package?net.paoyun.test;

import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.util.ArrayList;
import?java.util.List;
import?javax.xml.parsers.DocumentBuilder;
import?javax.xml.parsers.DocumentBuilderFactory;
import?javax.xml.parsers.ParserConfigurationException;
import?javax.xml.parsers.SAXParser;
import?javax.xml.parsers.SAXParserFactory;
import?org.dom4j.DocumentException;
import?org.dom4j.io.SAXReader;
import?org.jdom2.Attribute;
import?org.jdom2.JDOMException;
import?org.jdom2.input.SAXBuilder;
import?org.jdom2.input.sax.SAXHandler;
import?org.junit.Test;
import?org.w3c.dom.DOMException;
import?org.w3c.dom.Document;
import?org.w3c.dom.NamedNodeMap;
import?org.w3c.dom.Node;
import?org.w3c.dom.NodeList;
import?org.xml.sax.SAXException;

import?net.paoyun.entity.Book;
?
public?class?ParseTest?{
?public?void?domXmlParser()?{
??ArrayList<Book>?bookLists?=?new?ArrayList<Book>();
??DocumentBuilderFactory?dbf?=?DocumentBuilderFactory.newInstance();
??try?{
???DocumentBuilder?db?=?dbf.newDocumentBuilder();
???Document?document?=?db.parse("f:\\books.xml");
???NodeList?bookList?=?document.getElementsByTagName("book");
???for?(int?i?=?0;?i?<?bookList.getLength();?i++)?{
????Node?book?=?bookList.item(i);
????Book?bookEntity?=?new?Book();
????NamedNodeMap?attrs?=?book.getAttributes();
????for?(int?j?=?0;?j?<?attrs.getLength();?j++)?{
?????Node?attr?=?attrs.item(j);
?????if?(attr.getNodeName().equals("id"))?{
??????bookEntity.setId(attr.getNodeValue());
?????}
????}
????NodeList?childNodes?=?book.getChildNodes();
????for?(int?k?=?0;?k?<?childNodes.getLength();?k++)?{
?????if?(childNodes.item(k).getNodeType()?==?Node.ELEMENT_NODE)?{
??????String?name?=?childNodes.item(k).getNodeName();
??????String?value?=?childNodes.item(k).getFirstChild().getNodeValue();
??????if?(name.equals("name"))?{
???????bookEntity.setName(value);
??????}
??????else?if?(name.equals("author"))?{
???????bookEntity.setAuthor(value);
??????}
??????else?if?(name.equals("year"))?{
???????bookEntity.setYear(value);
??????}
??????else?if?(name.equals("price"))?{
???????bookEntity.setPrice(value);
??????}
??????else?if?(name.equals("language"))?{
???????bookEntity.setLanguage(value);
??????}
?????}
????}
????bookLists.add(bookEntity);
????bookEntity?=?null;
???}
??}?catch?(ParserConfigurationException?e)?{
???e.printStackTrace();
??}?catch?(SAXException?e)?{
???e.printStackTrace();
??}?catch?(IOException?e)?{
???e.printStackTrace();
??}
?}
?
?public?void?saxXmlParser(){
??SAXParserFactory?factory?=?SAXParserFactory.newInstance();
??try?{
???SAXParser?parser?=?factory.newSAXParser();
???SAXHandler?handler?=?new?SAXHandler();
???parser.parse("f:\\books.xml",?handler);
??}?catch?(ParserConfigurationException?e)?{
???e.printStackTrace();
??}?catch?(SAXException?e)?{
???e.printStackTrace();
??}?catch?(IOException?e)?{
???e.printStackTrace();
??}
?}
?
?public?void?jdomXmlParser()?{
??ArrayList<Book>?booksList?=?new?ArrayList<Book>();
??SAXBuilder?saxBuilder?=?new?SAXBuilder();
??InputStream?in;
??try?{
???in?=?new?FileInputStream("f:\\books.xml");
???InputStreamReader?isr?=?new?InputStreamReader(in,?"UTF-8");
???org.jdom2.Document?document?=?saxBuilder.build(isr);
???org.jdom2.Element?rootElement?=?document.getRootElement();
???List<org.jdom2.Element>?bookList?=?rootElement.getChildren();
???for?(org.jdom2.Element?book?:?bookList)?{
????Book?bookEntity?=?new?Book();
????List<Attribute>?attrList?=?book.getAttributes();
????for?(Attribute?attr?:?attrList)?{
?????String?attrName?=?attr.getName();
?????String?attrValue?=?attr.getValue();
?????if?(attrName.equals("id"))?{
??????bookEntity.setId(attrValue);
