loginaction.java

基于Sturts的DispatchAction的消息管理系统

package com.bjsxt.messages.web.actions;

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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.bjsxt.messages.MessageException;
import com.bjsxt.messages.manager.LoginManager;
import com.bjsxt.messages.model.User;
import com.bjsxt.messages.web.forms.LoginActionForm;

public class LoginAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		
		LoginActionForm loginForm = (LoginActionForm)form;
		
		try {
			User user = LoginManager.newInstance().login(loginForm.getUsername(),loginForm.getPassword());
			request.getSession().setAttribute("login",user);
		} catch (MessageException e) {
			e.printStackTrace();
			
			//异常处理
			ActionMessages messages = new ActionMessages();
			messages.add("error",new ActionMessage(e.getCode()));
			
			this.saveMessages(request,messages);
			
			return mapping.getInputForward();
			//return mapping.findForward("login");
		}
		
		return mapping.findForward("index");
	}

}