{"id":412244,"date":"2024-02-21T22:56:25","date_gmt":"2024-02-21T14:56:25","guid":{"rendered":"https:\/\/www.idc.net\/help\/412244\/"},"modified":"2024-02-21T22:56:25","modified_gmt":"2024-02-21T14:56:25","slug":"%e5%9c%a8java%e4%b8%ad%e5%ae%9e%e7%8e%b0dom%e6%96%87%e6%a1%a3%e5%92%8cxml%e6%96%87%e4%bb%b6%e4%ba%92%e7%9b%b8%e8%bd%ac%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/412244\/","title":{"rendered":"\u5728Java\u4e2d\u5b9e\u73b0DOM\u6587\u6863\u548cXML\u6587\u4ef6\u4e92\u76f8\u8f6c\u6362"},"content":{"rendered":"\n\n\n
\n

<\/span><\/p>\n

\u6587\u7b80\u8981\u63cf\u8ff0\u4e86DOM\u7684\u6982\u5ff5\u548c\u5185\u90e8\u903b\u8f91\u7ed3\u6784\uff0c\u5b9e\u4f8b\u8bb2\u8ff0DOM\u6587\u6863\u64cd\u4f5c\u548cXML\u6587\u4ef6\u4e92\u76f8\u8f6c\u6362\u7684java\u5b9e\u73b0\u8fc7\u7a0b\u3002 <\/p>\n<\/p>\n

1. DOM\u6587\u6863\u7b80\u4ecb <\/p>\n<\/p>\n

\u76ee\u524d\uff0cW3C\u5df2\u4e8e2000\u5e7411\u670813\u65e5\u63a8\u51fa\u4e86\u89c4\u8303DOM level 2\u3002\u6587\u6863\u5bf9\u8c61\u6a21\u578b(DOM)\u662fHTML\u548cXML\u6587\u6863\u7684\u7f16\u7a0b\u63a5\u53e3\u89c4\u8303\uff0c\u5b83\u4e0e\u5e73\u53f0\u548c\u8bed\u8a00\u662f\u65e0\u5173\u7684\uff0c\u56e0\u800c\u53ef\u4ee5\u7528\u5404\u79cd\u8bed\u8a00\u5728\u5404\u79cd\u5e73\u53f0\u4e0a\u5b9e\u73b0\u3002\u8be5\u6a21\u578b\u5b9a\u4e49\u4e86THML\u548cXML\u6587\u4ef6\u5728\u5185\u5b58\u4e2d\u7684\u903b\u8f91\u7ed3\u6784(\u5373\u4e3a\u6587\u6863)\uff0c\u63d0\u4f9b\u4e86\u8bbf\u95ee\u3001\u5b58\u53d6THML\u548cXML\u6587\u4ef6\u7684\u65b9\u6cd5\u3002\u5229\u7528DOM\u89c4\u8303\uff0c\u53ef\u4ee5\u5b9e\u73b0DOM \u6587\u6863\u548cXML\u6587\u4ef6\u4e4b\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\uff0c\u904d\u5386\u3001\u64cd\u4f5c\u76f8\u5e94DOM\u6587\u6863\u7684\u5185\u5bb9\u3002\u53ef\u4ee5\u8bf4\uff0c\u8981\u81ea\u7531\u7684\u64cd\u7eb5XML\u6587\u4ef6\uff0c\u5c31\u8981\u7528\u5230DOM\u89c4\u8303\u3002 <\/p>\n<\/p>\n

