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| import com.alibaba.fastjson2.JSON; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.connection.RedisConnection; import org.springframework.data.redis.connection.RedisConnectionFactory; import org.springframework.data.redis.core.*; import org.springframework.stereotype.Component;
import java.util.*; import java.util.concurrent.TimeUnit;
@Slf4j @Component public class RedisUtil {
private final StringRedisTemplate stringRedisTemplate; private final RedisTemplate<String, Object> redisTemplate;
@Autowired public RedisUtil(StringRedisTemplate stringRedisTemplate, RedisTemplate<String, Object> redisTemplate) { this.stringRedisTemplate = stringRedisTemplate; this.redisTemplate = redisTemplate; }
public void setStr(String key, String value) { stringRedisTemplate.opsForValue().set(key, value); }
public void setStr(String key, String value, long time) { stringRedisTemplate.opsForValue().set(key, value, time, TimeUnit.MINUTES); }
public void setStr(String key, String value, long time, TimeUnit timeUnit) { stringRedisTemplate.opsForValue().set(key, value, time, timeUnit); }
public String getStr(String key) { return key == null ? null : stringRedisTemplate.opsForValue().get(key); }
public <T> T getStr(String key, Class<T> clazz) { return key == null ? null : JSON.parseObject(stringRedisTemplate.opsForValue().get(key), clazz); }
public void deleteStr(String key) { stringRedisTemplate.delete(key); }
public void setObj(String key, Object value) { redisTemplate.opsForValue().set(key, value); }
public void setObj(String key, Object value, long time) { redisTemplate.opsForValue().set(key, value, time, TimeUnit.MINUTES); }
public void setObj(String key, Object value, long time, TimeUnit timeUnit) { redisTemplate.opsForValue().set(key, value, time, timeUnit); }
public Object getObj(String key) { return key == null ? null : redisTemplate.opsForValue().get(key); }
public <T> T getObj(String key, Class<T> clazz) { return key == null ? null : (T) redisTemplate.opsForValue().get(key); }
public void deleteObj(String key) { redisTemplate.delete(key); }
public List<String> scan(String pattern) { ScanOptions options = ScanOptions.scanOptions().match(pattern).build(); RedisConnectionFactory factory = redisTemplate.getConnectionFactory(); RedisConnection rc = Objects.requireNonNull(factory).getConnection(); Cursor<byte[]> cursor = rc.scan(options); List<String> result = new ArrayList<>(); while (cursor.hasNext()) { result.add(new String(cursor.next())); } try { RedisConnectionUtils.releaseConnection(rc, factory); } catch (Exception e) { e.printStackTrace(); } return result; }
public boolean expire(String key, long time) { try { if (time > 0) { redisTemplate.expire(key, time, TimeUnit.SECONDS); } } catch (Exception e) { e.printStackTrace(); return false; } return true; }
public boolean expire(String key, long time, TimeUnit timeUnit) { try { if (time > 0) { redisTemplate.expire(key, time, timeUnit); } } catch (Exception e) { e.printStackTrace(); return false; } return true; }
public long getExpire(String key) { return redisTemplate.getExpire(key, TimeUnit.SECONDS); }
public List<String> findKeysForPage(String patternKey, int page, int size) { ScanOptions options = ScanOptions.scanOptions().match(patternKey).build(); RedisConnectionFactory factory = redisTemplate.getConnectionFactory(); RedisConnection rc = Objects.requireNonNull(factory).getConnection(); Cursor<byte[]> cursor = rc.scan(options); List<String> result = new ArrayList<>(size); int tmpIndex = 0; int fromIndex = page * size; int toIndex = page * size + size; while (cursor.hasNext()) { if (tmpIndex >= fromIndex && tmpIndex < toIndex) { result.add(new String(cursor.next())); tmpIndex++; continue; } if (tmpIndex >= toIndex) { break; } tmpIndex++; cursor.next(); } try { RedisConnectionUtils.releaseConnection(rc, factory); } catch (Exception e) { e.printStackTrace(); } return result; }
public boolean hasKey(String key) { try { return redisTemplate.hasKey(key); } catch (Exception e) { e.printStackTrace(); return false; } }
public void del(String... keys) { if (keys != null && keys.length > 0) { if (keys.length == 1) { boolean result = redisTemplate.delete(keys[0]); log.debug("--------------------------------------------"); log.debug("删除缓存:{},结果:{}", keys[0], result); log.debug("--------------------------------------------"); } else { Set<String> keySet = new HashSet<>(); for (String key : keys) { keySet.addAll(redisTemplate.keys(key)); } long count = redisTemplate.delete(keySet); log.debug("--------------------------------------------"); log.debug("成功删除缓存:{}", keySet.toString()); log.debug("缓存删除数量:{}个", count); log.debug("--------------------------------------------"); } } }
public Object get(String key) { return key == null ? null : redisTemplate.opsForValue().get(key); }
public List<Object> multiGet(List<String> keys) { return redisTemplate.opsForValue().multiGet(keys); }
