modiinfoaction.java

struts的例子,主要包括一些标签的使用

package hello.Action;

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 hello.Constants;
import hello.ConnDbo;
import hello.Bean.PersonBean;
import hello.Business.HelloBusiness;
import hello.Form.HelloForm;
/**
 * @author we
 * 
 * 欢迎 Window - Preferences - Java - Code Style - Code Templates
 */
public class ModiInfoAction extends Action {
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        //HttpSession session = request.getSession();
        ConnDbo dbo = new ConnDbo();
        HelloForm frm = (HelloForm) form;
        PersonBean pb = new PersonBean(); 
        
        //验证登录是否成功
        int success = HelloBusiness.validateLogin(dbo, frm);
        if (success==0){//不成功
            ActionMessages actionMessages = new ActionMessages();
		    actionMessages.add(ActionMessages.GLOBAL_MESSAGE,new ActionMessage("error.login"));
		    //request.setAttribute("output","fail");
		    //forward = "page4"; 
		    saveMessages(request,actionMessages);
		    // Remove the Form Bean - don't need to carry values forward
	        
	        request.removeAttribute(mapping.getAttribute());
	        // Forward control to the specified success URI
	        return (mapping.findForward("SayHello"));
        }else{
            
            pb.setUserName(frm.getUserName());//成功
            request.setAttribute(Constants.PERSON_KEY, pb);
            request.removeAttribute(mapping.getAttribute());
            return (mapping.findForward("welcom"));
            
        }
        

       

    }
}