?????}
????}
????List<org.jdom2.Element>?bookChilds?=?book.getChildren();
????for?(org.jdom2.Element?child?:?bookChilds)?{
?????if?(child.getName().equals("name"))?{
??????bookEntity.setName(child.getValue());
?????}
?????else?if?(child.getName().equals("author"))?{
??????bookEntity.setAuthor(child.getValue());
?????}
?????else?if?(child.getName().equals("year"))?{
??????bookEntity.setYear(child.getValue());
?????}
?????else?if?(child.getName().equals("price"))?{
??????bookEntity.setPrice(child.getValue());
?????}
?????else?if?(child.getName().equals("language"))?{
??????bookEntity.setLanguage(child.getValue());
?????}
????}
????booksList.add(bookEntity);
????bookEntity?=?null;
???}
??}?catch?(FileNotFoundException?e)?{
???e.printStackTrace();
??}?catch?(JDOMException?e)?{
???e.printStackTrace();
??}?catch?(IOException?e)?{
???e.printStackTrace();
??}
?}
?
?public?void?dom4jXmlParser(){
??ArrayList<Book>?booksList?=?new?ArrayList<Book>();
??SAXReader?reader?=?new?SAXReader();
??try?{
???org.dom4j.Document?document?=?reader.read(new?File("f:\\books.xml"));
???org.dom4j.Element?bookStore?=?document.getRootElement();
???List<org.dom4j.Element>?bookEles?=?bookStore.elements();
???for?(org.dom4j.Element?book?:?bookEles)?{
????Book?bookEntity?=?new?Book();
????List<org.dom4j.Attribute>?bookAttrs?=?book.attributes();
????for?(org.dom4j.Attribute?attr?:?bookAttrs)?{
?????if?(attr.getName().equals("id"))?{
??????bookEntity.setId(attr.getValue());
?????}
????}
????List<org.dom4j.Element>?bookss?=?book.elements();
????for?(org.dom4j.Element?bookChild?:?bookss)?{
?????String?name?=?bookChild.getName();
?????String?value?=?bookChild.getStringValue();
?????if?(name.equals("name"))?{
??????bookEntity.setName(value);
?????}
?????else?if?(name.equals("author"))?{
??????bookEntity.setAuthor(value);
?????}
?????else?if?(name.equals("year"))?{
??????bookEntity.setYear(value);
?????}
?????else?if?(name.equals("price"))?{
??????bookEntity.setPrice(value);
?????}
?????else?if?(name.equals("language"))?{
??????bookEntity.setLanguage(value);
?????}
????}
????booksList.add(bookEntity);
????bookEntity?=?null;
???}
??}?catch?(DOMException?e)?{
???e.printStackTrace();
??}?catch?(DocumentException?e)?{
	//?TODO?Auto-generated?catch?block
	e.printStackTrace();
}
?}
?@Test
?public?void?testPerformance()?throws?Exception{
??System.out.println("性能測試:");
??//測試DOM的性能:
??long?start?=?System.currentTimeMillis();
??domXmlParser();
??System.out.println("DOM:"+?(System.currentTimeMillis()?-?start)?);
??//測試SAX的性能:
??start?=?System.currentTimeMillis();
??saxXmlParser();
??System.out.println("SAX:"+?(System.currentTimeMillis()?-?start)?);
??//測試JDOM的性能:
??start?=?System.currentTimeMillis();
??jdomXmlParser();
??System.out.println("JDOM:"+?(System.currentTimeMillis()?-?start)?);
??//測試DOM4J的性能:
??start?=?System.currentTimeMillis();
??dom4jXmlParser();
??System.out.println("DOM4J:"+?(System.currentTimeMillis()?-?start)?);
?
?}
}







package?net.paoyun.handler;

import?java.util.ArrayList;

import?javax.xml.namespace.QName;

import?org.xml.sax.Attributes;
import?org.xml.sax.SAXException;
import?org.xml.sax.helpers.DefaultHandler;

import?net.paoyun.entity.Book;

public?class?SAXHanlder?extends?DefaultHandler?{
	//?要遍歷數(shù)量的下標
	//?int?index?=?0;
	String?value?=?null;
	Book?book?=?null;
	ArrayList<Book>?bookList?=?new?ArrayList<Book>();

	public?ArrayList<Book>?getBookList()?{
		return?bookList;
	}

	/**
	?*?用來遍歷xml的開始標簽。?？梢垣@得屬性名和屬性值
	?*/
	@Override
	public?void?startElement(String?uri,?String?localName,?String?qName,?Attributes?attributes)?throws?SAXException?{
		//?TODO?Auto-generated?method?stub

