网站建设及空间/上海优化公司选哪个

依赖版本

• JDK 17
• Spring Boot 3.2.0
• Redisson 3.25.0

工程源码：Gitee

集成Redis步骤

导入依赖

<properties><redisson.version>3.25.0</redisson.version>
</properties>
<dependencies><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter</artifactId></dependency><dependency><groupId>org.redisson</groupId><artifactId>redisson-spring-boot-starter</artifactId><version>${redisson.version}</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency>
</dependencies>

编写配置文件

# application.yml
spring:# ======== Redis配置 ========redis:redisson:file: classpath:redisson.yaml

# redisson.yaml
​
# 编码。默认值: org.redisson.codec.JsonJacksonCodec
codec: !<org.redisson.codec.Kryo5Codec> {}
# 线程池数量。默认值: 当前处理核数量 * 2
threads: 16
# Netty线程池数量。默认值: 当前处理核数量 * 2
nettyThreads: 32
# 传输模式。默认值: NIO
transportMode: "NIO"
# 监控锁的看门狗超时，单位：毫秒。默认值: 30000
lockWatchdogTimeout: 30000
# 是否保持订阅发布顺序。默认值: true
keepPubSubOrder: true
​
# Redisson 单实例配置
singleServerConfig:# 节点地址。格式：redis://host:portaddress: "redis://127.0.0.1:6379"# 密码。默认值: nullpassword: null# 数据库编号。默认值: 0database: 0# 客户端名称（在Redis节点里显示的客户端名称）。默认值: nullclientName: null# 连接超时，单位：毫秒。默认值: 10000connectTimeout: 10000# 命令等待超时，单位：毫秒。默认值: 3000timeout: 3000# 命令失败重试次数。默认值: 3retryAttempts: 3# 命令重试发送时间间隔，单位：毫秒。默认值: 1500retryInterval: 1500# 最小空闲连接数。默认值: 32connectionMinimumIdleSize: 24# 连接池大小。默认值: 64connectionPoolSize: 64# 单个连接最大订阅数量。默认值: 5subscriptionsPerConnection: 5# 发布和订阅连接的最小空闲连接数。默认值: 1subscriptionConnectionMinimumIdleSize: 1# 发布和订阅连接池大小。默认值: 50subscriptionConnectionPoolSize: 50# DNS监测时间间隔，单位：毫秒。默认值: 5000dnsMonitoringInterval: 5000# 连接空闲超时，单位：毫秒。默认值: 10000idleConnectionTimeout: 10000