2. DOM\u5185\u90e8\u903b\u8f91\u7ed3\u6784 <\/p>\n<\/p>\n

DOM\u6587\u6863\u4e2d\u7684\u903b\u8f91\u7ed3\u6784\u53ef\u4ee5\u7528\u8282\u70b9\u6811\u7684\u5f62\u5f0f\u8fdb\u884c\u8868\u8ff0\u3002\u901a\u8fc7\u5bf9XML\u6587\u4ef6\u7684\u89e3\u6790\u5904\u7406\uff0cXML\u6587\u4ef6\u4e2d\u7684\u5143\u7d20\u4fbf\u8f6c\u5316\u4e3aDOM\u6587\u6863\u4e2d\u7684\u8282\u70b9\u5bf9\u8c61\u3002DOM\u7684\u6587\u6863\u8282\u70b9\u6709Document\u3001Element\u3001Comment\u3001Type\u7b49\u7b49\u8282\u70b9\u7c7b\u578b\uff0c\u5176\u4e2d\u6bcf\u4e00\u4e2aDOM\u6587\u6863\u5fc5\u987b\u6709\u4e00\u4e2aDocument\u8282\u70b9\uff0c\u5e76\u4e14\u4e3a\u8282\u70b9\u6811\u7684\u6839\u8282\u70b9\u3002\u5b83\u53ef\u4ee5\u6709\u5b50\u8282\u70b9\uff0c\u6216\u8005\u53f6\u5b50\u8282\u70b9\u5982Text\u8282\u70b9\u3001Comment\u8282\u70b9\u7b49\u3002\u4efb\u4f55\u7684\u683c\u5f0f\u826f\u597d\u7684XML\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u5747\u6709DOM\u6587\u6863\u4e2d\u7684\u4e00\u4e2a\u8282\u70b9\u7c7b\u578b\u4e0e\u4e4b\u5bf9\u5e94\u3002\u5229\u7528DOM\u63a5\u53e3\u5c06XML\u6587\u4ef6\u8f6c\u5316\u6210DOM\u6587\u6863\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u81ea\u7531\u7684\u5904\u7406XML\u6587\u4ef6\u4e86\u3002 <\/p>\n<\/p>\n

3. java\u4e2d\u7684DOM\u63a5\u53e3 <\/p>\n<\/p>\n

DOM\u89c4\u8303\u63d0\u4f9b\u7684API\u7684\u89c4\u8303\uff0c\u76ee\u524dSun\u516c\u53f8\u63a8\u51fa\u7684jdk1.4\u6d4b\u8bd5\u7248\u4e2d\u7684java API\u9075\u5faa\u4e86 DOM level 2 Core\u63a8\u8350\u63a5\u53e3\u7684\u8bed\u4e49\u8bf4\u660e\uff0c\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684java\u8bed\u8a00\u7684\u5b9e\u73b0\u3002 <\/p>\n<\/p>\n

\u5728org.xml.dom\u4e2d\uff0cjkd1.4\u63d0\u4f9b\u4e86Document\u3001DocumentType\u3001Node\u3001NodeList\u3001Element\u3001Text\u7b49\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u5747\u662f\u8bbf\u95eeDOM\u6587\u6863\u6240\u5fc5\u987b\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u63a5\u53e3\u521b\u5efa\u3001\u904d\u5386\u3001\u4fee\u6539DOM\u6587\u6863\u3002 <\/p>\n<\/p>\n

\u5728javax.xml.parsers\u4e2d\uff0cjkd1.4\u63d0\u4f9b\u7684DoumentBuilder\u548cDocumentBuilderFactory\u7ec4\u5408\u53ef\u4ee5\u5bf9XML\u6587\u4ef6\u8fdb\u884c\u89e3\u6790\uff0c\u8f6c\u6362\u6210DOM\u6587\u6863\u3002 <\/p>\n<\/p>\n

\u5728javax.xml.transform.dom\u548cjavax.xml.transform.stream\u4e2d\uff0cjdk1.4\u63d0\u4f9b\u4e86DOMSource\u7c7b\u548cStreamSource\u7c7b\uff0c\u53ef\u4ee5\u7528\u6765\u5c06\u66f4\u65b0\u540e\u7684DOM\u6587\u6863\u5199\u5165\u751f\u6210\u7684XML\u6587\u4ef6\u4e2d\u3002 <\/p>\n<\/p>\n

4. \u4f8b\u7a0b <\/p>\n<\/p>\n

4.1 \u5c06XML\u6587\u4ef6\u8f6c\u5316\u6210DOM\u6587\u6863 <\/p>\n<\/p>\n

\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u83b7\u5f97\u4e00\u4e2aXML\u6587\u4ef6\u89e3\u6790\u5668\uff0c\u89e3\u6790XML\u6587\u4ef6\u8f6c\u5316\u6210DOM\u6587\u6863\u7684\u8fc7\u7a0b\u3002 <\/p>\n<\/p>\n

