StAX解析XML

package com.xml.parseXml;

 import java.io.InputStream;

 import javax.xml.stream.XMLEventReader;
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.events.StartElement;
 import javax.xml.stream.events.XMLEvent;

 import com.xml.bean.Address;
 import com.xml.bean.ReadXmlFileStream;

 public class StAXParseXml {
     private static Address address = new Address();

     public static void main(String[] args) {

         long lasting = System.currentTimeMillis();

         try {
            InputStream in = ReadXmlFileStream.getXmlFileStream();

            XMLInputFactory xmlif = XMLInputFactory.newInstance();
             // 用于解析 XML 事件的顶层接口
            XMLEventReader reader = xmlif.createXMLEventReader(in);
             // 处理标记事件的基础事件接口
             XMLEvent event = null;

             while (reader.hasNext()) {
                event = reader.nextEvent();
                 if (event.isStartElement()) { // 起始元素
                    StartElement startElt = event.asStartElement();
                     if (startElt.getName().getLocalPart().equals("no")) {
                        address.setNo(reader.getElementText());
                     } else if (startElt.getName().getLocalPart().equals("addr")) {
                        address.setAddr(reader.getElementText());
                        System.out.println(address);
                    }
                 } else if (event.isCharacters()) { // 文本内容
                     // 相邻标记之间都是文本内容
                     System.out.println("解析的是文本内容:"
                            + event.asCharacters().getData());
                 } else if (event.isEndElement()) { // 结束元素
                     System.out.println("解析的是结束标记:"
                            + event.asEndElement().getName());
                }
            }
         } catch (Exception e) {
            e.printStackTrace();
        }
         System.out.println("运行时间：" + (System.currentTimeMillis() - lasting)
                 + " 毫秒");

    }

}

package com.xml.parseXml;

 import java.io.InputStream;

 import javax.xml.stream.XMLEventReader;
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.events.StartElement;
 import javax.xml.stream.events.XMLEvent;

 import com.xml.bean.Address;
 import com.xml.bean.ReadXmlFileStream;

 public class StAXParseXml {
     private static Address address = new Address();

     public static void main(String[] args) {

         long lasting = System.currentTimeMillis();

         try {
            InputStream in = ReadXmlFileStream.getXmlFileStream();

            XMLInputFactory xmlif = XMLInputFactory.newInstance();
             // 用于解析 XML 事件的顶层接口
            XMLEventReader reader = xmlif.createXMLEventReader(in);
             // 处理标记事件的基础事件接口
             XMLEvent event = null;

             while (reader.hasNext()) {
                event = reader.nextEvent();
                 if (event.isStartElement()) { // 起始元素
                    StartElement startElt = event.asStartElement();
                     if (startElt.getName().getLocalPart().equals("no")) {
                        address.setNo(reader.getElementText());
                     } else if (startElt.getName().getLocalPart().equals("addr")) {
                        address.setAddr(reader.getElementText());
                        System.out.println(address);
                    }
                 } else if (event.isCharacters()) { // 文本内容
                     // 相邻标记之间都是文本内容
                     System.out.println("解析的是文本内容:"
                            + event.asCharacters().getData());
                 } else if (event.isEndElement()) { // 结束元素
                     System.out.println("解析的是结束标记:"
                            + event.asEndElement().getName());
                }
            }
         } catch (Exception e) {
            e.printStackTrace();
        }
         System.out.println("运行时间：" + (System.currentTimeMillis() - lasting)
                 + " 毫秒");

    }

}

package com.xml.parseXml;

import java.io.InputStream;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;

import com.xml.bean.Address;
import com.xml.bean.ReadXmlFileStream;

public class StAXParseXml {
	private static Address address = new Address();

	public static void main(String[] args) {

		long lasting = System.currentTimeMillis();

		try {
			InputStream in = ReadXmlFileStream.getXmlFileStream();

