Spring IOC AOP MVC 简单例子

package org.spring.mvc.demo.action; import java.util.List; import java.util.HashMap; import java.util.LinkedList; import org.spring.mvc.demo.bean.LoginInfo; import org.springframework.validation.BindException; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; public class LoginAction extends SimpleFormController { private String fail_view; private String success_view; public void setFail_view(String fail_view) { this.fail_view = fail_view; } public void setSuccess_view(String success_view) { this.success_view = success_view; } protected ModelAndView onSubmit(Object command, BindException errors) throws Exception { LoginInfo info = (LoginInfo) command; if (login(info) == 0) { HashMap<String, Object> res_Map = new HashMap<String, Object>(); res_Map.put("loginInfo", info); List<String> msg_List = new LinkedList<String>(); msg_List.add("msg1"); msg_List.add("msg2"); msg_List.add("msg3"); res_Map.put("message", msg_List); return new ModelAndView(success_view, res_Map); } else { return new ModelAndView(fail_view); } } private int login(LoginInfo info) { if ("jack".equalsIgnoreCase(info.getUsername()) && "000".equalsIgnoreCase(info.getPassword())) return 0; else return 1; } }