XML写入在本地可以执行但在servlet上不能执行

poisson0106 2013-01-03 09:59:41

如题，在本地的java程序试过了，可以输出，但是写到servlet里，用一个jsp的表单提交转到servlet里再执行怎么也写不出文件了，本以为是eclipse权限问题，但在管理员权限下运行也不行，求教！！
页面：



<%@ page language="java" contentType="text/html; charset=utf-8"

    pageEncoding="utf-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>写入XML</title>

</head>

<body>

<form name="form1" method="post" action="OutXML">

  <input type="submit" name="button" id="button" value="将数据库数据读为XML文件">

</form>

</body>

</html>

servlet



package sjw.pratice;



import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.sql.ResultSet;

import java.sql.ResultSetMetaData;

import java.sql.SQLException;



import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;



import org.dom4j.Document;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.XMLWriter;



@WebServlet("/OutXML")

public class OutXML extends HttpServlet {

	private static final long serialVersionUID = 1L;

       

    public OutXML() {

        super();

        // TODO Auto-generated constructor stub

    }



	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		// TODO Auto-generated method stub

	}



	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{

		MethodOfSQL.GetConnection();

		String demand="select * from contactor";

		ResultSet rs=null;

		try 

		{

			rs=MethodOfSQL.SelectSQL(demand);

		} 

		catch (Exception e) 

		{

			e.printStackTrace();

		}

		Document document=DocumentHelper.createDocument();

		Element root=document.addElement("contactorlist");

		if(rs!=null)

		{

			try 

			{

				while(rs.next())

				{

					Element row=root.addElement("contactor");

					ResultSetMetaData rsmd=rs.getMetaData();

					int columnCount=rsmd.getColumnCount();

					for(int i=1;i<=columnCount;i++)

					{

						Element element = row.addElement(rsmd.getColumnName(i));

						if(rs.getObject(i)!=null)

						{

							element.setText(rs.getObject(i).toString());

						}

						else

						{

							element.setText("");

						}

					}

				}

			} 

			catch (SQLException e) 

			{

				e.printStackTrace();

			}

			try

			{

				XMLWriter writer=new XMLWriter(new FileWriter(new File("contactout.xml")));

				writer.write(document);

				writer.close();

			}

			catch (IOException e)

			{

				e.printStackTrace();

			}

		}

	}

}

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花谢尊前不敢香 2013-01-04

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你web.xml里面如何配置的。

花谢尊前不敢香 2013-01-04

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赖好要配点这样的东西啊

 <servlet>
    <servlet-name>XXX</servlet-name>
    <servlet-class>你的servlet</servlet-class>
  </servlet>
     <servlet-mapping>
  <servlet-name>XXX</servlet-name>
  <url-pattern>/servlet/*</url-pattern>
    </servlet-mapping>

poisson0106 2013-01-04