UserController.java 代码：

package com.edw.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.edw.entity.User;
import com.edw.service.IUserManager;

@Controller   //类似Struts的Action
@RequestMapping("/user")
public class UserController {

	@Resource(name="userManager")  // 获取spring配置文件中bean的id为userManager的，并注入
	private IUserManager userManager;

	@RequestMapping("/addUser")   // 请求url地址映射，类似Struts的action-mapping
	public String addUser(HttpServletRequest request){
		System.out.println(request.getParameter("name").trim());
		if(userManager.addUser(new User(request.getParameter("name").trim())))
		{
			// 重定向
			return "redirect:/user/getAllUser";
		}else
		{
			return "/fail";
		}

	}

	@RequestMapping("/updateUser")
	public String updateUser(User user,HttpServletRequest request){
		//String result = "{\"result\":\"error\"}";
		if (userManager.updateUser(user))
		{
			user = userManager.getOneUser(user);
			request.setAttribute("user", user);
			//result = "{\"result\":\"success\"}";
			return "/UserEdit";
		}else
		{
			return "/fail";
		}

	}

	@RequestMapping("/delUser")
	public void delUser(User user,HttpServletResponse response){
		String result = "{\"result\":\"error\"}";

		if(userManager.delUser(user)){
			result = "{\"result\":\"success\"}";
		}
		PrintWriter out = null;
		response.setContentType("application/json");

		try {
			out = response.getWriter();
			out.write(result);
		} catch (IOException e) {
			e.printStackTrace();
		}

	}
	@RequestMapping("/toAddUser")
	public String toAddUser(){
		return "/UserAdd";
	}

	@RequestMapping("/toUpdateUser")
	public String toUpdateUser(User user,HttpServletRequest request){
		User user1=userManager.getOneUser(user);

		request.setAttribute("user1", user1);

		return "/UserEdit";
	}

	@RequestMapping("/getAllUser")
	public String getAllUser(HttpServletRequest request){

		List userList=userManager.getAllUser();

		request.setAttribute("userlist", userList);

		return "/UserMain";
	}

}

<pre name="code" class="java"><strong><span style="color:#ff0000;">UserDao.java</span> 代码：</strong>

<pre name="code" class="java">

package com.edw.dao;

import java.util.List;

import javax.annotation.Resource;

import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;

import com.edw.entity.User;

@Repository
public class UserDao implements IUserDao {
	private SessionFactory sessionFactory;

	@Resource
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	@Override
	public User getUser(long i) {

		String hql = "from User u where u.id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setLong(0, i);

		return (User) query.uniqueResult();
	}

	@Override
	public List<User> getAllUser() {

		String hql = "from User";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);

		return query.list();
	}

	@Override
	public boolean addUser(User user) {
		try{
			sessionFactory.getCurrentSession().save(user);
		}catch(Exception e){
			e.printStackTrace();
			return false;
		}
		return true;

	}

	@Override
	public boolean delUser(long id) {

		String hql = "delete User u where u.id = ?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setLong(0, id);

		return (query.executeUpdate() > 0);
	}

	@Override
	public boolean updateUser(User user) {

		String hql = "update User u set u.name = ? where u.id = ?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setString(0, user.getName());
		// query.setString(1, user.getAge());
		query.setLong(1, user.getId());

		return (query.executeUpdate() > 0);
	}

}

User.java 代码：

package com.edw.entity;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="t_user")
public class User {
	private int id;
	private String name;

	public User(){

	}

	public User(String name){
		this.name = name;
	}

	@GeneratedValue
	@Id
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
}

UserManager.java 代码：

package com.edw.service;

import java.util.List;

import javax.annotation.Resource;

import com.edw.dao.UserDao;
import com.edw.entity.User;

public class UserManager implements IUserManager{

	private UserDao userDao;

	@Resource
	public void setUserDao(UserDao userDao){
		this.userDao = userDao;
	}

	@Override
	public boolean updateUser(User user) {
		return userDao.updateUser(user);
	}

	@Override
	public User getOneUser(User user) {
		return userDao.getUser(user.getId());
	}

	@Override
	public boolean delUser(User user) {
		return userDao.delUser(user.getId());
	}

	@Override
	public boolean addUser(User user) {
		return userDao.addUser(user);
	}

	@Override
	public List getAllUser() {
		return userDao.getAllUser();
	}

}

jsp页面部分就不一一给出了，需要的亲可以去 http://download.csdn.net/detail/edwards_june/7876119 下载。。。

总结：

本人也是刚起步学SpringMvc,先前的SSH项目真心庞大,struts中包含了大量无关的jar包，springMVC中基本能胜任，也大大减轻了项目大小，不过也不能认为struts不好,毕竟任何事都有它好的一面，只在与我们在项目中需要什么和谁能提供较好的支持--权衡与折中.本次项目搭建中如有不足之处，希望大家可以提出一起学习，谢谢!!!