public boolean set(String key, Object value) { try { redisTemplate.opsForValue().set(key, value); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean set(String key, Object value, long time) { try { if (time > 0) { redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS); } else { set(key, value); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean set(String key, Object value, long time, TimeUnit timeUnit) { try { if (time > 0) { redisTemplate.opsForValue().set(key, value, time, timeUnit); } else { set(key, value); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public Object hget(String key, String item) { return redisTemplate.opsForHash().get(key, item); }
public Map<Object, Object> hmget(String key) { return redisTemplate.opsForHash().entries(key);
}
public boolean hmset(String key, Map<String, Object> map) { try { redisTemplate.opsForHash().putAll(key, map); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean hmset(String key, Map<String, Object> map, long time) { try { redisTemplate.opsForHash().putAll(key, map); if (time > 0) { expire(key, time); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean hset(String key, String item, Object value) { try { redisTemplate.opsForHash().put(key, item, value); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean hset(String key, String item, Object value, long time) { try { redisTemplate.opsForHash().put(key, item, value); if (time > 0) { expire(key, time); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public void hdel(String key, Object... item) { redisTemplate.opsForHash().delete(key, item); }
public boolean hHasKey(String key, String item) { return redisTemplate.opsForHash().hasKey(key, item); }
public double hincr(String key, String item, double by) { return redisTemplate.opsForHash().increment(key, item, by); }
public double hdecr(String key, String item, double by) { return redisTemplate.opsForHash().increment(key, item, -by); }
public Set<Object> sGet(String key) { try { return redisTemplate.opsForSet().members(key); } catch (Exception e) { e.printStackTrace(); return null; } }
public boolean sHasKey(String key, Object value) { try { return redisTemplate.opsForSet().isMember(key, value); } catch (Exception e) { e.printStackTrace(); return false; } }
public long sSet(String key, Object... values) { try { return redisTemplate.opsForSet().add(key, values); } catch (Exception e) { e.printStackTrace(); return 0; } }
public long sSetAndTime(String key, long time, Object... values) { try { Long count = redisTemplate.opsForSet().add(key, values); if (time > 0) { expire(key, time); } return count; } catch (Exception e) { e.printStackTrace(); return 0; } }
public long sGetSetSize(String key) { try { return redisTemplate.opsForSet().size(key); } catch (Exception e) { e.printStackTrace(); return 0; } }
public long setRemove(String key, Object... values) { try { Long count = redisTemplate.opsForSet().remove(key, values); return count; } catch (Exception e) { e.printStackTrace(); return 0; } }
public List<Object> lGet(String key, long start, long end) { try { return redisTemplate.opsForList().range(key, start, end); } catch (Exception e) { e.printStackTrace(); return null; } }
public long lGetListSize(String key) { try { return redisTemplate.opsForList().size(key); } catch (Exception e) { e.printStackTrace(); return 0; } }
public Object lGetIndex(String key, long index) { try { return redisTemplate.opsForList().index(key, index); } catch (Exception e) { e.printStackTrace(); return null; } }
public boolean lSet(String key, Object value) { try { redisTemplate.opsForList().rightPush(key, value); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean lSet(String key, Object value, long time) { try { redisTemplate.opsForList().rightPush(key, value); if (time > 0) { expire(key, time); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean lSet(String key, List<Object> value) { try { redisTemplate.opsForList().rightPushAll(key, value); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean lSet(String key, List<Object> value, long time) { try { redisTemplate.opsForList().rightPushAll(key, value); if (time > 0) { expire(key, time); } return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public boolean lUpdateIndex(String key, long index, Object value) { try { redisTemplate.opsForList().set(key, index, value); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public long lRemove(String key, long count, Object value) { try { return redisTemplate.opsForList().remove(key, count, value); } catch (Exception e) { e.printStackTrace(); return 0; } }
public void delByKeys(String prefix, Set<Long> ids) { Set<String> keys = new HashSet<>(); for (Long id : ids) { keys.addAll(redisTemplate.keys(new StringBuffer(prefix).append(id).toString())); } long count = redisTemplate.delete(keys); log.debug("--------------------------------------------"); log.debug("成功删除缓存:{}", keys.toString()); log.debug("缓存删除数量:{}个", count); log.debug("--------------------------------------------"); }
}
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