DOM

import java.io.fileinputstream; 

import java.io.filenotfoundexception; 

import java.io.ioexception; 

import java.io.inputstream; 

import javax.xml.parsers.documentbuilder; 

import javax.xml.parsers.documentbuilderfactory; 

import javax.xml.parsers.parserconfigurationexception; 

import org.w3c.dom.document; 

import org.w3c.dom.element; 

import org.w3c.dom.node; 

import org.w3c.dom.nodelist; 

import org.xml.sax.saxexception; 

public class domparse { 

public domparse() { 

documentbuilderfactory domfac = documentbuilderfactory.newinstance(); 

try { 

documentbuilder dombuilder = domfac.newdocumentbuilder(); 

inputstream is = new fileinputstream("bin/library.xml"); 

document doc = dombuilder.parse(is); 

element rootelement = doc.getdocumentelement(); 

system.out.println(rootelement); 

nodelist childnodes = rootelement.getchildnodes(); 

system.out.println("子节点"+childnodes); 

if (childnodes != null) { 

for (int i = 0; i < childnodes.getlength(); i++) { 

node node_index = childnodes.item(i); 

system.out.println("节点名称"+node_index.getnodename()); 

if (node_index.getnodetype() == node.element_node) { 

string email = node_index.getattributes() 

.getnameditem("email").getnodevalue(); 

system.out.println("email="+email); 

for (node node = node_index.getfirstchild(); node != null; node = node 

.getnextsibling()) 

{ 

if (node.getnodetype() == node.element_node) 

if (node.getnodename().equals("name")) 

string name = node.getnodevalue(); 

string name1 = node.getfirstchild() 

.getnodevalue(); 

system.out.println("name="+name); 

system.out.println("name child="+name1); 

} 

if (node.getnodename().equals("price")) 

string price = node.getfirstchild() 

system.out.println("price="+price); 

} catch (parserconfigurationexception e) { 

e.printstacktrace(); 

} catch (filenotfoundexception e) { 

} catch (saxexception e) { 

} catch (ioexception e) { 

public static void main(string[] args) { 

new domparse(); 

<?xml version="1.0" encoding="gb2312"?> 

<books name="hello"> 

<book email="[email protected]"> 

<name>name_name</name> 

<price>price_price</price> 

</book> 

</books>