loginaction.java

struts框架的演示示例,虽然简单但很有启发性,值得一看

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package prj10_1.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 po.Customer;
import prj10_1.form.LoginForm;
import dao.CustomerDao;

public class LoginAction extends Action {

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub
		String account = loginForm.getAccount();
		String password = loginForm.getPassword();
		CustomerDao cdao = new CustomerDao();
		Customer cus = cdao.getCustomerByAccount(account);
		
		ActionMessages errors = new ActionMessages();
		if(cus==null || !cus.getPassword().equals(password)){//登陆不成功
			ActionMessage error = new ActionMessage("error.login");
			errors.add("login",error);
			this.saveErrors(request, errors);
			return mapping.getInputForward();
		}
		request.getSession().setAttribute("cus", cus);
		
		return new ActionForward("/ope.jsp");
	}
}