Java学习---XML的读写操作

DOM4_Jwriter.java

package com.ftl.xmlparse;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import org.dom4j.*;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.XMLWriter;

public class DOM4_Jwriter

{

    public static void main(String[] args)

    {

        // 创建文档

        Document doc = DocumentHelper.createDocument();

        // 定义节点

        Element addresslist = doc.addElement("addresslist");

        Element linkman = addresslist.addElement("linkman");

        Element employee = addresslist.addElement("employee");

        Element name = linkman.addElement("name");

        Element email = linkman.addElement("email");

        Element salary = employee.addElement("salary");

        Element job = employee.addElement("engineer");

        name.setText("FTL1012");

        email.setText("www.44.com");

        salary.setText("15000+");

        job.setText("Java开发");

        // 定义输出格式

        OutputFormat format = OutputFormat.createPrettyPrint();

        format.setEncoding("GBK");

        try

        {

            XMLWriter writer = new XMLWriter(new FileOutputStream(new File("G:"

                    + File.separator + "outputt.xml")), format);

            writer.write(doc);

            writer.close();

        } catch (Exception e)

        {

            e.printStackTrace();

        }

    }

}

DOM4J_Jreader.java

package com.huawei.xmlparse;

import java.io.File;

import java.util.Iterator;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

public class DOM4J_Jreader

{

    public static void main(String[] args)

    {

        // TODO 自动生成的方法存根

        File file = new File("G:" + File.separator + "outputt.xml");

        SAXReader reader = new SAXReader();

        Document doc = null;

        try

        {

            doc = reader.read(file);

        } catch (DocumentException e)

        {

            e.printStackTrace();

        }

        Element root = doc.getRootElement();

        Iterator iter = root.elementIterator();

        while (iter.hasNext())

        {

            Element linkman = (Element) iter.next();

            System.out.println("姓名：" + linkman.elementText("name"));

            System.out.println("邮件：" + linkman.elementText("email"));

            Element employee = (Element) iter.next();

            System.out.println("薪资：" + employee.elementText("salary"));

            System.out.println("工作：" + employee.elementText("engineer"));

        }

    }

}

XML.java

package com.ftl.xmlparse;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import org.dom4j.Document;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.XMLWriter;

public class XML

{

    public static void main(String[] args)

    {

        Document doc = DocumentHelper.createDocument();

        Element school = doc.addElement("school");

        Element person = school.addElement("person");

        Element library = school.addElement("library");

        Element id = person.addElement("id");

        school.setText("xxx");

        library.setText("xu");

        person.setText("FTL1012");

        id.setText("041077");

        OutputFormat format = OutputFormat.createCompactFormat();

        format.setEncoding("GBK");

        try

        {

            XMLWriter writer = new XMLWriter(new FileOutputStream("G:"

                    + File.separator + "new2016.xml"), format);

            writer.write(doc);

            writer.close();

        } catch (UnsupportedEncodingException e)

        {

            // TODO 自动生成的 catch 块

            e.printStackTrace();

        } catch (FileNotFoundException e)

        {

            // TODO 自动生成的 catch 块

            e.printStackTrace();

        } catch (IOException e)

        {

            // TODO 自动生成的 catch 块

            e.printStackTrace();

        }

    }

}

XMLReader.java

package com.ftl.xmlparse;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.util.Iterator;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

public class XMLReader

{

    public static void main(String[] args)

    {

        File file = new File("G:" + File.separator + "new2016.xml");

        SAXReader readr = new SAXReader();

        Document doc = null;

        try

        {

            doc = readr.read(file);

        } catch (DocumentException e)

        {

            // TODO 自动生成的 catch 块

            e.printStackTrace();

        }

        Element root = doc.getRootElement();

        Iterator iter = root.elementIterator();

        while (iter.hasNext())

        {

            Element person = (Element) iter.next();

            System.out.println("图书馆：" + root.elementText("library"));

            System.out.println("人：：" + root.elementText("person"));

            System.out.println("姓名：" + person.elementText("id"));

        }

    }

}

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Java学习---XML的读写操作

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