Jdk1.4\u4e2d\uff0cDocument\u63a5\u53e3\u63cf\u8ff0\u4e86\u5bf9\u5e94\u4e8e\u6574\u4e2aXML\u6587\u4ef6\u7684\u6587\u6863\u6811\uff0c\u63d0\u4f9b\u4e86\u5bf9\u6587\u6863\u6570\u636e\u7684\u8bbf\u95ee\uff0c\u662f\u8be5\u6b65\u9aa4\u7684\u76ee\u6807\u3002Document\u63a5\u53e3\u53ef\u4ee5\u4ece\u7c7bDocumentBuilder\u4e2d\u83b7\u53d6\uff0c\u8be5\u7c7b\u5305\u542b\u4e86\u4eceXML\u6587\u6863\u83b7\u5f97DOM\u6587\u6863\u5b9e\u4f8b\u7684API\u3002XML\u7684\u89e3\u6790\u5668\u53ef\u4ee5\u4ece\u7c7bDocumentBuilderFactory\u4e2d\u83b7\u53d6\u3002\u5728jdk1.4\u4e2d\uff0cXML\u6587\u4ef6\u8f6c\u5316\u6210DOM\u6587\u6863\u53ef\u4ee5\u6709\u5982\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a <\/p>\n<\/p>\n

\/\/\u83b7\u5f97\u4e00\u4e2aXML\u6587\u4ef6\u7684\u89e3\u6790\u5668 <\/p>\n<\/p>\n

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); <\/p>\n

\/\/\u89e3\u6790XML\u6587\u4ef6\u751f\u6210DOM\u6587\u6863\u7684\u63a5\u53e3\u7c7b\uff0c\u4ee5\u4fbf\u8bbf\u95eeDOM\u3002 <\/p>\n<\/p>\n

DocumentBuilder builder = factory.newDocumentBuilder(); <\/p>\n

document = builder.parse( new File(FileName) ); <\/p>\n<\/p>\n

4.2 \u904d\u5386DOM\u6587\u6863 <\/p>\n<\/p>\n

\u83b7\u5f97\u63a5\u53e3\u7c7bdocument\u5b9e\u4f8b\u540e\uff0c\u53ef\u4ee5\u5bf9DOM\u7684\u6587\u6863\u6811\u8fdb\u884c\u8bbf\u95ee\u3002\u8981\u904d\u5386DOM\u6587\u6863\uff0c\u9996\u5148\u8981\u83b7\u5f97Root\u5143\u7d20\u3002\u7136\u540e\u83b7\u5f97Root\u5143\u7d20\u7684\u5b50\u8282\u70b9\u5217\u8868\u3002\u8fd9\u91cc\u901a\u8fc7\u9012\u5f52\u7684\u65b9\u6cd5\u5b9e\u73b0\u904d\u5386\u7684\u76ee\u7684\u3002 <\/p>\n<\/p>\n

\/\/\u83b7\u5f97Root\u5143\u7d20 <\/p>\n<\/p>\n

Element element = document.getDocumentElement(); <\/p>\n<\/p>\n

\/\/\u83b7\u5f97Root\u5143\u7d20\u7684\u5b50\u8282\u70b9\u5217\u8868 <\/p>\n<\/p>\n

nodelist = element.getChildNodes(); <\/p>\n<\/p>\n

\/\/\u7528\u9012\u5f52\u65b9\u6cd5\u5b9e\u73b0DOM\u6587\u6863\u7684\u904d\u5386 <\/p>\n<\/p>\n

