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Redis整合SpringBoot的RedisTemplate实现类(实例详解)

时间：2021-01-10来源：www.pcxitongcheng.com作者：电脑系统城

Redis整合SpringBoot》》RedisService 接口

Redis整合SpringBoot》》 RedisServiceImpl 实现

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527 package com.tuan.common.base.redis.impl;

import com.tuan.common.base.redis.RedisService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.StringRedisConnection;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Service
public class RedisServiceImpl implements RedisService {
private final String KVS_KEY_SPLIT = "-";

@Value("${spring.application.name}")
private String applicationName;
@Value("${spring.profiles.active}")
private String profileActive;
@Value("${customize.copyright.name.en}")
private String copyrightEn;
@Autowired
private StringRedisTemplate stringRedisTemplate;

/**
* stringRedisTemplate.opsForValue();　　//操作字符串
* stringRedisTemplate.opsForHash();　　 //操作hash
* stringRedisTemplate.opsForList();　　 //操作list
* stringRedisTemplate.opsForSet();　　 //操作set
* stringRedisTemplate.opsForZSet();　　//操作有序set
*/

/**
* assembleCacheKey所有键的拼接
* @param key
* @return
*/
private String assembleCacheKey(String key) {
if (StringUtils.isEmpty(key)) {
return null;
}
return copyrightEn + KVS_KEY_SPLIT + applicationName + KVS_KEY_SPLIT + profileActive + KVS_KEY_SPLIT + key;
}

@Override
public List<String> getmultiet(List<String> keys) {
if (CollectionUtils.isEmpty(keys)) {
return null;
}
keys= keys.stream().map( key -> assembleCacheKey(key)).collect(Collectors.toList());
return stringRedisTemplate.opsForValue().multiGet(keys);
}

@Override
public String get(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForValue().get(key);
}

@Override
public List<String> lrange(String key, int start, int end) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForList().range(key, start, end);
}

@Override
public int llen(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return 0;
}
Long size = stringRedisTemplate.opsForList().size(key);
return null == size ? 0 : size.intValue();
}

@Override
public Integer getInt(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
String value = stringRedisTemplate.opsForValue().get(key);
if (StringUtils.isEmpty(value)) {
return null;
}
try {
return Integer.valueOf(value);
} catch (NumberFormatException e) {
e.printStackTrace();
return null;
}
}

@Override
public boolean del(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
try {
Boolean delete = stringRedisTemplate.delete(key);
return null != delete && delete;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}

@Override
public boolean delslike(String key) {
key = assembleCacheKey(key);
Set<String> keys = stringRedisTemplate.keys(key);
if (StringUtils.isEmpty(key)) {
return false;
}
try {
Long delete = stringRedisTemplate.delete(keys);
return delete > 0 ?true:false;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}

@Override
public void set(String key, String value) {
set(key, value, null);
}

@Override
public void set(String key, String value, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(value)) {
return;
}
if (null != expire) {
stringRedisTemplate.opsForValue().set(key, value, expire, TimeUnit.SECONDS);
} else {
stringRedisTemplate.opsForValue().set(key, value);
}
}

@Override
public Long incr(String key) {
return incr(key, 1, null);
}

@Override
public Long incr(String key, Integer expire) {
return incr(key, 1, expire);
}

@Override
public Long incr(String key, int delta, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
Long ret = stringRedisTemplate.opsForValue().increment(key, delta);
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return ret;
}

@Override
public Long decr(String key) {
return incr(key, -1, null);
}

@Override
public Long decr(String key, Integer expire) {
return incr(key, -1, expire);
}

@Override
public void rpush(String key, String value, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(value)) {
return;
}
stringRedisTemplate.opsForList().rightPush(key, value);
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
}

@Override
public void lpush(String key, String value, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(value)) {
return;
}
stringRedisTemplate.opsForList().leftPush(key, value);
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
}

@Override
public void rmpush(String key, Integer count, String value) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(value)) {
return;
}
stringRedisTemplate.opsForList().remove(key,count, value);
}

@Override
public String lpop(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForList().leftPop(key);
}

@Override
public void expire(String key, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return;
}
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
}

@Override
public boolean setnx(String key, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Boolean ret = stringRedisTemplate.opsForValue().setIfAbsent(key, "1");
if (null == ret || !ret) {
return false;
}
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return true;
}

@Override
public boolean setnxv(String key,String value ,Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Boolean ret = stringRedisTemplate.opsForValue().setIfAbsent(key, value);
if (null == ret || !ret) {
return false;
}
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return true;
}

@Override
public Boolean hasKey(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Boolean result = stringRedisTemplate.hasKey(key);
return null == result ? false : result;
}

