login.java

一个mvcjava的简单例子

package com.gc.action;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
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 org.apache.log4j.Logger;

public class Login extends SimpleFormController{
	private Logger logger = Logger.getLogger(this.getClass().getName());
	
	public ModelAndView onSubmit(Object command,BindException errors) throws Exception
	{
		User user = (User)command;
		
		System.out.println("aaa:"+user.getUsername());
		
		Map model = errors.getModel();
		model.put("user",user);
		return new ModelAndView(getSuccessView(),model);
	}
}