GetElement(nodelist); <\/p>\n<\/p>\n

\u5176\u4e2dGetElement\u65b9\u6cd5\u5b9e\u73b0\u5982\u4e0b\uff1a <\/p>\n<\/p>\n\n\n\n
\n
\n           \n            \u3000\u3000public void GetElement(NodeList nodelist){\r\n\u3000\u3000Node cnode;\r\n\u3000\u3000int i\uff0clen;\r\n\u3000\u3000String str;\r\n\u3000\u3000if(nodelist.getLength() == 0)\r\n\u3000\u3000\/\/ \u8be5\u8282\u70b9\u6ca1\u6709\u5b50\u8282\u70b9\r\n\r\n\u3000\u3000return;\r\n\u3000\u3000}\r\n\u3000\u3000for(i=0;i 1)\r\n\u3000\u3000System.out.println(\" \"+str+\" \"+len);\r\n\u3000\u3000}\r\n\u3000\u3000}\r\n\u3000\u3000}\n           <\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6ce8\u610f\uff1a\u4e0a\u9762\u7684\u4ee3\u7801\u53ea\u662f\u663e\u793aNode\u7c7b\u578b\u548cText\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u5b83\u4eec\u7684\u7c7b\u578b\u6807\u8bc6\u5206\u522b\u662f1\u548c3\u3002 <\/p>\n<\/p>\n
4.3 \u4fee\u6539DOM\u6587\u6863 <\/p>\n<\/p>\n
\u4fee\u6539DOM\u6587\u6863\u7684API\u5728DOM level 2 Core\u89c4\u8303\u4e2d\u505a\u4e86\u8bf4\u660e\uff0cjkd1.4\u4e2d\u7684org.xml.dom\u4e2d\u5b9e\u73b0\u4e86\u8fd9\u4e9bAPI\u3002\u4fee\u6539DOM\u6587\u6863\u64cd\u4f5c\u4e3b\u8981\u96c6\u4e2d\u5728Document\u3001Element\u3001Node\u3001Text\u7b49\u7c7b\u4e2d\uff0c\u8fd9\u91cc\u7ed9\u51fa\u7684\u4f8b\u5b50\u4e2d\u662f\u5728\u89e3\u6790\u51fa\u7684DOM\u6587\u6863\u4e2d\u589e\u52a0\u4e00\u7cfb\u5217\u5bf9\u8c61\uff0c\u5bf9\u5e94\u4e0e\u5728XML\u6587\u4ef6\u4e2d\u589e\u52a0\u4e00\u6761\u8bb0\u5f55\u3002 <\/p>\n<\/p>\n
\/\/ \u83b7\u5f97Root\u5bf9\u8c61 <\/p>\n<\/p>\n
Element root = document.getDocumentElement(); <\/p>\n
\/\/ \u5728DOM\u6587\u6863\u4e2d\u589e\u52a0\u4e00\u4e2aElement\u8282\u70b9 <\/p>\n<\/p>\n
Element booktype = document.createElement(\"COMPUTES\"); <\/p>\n
\/\/\u5c06\u8be5\u8282\u70b9\u8f6c\u5316\u6210root\u5bf9\u8c61\u7684\u5b50\u8282\u70b9 <\/p>\n<\/p>\n
root.appendChild(cdrom); <\/p>\n
\/\/\u5728DOM\u6587\u6863\u4e2d\u589e\u52a0\u4e00\u4e2aElement\u8282\u70b9 <\/p>\n<\/p>\n
Element booktitle = document.createElement(\"Title\"); <\/p>\n
\/\/\u5c06\u8be5\u8282\u70b9\u8f6c\u5316\u6210booktype\u5bf9\u8c61\u7684\u5b50\u8282\u70b9 <\/p>\n<\/p>\n
booktype.appendChild(booktitle); <\/p>\n
\/\/\u5728DOM\u6587\u6863\u4e2d\u589e\u52a0\u4e00\u4e2aText\u8282\u70b9 <\/p>\n<\/p>\n
Text bookname = document.createTextNode(\"understand Corba\"); <\/p>\n
\/\/\u5c06\u8be5\u8282\u70b9\u8f6c\u5316\u6210bookname\u5bf9\u8c61\u7684\u5b50\u8282\u70b9 <\/p>\n<\/p>\n