@Override
public void sadd(String key, String value, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(value)) {
return;
}
Long result = stringRedisTemplate.opsForSet().add(key, value);
if (null != expire && null != result && result > 0) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
}

@Override
public void srem(String key, String memeber) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key) || StringUtils.isEmpty(memeber)) {
return;
}
stringRedisTemplate.opsForSet().remove(key, memeber);
}

@Override
public boolean sismember(String key, String value) {
if (StringUtils.isEmpty(value)) {
return false;
}
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Boolean result = stringRedisTemplate.opsForSet().isMember(key, value);
return null == result ? false : result;
}

@Override
public Set<String> smembers(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForSet().members(key);
}

@Override
public Long ssize(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForSet().size(key);
}

@Override
public boolean zadd(String key, String member, double score, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Boolean result = stringRedisTemplate.opsForZSet().add(key, member, score);
if (null == result || !result) {
return false;
}
if (null != expire) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return true;
}

@Override
public long zinterstore(String key, List<String> otherKeys, String destKey, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return 0;
}
destKey = assembleCacheKey(destKey);
if (StringUtils.isEmpty(destKey)) {
return 0;
}
if (CollectionUtils.isEmpty(otherKeys)) {
return 0;
}
List<String> finalOtherKeys = new ArrayList<>();
for (String eachOtherKey : otherKeys) {
finalOtherKeys.add(assembleCacheKey(eachOtherKey));
}
Long result = stringRedisTemplate.opsForZSet().intersectAndStore(key, finalOtherKeys, destKey);
if (null == result || result <= 0) {
return 0;
}
if (null != expire) {
stringRedisTemplate.expire(destKey, expire, TimeUnit.SECONDS);
}
return result;
}

@Override
public String zfirst(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
Set<String> stringSet = stringRedisTemplate.opsForZSet().range(key, 0, 0);
return CollectionUtils.isEmpty(stringSet) ? null : stringSet.toArray()[0].toString();
}

@Override
public boolean zrem(String key, String member) {
if (StringUtils.isEmpty(member)) {
return false;
}
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return false;
}
Long result = stringRedisTemplate.opsForZSet().remove(key, member);
return null != result && result > 0;
}

@Override
public Map<String, Double> zscan(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
try {
Cursor<ZSetOperations.TypedTuple<String>> tupleCursor = stringRedisTemplate.opsForZSet().scan(key, ScanOptions.scanOptions().build());
Map<String, Double> result = new HashMap<>();
while (tupleCursor.hasNext()) {
ZSetOperations.TypedTuple<String> tuple = tupleCursor.next();
result.put(tuple.getValue(), tuple.getScore());
}
return result;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}

@Override
public Double zincrby(String key, String member, double incrScore, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
Double score = stringRedisTemplate.opsForZSet().incrementScore(key, member, incrScore);
if (null != expire && expire > 0) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return score;
}

@Override
public Double zscore(String key, String member) {
if (StringUtils.isEmpty(member)) {
return null;
}
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForZSet().score(key, member);
}

@Override
public void hput(String key, String hashKey, Object value, Integer expire) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return;
}
stringRedisTemplate.opsForHash().put(key, hashKey, value);
if (null != expire && expire > 0) {
stringRedisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
}

@Override
public void hdel(String key, String hashKey) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return;
}
stringRedisTemplate.opsForHash().delete(key, hashKey);
}

@Override
public Object hget(String key, String hashKey) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForHash().get(key, hashKey);
}

@Override
public Long hsize(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForHash().size(key);
}

@Override
public List<Object> hgetAll(String key) {
key = assembleCacheKey(key);
if (StringUtils.isEmpty(key)) {
return null;
}
return stringRedisTemplate.opsForHash().values(key);
}

@Override
public void batchInsert(List<Map<String, String>> saveList, TimeUnit unit, int timeout) {
/* 插入多条数据 */
stringRedisTemplate.executePipelined(new SessionCallback<Object>() {
@Override
public <K, V> Object execute(RedisOperations<K, V> redisOperations) throws DataAccessException {
for (Map<String, String> needSave : saveList) {
stringRedisTemplate.opsForValue().set(needSave.get("key"), needSave.get("value"), timeout,unit);
}
return null;
}
});
}

@Override
public List<String> batchGet(List<String> keyList) {
/* 批量获取多条数据 */
List<Object> objects = stringRedisTemplate.executePipelined(new RedisCallback<String>() {
@Override
public String doInRedis(RedisConnection redisConnection) throws DataAccessException {
StringRedisConnection stringRedisConnection = (StringRedisConnection) redisConnection;
for (String key : keyList) {
stringRedisConnection.get(key);
}
return null;
}
});

List<String> collect = objects.stream().map(val -> String.valueOf(val)).collect(Collectors.toList());

return collect;
}

}