loginaction.java

Struts2一个应用示例。主要是加深对Struts2d的一个理解。希望对初学者有所帮助。

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

import javax.servlet.ServletContext;
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.business.BusinessService;

import com.struts.form.LoginForm;

/** 
 * MyEclipse Struts
 * Creation date: 03-15-2008
 * 
 * XDoclet definition:
 * @struts.action path="/login" name="loginForm" input="/login.jsp" scope="request" validate="true"
 * @struts.action-forward name="ok" path="/mainpage.jsp" contextRelative="true"
 * @struts.action-forward name="error" path="/error.jsp" redirect="true"
 */
public class LoginAction extends Action {
	/*
	 * Generated Methods
	 */
	private BusinessService busService;
	public BusinessService getBusService() {
		return busService;
	}
	public void setBusService(BusinessService busService) {
		this.busService = busService;
	}
	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub
		LoginForm user=busService.getUserBus().checkUser(loginForm);
		ServletContext context=request.getSession().getServletContext();
		if(user!=null)
		{
			context.setAttribute("currentuser", user);
			return mapping.findForward("ok");
		}
		return mapping.findForward("error");
	}
}