编写Redis操作工具

import lombok.RequiredArgsConstructor;
import org.redisson.api.RAtomicDouble;
import org.redisson.api.RAtomicLong;
import org.redisson.api.RBucket;
import org.redisson.api.RList;
import org.redisson.api.RMap;
import org.redisson.api.RScoredSortedSet;
import org.redisson.api.RSet;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
​
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
​
/*** Redis工具类*/
@Component
@RequiredArgsConstructor(onConstructor_ = @Autowired)
public class RedisService {
​private final RedissonClient redissonClient;
​// ============================= String类型操作 ============================
​/*** 将值存储到Redis中** @param key   键* @param value 值*/public <T> void setString(String key, T value) {RBucket<T> bucket = redissonClient.getBucket(key);bucket.set(value);}
​/*** 将值存储到Redis中** @param key      键* @param value    值* @param timeout  过期时间* @param timeUnit 时间单位*/public <T> void setString(String key, T value, long timeout, TimeUnit timeUnit) {RBucket<T> bucket = redissonClient.getBucket(key);bucket.set(value, timeout, timeUnit);}
​/*** 根据键获取Redis中的值** @param key 键* @return 值*/public <T> T getString(String key) {RBucket<T> bucket = redissonClient.getBucket(key);return bucket.get();}
​// ============================= Hash类型操作 ============================
​/*** 将值存储到Redis中** @param key   键* @param field hash键* @param value 值*/public <T> boolean addToHash(String key, Object field, T value) {RMap<Object, T> hash = redissonClient.getMap(key);return hash.fastPut(field, value);}
​/*** 将值存储到Redis中** @param key      键* @param field    hash键* @param value    值* @param timeout  过期时间* @param timeUnit 时间单位*/public <T> boolean addToHash(String key, Object field, T value, long timeout, ChronoUnit timeUnit) {RMap<Object, T> hash = redissonClient.getMap(key);boolean fastPut = hash.fastPut(field, value);boolean expire = hash.expire(Instant.now().plus(timeout, timeUnit));return fastPut && expire;}
​/*** 根据键和Hash键获取Redis中的值** @param key   键* @param field hash键* @return 值*/public <T> T getFromHash(String key, Object field) {RMap<Object, T> hash = redissonClient.getMap(key);return hash.get(field);}
​/*** 根据键获取Redis中的值** @param key 键* @return 值*/public <T> Map<Object, T> getFromHash(String key) {RMap<Object, T> hash = redissonClient.getMap(key);return hash.readAllMap();}
​/*** 根据键和Hash键更新Redis中的值** @param key   键* @param field hash键* @param value 值* @return 更新成功返回true，否则返回false*/public <T> boolean updateToHash(String key, Object field, T value) {RMap<Object, T> hash = redissonClient.getMap(key);return hash.fastReplace(field, value);}
​/*** 根据Key，删除Hash类型的数据** @param key      键* @param hashKeys hash键* @return 删除成功的数量*/public <T> long removeFromHash(String key, T... hashKeys) {RMap<Object, T> hash = redissonClient.getMap(key);return hash.fastRemove(hashKeys);}
​// ============================= List类型操作 ============================
​/*** 向List数据类型中添加值** @param key   键* @param value 值*/public <T> boolean addToList(String key, T value) {RList<T> list = redissonClient.getList(key);return list.add(value);}
​/*** 向List数据类型中添加值** @param key   键* @param value 值*/public <T> boolean addToList(String key, List<T> value) {RList<T> list = redissonClient.getList(key);return list.addAll(value);}
​/*** 向List数据类型中添加值** @param key      键* @param value    值* @param timeout  过期时间* @param timeUnit 时间单位*/public <T> boolean addToList(String key, T value, long timeout, ChronoUnit timeUnit) {RList<T> list = redissonClient.getList(key);list.add(value);return list.expire(Instant.now().plus(timeout, timeUnit));}
​/*** 从List数据类型中获取值** @param key   键* @param start 起始位置* @param end   结束位置* @return 值*/public <T> List<T> getFromList(String key, int start, int end) {RList<T> list = redissonClient.getList(key);return list.range(start, end);}
​/*** 获取List数据类型中的所有值** @param key 键* @return 值*/public <T> List<T> getFromList(String key) {RList<T> list = redissonClient.getList(key);return list.readAll();}
​
​/*** 移除集合左侧第一个元素** @param key 键*/public void removeListLeft(String key) {RList<Object> list = redissonClient.getList(key);list.fastRemove(0);}
​/*** 移除集合右侧第一个元素** @param key 键*/public void removeListRight(String key) {RList<Object> list = redissonClient.getList(key);list.fastRemove(list.size() - 1);}
​/*** 移除集合指定位置元素** @param key   键* @param index 索引*/public void removeFromList(String key, int index) {RList<Object> list = redissonClient.getList(key);list.fastRemove(index);}
​/*** 移除集合指定元素** @param key   键* @param value 值*/public <T> boolean removeFromList(String key, T value) {RList<T> list = redissonClient.getList(key);return list.removeIf(o -> o.equals(value));}
​// ============================= Set类型操作 ============================
