered":"\u7c21\u55ae\u6613\u5b78\uff1a\u4f7f\u7528 JDBC \u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5\u6b65\u9a5f (\u7528 jdbc \u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"<h1 id=\"%e7%b0%a1%e5%96%ae%e6%98%93%e5%ad%b8%ef%bc%9a%e4%bd%bf%e7%94%a8-jdbc-%e6%b8%ac%e8%a9%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%ad%a5%e9%a9%9f-vGxlZboYMD\">\u7c21\u55ae\u6613\u5b78\uff1a\u4f7f\u7528 JDBC \u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5\u6b65\u9a5f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002Java Database Connectivity\uff08JDBC\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528JDBC\u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-jdbc%ef%bc%9f-vGxlZboYMD\">\u4ec0\u9ebc\u662f JDBC\uff1f<\/h2>\n<p>JDBC\u662f\u4e00\u500bJava API\uff0c\u63d0\u4f9b\u4e86\u4e00\u7d44\u6a19\u6e96\u7684\u63a5\u53e3\uff0c\u8b93Java\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u8207\u6578\u64da\u5eab\u9032\u884c\u9023\u63a5\u548c\u64cd\u4f5c\u3002\u901a\u904eJDBC\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3001\u66f4\u65b0\u6578\u64da\u3001\u7372\u53d6\u7d50\u679c\u96c6\u7b49\u64cd\u4f5c\u3002JDBC\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ecMySQL\u3001PostgreSQL\u3001Oracle\u7b49\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-vGxlZboYMD\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5b89\u88ddJava\u958b\u767c\u5de5\u5177\u5305\uff08JDK\uff09\u3002<\/li>\n<li>\u4e0b\u8f09\u4e26\u5b89\u88dd\u6240\u9700\u7684\u6578\u64da\u5eab\uff08\u4f8b\u5982MySQL\uff09\u3002<\/li>\n<li>\u7372\u53d6\u76f8\u61c9\u7684JDBC\u9a45\u52d5\u7a0b\u5e8f\uff0c\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u60a8\u7684\u9805\u76ee\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%b0%8e%e5%85%a5-jdbc-%e9%a9%85%e5%8b%95-vGxlZboYMD\">\u6b65\u9a5f\u4e00\uff1a\u5c0e\u5165 JDBC \u9a45\u52d5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728Java\u9805\u76ee\u4e2d\u5c0e\u5165JDBC\u9a45\u52d5\u3002\u4ee5\u4e0b\u662f\u5c0e\u5165MySQL JDBC\u9a45\u52d5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-vGxlZboYMD\">\u6b65\u9a5f\u4e8c\uff1a\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u4f7f\u7528DriverManager\u4f86\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u5efa\u7acb\u9023\u63a5\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\nString user = \"your_username\";\nString password = \"your_password\";\n\ntry {\n    Connection connection = DriverManager.getConnection(url, user, password);\n    System.out.println(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n} catch (SQLException e) {\n    System.out.println(\"\u9023\u63a5\u5931\u6557\uff1a\" + e.getMessage());\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db\u6578\u64da\u5eab\u7684URL\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%9f%b7%e8%a1%8c-sql-%e6%9f%a5%e8%a9%a2-vGxlZboYMD\">\u6b65\u9a5f\u4e09\uff1a\u57f7\u884c SQL \u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>String query = \"SELECT * FROM your_table\";\ntry (Statement statement = connection.createStatement();\n     ResultSet resultSet = statement.executeQuery(query)) {\n    \n    while (resultSet.next()) {\n        System.out.println(\"\u6578\u64da\u884c\uff1a\" + resultSet.getString(\"column_name\"));\n    }\n} catch (SQLException e) {\n    System.out.println(\"\u67e5\u8a62\u5931\u6557\uff1a\" + e.getMessage());\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u66ff\u63db\u67e5\u8a62\u8a9e\u53e5\u548c\u5217\u540d\uff0c\u4ee5\u7b26\u5408\u60a8\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-vGxlZboYMD\">\u6b65\u9a5f\u56db\uff1a\u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u6700\u5f8c\uff0c\u8a18\u5f97\u5728\u5b8c\u6210\u64cd\u4f5c\u5f8c\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n<pre><code>try {\n    if (connection != null &amp;&amp; !connection.isClosed()) {\n        connection.close();\n        System.out.println(\"\u6578\u64da\u5eab\u9023\u63a5\u5df2\u95dc\u9589\u3002\");\n    }\n} catch (SQLException e) {\n    System.out.println(\"\u95dc\u9589\u9023\u63a5\u5931\u6557\uff1a\" + e.getMessage());\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vGxlZboYMD\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528JDBC\u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u4e26\u57f7\u884c\u67e5\u8a62\u3002\u7121\u8ad6\u60a8\u662f\u958b\u767c\u65b0\u61c9\u7528\u9084\u662f\u7dad\u8b77\u73fe\u6709\u7cfb\u7d71\uff0c\u638c\u63e1JDBC\u7684\u4f7f\u7528\u90fd\u662f\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 JDBC \u6e2c\u8a66\u6578\u64da\u5eab\u9023\u63a5\u7684\u7c21\u55ae\u6b65\u9a5f\uff0c\u8f15\u9b06\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u790e\u77e5\u8b58\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-162463","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162463","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=162463"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162463\/revisions"}],"predecessor-version":[{"id":162464,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162463\/revisions\/162464"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}