generatetokenaction.java

用STRUTS解决重复提交问题

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

import java.util.Random;

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;

/** 
 * MyEclipse Struts
 * Creation date: 09-01-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class GenerateTokenAction extends Action
{
	/*脱离STRUTS的方法
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Random r=new Random();
		Integer i=new Integer(r.nextInt(100));
		System.out.println("generator"+i);
		request.getSession().setAttribute("token",i);
		return mapping.findForward("register");
	}*/
	
	//下边的是用STRUTS方法作的。
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
	      super.saveToken(request);//产生TOKEN并放在SESSION中
	      return mapping.findForward("register");
	
	
	
}}