​/*** 添加值到Set数据类型中** @param key   键* @param value 值*/public <T> boolean addToSet(String key, T value) {RSet<T> set = redissonClient.getSet(key);return set.add(value);}
​/*** 添加值到Set数据类型中** @param key      键* @param value    值* @param timeout  过期时间* @param timeUnit 时间单位* @return 是否成功*/public <T> boolean addToSet(String key, T value, long timeout, ChronoUnit timeUnit) {RSet<T> set = redissonClient.getSet(key);boolean add = set.add(value);boolean expire = set.expire(Instant.now().plus(timeout, timeUnit));return add && expire;}
​/*** 添加值到Set数据类型中** @param key    键* @param values 值* @return 是否成功*/public <T> boolean addToSet(String key, List<T> values) {RSet<T> set = redissonClient.getSet(key);return set.addAll(values);}
​/*** 添加值到Set数据类型中** @param key      键* @param values   值* @param timeout  过期时间* @param timeUnit 时间单位* @return 是否成功*/public <T> boolean addToSet(String key, List<T> values, long timeout, ChronoUnit timeUnit) {RSet<T> set = redissonClient.getSet(key);set.addAllCounted(values);return set.expire(Instant.now().plus(timeout, timeUnit));}
​
​/*** 获取Set的所有元素。** @param key 键* @return 所有值*/public <T> Set<T> getFromSet(String key) {RSet<T> set = redissonClient.getSet(key);return set.readAll();}
​/*** 从Set数据类型中删除值** @param key    键* @param values 值*/public <T> void removeFromSet(String key, List<T> values) {RSet<T> set = redissonClient.getSet(key);values.forEach(set::remove);}
​/*** 从Set数据类型中删除值** @param key   键* @param value 值*/public <T> boolean removeFromSet(String key, T value) {RSet<T> set = redissonClient.getSet(key);return set.remove(value);}
​// ============================= ZSet类型操作 ============================
​/*** 添加值到ZSet数据类型中** @param key   键* @param value 值* @param score 分值*/public <T> void addToZSet(String key, T value, double score) {RScoredSortedSet<T> sortedSet = redissonClient.getScoredSortedSet(key);sortedSet.add(score, value);}
​/*** 在ZSet数据类型中添加值** @param key      键* @param value    值* @param score    分值* @param timeout  过期时间* @param timeUnit 时间单位*/public <T> void addToZSet(String key, T value, double score, long timeout, ChronoUnit timeUnit) {RScoredSortedSet<T> sortedSet = redissonClient.getScoredSortedSet(key);sortedSet.add(score, value);sortedSet.expire(Instant.now().plus(timeout, timeUnit));}
​/*** 获取ZSet的范围元素。** @param key   键* @param start 起始位置* @param end   结束位置* @return Set类型的值*/public <T> Set<Object> getFromZSet(String key, int start, int end) {RScoredSortedSet<T> sortedSet = redissonClient.getScoredSortedSet(key);return new HashSet<>(sortedSet.valueRange(start, end));}
​/*** 删除ZSet数据类型中的值** @param key    键* @param values 值*/public <T> void removeFromZSet(String key, List<T> values) {RScoredSortedSet<T> sortedSet = redissonClient.getScoredSortedSet(key);sortedSet.removeAll(values);}
​/*** 删除ZSet数据类型中的值** @param key   键* @param value 值*/public <T> void removeFromZSet(String key, T value) {RScoredSortedSet<T> sortedSet = redissonClient.getScoredSortedSet(key);sortedSet.remove(value);}
​// ============================= Common ============================
​/*** 判断Key是否存在** @param key 键* @return 存在返回true，否则返回false*/public boolean exists(String key) {return redissonClient.getBucket(key).isExists();}
​/*** 删除Key** @param key 键*/public boolean remove(String key) {long delete = redissonClient.getKeys().delete(key);return delete > 0;}
​/*** 设置Key的过期时间** @param key      键* @param timeout  过期时间* @param timeUnit 时间单位* @return 设置成功返回true，否则返回false*/public boolean expire(String key, long timeout, ChronoUnit timeUnit) {return redissonClient.getBucket(key).expire(Instant.now().plus(timeout, timeUnit));}
​/*** 获取Key的过期时间** @param key 键* @return 过期时间*/public Long getExpire(String key) {return redissonClient.getBucket(key).getExpireTime();}
​/*** 递增操作** @param key   键* @param delta 增加的值* @return 递增后的值，如果键不存在，则返回-1*/public long increment(String key, long delta) {RAtomicLong atomicLong = redissonClient.getAtomicLong(key);return atomicLong.addAndGet(delta);}
​/*** 递减操作** @param key   键* @param delta 减少的值* @return 递减后的值，如果键不存在，则返回-1*/public long decrement(String key, long delta) {RAtomicLong atomicLong = redissonClient.getAtomicLong(key);return atomicLong.decrementAndGet();}
​/*** 递增操作** @param key   键* @param delta 增加的值* @return 递增后的值，如果键不存在，则返回-1*/public double increment(String key, double delta) {RAtomicDouble atomicDouble = redissonClient.getAtomicDouble(key);return atomicDouble.addAndGet(delta);}
​/*** 递减操作** @param key   键* @param delta 减少的值* @return 递减后的值，如果键不存在，则返回-1*/public double decrement(String key, double delta) {RAtomicDouble atomicDouble = redissonClient.getAtomicDouble(key);return atomicDouble.decrementAndGet();}
}

