spring-boot集成redis

时间:2025-03-27 19:36:43
application.properties
#redis 配置
# Redis数据库索引(默认为0)
spring.redis.database=0
# Redis服务器地址
spring.redis.host=192.168.102.128
# Redis服务器连接端口
spring.redis.port=6379
# Redis服务器连接密码(默认为空)
spring.redis.password=
# 连接池最大阻塞等待时间(使用负值表示没有限制)
spring.redis.pool.max-wait=6000
# 连接池最大连接数(使用负值表示没有限制)
spring.redis.pool.max-active=50
# 连接池中的最大空闲连接
spring.redis.pool.max-idle=10
# 连接池中的最小空闲连接
spring.redis.pool.min-idle=10
# 连接超时时间(毫秒)
spring.redis.timeout=6000

pom.xml

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
<version>1.5.2.RELEASE</version>
</dependency> <dependency>
<groupId>org.redisson</groupId>
<artifactId>redisson</artifactId>
<version>1.0.2</version>
</dependency>

RedisConfig.java
package com.hbd.example.framework.cache.redis;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import redis.clients.jedis.JedisPoolConfig; import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map; @Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
@Autowired
private RedisConn redisConn; /**
* 生产key的策略
*
* @return
*/ @Bean
@Override
public KeyGenerator keyGenerator() {
System.err.println("================>keyGenerator");
return new KeyGenerator() { @Override
public Object generate(Object target, Method method, Object... params) {
StringBuilder sb = new StringBuilder();
sb.append(target.getClass().getName());
sb.append(method.getName());
for (Object obj : params) {
sb.append(obj.toString());
}
return sb.toString();
}
}; } /**
* 管理缓存
*
* @param redisTemplate
* @return
*/ @SuppressWarnings("rawtypes")
@Bean
public CacheManager CacheManager(RedisTemplate redisTemplate) {
System.err.println("================>CacheManager");
RedisCacheManager rcm = new RedisCacheManager(redisTemplate);
// 设置cache过期时间,时间单位是秒
rcm.setDefaultExpiration(60);
Map<String, Long> map = new HashMap<String, Long>();
map.put("test", 60L);
rcm.setExpires(map);
return rcm;
} /**
* redis 数据库连接池
* @return
*/
@Bean
public JedisPoolConfig redisPoolConfig() {
System.err.println("================>redisPoolConfig");
JedisPoolConfig poolConfig = new JedisPoolConfig();
poolConfig.setMaxTotal(redisConn.getMaxActive());
poolConfig.setMaxIdle(redisConn.getMaxIdle());
poolConfig.setMinIdle(redisConn.getMinIdle());
poolConfig.setMaxWaitMillis(redisConn.getMaxWait());
return poolConfig;
} @Bean
public JedisConnectionFactory redisConnectionFactory() {
System.err.println("================>redisConnectionFactory");
JedisConnectionFactory factory = new JedisConnectionFactory();
factory.setHostName(redisConn.getHost());
factory.setPort(redisConn.getPort());
factory.setTimeout(redisConn.getTimeout()); // 设置连接超时时间
factory.setPoolConfig(redisPoolConfig());
return factory;
} /**
* redisTemplate配置
*
* @param factory
* @return
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
@Bean
public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
System.err.println("================>redisTemplate");
StringRedisSerializer keySerializer = new StringRedisSerializer();
JdkSerializationRedisSerializer valueSerializer = new JdkSerializationRedisSerializer();
StringRedisTemplate template = new StringRedisTemplate(factory);
template.setKeySerializer(keySerializer);
template.setValueSerializer(valueSerializer);
template.setConnectionFactory(redisConnectionFactory());
template.afterPropertiesSet();
return template;
} }

RedisConn.java

package com.hbd.example.framework.cache.redis;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component; @Component
@ConfigurationProperties(prefix = "spring.redis")
public class RedisConn {
private String host; private int port; private int timeout; @Value("${spring.redis.pool.max-active}")
private int maxActive; @Value("${spring.redis.pool.max-idle}")
private int maxIdle; @Value("${spring.redis.pool.min-idle}")
private int minIdle; @Value("${spring.redis.pool.max-wait}")
private int maxWait; public String getHost() {
return host;
} public void setHost(String host) {
this.host = host;
} public int getPort() {
return port;
} public void setPort(int port) {
this.port = port;
} public int getTimeout() {
return timeout;
} public void setTimeout(int timeout) {
this.timeout = timeout;
} public int getMaxActive() {
return maxActive;
} public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
} public int getMaxIdle() {
return maxIdle;
} public void setMaxIdle(int maxIdle) {
this.maxIdle = maxIdle;
} public int getMinIdle() {
return minIdle;
} public void setMinIdle(int minIdle) {
this.minIdle = minIdle;
} public int getMaxWait() {
return maxWait;
} public void setMaxWait(int maxWait) {
this.maxWait = maxWait;
}
}

