xyiege
3 years ago
2 changed files with 709 additions and 0 deletions
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package cn.chjyj.szwh.utils; |
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import org.springframework.data.redis.connection.RedisConnection; |
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import org.springframework.data.redis.core.Cursor; |
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import org.springframework.data.redis.core.RedisTemplate; |
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import org.springframework.data.redis.core.ScanOptions; |
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import org.springframework.data.redis.serializer.RedisSerializer; |
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import org.springframework.stereotype.Component; |
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import org.springframework.util.CollectionUtils; |
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import javax.annotation.Resource; |
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import java.util.*; |
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import java.util.concurrent.TimeUnit; |
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@Component |
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public class RedisUtil { |
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private static RedisTemplate<String, Object> redisTemplate; |
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private static final String redisPrefix = "szWh"; |
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|
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/** |
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* 注入Redis |
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* |
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* @author fzr |
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* @param redisTemplate Redis对象 |
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*/ |
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@Resource |
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public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) { |
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RedisUtil.redisTemplate = redisTemplate; |
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} |
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/** |
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* 对象句柄 |
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* |
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* @author fzr |
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* @return RedisTemplate |
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*/ |
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public static RedisTemplate<String, Object> handler() { |
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return redisTemplate; |
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} |
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|
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/** |
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* 指定缓存失效时间 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param second 时间(秒) |
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*/ |
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public static void expire(String key, Long second) { |
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key = redisPrefix + key; |
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redisTemplate.expire(key, second, TimeUnit.SECONDS); |
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} |
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|
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/** |
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* 指定缓存失效时间 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param millisecond 时间(毫秒) |
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*/ |
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public static void pExpire(String key, Long millisecond) { |
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key = redisPrefix + key; |
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redisTemplate.expire(key, millisecond, TimeUnit.MILLISECONDS); |
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} |
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/** |
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* 指定缓存永久有效 |
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* |
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* @author fzr |
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* @param key 键 |
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*/ |
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public static void persist(String key) { |
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key = redisPrefix + key; |
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redisTemplate.persist(key); |
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} |
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|
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/** |
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* 根据key获取过期时间 |
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* |
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* @author fzr |
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* @param key 键不能为null |
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* @return 返回0代表为永久有效(秒) |
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*/ |
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public static Long ttl(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.getExpire(key, TimeUnit.SECONDS); |
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} |
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/** |
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* 根据key获取过期时间 |
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* |
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* @author fzr |
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* @param key 键不能为null |
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* @return 返回0代表为永久有效(毫秒) |
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*/ |
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public static Long pTtl(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.getExpire(key, TimeUnit.MILLISECONDS); |
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} |
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|
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/** |
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* 判断key是否存在 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return true=存在,false=不存在 |
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*/ |
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public static Boolean exists(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.hasKey(key); |
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} |
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/** |
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* 删除1个或多个键 |
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* |
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* @author fzr |
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* @param key 键(一个或多个) |
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*/ |
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@SuppressWarnings("unchecked") |
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public static void del(String... key) { |
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if (key.length == 1) { |
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key[0] = redisPrefix + key[0]; |
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redisTemplate.delete(key[0]); |
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} else { |
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for (int i=0; key.length > i; i++) { |
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key[i] = redisPrefix + key[i]; |
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} |
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redisTemplate.delete((Collection<String>) CollectionUtils.arrayToList(key)); |
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} |
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} |
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/** |
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* 给key赋值一个新的key名 |
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* |
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* @author fzr |
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* @param oldKey 旧的key |
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* @param newKey 新的key |
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*/ |
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public static void rename(String oldKey, String newKey) { |
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oldKey = redisPrefix + oldKey; |
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newKey = redisPrefix + newKey; |
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redisTemplate.rename(oldKey, newKey); |
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} |
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/** |
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* 将当前数据库的key移动到给定的数据库db当中 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param db 库 |
