servlet 生成 xml

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XML Servlet log4j Web HTML

package com.highsoft.monitor.down;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;


public class test extends HttpServlet  {

	 public void doGet(HttpServletRequest request, HttpServletResponse response)
	   throws ServletException, IOException {
	  response.setContentType("text/xml;charset=utf-8");
	  PrintWriter out = response.getWriter();

	  String   prefix   =   getServletContext().getRealPath   ("/")   ; 
	  String good= getServletContext().getContextPath();
	  

      //   从Servlet参数读取log4j的配置文件 
 
      
      
     SAXReader reader = new SAXReader(); 
    String path=getServletContext().getRealPath("/")+"WEB-INF\\classes\\test.xml"   ;  //log4j配置文件的路径
   
    
    File file = new File(path);
    if(file.exists()){
    	
    	try{
    	
    	Document document =reader.read(file); //读xml文件
    	Element root= document.getRootElement();//得到根节点
    	Element memberElm=root.element("color");// "member"是节点名
    	String text=memberElm.getText();  //取得节点的文字
    	String text2=root.elementText("name"); //这个是取得根节点下的name字节点的文字.
    	
    	// 取得某节点下名为"color"的所有子节点进行遍历
    	List listRow=document.selectNodes("color");
    	//List nodes=rootElm.elements("member");
    	for(Iterator it=listRow.iterator();it.hasNext();){
    		Element elm=(Element)it.next();
    	 System.out.print(elm);
    	}
    	//4.取得某节点下名为"member"的所有字节点并进行遍历.
//    	List nodes = root.elements("color");
//
//    	for (java.util.Iterator it = nodes.iterator(); it.hasNext();) {
//    	   Element elm = (Element) it.next();
//    	   // do something
//    	   System.out.println(elm);
//    	}
//    	
//    	
    	//对某节点下所有子节点进行遍历
    	
//    	for(Iterator it=root.elementIterator();it.hasNext();){
//    		Element element=(Element)it.next();
//    		//do something
//    	}
    	}catch(Exception e){
    		System.out.print(e.getMessage());
    	}
    }
      
      
   //  String tt =getServletContext().getResource("/WEB-INF/classes/test.xml").toString();
      
     System.out.println   (  path)   ; 
    
	  
	  out.println("<colors>");
	  out.println("<color id='1'>");
			  out.println("<name>burger</name>");
					  out.println("<price>3.95</price>");
							  out.println("</color> ");
					  
							  out.println("<color id='2'>");
							  out.println("<name>di er ge</name>");
									  out.println("<price>3.95</price>");
									  
											  out.println("</color> ");
											  
											  out.println("<color id='3'>");
											  out.println("<name>san ge a @</name>");
													  out.println("<price>3.95</price>");
															  out.println("</color> ");			  
											  
													  out.println("	</colors>  ");

	  

	  out.flush();
	  out.close();
	  

	  
	  
	 }
	 
	 public void doPost(HttpServletRequest request, HttpServletResponse response)
	   throws ServletException, IOException {
	  response.setContentType("text/html");
	  PrintWriter out = response.getWriter();
	  out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
	  out.println("<HTML>");
	  out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
	  out.println("  <BODY>");
	  out.print("    This is ");
	  out.print(this.getClass());
	  out.println(", using the POST method");
	  out.println("  </BODY>");
	  out.println("</HTML>");
	  out.flush();
	  out.close();
	 }
}

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