NanoXML组件解析xml简单例子

最新推荐文章于 2024-01-04 21:45:33 发布

5iasp

最新推荐文章于 2024-01-04 21:45:33 发布

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文章标签： xml iterator exception string vector header

本文链接：https://blog.youkuaiyun.com/5iasp/article/details/4264480

本文提供了一个使用NanoXML组件解析XML数据的示例代码。通过该示例，读者可以了解如何初始化解析器、读取XML字符串并获取节点属性及内容。此外，还展示了遍历子节点的方法。

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NanoXML组件解析xml简单例子

package com.aspboy.base.action.util;

import java.util.Iterator;
import java.util.Vector;

import net.n3.nanoxml.IXMLElement;
import net.n3.nanoxml.IXMLParser;
import net.n3.nanoxml.IXMLReader;
import net.n3.nanoxml.StdXMLReader;
import net.n3.nanoxml.XMLParserFactory;

public class NanoXmlTest {

public static void main(String[] args) {

// 解析
 //String body = "<m a='1' b='2'><a id='vvv'>111111</a>222222</m>";
 //String body = "<m a='1' b='2'><a id='1'>111111</a><a id='2'>222222</a>333333</m>";

 String body = "<m a='1' b='2'><a id='1'>111111</a><c id='2'>222222</c>333333</m>";

 IXMLParser xmlParser = null;
 IXMLReader xmlReader = null;
 try {
 long a = System.currentTimeMillis();
 xmlParser = XMLParserFactory.createDefaultXMLParser();
 System.out.println(System.currentTimeMillis() - a + "ms");// 1
 a = System.currentTimeMillis();
 xmlReader = StdXMLReader.stringReader(body);
 xmlParser.setReader(xmlReader);
 IXMLElement header = (IXMLElement) xmlParser.parse();
 //IXMLElement info = header.getFirstChildNamed("m");
 //System.out.println(info.getAttribute("a", ""));
 System.out.println(header.getAttribute("a", ""));
 System.out.println(header.getAttribute("b", ""));
 System.out.println(header.getContent());


 //System.out.println(header.getFirstChildNamed("a").getContent());
 System.out.println(header.getFirstChildNamed("b").getContent());

 IXMLElement node1 = header.getFirstChildNamed("b");
 System.out.println(node1.getAttribute("id", ""));

 //System.out.println(header.getChildrenCount());

 Vector v=header.getChildrenNamed("a");
 for (int i=0;i<v.size();i++)
 {
 IXMLElement ai=(IXMLElement)v.elementAt(i);
 long id = ai.getAttribute("id", 0);
 System.out.println("id="+id+"=="+ai.getContent());

 }

 //IXMLElement node = header.getFirstChildNamed("a");
 Iterator it = header.getChildren().iterator();
 while (it.hasNext())
 {
 IXMLElement inode = (IXMLElement) it.next();
 long id = inode.getAttribute("id", 0);
 System.out.println("id="+id);

 }


 } catch (Exception e) {
 e.printStackTrace();
 }

}