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* @return Boolean |
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*/ |
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public static Boolean move(String key, int db) { |
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key = redisPrefix + key; |
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return redisTemplate.move(key, db); |
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} |
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/** |
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* 获取匹配的key值 |
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* |
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* @author fzr |
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* @author fzr |
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* @param pattern 通配符(*, ?, []) |
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* @return Set |
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*/ |
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public static Set<String> keys(String pattern) { |
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return redisTemplate.keys(pattern); |
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} |
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/** |
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* 随机返回一个key |
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* |
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* @author fzr |
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* @author fzr |
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* @return String |
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*/ |
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public static String randomKey() { |
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return redisTemplate.randomKey(); |
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} |
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/* ***************** common end *************** */ |
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/** |
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* 按匹配获取或有KEY |
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* |
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* @author fzr |
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* @param pattern 规则 |
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* @return Set<String> |
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*/ |
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public static Set<String> matchSet(String pattern) { |
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Set<String> keys = new LinkedHashSet<>(); |
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RedisUtil.handler().execute((RedisConnection connection) -> { |
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try (Cursor<byte[]> cursor = connection.scan( |
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ScanOptions.scanOptions() |
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.count(Long.MAX_VALUE) |
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.match(pattern) |
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.build() |
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)) { |
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cursor.forEachRemaining(item -> { |
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keys.add(RedisSerializer.string().deserialize(item)); |
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}); |
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return null; |
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} catch (Exception e) { |
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throw new RuntimeException(e); |
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} |
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}); |
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return keys; |
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} |
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/** |
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* 获取key的值 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return Object |
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*/ |
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public static Object get(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForValue().get(key); |
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} |
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/** |
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* 获取旧值并设置新值 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param newVal 新值 |
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* @return Object |
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*/ |
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public static Object getSet(String key, Object newVal) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForValue().getAndSet(key, newVal); |
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} |
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|
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/** |
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* 设置键值对 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param value 值 |
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*/ |
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public static void set(String key, Object value) { |
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key = redisPrefix + key; |
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redisTemplate.opsForValue().set(key, value); |
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} |
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/** |
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* 设置键值对并设置时间 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param value 值 |
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* @param time time要大于0 如果time小于等于0 将设置无限期 |
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*/ |
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public static void set(String key, Object value, long time) { |
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key = redisPrefix + key; |
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if (time > 0) { |
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redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS); |
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} else { |
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set(key, value); |
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} |
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} |
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/** |
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* 递增 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param delta 要增加几(大于0) |
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* @return Long |
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*/ |
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public static Long incr(String key, long delta) { |
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if (delta < 0) { |
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throw new RuntimeException("递增因子必须大于0"); |
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} |
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key = redisPrefix + key; |
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return redisTemplate.opsForValue().increment(key, delta); |
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} |
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/** |
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* 递减 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param delta 要减少几(小于0) |
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* @return Long |
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*/ |
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public static Long decr(String key, long delta) { |
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if (delta < 0) { |
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throw new RuntimeException("递减因子必须大于0"); |
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} |
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key = redisPrefix + key; |
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return redisTemplate.opsForValue().increment(key, -delta); |
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} |
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/* ***************** String end *************** */ |
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/** |
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* 获取key中field域的值 |
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* |
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* @author fzr |
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* @param key 键 不能为null |
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* @param field 项 不能为null |
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* @return 值 |
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*/ |
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public static Object hGet(String key, String field) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().get(key, field); |
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} |
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/** |
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* 判断key中有没有field域名 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param field 字段 |
