updatevisitor.java

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/**
 * UpdateVisitor.java
 * author:liuhaijing
 * @version 1.0
 */
 
 package mydesign;//包名

import java.io.*;
import mydesign.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class UpdateVisitor extends HttpServlet
{
  
    //Initialize global variables
    public void init() throws ServletException 
    {
    }
    
    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException 
    {
    	HttpSession session=request.getSession(true);
        request.setCharacterEncoding("gb2312");
        response.setContentType("text/html; charset=gb2312");
        PrintWriter out = response.getWriter();
        
        Visitor visitor=(Visitor)session.getAttribute("visitor");
        VisitorControl visitorcontrol=new VisitorControl();
        
        String visitornm=request.getParameter("visitornm");
        String guanxi=request.getParameter("guanxi");
        String zhengjian=request.getParameter("zhengjian");;
        String zjnm=request.getParameter("zjnm");
        String visittime=request.getParameter("visittime");
        String inturn=request.getParameter("inturn");

      
		//处理数据
        try
        {
        	visitor.setVisitornm(visitornm);
        	visitor.setGuanxi(guanxi);
        	visitor.setZhengjian(zhengjian);
        	visitor.setZjnm(zjnm);
        	visitor.setVisittime(visittime);
        	visitor.setInturn(inturn);
        	out.print(visitorcontrol.UpdateVisitor(visitor));
        	visitorcontrol.close();
        	session.setAttribute("visitor",null);
        	out.print("<script>alert('成功修改！');window.location.href='/MyDesign/SearchVisitor'</script>");
        }
        catch(Exception e)
        {
            System.out.print("UpdateVisitorServlet error:"+e.getMessage());            
        }
        finally
        {  
        }
    }
    
    //Clean up resources
    public void destroy()
    {
    }
}