关于XML的解析__printwriter_println_import_c_name_java_

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关于XML的解析

来源: 互联网发布时间：2017-03-22

本文导语: import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.util.*; import java.sql.Date; import java.net.*; import org.xml.sax.*; import javax.xml.parsers .*; import org.w3c.dom.*; public class get_xml_value extends HttpServlet { public void s...

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.sql.Date;
import java.net.*;
import org.xml.sax.*;
import javax.xml.parsers .*;
import org.w3c.dom.*;

public class get_xml_value extends HttpServlet
{
public void service(HttpServletRequest req, HttpServletResponse resp) throws IOException
{   PrintWriter printwriter=resp.getWriter();
String c_name=null;

try{
c_name="a";
DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
c_name="b";
DocumentBuilder parser=factory.newDocumentBuilder();
c_name="c";
Document doc=parser.parse(new InputSource(req.getReader()));

   c_name="d";

      // c_name=req.getReader().toString();

          c_name=doc.getElementsByTagName("phone").item(0).getNodeValue();

      /*
resp.setContentType("application/xml");

printwriter.println("");
printwriter.println("");

        printwriter.println("");
        printwriter.println("00001");
        printwriter.println(""+c_name+"");
        printwriter.println("767843");
        printwriter.println("4343");
        printwriter.println("4343");
        printwriter.println("");
        printwriter.println("");

*/
}
catch(Exception exc)
{
printwriter.println(exc.toString()+c_name);
printwriter.flush();

}
    }
}

报错:
java.lang.IllegalArgumentException: sun.io.ByteToCharUTF-8

请说明详细错误信息,程序中哪行报的错

jkb版本问题。

printwriter.println("");