booktitle.appendChild(bookname); <\/p>\n<\/p>\n
4.4 \u5c06DOM\u6587\u6863\u8f6c\u5316\u6210XML\u6587\u4ef6 <\/p>\n<\/p>\n
\/\/ \u83b7\u5f97\u5c06DOM\u6587\u6863\u8f6c\u5316\u4e3aXML\u6587\u4ef6\u7684\u8f6c\u6362\u5668\uff0c\u5728jdk1.4\u4e2d\uff0c\u6709\u7c7bTransformerFactory <\/p>\n
\/\/ \u6765\u5b9e\u73b0\uff0c\u7c7bTransformer\u5b9e\u73b0\u8f6c\u5316API\u3002 <\/p>\n<\/p>\n
TransformerFactory tfactory = TransformerFactory.newInstance(); <\/p>\n
Transformer transformer = tfactory.newTransformer(); <\/p>\n
\/\/ \u5c06DOM\u5bf9\u8c61\u8f6c\u5316\u4e3aDOMSource\u7c7b\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u8868\u73b0\u4e3a\u8f6c\u5316\u6210\u522b\u7684\u8868\u8fbe\u5f62\u5f0f\u7684\u4fe1\u606f\u5bb9\u5668\u3002 <\/p>\n<\/p>\n
DOMSource source = new DOMSource(document); <\/p>\n
\/* \u83b7\u5f97\u4e00\u4e2aStreamResult\u7c7b\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u662fDOM\u6587\u6863\u8f6c\u5316\u6210\u7684\u5176\u4ed6\u5f62\u5f0f\u7684\u6587\u6863\u7684\u5bb9\u5668\uff0c <\/p>\n
\u53ef\u4ee5\u662fXML\u6587\u4ef6\uff0c\u6587\u672c\u6587\u4ef6\uff0cHTML\u6587\u4ef6\u3002\u8fd9\u91cc\u4e3a\u4e00\u4e2aXML\u6587\u4ef6\u3002*\/ <\/p>\n
StreamResult result = new StreamResult(new File(\u201ctext.xml\u201d)); <\/p>\n
\/\/ \u8c03\u7528API\uff0c\u5c06DOM\u6587\u6863\u8f6c\u5316\u6210XML\u6587\u4ef6\u3002 <\/p>\n<\/p>\n
transformer.transform(source,result); <\/p>\n<\/p>\n
\u8fd9\u91cc\u63d0\u4f9b\u4e86\u8be5\u4f8b\u7a0b\u7684\u5b8c\u6574\u7a0b\u5e8f\uff0c\u8be5\u4f8b\u7a0b\u5728windows 2000\u4e2djdk1.4\u73af\u5883\u4e2d\u8fd0\u884c\u901a\u8fc7\u3002 <\/p>\n<\/p>\n
\u4ee5\u4e0a\u7ed9\u51fa\u4e86\u4e00\u4e2a\u4f8b\u5b50\uff0c\u8bfb\u8005\u53ef\u4ee5\u4ece\u4e2d\u4e86\u89e3\u5230\u5bf9DOM\u64cd\u4f5c\u7684\u601d\u8def\u3002\u56e0\u4e3a\u5bf9DOM\u7684\u64cd\u4f5c\u5747\u9075\u5faa\u4e86DOM\u89c4\u8303\uff0c\u6240\u4ee5\u4e5f\u9002\u7528\u4e8e\u5176\u5b83\u8bed\u8a00\u5bf9DOM\u7684\u5904\u7406\u3002 <\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n
    \n
  1. \u9ad8\u624bJava\u6838\u5fc3\u6280\u672f\u5b66\u4e60\u7b14\u8bb0<\/li>\n
  2. \u5982\u4f55\u4f7f\u7528 JavaScript XSLT \u5904\u7406 XML \u6587\u4ef6<\/li>\n
  3. JSP\u7ed3\u5408XML+XSLT\u5c06\u8f93\u51fa\u8f6c\u6362HTML<\/li>\n
  4. Java\u901a\u8fc7JNI\u8c03\u7528C\u8bed\u8a00\u7684\u65b9\u6cd5<\/li>\n
  5. JAVA\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
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