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XML 文件如下：
<?xml version="1.0" encoding="gb2312"?>
<person>
<name> 王小明 </name>
<college> 信息学院 </college>
<telephone>6258113</telephone>
<notes> 男,1955 年生,博士， 95 年调入海南大学 </notes>
</person>
事件回调类 SAXHandler.java
import java.io.*;
import java.util.Hashtable;
import org.xml.sax.*;
public class SAXHandler extends HandlerBase
{
private Hashtable table = new Hashtable();
private String currentElement = null;
private String currentValue = null;
public void setTable(Hashtable table)
{
this.table = table;
}
public Hashtable getTable()
{
return table;
}
public void startElement(String tag,AttributeList attrs)
throws SAXException
{
currentElement = tag;
}
public void characters(char[] ch,int start,int length)
throws SAXException
{
currentValue = new String(ch,start,length);
}
public void endElement(String name) throws SAXException
{
if (currentElement.equals(name))
table.put(currentElement,currentValue);
}
}
JSP 内容显示源码,SaxXml.jsp:
<HTML>
<HEAD>
<TITLE> 剖析 XML 文件 people.xml</TITLE>
</HEAD>
<BODY>
<%@ page errorPage="ErrPage.jsp"
contentType="text/html;charset=GB2312" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.Hashtable" %>
<%@ page import="org.w3c.dom.*" %>
<%@ page import="org.xml.sax.*" %>
<%@ page import="javax.xml.parsers.SAXParserFactory" %>
<%@ page import="javax.xml.parsers.SAXParser" %>
<%@ page import="SAXHandler" %>
<%
File file = new File("c://people.xml");
FileReader reader = new FileReader(file);
Parser parser;
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp = spf.newSAXParser();
SAXHandler handler = new SAXHandler();
sp.parse(new InputSource(reader),handler); Hashtable hashTable = handler.getTable(); out.println("<TABLE BORDER=2><CAPTION> 教师信息表 </CAPTION>"); out.println("<TR><TD> 姓名 </TD>" + "<TD>" + (String)hashTable.get(new String("name")) + "</TD></TR>"); out.println("<TR><TD> 学院 </TD>" + "<TD>" + (String)hashTable.get(new String("college"))+"</TD></TR>"); out.println("<TR><TD> 电话 </TD>" + "<TD>" + (String)hashTable.get(new String("telephone")) + "</TD></TR>"); out.println("<TR><TD> 备注 </TD>" + "<TD>" + (String)hashTable.get(new String("notes")) + "</TD></TR>"); out.println("</TABLE>"); %> </BODY> </HTML> （编辑：李大同）
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