Spring RedisTemplate操作-ZSet操作

package com.panku.web.redis;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import javax.annotation.Resource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.DataType;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisZSetCommands.Limit;
import org.springframework.data.redis.connection.RedisZSetCommands.Range;
import org.springframework.data.redis.core.DefaultTypedTuple;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ZSetOperations;
import org.springframework.data.redis.core.ZSetOperations.TypedTuple;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
 * Spring RedisTemplate操作-ZSet操作
 * @author ccx
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)  
@ContextConfiguration(locations = "classpath:applicationContext.xml")  
public class RedisTemplateZSet {
    @Resource(name="redisTemplate")
    private RedisTemplate rt;
    
    public void flushdb(){
        rt.execute(new RedisCallback