请问怎么用JSP读取XML文件的内容
刚学，请给个例子，具体点的，谢谢谢谢。 问题点数：0、回复次数：7Top
1 楼tx18（www.sqlserver.com.cn）回复于 2005-04-04 20:57:47 得分 0
import java.io.File;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.parsers.*;
//import com.ibm.xml.parsers.*;
/**
* A sample DOM writer. This sample program illustrates how to
* traverse a DOM tree.
*/
public class domOne
{
public void parseAndPrint(String uri)
{
Document doc = null;
try
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
doc = db.parse(new File(uri));
}
catch (Exception e)
{
System.err.println("Sorry, an error occurred: " + e);
}
// We've parsed the document now, so let's print it.
if (doc != null)
printDOMTree(doc);
}
/** Prints the specified node, recursively. */
public void printDOMTree(Node node)
{
int type = node.getNodeType();
switch (type)
{
// print the document element
case Node.DOCUMENT_NODE:
{
System.out.println("<?xml version=\"1.0\" ?>");
printDOMTree(((Document)node).getDocumentElement());
break;
}
// print element with attributes
case Node.ELEMENT_NODE:
{
System.out.print("<");
System.out.print(node.getNodeName());
NamedNodeMap attrs = node.getAttributes();
for (int i = 0; i < attrs.getLength(); i++)
{
Node attr = attrs.item(i);
System.out.print(" " + attr.getNodeName() +
"=\"" + attr.getNodeValue() +
"\"");
}
System.out.print(">");
NodeList children = node.getChildNodes();
if (children != null)
{
int len = children.getLength();
for (int i = 0; i < len; i++)
printDOMTree(children.item(i));
}
break;
}
// handle entity reference nodes
case Node.ENTITY_REFERENCE_NODE:
{
System.out.print("&");
System.out.print(node.getNodeName());
System.out.print(";");
break;
}
// print cdata sections
case Node.CDATA_SECTION_NODE:
{
System.out.print("<![CDATA[");
System.out.print(node.getNodeValue());
System.out.print("]]>");
break;
}
// print text
case Node.TEXT_NODE:
{
System.out.print(node.getNodeValue());
break;
}
// print processing instruction
case Node.PROCESSING_INSTRUCTION_NODE:
{
System.out.print("<?");
System.out.print(node.getNodeName());
String data = node.getNodeValue();
{
System.out.print(" ");
System.out.print(data);
}
System.out.print("?>");
break;
}
}
if (type == Node.ELEMENT_NODE)
{
System.out.print("</");
System.out.print(node.getNodeName());
System.out.print('>');
}
} // printDOMTree(Node)
/** Main program entry point. */
public static void main(String argv[])
{
if (argv.length == 0)
{
System.out.println("Usage: java domOne uri");
System.out.println(" where uri is the URI of the XML document you want to print.");
System.out.println(" Sample: java domOne sonnet.xml");
System.exit(1);
}
domOne d1 = new domOne();
d1.parseAndPrint(argv[0]);
}
}
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2 楼bestdelphier（菜鸟升级中......）回复于 2005-04-05 01:11:39 得分 0
建议用jdom，实现起来比价容易，而且功能也不弱。Top
3 楼joincsdn（云）回复于 2005-04-05 08:08:23 得分 0
如果XML文件不是太大建议用jdom！！
很容易上手Top
4 楼cutelion（MADEinCNNC）回复于 2005-04-05 08:40:54 得分 0
UPTop
5 楼Goal3（拼命三郎）回复于 2005-04-05 08:45:10 得分 0
jaxp JAVA自带的API接口Top
6 楼OnlyFor_love（『勾勾手指头 一辈子不分手』）回复于 2005-04-05 09:10:11 得分 0
用jdom！Top
7 楼syliang2003（祝天下有情人终成扣肉）回复于 2005-04-05 09:12:59 得分 0
同上,JDOMTop
