loginaction.java

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/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package prj7_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 prj7_1.form.LoginForm;

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();
		if(account.equals("JohnKate")){
			ActionMessages errors = new ActionMessages();
			ActionMessage error = new ActionMessage("error.login",account);
			errors.add("login",error);//第一个参数是对这个error加一个属性标记	
			this.saveErrors(request, errors);	//将errors保存起来
			return mapping.getInputForward();
		}
		return null;
	}
}