{"id":62139,"date":"2024-10-13T16:31:15","date_gmt":"2024-10-13T08:31:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62139\/"},"modified":"2024-10-13T16:31:16","modified_gmt":"2024-10-13T08:31:16","slug":"jdbc%e9%80%a3%e6%8e%a5db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62139\/","title":{"rendered":"JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6280\u5de7\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<h1 id=\"jdbc%e9%80%a3%e6%8e%a5db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7-yGHRUWOlri\">JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6280\u5de7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002DB2\u4f5c\u70baIBM\u7684\u4e00\u6b3e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002Java\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684API\uff0c\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6280\u5de7\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-yGHRUWOlri\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>DB2\u6578\u64da\u5eab<\/li>\n<li>DB2 JDBC\u9a45\u52d5\u7a0b\u5e8f<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u5f9eIBM\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09DB2 JDBC\u9a45\u52d5\u7a0b\u5e8f\uff0c\u901a\u5e38\u662f\u4ee5JAR\u6587\u4ef6\u7684\u5f62\u5f0f\u63d0\u4f9b\u3002<\/p>\n<h2 id=\"2-%e6%b7%bb%e5%8a%a0jdbc%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-yGHRUWOlri\">2. \u6dfb\u52a0JDBC\u9a45\u52d5\u7a0b\u5e8f<\/h2>\n<p>\u5728\u60a8\u7684Java\u9805\u76ee\u4e2d\uff0c\u60a8\u9700\u8981\u5c07DB2 JDBC\u9a45\u52d5\u7a0b\u5e8f\u6dfb\u52a0\u5230\u985e\u8def\u5f91\u4e2d\u3002\u5047\u8a2d\u60a8\u4f7f\u7528\u7684\u662fMaven\uff0c\u53ef\u4ee5\u5728pom.xml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8cf4\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;com.ibm.db2&lt;\/groupId&gt;\n    &lt;artifactId&gt;jcc&lt;\/artifactId&gt;\n    &lt;version&gt;11.5.0&lt;\/version&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h2 id=\"3-%e5%bb%ba%e7%ab%8b%e9%80%a3%e6%8e%a5-yGHRUWOlri\">3. \u5efa\u7acb\u9023\u63a5<\/h2>\n<p>\u4f7f\u7528JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DB2Connection {\n    public static void main(String[] args) {\n        String url = \"jdbc:db2:\/\/localhost:50000\/YOUR_DB_NAME\";\n        String user = \"YOUR_USERNAME\";\n        String password = \"YOUR_PASSWORD\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            System.out.println(\"\u6210\u529f\u9023\u63a5\u5230DB2\u6578\u64da\u5eab\uff01\");\n            \/\/ \u5728\u9019\u88e1\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u8acb\u5c07<code>YOUR_DB_NAME<\/code>\u3001<code>YOUR_USERNAME<\/code>\u548c<code>YOUR_PASSWORD<\/code>\u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n<h2 id=\"4-%e8%99%95%e7%90%86sql%e7%95%b0%e5%b8%b8-yGHRUWOlri\">4. \u8655\u7406SQL\u7570\u5e38<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u8655\u7406SQL\u7570\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u548c\u8655\u7406SQLException\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\ntry {\n    \/\/ \u6578\u64da\u5eab\u64cd\u4f5c\n} catch (SQLException e) {\n    System.err.println(\"SQL\u932f\u8aa4\u78bc: \" + e.getErrorCode());\n    System.err.println(\"\u932f\u8aa4\u4fe1\u606f: \" + e.getMessage());\n}\n<\/code><\/pre>\n<h2 id=\"5-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-yGHRUWOlri\">5. \u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5728\u5b8c\u6210\u6578\u64da\u5eab\u64cd\u4f5c\u5f8c\uff0c\u52d9\u5fc5\u95dc\u9589\u9023\u63a5\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n<pre><code>\ntry {\n    if (connection != null) {\n        connection.close();\n        System.out.println(\"\u6578\u64da\u5eab\u9023\u63a5\u5df2\u95dc\u9589\u3002\");\n    }\n} catch (SQLException e) {\n    e.printStackTrace();\n}\n<\/code><\/pre>\n<h2 id=\"6-%e4%bd%bf%e7%94%a8preparedstatement-yGHRUWOlri\">6. \u4f7f\u7528PreparedStatement<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0c\u5efa\u8b70\u4f7f\u7528<code>PreparedStatement<\/code>\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/p>\n<pre><code>\nString sql = \"SELECT * FROM YOUR_TABLE WHERE column1 = ?\";\nPreparedStatement preparedStatement = connection.prepareStatement(sql);\npreparedStatement.setString(1, \"value\");\nResultSet resultSet = preparedStatement.executeQuery();\n<\/code><\/pre>\n<h2 id=\"7-%e7%b8%bd%e7%b5%90-yGHRUWOlri\">7. \u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6210\u529f\u5730\u4f7f\u7528JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u4e26\u9032\u884c\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/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 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22JDBC\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6280\u5de7\uff0c\u5305\u62ec\u914d\u7f6e\u3001\u9a45\u52d5\u9078\u64c7\u53ca\u5e38\u898b\u554f\u984c\u89e3\u6c7a\u65b9\u6848\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-62139","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62139","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=62139"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62139\/revisions"}],"predecessor-version":[{"id":62140,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62139\/revisions\/62140"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}