{"id":61831,"date":"2024-10-13T14:03:17","date_gmt":"2024-10-13T06:03:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61831\/"},"modified":"2024-10-13T14:03:17","modified_gmt":"2024-10-13T06:03:17","slug":"java-db2%e8%ae%80%e5%8f%96xml%e4%bb%a3%e7%a2%bc%e7%9a%84%e6%ad%a3%e7%a2%ba%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61831\/","title":{"rendered":"java DB2\u8b80\u53d6XML\u4ee3\u78bc\u7684\u6b63\u78ba\u64cd\u4f5c\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"java-db2%e8%ae%80%e5%8f%96xml%e4%bb%a3%e7%a2%bc%e7%9a%84%e6%ad%a3%e7%a2%ba%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-WdXFVjOXEN\">Java DB2\u8b80\u53d6XML\u4ee3\u78bc\u7684\u6b63\u78ba\u64cd\u4f5c\u6b65\u9a5f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cXML\uff08\u53ef\u64f4\u5c55\u6a19\u8a18\u8a9e\u8a00\uff09\u5df2\u6210\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u6578\u64da\u683c\u5f0f\u3002\u8a31\u591a\u4f01\u696d\u9078\u64c7\u4f7f\u7528DB2\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u5176\u6578\u64da\uff0c\u800cJava\u5247\u662f\u8207DB2\u9032\u884c\u4ea4\u4e92\u7684\u5e38\u7528\u7de8\u7a0b\u8a9e\u8a00\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Java\u4e2d\u6b63\u78ba\u5730\u5f9eDB2\u6578\u64da\u5eab\u8b80\u53d6XML\u6578\u64da\u7684\u64cd\u4f5c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e7%bd%aedb2%e7%92%b0%e5%a2%83-WdXFVjOXEN\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u7f6eDB2\u74b0\u5883<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86DB2\u6578\u64da\u5eab\u4e26\u914d\u7f6e\u597d\u76f8\u61c9\u7684\u74b0\u5883\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u8a2d\u7f6eDB2\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>\u4e0b\u8f09\u4e26\u5b89\u88ddDB2\u6578\u64da\u5eab\u3002<\/li>\n<li>\u914d\u7f6eDB2\u7684\u74b0\u5883\u8b8a\u91cf\uff0c\u4f8b\u5982DB2_HOME\u548cPATH\u3002<\/li>\n<li>\u555f\u52d5DB2\u5be6\u4f8b\u4e26\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%89%b5%e5%bb%baxml%e6%95%b8%e6%93%9a%e8%a1%a8-WdXFVjOXEN\">\u6b65\u9a5f\u4e8c\uff1a\u5275\u5efaXML\u6578\u64da\u8868<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u8868\u4f86\u5b58\u5132XML\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff0c\u7528\u65bc\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cxml_data\u201d\u7684\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE xml_data (\n    id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,\n    data XML\n);<\/code><\/pre>\n<p>\u9019\u500b\u8868\u5305\u542b\u4e00\u500b\u81ea\u589e\u7684ID\u5217\u548c\u4e00\u500bXML\u985e\u578b\u7684\u6578\u64da\u5217\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%8f%92%e5%85%a5xml%e6%95%b8%e6%93%9a-WdXFVjOXEN\">\u6b65\u9a5f\u4e09\uff1a\u63d2\u5165XML\u6578\u64da<\/h2>\n<p>\u5728\u8b80\u53d6XML\u6578\u64da\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5148\u63d2\u5165\u4e00\u4e9b\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165XML\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO xml_data (data) VALUES (XMLPARSE(DOCUMENT '&lt;root&gt;&lt;element&gt;Hello, World!&lt;\/element&gt;&lt;\/root&gt;')); <\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e4%bd%bf%e7%94%a8java%e9%80%a3%e6%8e%a5db2-WdXFVjOXEN\">\u6b65\u9a5f\u56db\uff1a\u4f7f\u7528Java\u9023\u63a5DB2<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728Java\u4e2d\u8a2d\u7f6eDB2\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5DB2\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DB2XMLReader {\n    public static void main(String[] args) {\n        String url = \"jdbc:db2:\/\/localhost:50000\/YOUR_DATABASE\";\n        String user = \"YOUR_USERNAME\";\n        String password = \"YOUR_PASSWORD\";\n\n        try {\n            Connection conn = DriverManager.getConnection(url, user, password);\n            Statement stmt = conn.createStatement();\n            ResultSet rs = stmt.executeQuery(\"SELECT data FROM xml_data\");\n\n            while (rs.next()) {\n                String xmlData = rs.getString(\"data\");\n                System.out.println(\"\u8b80\u53d6\u7684XML\u6578\u64da: \" + xmlData);\n            }\n\n            rs.close();\n            stmt.close();\n            conn.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e8%99%95%e7%90%86xml%e6%95%b8%e6%93%9a-WdXFVjOXEN\">\u6b65\u9a5f\u4e94\uff1a\u8655\u7406XML\u6578\u64da<\/h2>\n<p>\u5728\u6210\u529f\u8b80\u53d6XML\u6578\u64da\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Java\u7684XML\u8655\u7406\u5eab\uff08\u5982JAXP\u6216DOM\uff09\u4f86\u89e3\u6790\u548c\u8655\u7406\u9019\u4e9b\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528DOM\u89e3\u6790XML\uff1a<\/p>\n<pre><code>import javax.xml.parsers.DocumentBuilder;\nimport javax.xml.parsers.DocumentBuilderFactory;\nimport org.w3c.dom.Document;\n\npublic void parseXML(String xmlData) {\n    try {\n        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();\n        DocumentBuilder builder = factory.newDocumentBuilder();\n        Document doc = builder.parse(new InputSource(new StringReader(xmlData)));\n        \/\/ \u5728\u9019\u88e1\u8655\u7406XML\u6587\u6a94\n    } catch (Exception e) {\n        e.printStackTrace();\n    }\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WdXFVjOXEN\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5728Java\u4e2d\u6210\u529f\u5730\u5f9eDB2\u6578\u64da\u5eab\u8b80\u53d6XML\u6578\u64da\u3002\u9019\u4e9b\u64cd\u4f5c\u4e0d\u50c5\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Java\u4e2dDB2\u8b80\u53d6XML\u7684\u6b63\u78ba\u64cd\u4f5c\u6b65\u9a5f\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-61831","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61831","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=61831"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61831\/revisions"}],"predecessor-version":[{"id":61832,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61831\/revisions\/61832"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}