			XMLInputFactory xmlif = XMLInputFactory.newInstance();
			// 用于解析 XML 事件的顶层接口
			XMLEventReader reader = xmlif.createXMLEventReader(in);
			// 处理标记事件的基础事件接口
			XMLEvent event = null;

			while (reader.hasNext()) {
				event = reader.nextEvent();
				if (event.isStartElement()) { // 起始元素
					StartElement startElt = event.asStartElement();
					if (startElt.getName().getLocalPart().equals("no")) {
						address.setNo(reader.getElementText());
					} else if (startElt.getName().getLocalPart().equals("addr")) {
						address.setAddr(reader.getElementText());
						System.out.println(address);
					}
				} else if (event.isCharacters()) { // 文本内容
					// 相邻标记之间都是文本内容
					System.out.println("解析的是文本内容:"
							+ event.asCharacters().getData());
				} else if (event.isEndElement()) { // 结束元素
					System.out.println("解析的是结束标记:"
							+ event.asEndElement().getName());
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		System.out.println("运行时间：" + (System.currentTimeMillis() - lasting)
				+ " 毫秒");

	}

}

 

依赖的类：

1.Address .java

package com.xml.bean;

 public class Address {

     private String no;
     private String addr;
     /**
     * @return the no
     */
     public String getNo() {
         return no;
    }
     /**
     * @param no the no to set
     */
     public void setNo(String no) {
         this.no = no;
    }
     /**
     * @return the addr
     */
     public String getAddr() {
         return addr;
    }
     /**
     * @param addr the addr to set
     */
     public void setAddr(String addr) {
         this.addr = addr;
    }
     @Override
     public String toString() {
         return "编号:" + this.no + "，地址：" + this.addr;
    }


}

package com.xml.bean;

 public class Address {

     private String no;
     private String addr;
     /**
     * @return the no
     */
     public String getNo() {
         return no;
    }
     /**
     * @param no the no to set
     */
     public void setNo(String no) {
         this.no = no;
    }
     /**
     * @return the addr
     */
     public String getAddr() {
         return addr;
    }
     /**
     * @param addr the addr to set
     */
     public void setAddr(String addr) {
         this.addr = addr;
    }
     @Override
     public String toString() {
         return "编号:" + this.no + "，地址：" + this.addr;
    }


}

package com.xml.bean;

public class Address {

	private String no;
	private String addr;
	/**
	 * @return the no
	 */
	public String getNo() {
		return no;
	}
	/**
	 * @param no the no to set
	 */
	public void setNo(String no) {
		this.no = no;
	}
	/**
	 * @return the addr
	 */
	public String getAddr() {
		return addr;
	}
	/**
	 * @param addr the addr to set
	 */
	public void setAddr(String addr) {
		this.addr = addr;
	}
	@Override
	public String toString() {
		return "编号:" + this.no + "，地址：" + this.addr;
	}
	
	
}

 2.ReadXmlFileStream .java

/**
 *
 */
 package com.xml.bean;

 import java.io.InputStream;

 public class ReadXmlFileStream {

     private static final String XML_FILE = "com/xml/bean/addresses.xml";

     public static InputStream getXmlFileStream() {
         return Thread.currentThread().getContextClassLoader()
                .getResourceAsStream(XML_FILE);
    }

}

/**
 *
 */
 package com.xml.bean;

 import java.io.InputStream;

 public class ReadXmlFileStream {

     private static final String XML_FILE = "com/xml/bean/addresses.xml";

     public static InputStream getXmlFileStream() {
         return Thread.currentThread().getContextClassLoader()
                .getResourceAsStream(XML_FILE);
    }

}

/**
 * 
 */
package com.xml.bean;

import java.io.InputStream;

public class ReadXmlFileStream {

	private static final String XML_FILE = "com/xml/bean/addresses.xml";

	public static InputStream getXmlFileStream() {
		return Thread.currentThread().getContextClassLoader()
				.getResourceAsStream(XML_FILE);
	}

}

 

被解析的XML结构：

addresses.xml

<?xml version="1.0" encoding="UTF-8"?>
 <addresses>
     <value>
         <no>A100</no>
         <addr>广州天河区天河路</addr>
     </value>
     <value>
         <no>A101</no>
         <addr>广州天河区五山路</addr>
     </value>
 </addresses>

<?xml version="1.0" encoding="UTF-8"?>
 <addresses>
     <value>
         <no>A100</no>
         <addr>广州天河区天河路</addr>
     </value>
     <value>
         <no>A101</no>
         <addr>广州天河区五山路</addr>
     </value>
 </addresses>