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* @return Boolean |
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*/ |
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public static Boolean hExists(String key, Object field) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().hasKey(key, field); |
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} |
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|
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/** |
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* 获取hashKey对应的所有键值 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return 对应的多个键值 |
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*/ |
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public Map<Object, Object> hmGet(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().entries(key); |
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} |
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/** |
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* 设置field1->N个域,对应的值是value1->N |
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* |
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* @author fzr |
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* @param key 键 |
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* @param map 对应多个键值 |
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*/ |
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public static void hmSet(String key, Map<String, Object> map) { |
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key = redisPrefix + key; |
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redisTemplate.opsForHash().putAll(key, map); |
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} |
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/** |
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* HashSet 并设置时间 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param map 对应多个键值 |
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* @param time 时间(秒) |
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*/ |
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public static void hmSet(String key, Map<String, Object> map, long time) { |
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key = redisPrefix + key; |
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redisTemplate.opsForHash().putAll(key, map); |
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if (time > 0) { |
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expire(key, time); |
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} |
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} |
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|
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/** |
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* 向一张hash表中放入数据,如果不存在将创建 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param item 项 |
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* @param value 值 |
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*/ |
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public static void hSet(String key, String item, Object value) { |
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key = redisPrefix + key; |
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redisTemplate.opsForHash().put(key, item, value); |
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} |
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/** |
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* 向一张hash表中放入数据,如果不存在将创建 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param item 项 |
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* @param value 值 |
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* @param time 时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间 |
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* @return true 成功 false失败 |
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*/ |
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public static boolean hSet(String key, String item, Object value, long time) { |
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key = redisPrefix + key; |
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redisTemplate.opsForHash().put(key, item, value); |
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if (time > 0) { |
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expire(key, time); |
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} |
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return true; |
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} |
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|
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/** |
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* 删除hash表中的值 |
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* |
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* @author fzr |
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* @param key 键 不能为null |
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* @param item 项 可以使多个 不能为null |
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*/ |
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public static void hDel(String key, Object... item) { |
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key = redisPrefix + key; |
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redisTemplate.opsForHash().delete(key, item); |
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} |
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|
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/** |
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* 判断hash表中是否有该项的值 |
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* |
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* @author fzr |
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* @param key 键 不能为null |
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* @param item 项 不能为null |
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* @return true 存在 false不存在 |
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*/ |
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public static boolean hHasKey(String key, String item) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().hasKey(key, item); |
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} |
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|
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/** |
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* hash递增 如果不存在,就会创建一个并把新增后的值返回 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param item 项 |
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* @param by 要增加几(大于0) |
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* @return double |
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*/ |
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public static double hIncr(String key, String item, long by) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().increment(key, item, by); |
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} |
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|
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/** |
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* hash递减 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param item 项 |
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* @param by 要减少记(小于0) |
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* @return double |
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*/ |
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public static double hDecr(String key, String item, long by) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForHash().increment(key, item, -by); |
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} |
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|
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/* ***************** Map end *************** */ |
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|
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/** |
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* 根据key获取Set中的所有值 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return Set |
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*/ |
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public static Set<Object> sGet(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().members(key); |
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} |
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|
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/** |
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* 根据value从一个set中查询,是否存在 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param value 值 |
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* @return true 存在 false不存在 |
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*/ |
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public Boolean sHasKey(String key, Object value) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().isMember(key, value); |
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} |
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|
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/** |
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* 将数据放入set缓存 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param values 值 可以是多个 |
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* @return 成功个数 |
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*/ |
