countaction.java

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/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package action;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;

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

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 bean.DBConn;
import bean.Util;


public class CountAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		HttpSession session = request.getSession();
		
		if(session.getAttribute("allMessage") == null){
			
			Util util = new Util();
			ArrayList al = util.allMessage();	//从数据库中得到IP信息
			session.setAttribute("allMessage", al);
		    System.out.println("数据库查询");
		    
		}else{
			session.setAttribute("login", "yes");	//防止刷新			
		}
		
		
		return mapping.findForward("index");
	}
}