RedisUtil.java

package com.hbd.example.framework.cache.redis;

import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Component; import javax.annotation.Resource;
import java.io.Serializable;
import java.util.Set;
import java.util.concurrent.TimeUnit; /**
* redis cache 工具类
*
*/ @Component
public final class RedisUtil { @Resource
private RedisTemplate<Serializable, Object> redisTemplate; private String redisIp; /**
* 批量删除对应的value
*
* @param keys
*/
public void remove(final String... keys) {
for (String key : keys) {
remove(key);
}
} /**
* 批量删除key
*
* @param pattern
*/
public void removePattern(final String pattern) {
Set<Serializable> keys = redisTemplate.keys(pattern);
if (keys.size() > 0)
redisTemplate.delete(keys);
} /**
* 删除对应的value
*
* @param key
*/
public void remove(final String key) {
if (exists(key)) {
redisTemplate.delete(key);
}
} /**
* 判断缓存中是否有对应的value
*
* @param key
* @return
*/
public boolean exists(final String key) {
return redisTemplate.hasKey(key);
} /**
* 读取缓存
*
* @param key
* @return
*/
public Object get(final String key) {
// System.err.println("-----------------------------redisIp"+redisIp);
Object result = null;
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
result = operations.get(key);
return result;
} /**
* 写入缓存
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value) {
// System.err.println("-----------------------------redisIp" + redisIp);
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
} /**
* 写入缓存
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value, Long expireTime) {
// System.err.println("-----------------------------redisIp"+redisIp);
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
} public void setRedisTemplate(RedisTemplate<Serializable, Object> redisTemplate) {
this.redisTemplate = redisTemplate;
} public String getRedisIp() {
return redisIp;
} public void setRedisIp(String redisIp) {
this.redisIp = redisIp;
} /**
* 设置新值,同时返回旧值
* @param lockKey
* @param stringOfLockExpireTime
* @return
*/
public String getSet(final String lockKey, final String stringOfLockExpireTime) {
String result = redisTemplate.execute(new RedisCallback<String>() {
@Override
public String doInRedis(RedisConnection redisConnection) throws DataAccessException {
byte[] bytes = redisConnection.getSet(lockKey.getBytes(), stringOfLockExpireTime.getBytes());
if(bytes != null) {
return new String(bytes);
}
return null;
}
});
return result;
} /**
* 如果不存在key则插入
* @param lockKey
* @param stringOfLockExpireTime
* @return true 插入成功, false 插入失败
*/
public boolean setnx(final String lockKey, final String stringOfLockExpireTime) {
return redisTemplate.execute(new RedisCallback<Boolean>() {
@Override
public Boolean doInRedis(RedisConnection redisConnection) throws DataAccessException {
return redisConnection.setNX(lockKey.getBytes(), stringOfLockExpireTime.getBytes());
}
});
} /**
* setnx 和 getSet方式插入的数据,调用此方法获取
* @param key
* @return
*/
public String getInExecute(final String key) {
String result = redisTemplate.execute(new RedisCallback<String>() {
@Override
public String doInRedis(RedisConnection redisConnection) throws DataAccessException {
byte[] bytes = redisConnection.get(key.getBytes());
if (bytes == null) {
return null;
} else {
return new String(bytes);
}
}
});
return result;
} /**
* 将缓存保存在map集合中
* @param redisKey
* @param mapKey
* @param mapValue
* @return
*/
public boolean putInMap(final String redisKey, String mapKey, Object mapValue) {
boolean result = false;
try {
HashOperations<Serializable, Object, Object> operations = redisTemplate.opsForHash();
operations.put(redisKey, mapKey, mapValue);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
} public Object getOneFromMap(final String redisKey, String mapKey) {
HashOperations<Serializable, Object, Object> operations = redisTemplate.opsForHash();
return operations.get(redisKey, mapKey);
} public Object getAllFromMap(final String redisKey) {
HashOperations<Serializable, Object, Object> operations = redisTemplate.opsForHash();
return operations.values(redisKey);
} public void removeFromMap(final String redisKey, Object obj) {
HashOperations<Serializable, Object, Object> operations = redisTemplate.opsForHash();
operations.delete(redisKey, obj);
} public boolean setList(final String key, Object value) {
boolean result = false;
try {
ListOperations<Serializable, Object> listOperations = redisTemplate.opsForList();
listOperations.leftPush(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
} public Object getList(final String key) {
ListOperations<Serializable, Object> listOperations = redisTemplate.opsForList();
return listOperations.range(key,0,listOperations.size(key));
} }

OrgController.java

package com.hbd.example.org.controller;

import com.hbd.example.framework.cache.redis.RedisUtil;
import com.hbd.example.framework.exception.runtime.ServiceException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController; import javax.annotation.Resource; @RestController
@RequestMapping("/org")
public class OrgController { @Resource
RedisUtil redisUtil; @RequestMapping("/set")
public String set(@RequestParam String key, @RequestParam String value) {
redisUtil.set(key,value);
return "success";
} @RequestMapping("/get")
public String get(String key) {
Object o = redisUtil.get(key);
System.out.println(o);
return "redis value :"+o;
} }