{"id":5248,"date":"2022-05-08T17:43:44","date_gmt":"2022-05-08T09:43:44","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=5248"},"modified":"2022-05-08T17:43:44","modified_gmt":"2022-05-08T09:43:44","slug":"java%e4%b8%ad%e5%a6%82%e4%bd%95%e8%a7%a3%e6%9e%90xml%e6%96%87%e4%bb%b6-%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/5248.html","title":{"rendered":"Java\u4e2d\u5982\u4f55\u89e3\u6790XML\u6587\u4ef6\/\u5185\u5bb9"},"content":{"rendered":"\n

=Start=<\/p>\n\n\n\n

\u7f18\u7531\uff1a<\/h4>\n\n\n\n

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\u6b63\u6587\uff1a<\/h4>\n\n\n\n

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XML(eXtensible Markup Language)\u662f\u4e00\u79cd\u901a\u7528\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5b83\u5177\u6709\u5e73\u53f0\u65e0\u5173\u3001\u8bed\u8a00\u65e0\u5173\u3001\u7cfb\u7edf\u65e0\u5173\u7b49\u7279\u6027\uff0c\u65b9\u4fbf\u6570\u636e\u96c6\u6210\u4e0e\u4ea4\u4e92\uff0c\u6240\u4ee5\u5728 json\/yaml \u7b49\u683c\u5f0f\u6ca1\u51fa\u6765\u4e4b\u524d\u5f88\u6d41\u884c\u3002\u4f46\u662f\u73b0\u5728\u50a8\u5b58\u548c\u4ea4\u6362\u6570\u636e\u7684\u683c\u5f0f\u79cd\u7c7b\u7e41\u591a\uff0c\u800c XML \u4f7f\u7528\u8d77\u6765\u4e5f\u6ca1\u6709\u90a3\u4e48\u65b9\u4fbf\uff0c\u66f4\u63a8\u8350\u5927\u5bb6\u4f7f\u7528 JSON\u3001YAML \u7b49\u6570\u636e\u683c\u5f0f\u3002<\/p>\n\n\n\n

\u5728\u4e0d\u540c\u7684\u8bed\u8a00\u4e2d\uff0c\u89e3\u6790XML\u7684\u65b9\u5f0f\u90fd\u662f\u4e00\u6837\u7684\uff0c\u53ea\u4e0d\u8fc7\u5b9e\u73b0\u7684\u8bed\u6cd5\u4e0d\u540c\u800c\u5df2\u3002\u5728Java\u4e2d\u4e3b\u6d41\u7684\u65b9\u6cd5\u6709DOM\u3001SAX\u3001JDOM\u548cDOM4J\u3002<\/strong><\/p>\n\n\n\n

DOM\u89e3\u6790\u5668\u628aXML\u6587\u6863\u8f6c\u5316\u4e3a\u4e00\u4e2a\u5305\u542b\u5176\u5185\u5bb9\u7684\u6811\uff0c\u5e76\u53ef\u4ee5\u5bf9\u6811\u8fdb\u884c\u904d\u5386\u3002\u7528DOM\u89e3\u6790\u6a21\u578b\u7684\u4f18\u70b9\u662f\u7f16\u7a0b\u5bb9\u6613\uff0c\u5f00\u53d1\u4eba\u5458\u53ea\u9700\u8981\u8c03\u7528\u5efa\u6811\u7684\u6307\u4ee4\uff0c\u7136\u540e\u5229\u7528navigation APIs\u8bbf\u95ee\u6240\u9700\u7684\u6811\u8282\u70b9\u6765\u5b8c\u6210\u4efb\u52a1\u3002\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u6dfb\u52a0\u548c\u4fee\u6539\u6811\u4e2d\u7684\u5143\u7d20\u3002\u7136\u800c\u7531\u4e8e\u4f7f\u7528DOM\u89e3\u6790\u5668\u7684\u65f6\u5019\u9700\u8981\u5904\u7406\u6574\u4e2aXML\u6587\u6863\uff0c\u6240\u4ee5\u5bf9\u6027\u80fd\u548c\u5185\u5b58\u7684\u8981\u6c42\u6bd4\u8f83\u9ad8\uff0c\u5c24\u5176\u662f\u9047\u5230\u5f88\u5927\u7684XML\u6587\u4ef6\u7684\u65f6\u5019\u3002<\/strong>\u7531\u4e8e\u5b83\u7684\u904d\u5386\u80fd\u529b\uff0cDOM\u89e3\u6790\u5668\u5e38\u7528\u4e8eXML\u6587\u6863\u9700\u8981\u9891\u7e41\u7684\u6539\u53d8\u7684\u670d\u52a1\u4e2d\u3002\u4f18\u70b9\uff1a\u6574\u4e2a\u6587\u6863\u6811\u5728\u5185\u5b58\u4e2d\uff0c\u4fbf\u4e8e\u64cd\u4f5c\uff1b\u652f\u6301\u5220\u9664\u3001\u4fee\u6539\u3001\u91cd\u65b0\u6392\u5217\u7b49\u591a\u79cd\u529f\u80fd\uff1b\u7f3a\u70b9\uff1a\u5c06\u6574\u4e2a\u6587\u6863\u8c03\u5165\u5185\u5b58\uff08\u5305\u62ec\u65e0\u7528\u7684\u8282\u70b9\uff09\uff0c\u6d6a\u8d39\u65f6\u95f4\u548c\u7a7a\u95f4\uff1b\u4f7f\u7528\u573a\u5408\uff1a\u4e00\u65e6\u89e3\u6790\u4e86\u6587\u6863\u8fd8\u9700\u591a\u6b21\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\uff1b\u786c\u4ef6\u8d44\u6e90\u5145\u8db3\uff08\u5185\u5b58\u3001CPU\uff09\u3002<\/p>\n\n\n\n