		//?調(diào)用父類的startElement
		super.startElement(uri,?localName,?qName,?attributes);
		//?自定義屬性的遍歷
		if?(qName.equals("book"))?{
			//?index++;
			//?已知標簽的屬性名稱，已知屬性名稱獲取屬性值
			/*
			?*?String?value?=?attributes.getValue("id");
			?*?System.out.println("屬性值："+value);
			?*/
			book?=?new?Book();
			//?不知道屬性的名稱和個數(shù)
			int?num?=?attributes.getLength();
			for?(int?i?=?0;?i?<?num;?i++)?{
				//?有幾個屬性名就循環(huán)幾次?得到屬性名
				System.out.println(attributes.getQName(i));

				//?獲取屬性值,通過index的下標獲取
				System.out.println(attributes.getValue(i));
				if?(attributes.getQName(i).equals("id"))?{
					book.setId(attributes.getValue(i));
				}
			}
		}?else?if?(!qName.equals("book")?&&?!qName.equals("bookstore"))?{
			System.out.println("節(jié)點名是："?+?qName);

		}

	}

	/**
	?*?用來遍歷xml的結束標簽
	?*/

	@Override
	public?void?endElement(String?uri,?String?localName,?String?qName)?throws?SAXException?{
		//?TODO?Auto-generated?method?stub
		super.endElement(uri,?localName,?qName);
		//?是否針對遍歷的標簽是否結束
		if?(qName.equals("book"))?{
			bookList.add(book);
			book?=?null;

		}?else?if?(qName.equals("id"))?{
			book.setId(value);
		}?else?if?(qName.equals("name"))?{
			book.setName(value);
		}?else?if?(qName.equals("author"))?{
			book.setAuthor(value);
		}?else?if?(qName.equals("year"))?{
			book.setYear(value);
		}?else?if?(qName.equals("price"))?{
			book.setPrice(value);
		}?else?if?(qName.equals("qitq"))?{
			book.setQitq(value);
		}?else?if?(qName.equals("language"))?{
			book.setLanguage(value);
		}

	}

	/**
	?*?用來標志解析開始
	?*/
	@Override
	public?void?startDocument()?throws?SAXException?{
		//?TODO?Auto-generated?method?stub
		System.out.println("解析開始");
		super.startDocument();
	}

	/**
	?*?用來標記解析結束
	?*/
	@Override
	public?void?endDocument()?throws?SAXException?{
		//?TODO?Auto-generated?method?stub
		System.out.println("解析結束");
		super.endDocument();

	}

	/**
	?*?獲取節(jié)點值中的內(nèi)容
	?*/
	@Override
	public?void?characters(char[]?ch,?int?start,?int?length)?throws?SAXException?{
		//?TODO?Auto-generated?method?stub
		super.characters(ch,?start,?length);
		//?得到節(jié)點值的內(nèi)容
		value?=?new?String(ch,?start,?length);
		//?去掉空格和多余的換行
		if?(!value.trim().equals(""))?{
			System.out.println("節(jié)點值是："?+?value);
		}

	}
}

package net.paoyun.entity;

public class Book {

// 對應的book的節(jié)點名：

private String id;

private String name;

private String author;

private String year;

private String price;

private String qitq;

private String language;

public String getId() {

return id;

}

public void setId(String id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getAuthor() {

return author;

}

public void setAuthor(String author) {

this.author = author;

}

public String getYear() {

return year;

}

public void setYear(String year) {

this.year = year;

}

public String getPrice() {

return price;

}

public void setPrice(String price) {

this.price = price;

}

public String getQitq() {

return qitq;

}

public void setQitq(String qitq) {

this.qitq = qitq;

}

public String getLanguage() {

return language;

}

public void setLanguage(String language) {

this.language = language;

}

@Override

public String toString() {

return "Book [id=" + id + ", name=" + name + ", author=" + author + ", year=" + year + ", price=" + price

+ ", qitq=" + qitq + ", language=" + language + "]";

}

}

? 把需要用到的jar文件都要導入

性能測試:

DOM:123

SAX:109

JDOM:54

DOM4J:153

這是我用你的代碼測試出來的結果