package com.shopping.app.util;import org.apache.log4j.Logger;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Qualifier;import org.springframework.stereotype.Service;import redis.clients.jedis.*;import java.util.List;import java.util.Map;import java.util.Set;import redis.clients.jedis.BinaryClient.LIST_POSITION;import redis.clients.util.SafeEncoder;@Servicepublic class RedisManager {    @Autowired    @Qualifier("jedisPool")    JedisPool jedisPool;    private Logger log = Logger.getLogger(this.getClass());    /** 操作Key的方法 */    public Keys KEYS = new Keys();    /** 对存储结构为String类型的操作 */    public Strings STRINGS = new Strings();    /** 对存储结构为List类型的操作 */    public Lists LISTS = new Lists();    /** 对存储结构为Set类型的操作 */    public Sets SETS =new Sets();    /** 对存储结构为HashMap类型的操作 */    public Hash HASH = new Hash();    /** 对存储结构为Set(排序的)类型的操作 */    public SortSet SORTSET = new SortSet();public  Long orderId(String prefix){        Jedis jedis = jedisPool.getResource();        String key = "tl_order_id" + prefix;        String orderId = null;        try {            Long index = jedis.incr(key);   //00001            orderId = prefix + String.format("%1$05d", index);        }catch(Exception e){            System.out.println("生成订单号异常");        }finally {            if(null != jedis){                jedis.close();            }        }        return Long.valueOf(orderId);    }}

 

package com.shopping.test;import com.shopping.app.util.RedisManager;import org.springframework.beans.factory.annotation.Autowired;import redis.clients.jedis.Jedis;import java.util.Calendar;import java.util.Date;public class Test {    @Autowired    RedisManager redisManager;    public static String getOrderIDPrefix(Date date){        Calendar c = Calendar.getInstance();        c.setTime(date);        int year = c.get(Calendar.YEAR);        int day = c.get(Calendar.DAY_OF_YEAR);  //从今天属于今年的第多少天？365 2位 3位 267 001        int hour = c.get(Calendar.HOUR_OF_DAY);        String dayFmt = String.format("%1$03d", day);        String hourFmt = String.format("%1$02d", hour);        return (year - 2000) + dayFmt + hourFmt;    }

}

String prefix= Test.getOrderIDPrefix(new Date());        System.out.println(prefix);        String orderId=redisManager.orderId(prefix).toString();        System.out.println("生成的订单号："+orderId);