checkloginaction.java

该程序能够准确的记录互联网用户上网所用的流量

package com.briup.admin.web.action;

import java.io.PrintWriter;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.briup.admin.service.IAdminService;
import com.briup.common.dao.pojo.Admin;
import com.briup.common.util.MakeXML;

/**
 *class CheckLoginAction
 *@author briup
 *Date 2008-2-27 下午07:17:36
 */

public class CheckLoginAction extends Action {
	IAdminService adminService;
	public void setAdminService(IAdminService adminService){
		this.adminService=adminService;
	}
	public ActionForward execute(ActionMapping mapping,ActionForm form,
			HttpServletRequest request,HttpServletResponse response) throws Exception{
		
		response.setContentType("text/xml");
		response.setCharacterEncoding("UTF-8");
		response.setHeader("Cache-Control","no-cache");
		response.setHeader("Pragma","no-cache");
		PrintWriter out = response.getWriter();
		String name = request.getParameter("username");
		MakeXML make = new MakeXML();
		String xml = null;
		try{
			Admin admin = adminService.findAdmin(name);
			if(admin!=null){
				xml=make.makeXml("该帐号已经存在，请更换...",false);
			}else{
				xml=make.makeXml("该帐号可以使用",true);
			}
			
		}catch(Exception e){
			e.printStackTrace();
		}
		System.out.println(xml);
		out.println(xml);
		out.flush();
		out.close();
		return null;
		
	}
}