modifyaction.java

jsp+struct网上订票系统

package action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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 org.apache.struts.action.Action;
import orm.Us;
import bean.ModifyBean;
import dao.ModifyDao;
public class ModifyAction extends Action {
	ActionMessages errors = new ActionMessages();
	private ModifyDao modifydao;

	public ModifyDao getModifydao() {
		return modifydao;
	}
	public void setModifydao(ModifyDao modifydao) {
		this.modifydao= modifydao;
	}
	public ActionForward execute(ActionMapping map, ActionForm form, HttpServletRequest request, HttpServletResponse servlet) throws Exception {
		Long id = (Long)request.getSession().getAttribute("curr_id");
		String account_id = (String)request.getSession().getAttribute("curr_user");
		String pwd= null;
		pwd=request.getParameter("oldpwd");
		String newpwd = request.getParameter("newpwd");
		pwd= new String(pwd.getBytes("ISO-8859-1"),"GB2312");
		newpwd= new String(newpwd.getBytes("ISO-8859-1"),"GB2312");
		if(!modifydao.Isexist(account_id,pwd)){
			errors.add("fail_2",new ActionMessage("psw.error"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		Us user=new Us();
		
		if(!modifydao.updatepwd(id,newpwd))
		{     
			errors.add("fail_1",new ActionMessage("modify.fail"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		else
		{
			errors.add("fail_3",new ActionMessage("modify.success"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		
		}
}