SAX\u89e3\u6790\u5668\u91c7\u7528\u4e86\u57fa\u4e8e\u4e8b\u4ef6\u7684\u6a21\u578b\uff0c\u5b83\u5728\u89e3\u6790XML\u6587\u6863\u7684\u65f6\u5019\u53ef\u4ee5\u89e6\u53d1\u4e00\u7cfb\u5217\u7684\u4e8b\u4ef6\uff0c\u5f53\u53d1\u73b0\u7ed9\u5b9a\u7684tag\u7684\u65f6\u5019\uff0c\u5b83\u53ef\u4ee5\u6fc0\u6d3b\u4e00\u4e2a\u56de\u8c03\u65b9\u6cd5\uff0c\u544a\u8bc9\u8be5\u65b9\u6cd5\u6307\u5b9a\u7684\u6807\u7b7e\u5df2\u7ecf\u627e\u5230\u3002<\/strong>SAX\u5bf9\u5185\u5b58\u7684\u8981\u6c42\u901a\u5e38\u4f1a\u6bd4\u8f83\u4f4e\uff0c\u56e0\u4e3a\u5b83\u8ba9\u5f00\u53d1\u4eba\u5458\u81ea\u5df1\u6765\u51b3\u5b9a\u6240\u8981\u5904\u7406\u7684tag\uff0c\u7279\u522b\u662f\u5f53\u5f00\u53d1\u4eba\u5458\u53ea\u9700\u8981\u5904\u7406\u6587\u6863\u4e2d\u6240\u5305\u542b\u7684\u90e8\u5206\u6570\u636e\u65f6\uff0cSAX\u8fd9\u79cd\u80fd\u529b\u5f97\u5230\u4e86\u66f4\u597d\u7684\u4f53\u73b0\u3002\u4f46\u7528SAX\u89e3\u6790\u5668\u7684\u65f6\u5019\u7f16\u7801\u5de5\u4f5c\u4f1a\u6bd4\u8f83\u56f0\u96be\uff0c\u800c\u4e14\u5f88\u96be\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u4e2a\u6587\u6863\u4e2d\u7684\u591a\u5904\u4e0d\u540c\u6570\u636e\u3002\u4f18\u70b9\uff1a\u4e0d\u7528\u4e8b\u5148\u8c03\u5165\u6574\u4e2a\u6587\u6863\uff0c\u5360\u7528\u8d44\u6e90\u5c11\uff0c\u6548\u7387\u548c\u6027\u80fd\u8f83\u9ad8\uff0c\u80fd\u89e3\u6790\u5927\u4e8e\u7cfb\u7edf\u5185\u5b58\u7684\u6587\u6863\uff1b\u7f3a\u70b9\uff1a\u89e3\u6790\u903b\u8f91\u590d\u6742\uff0c\u9700\u8981\u5e94\u7528\u5c42\u81ea\u5df1\u8d1f\u8d23\u903b\u8f91\u5904\u7406\uff0c\u6587\u6863\u8d8a\u590d\u6742\u7a0b\u5e8f\u8d8a\u590d\u6742\uff0c\u5355\u5411\u5bfc\u822a\uff0c\u65e0\u6cd5\u5b9a\u4f4d\u6587\u6863\u5c42\u6b21\uff0c\u5f88\u96be\u540c\u65f6\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u6587\u6863\u7684\u4e0d\u540c\u90e8\u5206\u6570\u636e\uff0c\u4e0d\u652f\u6301XPath\uff1b\u4f7f\u7528\u573a\u5408\uff1a\u6709\u517c\u5bb9\u6027\u8003\u8651\uff0c\u4e14\u5bf9\u6027\u80fd\u548c\u5185\u5b58\u6709\u8981\u6c42\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

\u5176\u5b83\u76842\u79cdJDOM\u548cDOM4J\u8fd9\u91cc\u5c31\u4e0d\u5217\u4e3e\u4e86\uff0c\u76f4\u63a5\u53c2\u8003\u540e\u9762\u94fe\u63a5\u4e2d\u7684\u6587\u6863\u5185\u5bb9\u5373\u53ef\u3002<\/p>\n\n\n\n

\u5efa\u8bae\uff1a\u5982\u679cXML\u6587\u6863\u8f83\u5927\u4e14\u4e0d\u8003\u8651\u79fb\u690d\u6027\u95ee\u9898\u5efa\u8bae\u91c7\u7528DOM4J\uff1b\u5982\u679cXML\u6587\u6863\u8f83\u5c0f\u5219\u5efa\u8bae\u91c7\u7528JDOM\uff1b\u5982\u679c\u9700\u8981\u53ca\u65f6\u5904\u7406\u800c\u4e0d\u9700\u8981\u4fdd\u5b58\u6570\u636e\u5219\u8003\u8651SAX\uff1b\u5982\u679cXML\u6587\u6863\u8f83\u5c0f\u6027\u80fd\u53c8\u4e0d\u662f\u74f6\u9888\u70b9\u4e14\u53ea\u60f3\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u53ef\u4ee5\u9009\u62e9DOM\u3002<\/strong>\u4f46\u65e0\u8bba\u5982\u4f55\uff0c\u8fd8\u662f\u90a3\u53e5\u8bdd\uff1a\u9002\u5408\u81ea\u5df1\u7684\u624d\u662f\u6700\u597d\u7684\uff0c\u5982\u679c\u65f6\u95f4\u5141\u8bb8\uff0c\u5efa\u8bae\u5927\u5bb6\u8bb2\u8fd9\u56db\u79cd\u65b9\u6cd5\u90fd\u5c1d\u8bd5\u4e00\u904d\u7136\u540e\u9009\u62e9\u4e00\u79cd\u9002\u5408\u81ea\u5df1\u7684\u5373\u53ef\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u6839\u636e\u81ea\u5df1\u7684\u5b9e\u9645\u573a\u666f\u548c\u9700\u6c42\u9009\u62e9\u7528DOM\u8fdb\u884c\u4e00\u4e2aXML\u6587\u6863\u7684\u89e3\u6790\uff0c\u4e86\u89e3\u4e00\u4e0b\u5927\u6982\u7684\u65b9\u6cd5\u5373\u53ef\u3002<\/p>\n\n\n\n

\u7528DOM\u8bfb\u53d6XML\u5176\u5b9e\u4e3b\u8981\u5c31\u662f\u6839\u636eXML\u6587\u6863\u7684\u5185\u5bb9\u548c\u7ed3\u6784\u8c03\u7528\u5404\u79cd\u73b0\u6210\u7684get\u65b9\u6cd5\u6765\u8fbe\u5230\u76ee\u7684\uff1a
.getDocumentElement
.getAttribute
.getAttributes
.getChildNodes
.getElementsByTagName
.getNodeValue
node.getTextContent()
node.getNodeType()<\/p>\n\n\n\n

slide1.xml \u6587\u6863\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n

<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n<p:sld xmlns:p=\"http:\/\/schemas.openxmlformats.org\/presentationml\/2006\/main\" xmlns:r=\"http:\/\/schemas.openxmlformats.org\/officeDocument\/2006\/relationships\" xmlns:a=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/main\" xmlns:mc=\"http:\/\/schemas.openxmlformats.org\/markup-compatibility\/2006\" xmlns:c=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/chart\" xmlns:cdr=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/chartDrawing\" xmlns:dgm=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/diagram\" xmlns:pic=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/picture\" xmlns:wp=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/wordprocessingDrawing\" xmlns:wp14=\"http:\/\/schemas.microsoft.com\/office\/word\/2010\/wordprocessingDrawing\" xmlns:xdr=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/spreadsheetDrawing\" xmlns:p14=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2010\/main\" xmlns:a14=\"http:\/\/schemas.microsoft.com\/office\/drawing\/2010\/main\" xmlns:p15=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2012\/main\" xmlns:p166=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2016\/6\/main\" xmlns:a13cmd=\"http:\/\/schemas.microsoft.com\/office\/drawing\/2013\/main\/command\" xmlns:p13cmd=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2013\/main\/command\" xmlns:p1510=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2015\/10\/main\" xmlns:psez=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2016\/sectionzoom\" xmlns:pslz=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2016\/slidezoom\" xmlns:psuz=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2016\/summaryzoom\" xmlns:p173=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2017\/3\/main\" xmlns:comp=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/compatibility\" xmlns:lc=\"http:\/\/schemas.openxmlformats.org\/drawingml\/2006\/lockedCanvas\" xmlns:p159=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2015\/09\/main\" xmlns:p16=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2015\/main\" xmlns:p1710=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2017\/10\/main\" xmlns:p184=\"http:\/\/schemas.microsoft.com\/office\/powerpoint\/2018\/4\/main\">\n    <p:cSld>\n        <p:spTree>\n            <p:nvGrpSpPr>\n                <p:cNvPr id=\"1\" name=\"\"\/>\n                <p:cNvGrpSpPr\/>\n                <p:nvPr\/>\n            <\/p:nvGrpSpPr>\n            <p:grpSpPr>\n                <a:xfrm>\n                    <a:off x=\"0\" y=\"0\"\/>\n                    <a:ext cx=\"0\" cy=\"0\"\/>\n                    <a:chOff x=\"0\" y=\"0\"\/>\n                    <a:chExt cx=\"0\" cy=\"0\"\/>\n                <\/a:xfrm>\n            <\/p:grpSpPr>\n            <p:sp>\n                <p:nvSpPr>\n                    <p:cNvPr id=\"2\" name=\"\u6807\u9898 1\">\n                        <a:extLst>\n                            <a:ext uri=\"{FF2B5EF4-FFF2-40B4-BE49-F238E27FC236}\">\n<a16:creationId xmlns:a16=\"http:\/\/schemas.microsoft.com\/office\/drawing\/2014\/main\" id=\"{0C4965C3-8E25-5064-CA94-43ECAEC4C9DA}\"\/>\n                            <\/a:ext>\n                        <\/a:extLst>\n                    <\/p:cNvPr>\n                    <p:cNvSpPr>\n                        <a:spLocks noGrp=\"true\"\/>\n                    <\/p:cNvSpPr>\n                    <p:nvPr>\n                        <p:ph type=\"ctrTitle\"\/>\n                    <\/p:nvPr>\n                <\/p:nvSpPr>\n                <p:spPr\/>\n                <p:txBody>\n                    <a:bodyPr\/>\n                    <a:lstStyle\/>\n                    <a:p>\n                        <a:r>\n                            <a:rPr kumimoji=\"true\" lang=\"en-US\" altLang=\"zh-CN\" dirty=\"false\"\/>\n                            <a:t>This is title<\/a:t>\n                        <\/a:r>\n                        <a:endParaRPr kumimoji=\"true\" lang=\"zh-CN\" altLang=\"en-US\" dirty=\"false\"\/>\n                    <\/a:p>\n                <\/p:txBody>\n            <\/p:sp>\n            <p:sp>\n                <p:nvSpPr>\n                    <p:cNvPr id=\"3\" name=\"\u526f\u6807\u9898 2\">\n                        <a:extLst>\n                            <a:ext uri=\"{FF2B5EF4-FFF2-40B4-BE49-F238E27FC236}\">\n<a16:creationId xmlns:a16=\"http:\/\/schemas.microsoft.com\/office\/drawing\/2014\/main\" id=\"{F7249D54-FC9D-6E07-5BE5-0C5D513920D2}\"\/>\n                            <\/a:ext>\n                        <\/a:extLst>\n                    <\/p:cNvPr>\n                    <p:cNvSpPr>\n                        <a:spLocks noGrp=\"true\"\/>\n                    <\/p:cNvSpPr>\n                    <p:nvPr>\n                        <p:ph type=\"subTitle\" idx=\"1\"\/>\n                    <\/p:nvPr>\n                <\/p:nvSpPr>\n                <p:spPr\/>\n                <p:txBody>\n                    <a:bodyPr\/>\n                    <a:lstStyle\/>\n                    <a:p>\n                        <a:r>\n                            <a:rPr