Spring RedisTemplate操作-序列化操作

package com.panku.web.redis;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.StopWatch;

import com.panku.web.entity.User;
/**
 * Spring RedisTemplate操作-序列化操作
 * @author ccx
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)  
@ContextConfiguration(locations = "classpath:applicationContext.xml")  
public class RedisTemplateSerializeUtil {
    @Autowired
    @Qualifier("redisTemplate")
    private RedisTemplate stringredisTemplate;
    
    @Autowired
    @Qualifier("jdkredisTemplate")
    private RedisTemplate jdkredisTemplate;
    
    @Autowired
    @Qualifier("jacksonredisTemplate")
    private RedisTemplate jacksonredisTemplate;

    public void flushdb(){
        stringredisTemplate.execute(new RedisCallback