编写测试用例

import jakarta.annotation.Resource;
import jodd.util.ThreadUtil;
import lombok.extern.slf4j.Slf4j;
import org.assertj.core.util.Lists;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
​
import java.time.LocalDateTime;
import java.util.List;
​
@Slf4j
@SpringBootTest
@DisplayName("Redis 集成测试类")
public class RedisApplicationTest {
​@Resourceprivate RedisService redisService;
​private static final String STRING_KEY = "redis:string";private static final String LIST_KEY = "redis:list";private static final String SET_KEY = "redis:set";private static final String HASH_KEY = "redis:hash";
​@Test@DisplayName("Redis String 数据类型测试")public void redisStringTest() {log.info("Redis String 数据类型测试");redisService.setString(STRING_KEY, LocalDateTime.now().toString());String redisGetStringData = redisService.getString(STRING_KEY);log.info("Redis String Get：{}", redisGetStringData);boolean remove = redisService.remove(STRING_KEY);log.info("Redis String Remove：{}", remove);redisGetStringData = redisService.getString(STRING_KEY);log.info("Redis String Get After Delete：{}", redisGetStringData);}
​@Test@DisplayName("Redis List 数据类型测试")public void redisListTest() {log.info("Redis List 数据类型测试");// 填充数据List<Integer> list = Lists.newArrayList();for (int i = 0; i < 5; i++) {list.add(LocalDateTime.now().getNano());ThreadUtil.sleep(5);}
​boolean addItemResult = redisService.addToList(LIST_KEY, LocalDateTime.now().getNano());log.info("Redis List Add item：{}", addItemResult);redisService.getFromList(LIST_KEY).forEach(s -> log.info("Redis List Get After Add Item：{}", s));
​boolean addListDataResult = redisService.addToList(LIST_KEY, list);log.info("Redis List Add List：{}", addListDataResult);redisService.getFromList(LIST_KEY).forEach(s -> log.info("Redis List Get After Add List：{}", s));
​redisService.getFromList(LIST_KEY, 0, 2).forEach(s -> log.info("Redis List Get By Index：{}", s));
​log.info("Redis List Size Before Delete：{}", redisService.getFromList(LIST_KEY).size());redisService.removeFromList(LIST_KEY, 0);log.info("Redis List Size After Delete：{}", redisService.getFromList(LIST_KEY).size());
​boolean remove = redisService.remove(LIST_KEY);log.info("Redis List Remove：{}", remove);}
​@Test@DisplayName("Redis Set 数据类型测试")public void redisSetTest() {log.info("Redis Set 数据类型测试");// 填充数据List<Integer> list = Lists.newArrayList();for (int i = 0; i < 5; i++) {list.add(LocalDateTime.now().getNano());ThreadUtil.sleep(5);}
​boolean addItemResult = redisService.addToSet(SET_KEY, LocalDateTime.now().getNano());log.info("Redis Set Add item：{}", addItemResult);redisService.getFromSet(SET_KEY).forEach(s -> log.info("Redis Set Get After Add Item：{}", s));
​boolean addListDataResult = redisService.addToSet(SET_KEY, list);log.info("Redis Set Add List：{}", addListDataResult);redisService.getFromSet(SET_KEY).forEach(s -> log.info("Redis Set Get After Add List：{}", s));
​log.info("Redis Set Size Before Delete：{}", redisService.getFromSet(SET_KEY).size());redisService.removeFromSet(SET_KEY, LocalDateTime.now().getNano());log.info("Redis Set Size After Delete：{}", redisService.getFromSet(SET_KEY).size());
​boolean remove = redisService.remove(SET_KEY);log.info("Redis Set Remove：{}", remove);}
​@Test@DisplayName("Redis Hash 数据类型测试")public void redisHashTest() {log.info("Redis Hash 数据类型测试");Integer key = LocalDateTime.now().getNano();
​boolean addItemResult = redisService.addToHash(HASH_KEY, key, LocalDateTime.now().toString());log.info("Redis Hash Add item：{}", addItemResult);redisService.getFromHash(HASH_KEY).forEach((k, v) -> log.info("Redis Hash Get After Add Item：{} - {}", k, v.toString()));
​log.info("Redis Hash Get By Key：{}", redisService.getFromHash(HASH_KEY, key).toString());
​log.info("Redis Hash Size Before Delete：{}", redisService.getFromHash(HASH_KEY).size());redisService.removeFromHash(HASH_KEY, key);log.info("Redis Hash Size After Delete：{}", redisService.getFromHash(HASH_KEY).size());
​boolean remove = redisService.remove(HASH_KEY);log.info("Redis Hash Remove：{}", remove);}
}

运行测试用例