{"id":62007,"date":"2024-10-13T15:27:16","date_gmt":"2024-10-13T07:27:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62007\/"},"modified":"2024-10-13T15:27:16","modified_gmt":"2024-10-13T07:27:16","slug":"java%e5%af%a6%e7%8f%bexml%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2-java%e5%b0%87xml%e4%bf%9d%e5%ad%98%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62007\/","title":{"rendered":"Java\u5be6\u73feXML\u6578\u64da\u5eab\u5b58\u5132 (java\u5c07xml\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"

Java\u5be6\u73feXML\u6578\u64da\u5eab\u5b58\u5132<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u7ba1\u7406\u74b0\u5883\u4e2d\uff0cXML\uff08\u53ef\u64f4\u5c55\u6a19\u8a18\u8a9e\u8a00\uff09\u5df2\u6210\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u6578\u64da\u683c\u5f0f\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u4ea4\u63db\u548c\u5b58\u5132\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8655\u7406XML\u6578\u64da\u4e26\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u5c07XML\u6578\u64da\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7XML\u4f5c\u70ba\u6578\u64da\u683c\u5f0f<\/h2>\n

XML\u7684\u512a\u52e2\u5728\u65bc\u5176\u53ef\u8b80\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5b83\u80fd\u5920\u4ee5\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u8868\u793a\u6578\u64da\uff0c\u4e26\u4e14\u53ef\u4ee5\u8f15\u9b06\u5730\u8207\u5176\u4ed6\u7cfb\u7d71\u9032\u884c\u4ea4\u4e92\u3002\u9019\u4f7f\u5f97XML\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u6578\u64da\u683c\u5f0f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8de8\u5e73\u53f0\u6578\u64da\u4ea4\u63db\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n

Java\u8655\u7406XML\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n

Java\u63d0\u4f9b\u4e86\u591a\u7a2eAPI\u4f86\u8655\u7406XML\u6578\u64da\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u5305\u62ecDOM\uff08\u6587\u6a94\u5c0d\u8c61\u6a21\u578b\uff09\u548cSAX\uff08\u7c21\u55aeAPI for XML\uff09\u3002\u9019\u4e9bAPI\u5141\u8a31\u958b\u767c\u8005\u8b80\u53d6\u3001\u89e3\u6790\u548c\u64cd\u4f5cXML\u6587\u6a94\u3002<\/p>\n

\u4f7f\u7528DOM\u89e3\u6790XML<\/h3>\n

DOM\u662f\u4e00\u7a2e\u6a39\u5f62\u7d50\u69cb\uff0c\u5141\u8a31\u958b\u767c\u8005\u4ee5\u7de8\u7a0b\u65b9\u5f0f\u8a2a\u554f\u548c\u4fee\u6539XML\u6587\u6a94\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528DOM\u89e3\u6790XML\u7684\u793a\u4f8b\uff1a<\/p>\n

import javax.xml.parsers.DocumentBuilder;\nimport javax.xml.parsers.DocumentBuilderFactory;\nimport org.w3c.dom.Document;\nimport org.w3c.dom.NodeList;\nimport org.w3c.dom.Element;\n\npublic class XMLParser {\n    public static void main(String[] args) {\n        try {\n            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();\n            DocumentBuilder builder = factory.newDocumentBuilder();\n            Document doc = builder.parse(\"data.xml\");\n\n            NodeList nodeList = doc.getElementsByTagName(\"item\");\n            for (int i = 0; i < nodeList.getLength(); i++) {\n                Element element = (Element) nodeList.item(i);\n                String value = element.getTextContent();\n                System.out.println("Item: " + value);\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n
\u5c07XML\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab<\/h2>\n
\u5728\u89e3\u6790XML\u6578\u64da\u5f8c\uff0c\u4e0b\u4e00\u6b65\u662f\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528JDBC\uff08Java\u6578\u64da\u5eab\u9023\u63a5\uff09\u4f86\u57f7\u884cSQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5c07XML\u6578\u64da\u5b58\u5132\u5230MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n
import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\n\npublic class DatabaseStorage {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String user = \"username\";\n        String password = \"password\";\n\n        try {\n            Connection conn = DriverManager.getConnection(url, user, password);\n            String sql = \"INSERT INTO items (name) VALUES (?)\";\n            PreparedStatement pstmt = conn.prepareStatement(sql);\n\n            \/\/ \u5047\u8a2d\u5f9eXML\u4e2d\u7372\u53d6\u7684\u6578\u64da\n            String[] items = {\"Item1\", \"Item2\", \"Item3\"};\n            for (String item : items) {\n                pstmt.setString(1, item);\n                pstmt.executeUpdate();\n            }\n\n            pstmt.close();\n            conn.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528Java\u7684DOM\u548cJDBC API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07XML\u6578\u64da\u89e3\u6790\u4e26\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7ba1\u7406\u6027\uff0c\u9084\u80fd\u5920\u5728\u4e0d\u540c\u7cfb\u7d71\u4e4b\u9593\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u4ea4\u63db\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u670d\u52d9\u5668\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc\u9999\u6e2fVPS<\/a><\/code>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Java\u5c07XML\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u8207\u67e5\u8a62\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-62007","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62007","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=62007"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62007\/revisions"}],"predecessor-version":[{"id":62008,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62007\/revisions\/62008"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}