基于SSM的校园商铺平台系统实现源码+项目说明.7z

package com.imooc.o2o.cache; import java.util.List; import java.util.Map; import java.util.Set; import redis.clients.jedis.BinaryClient.LIST_POSITION; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.SortingParams; import redis.clients.util.SafeEncoder; public class JedisUtil { /** * 缓存生存时间 */ private final int expire = 60000; /** 操作Key的方法 */ public Keys KEYS; /** 对存储结构为String类型的操作 */ public Strings STRINGS; /** 对存储结构为List类型的操作 */ public Lists LISTS; /** 对存储结构为Set类型的操作 */ public Sets SETS; /** 对存储结构为HashMap类型的操作 */ public Hash HASH; /** Redis连接池对象 */ private JedisPool jedisPool; /** * 获取redis连接池 * * @return */ public JedisPool getJedisPool() { return jedisPool; } /** * 设置redis连接池 * * @return */ public void setJedisPool(JedisPoolWriper jedisPoolWriper) { this.jedisPool = jedisPoolWriper.getJedisPool(); } /** * 从jedis连接池中获取获取jedis对象 * * @return */ public Jedis getJedis() { return jedisPool.getResource(); } /** * 设置过期时间 * * @author xiangze * @param key * @param seconds */ public void expire(String key, int seconds) { if (seconds <= 0) { return; } Jedis jedis = getJedis(); jedis.expire(key, seconds); jedis.close(); } /** * 设置默认过期时间 * * @author xiangze * @param key */ public void expire(String key) { expire(key, expire); } // *******************************************Keys*******************************************// public class Keys { /** * 清空所有key */ public String flushAll() { Jedis jedis = getJedis(); String stata = jedis.flushAll(); jedis.close(); return stata; } /** * 更改key * * @param String * oldkey * @param String * newkey * @return 状态码 */ public String rename(String oldkey, String newkey) { return rename(SafeEncoder.encode(oldkey), SafeEncoder.encode(newkey)); } /** * 更改key,仅当新key不存在时才执行 * * @param String * oldkey * @param String * newkey * @return 状态码 */ public long renamenx(String oldkey, String newkey) { Jedis jedis = getJedis(); long status = jedis.renamenx(oldkey, newkey); jedis.close(); return status; } /** * 更改key * * @param String * oldkey * @param String * newkey * @return 状态码 */ public String rename(byte[] oldkey, byte[] newkey) { Jedis jedis = getJedis(); String status = jedis.rename(oldkey, newkey); jedis.close(); return status; } /** * 设置key的过期时间，以秒为单位 * * @param String * key * @param 时间 * ,已秒为单位 * @return 影响的记录数 */ public long expired(String key, int seconds) { Jedis jedis = getJedis(); long count = jedis.expire(key, seconds); jedis.close(); return count; } /** * 设置key的过期时间,它是距历元（即格林威治标准时间 1970 年 1 月 1 日的 00:00:00，格里高利历）的偏移量。 * * @param String * key * @param 时间 * ,已秒为单位 * @return 影响的记录数 */ public long expireAt(String key, long timestamp) { Jedis jedis = getJedis(); long count = jedis.expireAt(key, timestamp); jedis.close(); return count; } /** * 查询key的过期时间 * * @param String * key * @return 以秒为单位的时间表示 */ public long ttl(String key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); long len = sjedis.ttl(key); sjedis.close(); return len; } /** * 取消对key过期时间的设置 * * @param key * @return 影响的记录数 */ public long persist(String key) { Jedis jedis = getJedis(); long count = jedis.persist(key); jedis.close(); return count; } /** * 删除keys对应的记录,可以是多个key * * @param String * ... keys * @return 删除的记录数 */ public long del(String... keys) { Jedis jedis = getJedis(); long count = jedis.del(keys); jedis.close(); return count; } /** * 删除keys对应的记录,可以是多个key * * @param String * ... keys * @return 删除的记录数 */ public long del(byte[]... keys) { Jedis jedis = getJedis(); long count = jedis.del(keys); jedis.close(); return count; } /** * 判断key是否存在 * * @param String * key * @return boolean */ public boolean exists(String key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); boolean exis = sjedis.exists(key); sjedis.close(); return exis; } /** * 对List,Set,SortSet进行排序,如果集合数据较大应避免使用这个方法 * * @param String * key * @return List<String> 集合的全部记录 **/ public List<String> sort(String key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); List<String> list = sjedis.sort(key); sjedis.close(); return list; } /** * 对List,Set,SortSet进行排序或limit * * @param String * key * @param SortingParams * parame 定义排序类型或limit的起止位置. * @return List<String> 全部或部分记录 **/ public List<String> sort(String key, SortingParams parame) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); List<String> list = sjedis.sort(key, parame); sjedis.close(); return list; } /** * 返回指定key存储的类型 * * @param String * key * @return String string|list|set|zset|hash **/ public String type(String key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); String type = sjedis.type(key); sjedis.close(); return type; } /** * 查找所有匹配给定的模式的键 * * @param String * key的表达式,*表示多个，？表示一个 */ public Set<String> keys(String pattern) { Jedis jedis = getJedis(); Set<String> set = jedis.keys(pattern); jedis.close(); return set; } } // *******************************************Strings*******************************************// public class Strings { /** * 根据key获取记录 * * @param String * key * @return 值 */ public String get(String key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); String value = sjedis.get(key); sjedis.close(); return value; } /** * 根据key获取记录 * * @param byte[] * key * @return 值 */ public byte[] get(byte[] key) { // ShardedJedis sjedis = getShardedJedis(); Jedis sjedis = getJedis(); byte[] value = sjedis.get(key); sjedis.close(); return value; } /** * 添加记录,如果记录已存在将覆盖原有的value * * @param String * key * @param String * value * @return 状态码 */ public String set(String key, String value) { return set(SafeEncoder.encode(key), SafeEncoder.encode(value)); } /** * 添加记录,如果记录已存在将覆盖原有的value * * @param String * key * @param String * value * @return 状态码 */ public String set(String key, byte[] value) { return set(SafeEncoder.encode(key), value); } /** * 添加记录,如果记录已存在将覆盖原有的value * * @param byte[] * key * @param byte[] * value * @return 状态码