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public static Long sSet(String key, Object... values) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().add(key, values); |
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} |
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|
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/** |
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* 将set数据放入缓存 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param time 时间(秒) |
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* @param values 值 可以是多个 |
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* @return 成功个数 |
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*/ |
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public Long sSetAndTime(String key, long time, Object... values) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().add(key, values); |
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} |
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|
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/** |
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* 获取set缓存的长度 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return Long |
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*/ |
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public Long sGetSetSize(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().size(key); |
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} |
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|
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/** |
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* 移除值为value的 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param values 值 可以是多个 |
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* @return 移除的个数 |
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*/ |
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public Long setRemove(String key, Object... values) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForSet().remove(key, values); |
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} |
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|
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/* ***************** Set end *************** */ |
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|
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/** |
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* 获取list缓存的内容 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param start 开始 |
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* @param end 结束 0 到 -1代表所有值 |
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* @return List |
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*/ |
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public List<Object> lGet(String key, long start, long end) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForList().range(key, start, end); |
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} |
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|
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/** |
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* 获取list缓存的长度 |
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* |
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* @author fzr |
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* @param key 键 |
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* @return Long |
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*/ |
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public Long lGetListSize(String key) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForList().size(key); |
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} |
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|
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/** |
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* 通过索引获取list中的值 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param index 索引 index>=0时,0 表头，1 第二个元素,依次类推;index<0时,-1,表尾,-2倒数第二个元素，依次类推 |
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* @return Object |
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*/ |
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public Object lGetIndex(String key, long index) { |
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key = redisPrefix + key; |
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return redisTemplate.opsForList().index(key, index); |
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} |
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|
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/** |
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* 将list放入缓存 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param value 值 |
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* @return boolean |
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*/ |
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public boolean lSet(String key, Object value) { |
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key = redisPrefix + key; |
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redisTemplate.opsForList().rightPush(key, value); |
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return true; |
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} |
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|
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/** |
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* 将list放入缓存 |
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* |
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* @author fzr |
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* @param key 键 |
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* @param value 值 |
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* @param second 时间(秒) |
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* @return boolean |
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*/ |
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public boolean lSet(String key, Object value, long second) { |
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key = redisPrefix + key; |
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redisTemplate.opsForList().rightPush(key, value); |
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if (second > 0) |
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expire(key, second); |
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return true; |
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} |
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|
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/** |
|||
* 将list放入缓存 |
|||
* |
|||
* @author fzr |
|||
* @param key 键 |
|||
* @param value 值 |
|||
* @return boolean |
|||
*/ |
|||
public boolean lSet(String key, List<Object> value) { |
|||
key = redisPrefix + key; |
|||
redisTemplate.opsForList().rightPushAll(key, value); |
|||
return true; |
|||
} |
|||
|
|||
/** |
|||
* 将list放入缓存 |
|||
* |
|||
* @author fzr |
|||
* @param key 键 |
|||
* @param value 值 |
|||
* @param time 时间(秒) |
|||
* @return boolean |
|||
*/ |
|||
public boolean lSet(String key, List<Object> value, Long time) { |
|||
key = redisPrefix + key; |
|||
redisTemplate.opsForList().rightPushAll(key, value); |
|||
if (time > 0) |
|||
expire(key, time); |
|||
return true; |
|||
} |
|||
|
|||
/** |
|||
* 根据索引修改list中的某条数据 |
|||
* |
|||
* @author fzr |
|||
* @param key 键 |
|||
* @param index 索引 |
|||
* @param value 值 |
|||
* @return boolean |
|||
*/ |
|||
public boolean lUpdateIndex(String key, Long index, Object value) { |
|||
key = redisPrefix + key; |
|||
redisTemplate.opsForList().set(key, index, value); |
|||
return true; |
|||
} |
|||
|
|||
/** |
|||
* 移除N个值为value |
|||
* |
|||
* @author fzr |
|||
* @param key 键 |
|||
* @param count 移除多少个 |
|||
* @param value 值 |
|||
* @return 移除的个数 |
|||
*/ |
|||
public Long lRemove(String key, Long count, Object value) { |
|||
key = redisPrefix + key; |
|||
return redisTemplate.opsForList().remove(key, count, value); |
|||
} |
|||
|
|||
} |
|||
@ -0,0 +1,48 @@ |
|||
package cn.chjyj.szwh; |
|||
|
|||
import cn.chjyj.szwh.utils.RedisKeys; |
|||
import cn.chjyj.szwh.utils.RedisUtil; |
|||
import cn.chjyj.szwh.utils.RedisUtils; |
|||
import com.alibaba.fastjson2.JSONObject; |
|||
import org.junit.Test; |
|||
import org.junit.runner.RunWith; |
|||
import org.springframework.boot.test.context.SpringBootTest; |
|||
import org.springframework.test.context.junit4.SpringRunner; |
|||
|
|||
import java.util.HashMap; |
|||
import java.util.Map; |
|||
|
|||
@SpringBootTest |
|||
@RunWith(SpringRunner.class) |
|||
public class OtherTest { |
|||
/** |
|||
* write redis data |
|||
*/ |
|||
@Test |
|||
public void redisTest(){ |
|||
// Map car =new HashMap<>();
|
|||
// car.put("goods_isli","5550000");
|
|||
// car.put("useryear",10);
|
|||
|
|||
// JSONObject rjson =new JSONObject(car);
|
|||
JSONObject rjson = new JSONObject(); |
|||
rjson.put("goods_isli","00ccTe"); |
|||
rjson.put("useyear",10); |
|||
//
|
|||
String key="xccTest"; |
|||
RedisUtil.set(key,rjson.toJSONString()); |
|||
} |
|||
|
|||
@Test |
|||
public void readredis(){ |
|||
Object ss = RedisUtil.get("xccTest"); |
|||
JSONObject outjson =JSONObject.parseObject(ss.toString()); |
|||
System.out.println(outjson.getString("useyear")); |
|||
} |
|||
|
|||
@Test |
|||
public void alRedis(){ |
|||
String ss =RedisKeys.getSysConfigKey("ss"); |
|||
System.out.println(ss); |
|||
} |
|||
} |
|||
Loading…
Reference in new issue