spring mvc

package net.xiaxin.action; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.validation.BindException; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; import test.LoginForm; public class LoginAction extends SimpleFormController { private String fail_view; private String success_view; @Override protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command, BindException exception) throws Exception { // TODO Auto-generated method stub LoginForm login=(LoginForm)command; if(log(login)==0){ HashMap map=new HashMap(); map.put("login", login); List list=new LinkedList(); list.add("msg1"); list.add("msg2"); list.add("msg3"); map.put("message", list); return new ModelAndView(this.getSuccess_view(),map); } else{ return new ModelAndView(this.getFail_view()); } } private int log(LoginForm login) { if("chenboning".equalsIgnoreCase(login.getUsername())&&"123456".equalsIgnoreCase(login.getPassword())){ return 0; } return 1; } public String getFail_view() { return fail_view; } public void setFail_view(String fail_view) { this.fail_view = fail_view; } public String getSuccess_view() { return success_view; } public void setSuccess_view(String success_view) { this.success_view = success_view; } }