kumimoji=\"true\" lang=\"en-US\" altLang=\"zh-CN\" dirty=\"false\"\/>\n                            <a:t>Subtitle here<\/a:t>\n                        <\/a:r>\n                        <a:endParaRPr kumimoji=\"true\" lang=\"zh-CN\" altLang=\"en-US\" dirty=\"false\"\/>\n                    <\/a:p>\n                <\/p:txBody>\n            <\/p:sp>\n            <p:pic>\n                <p:nvPicPr>\n                    <p:cNvPr id=\"4136\" name=\"Picture 1\" descr=\"1.png\"\/>\n                    <p:cNvPicPr>\n                        <a:picLocks noChangeAspect=\"true\"\/>\n                    <\/p:cNvPicPr>\n                    <p:nvPr\/>\n                <\/p:nvPicPr>\n                <p:blipFill>\n                    <a:blip cstate=\"print\" r:link=\"rId3\"\/>\n                    <a:stretch>\n                        <a:fillRect\/>\n                    <\/a:stretch>\n                <\/p:blipFill>\n                <p:spPr>\n                    <a:xfrm>\n                        <a:off x=\"0\" y=\"0\"\/>\n                        <a:ext cx=\"1\" cy=\"1\"\/>\n                    <\/a:xfrm>\n                    <a:prstGeom prst=\"rect\">\n                        <a:avLst\/>\n                    <\/a:prstGeom>\n                <\/p:spPr>\n            <\/p:pic>\n        <\/p:spTree>\n        <p:extLst>\n            <p:ext uri=\"{BB962C8B-B14F-4D97-AF65-F5344CB8AC3E}\">\n                <p14:creationId val=\"3160098309\"\/>\n            <\/p:ext>\n        <\/p:extLst>\n    <\/p:cSld>\n    <p:clrMapOvr>\n        <a:masterClrMapping\/>\n    <\/p:clrMapOvr>\n<\/p:sld><\/code><\/pre>\n\n\n\n
opXml.java \u4ee3\u7801\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n
package com.example;\n\nimport org.w3c.dom.Document;\nimport org.w3c.dom.Element;\nimport org.w3c.dom.Node;\nimport org.w3c.dom.NodeList;\nimport org.xml.sax.InputSource;\n\nimport javax.xml.parsers.DocumentBuilder;\nimport javax.xml.parsers.DocumentBuilderFactory;\nimport javax.xml.xpath.XPath;\nimport javax.xml.xpath.XPathConstants;\nimport javax.xml.xpath.XPathFactory;\nimport java.io.File;\nimport java.io.StringReader;\n\n\/**\n * @author ixyzero\n * Created on 2022-05-08\n *\/\npublic class opXml {\n    public static void main(String[] args) {\n        String filePath = \"slide1.xml\";\n        try {\n            Document document = loadXMLFromFile(filePath);\n\n            System.out.println(document.getDocumentElement()); \/\/ \u6839\u7ed3\u70b9\u5143\u7d20 [p:sld: null]\n            System.out.println(document.getDocumentElement().getNodeName()); \/\/ \u6839\u7ed3\u70b9\u540d\u79f0 p:sld\n            System.out.println(document.getDocumentElement().getAttributes().getLength()); \/\/ \u6839\u7ed3\u70b9\u5c5e\u6027\u7684\u4e2a\u6570-28\n            System.out.println(document.getDocumentElement().getChildNodes().getLength()); \/\/ \u4e00\u7ea7\u8282\u70b9(\u6839\u7ed3\u70b9\u4e0b\u4e00\u5c42)\u7684\u4e2a\u6570-5\n            System.out.println(Node.ELEMENT_NODE); \/\/ \u5143\u7d20\u8282\u70b9ELEMENT_NODE\u7684type\u5bf9\u5e94\u6570\u503c\u4e3a 1\n\n            \/\/ \u904d\u5386\u7279\u5b9atag\u7684\u5143\u7d20\u83b7\u53d6\u5176\u5185\u5bb9\n            NodeList nodeList = document.getElementsByTagName(\"a:t\");\n            for (int i = 0; i < nodeList.getLength(); i++) {\n                Node node = nodeList.item(i);\n                System.out.println(node.getTextContent());\n            }\n\n            \/\/ \u904d\u5386\u7279\u5b9atag\u7684\u5143\u7d20\u5e76\u6253\u5370\u51fa\u5176\u5b50\u5143\u7d20\u7c7b\u578b\u4e3aELEMENT_NODE\u7684\u5b50\u5143\u7d20\u7684\u7c7b\u578b\u548c\u8282\u70b9\u540d\u79f0\n            NodeList nList = document.getElementsByTagName(\"p:sp\");\n            for (int i = 0; i < nList.getLength(); i++) {\n                Node nNode = nList.item(i);\n                System.out.println(String.format(\"\\nCurrent Element: %s, childNode count: %d\",\n                        nNode.getNodeName(), nNode.getChildNodes().getLength()));\n                if (nNode.getNodeType() == Node.ELEMENT_NODE) {\n                    Element eElement = (Element) nNode;\n                    for (int j = 0; j < eElement.getChildNodes().getLength(); j++) {\n                        System.out.println(eElement.getChildNodes().item(j).getNodeType() + \"\\t\" + eElement.getChildNodes().item(j).getNodeName());\n                    }\n                }\n            }\n\n            \/*\n            XPath\u5e38\u7528\u8bed\u6cd5\n            http://www.51gjie.com\/java\/747.html\n\n            https:\/\/stackoverflow.com\/questions\/4282147\/use-xpath-to-parse-element-name-containing-a-colon\n            https:\/\/newbedev.com\/xpath-query-for-xml-node-with-colon-in-node-name\n\n            \/\/*     ->  \u83b7\u5f97\u6240\u6709\u8282\u70b9\n            \/\/*[@cx] ->  \u83b7\u5f97\u5b58\u5728\u5c5e\u6027cx\u7684\u6240\u6709\u8282\u70b9\n            \/\/*[@cx=\"1\"] ->  \u83b7\u5f97\u5b58\u5728\u5c5e\u6027cx\u4e14\u503c\u4e3a1\u7684\u6240\u6709\u8282\u70b9\n            \/\/*[name()='p:sp']  -> \u83b7\u5f97\u6240\u6709p:sp\u8282\u70b9\n            \/\/*[name()='p:sp'][1]  -> \u83b7\u5f97\u7b2c\u4e00\u4e2ap:sp\u8282\u70b9\n            \/\/*[local-name()='sp']  ->  *:sp\n            \/\/element_name  ->  \u83b7\u5f97\u6240\u6709element_name\u8282\u70b9\uff0c\u5982\u679celement_name\u5b57\u7b26\u4e32\u4e2d\u6ca1\u6709\u5192\u53f7(:)\u7684\u8bdd\u76f4\u63a5\u7528\u8fd9\u79cd\u65b9\u5f0f\u5c31OK\n\n             *\/\n            XPath xPath =  XPathFactory.newInstance().newXPath();\n            String expression = \"\/\/*[name()='p:sp'][1]\";\n            NodeList nodeList1 = (NodeList) xPath.compile(expression).evaluate(document, XPathConstants.NODESET);\n            System.out.println(nodeList1.getLength());\n            for (int i = 0; i < nodeList1.getLength(); i++) {\n                Node nNode = nodeList1.item(i);\n                System.out.println(String.format(\"Current Element: %s, childNode count: %d\",\n                        nNode.getNodeName(), nNode.getChildNodes().getLength()));\n            }\n\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n\n    public static Document loadXMLFromFile(String filePath) throws Exception {\n        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();\n        DocumentBuilder builder = factory.newDocumentBuilder();\n        return builder.parse(new File(filePath));\n    }\n\n    public static Document loadXMLFromString(String xml) throws Exception {\n        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();\n        DocumentBuilder builder = factory.newDocumentBuilder();\n        InputSource is = new InputSource(new StringReader(xml));\n        return builder.parse(is);\n    }\n\n}<\/code><\/pre>\n\n\n\n
\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n
A Guide to XML in Java
https:\/\/www.baeldung.com\/java-xml<\/a><\/p>\n\n\n\n
XML Libraries Support in Java #\u6709 DOM\/SAX\/STAX\/JAXB 4\u8005\u7684\u4f18\u52a3\u5bf9\u6bd4<\/strong>
https:\/\/www.baeldung.com\/java-xml-libraries<\/a><\/p>\n\n\n\n
Java XML Tutorial #\u7528 DOM\/SAX\/StAX\/JDOM \u8bfb\u5199XML\uff0c\u7528 JAXB \u5728XML\u548c\u5bf9\u8c61\u4e4b\u95f4\u505a\u8f6c\u6362
https:\/\/mkyong.com\/tutorials\/java-xml-tutorials\/<\/a><\/p>\n\n\n\n
\u7ec6\u8bf4java\u89e3\u6790xml\u6587\u6863\u7684\u5e38\u7528\u65b9\u6cd5\uff08\u542b\u5b9e\u4f8b\uff09
https:\/\/www.w3cschool.cn\/java\/java-mxl.html<\/a><\/p>\n\n\n\n
Java \u89e3\u6790XML 4\u79cd\u65b9\u6cd5\u603b\u7ed3
http:\/\/www.51gjie.com\/java\/740.html<\/a><\/p>\n\n\n\n
Java\u89e3\u6790XML\u6587\u4ef6\u7684\u65b9\u5f0f
https:\/\/www.cnblogs.com\/JavaArchitect\/p\/12243296.html<\/a><\/p>\n\n\n\n
JAVA\u89e3\u6790XML\u7684\u56db\u79cd\u65b9\u5f0f\u4f18\u7f3a\u70b9\u5bf9\u6bd4
https:\/\/www.jianshu.com\/p\/9b3835299b99<\/a><\/p>\n\n\n\n
\u8be6\u89e3Java\u89e3\u6790XML\u7684\u56db\u79cd\u65b9\u6cd5
https:\/\/www.jianshu.com\/p\/ed0d6b96fd14<\/a><\/p>\n\n\n\n
Java XML\u89e3\u6790\u5668
https:\/\/www.yiibai.com\/java_xml\/java_xml_parsers.html<\/a><\/p>\n\n\n\n
How to retrieve element value of XML using Java?
https:\/\/stackoverflow.com\/questions\/4076910\/how-to-retrieve-element-value-of-xml-using-java<\/a><\/p>\n\n\n\n
XML \u5143\u7d20
https:\/\/www.runoob.com\/xml\/xml-elements.html<\/a><\/p>\n\n\n\n
=END=<\/p>\n","protected":false},"excerpt":{"rendered":"
=Start= \u7f18\u7531\uff1a \u4e0d\u5fd9\u7684\u65f6\u5019\u7528Java\u5b9e\u73b0\u4e00\u4e9b\u5e38\u7528\u7684\u529f\u80fd\uff0c\u4e00\u65b9\u9762\u662f\u719f\u6089Java\u8bed\u6cd5\uff0c\u53e6\u4e00\u65b9\u9762\u4e5f\u662f\u4e3a\u4e86\u51cf\u7f13 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,7,12],"tags":[1699,61,1808,599],"class_list":["post-5248","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-programing","category-tools","tag-dom","tag-java","tag-sax","tag-xml"],"views":1459,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=5248"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5248\/revisions"}],"predecessor-version":[{"id":5249,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5248\/revisions\/5249"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=5248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=5248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=5248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}