这里采用的是spring3.2、ehcache2.7、tomcat7.0(必须)

1.web.xml

    
    	
     	
     		
      
       SpringMVC
      		
      
       org.springframework.web.servlet.DispatcherServlet
      		
      			
       
        contextConfigLocation
       			
       
        classpath:applicationContext.xml
       		
      		
      
       1
      	
     	
     		
      
       SpringMVC
      		
      
       /
      	
     
    

2.applicationContext.xml

3.ehcache.xml

4.UserController.java

package com.controller;import net.sf.ehcache.CacheManager;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import com.service.UserService;@Controllerpublic class UserController{	@Autowired	private UserService userService;	@Autowired	private CacheManager cacheManager;	@RequestMapping(value = "test", method = RequestMethod.GET)	public String test()	{		System.out.println(cacheManager.getCache("myCache").get("test"));		userService.test();		return "hello";	}}

6.UserService.java

package com.service;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.cache.annotation.Cacheable;import org.springframework.stereotype.Service;import com.dao.UserDao;import com.model.User;@Servicepublic class UserService{	@Autowired	private UserDao userDao;	@Cacheable(value = "myCache", key = "'test'")	public List
    
      test()	{		System.out.println("select from db");		return userDao.test();	}}
    

7.UserDao.java

package com.dao;import java.util.ArrayList;import java.util.List;import org.springframework.stereotype.Repository;import com.model.User;@Repositorypublic class UserDao{	private List
    
      userlist;	private User user;	public UserDao()	{		userlist = new ArrayList
     
      ();		user = new User();		user.setId(0);		userlist.add(user);		user = new User();		user.setId(1);		userlist.add(user);		user = new User();		user.setId(2);		userlist.add(user);		user = new User();		user.setId(3);		userlist.add(user);	}	public List
      
        test()	{		return userlist;	}}
      
     
    

8.User.java

package com.model;import java.io.Serializable;public class User implements Serializable{	/**	 * 	 */	private static final long serialVersionUID = 5104855734772499069L;	private int id;	public int getId()	{		return id;	}	public void setId(int id)	{		this.id = id;	}	@Override	public String toString()	{		return "User [id=" + id + "]";	}}

9.浏览器输入，第一次输出null,select from db,第二次输出[cache.........]

PS:其实，你不会发现没有 5. = =

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