整體結構
配置文件
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.cc</groupId><artifactId>spring-redis</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>spring-redis</name><description>Demo project for Spring Boot</description><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.5.13.RELEASE</version><relativePath /> <!-- lookup parent from repository --></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-pool2</artifactId><version>2.4.2</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.8.0</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
RedisConfig
package com.cc.springredis.config;import com.cc.springredis.RedisUtil;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;@Configuration
public class RedisConfig {/*** 實例化 RedisTemplate 對象** @return*/@Beanpublic RedisTemplate<String, Object> functionDomainRedisTemplate(RedisConnectionFactory redisConnectionFactory) {RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();initDomainRedisTemplate(redisTemplate, redisConnectionFactory);return redisTemplate;}/*** 設置數據存入 redis 的序列化方式,并開啟事務** @param redisTemplate* @param factory*/private void initDomainRedisTemplate(RedisTemplate<String, Object> redisTemplate, RedisConnectionFactory factory) {//如果不配置Serializer,那么存儲的時候缺省使用String,如果用User類型存儲,那么會提示錯誤User can't cast to String! redisTemplate.setKeySerializer(new StringRedisSerializer());redisTemplate.setHashKeySerializer(new StringRedisSerializer());redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());// 開啟事務redisTemplate.setEnableTransactionSupport(true);redisTemplate.setConnectionFactory(factory);}/*** @return RedisUtil* @throws* @Title: redisUtil*/@Bean(name = "redisUtil")public RedisUtil redisUtil(RedisTemplate<String, Object> redisTemplate) {RedisUtil redisUtil = new RedisUtil();redisUtil.setRedisTemplate(redisTemplate);return redisUtil;}}
RedisUtil
package com.cc.springredis;import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.CollectionUtils;public class RedisUtil {private RedisTemplate<String, Object> redisTemplate;public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) {this.redisTemplate = redisTemplate;}// =============================common============================/*** 指定緩存失效時間* * @param key 鍵* @param time 時間(秒)* @return*/public boolean expire(String key, long time) {try {if (time > 0) {redisTemplate.expire(key, time, TimeUnit.SECONDS);}return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** 根據key 獲取過期時間* * @param key 鍵 不能為null* @return 時間(秒) 返回0代表為永久有效*/public long getExpire(String key) {return redisTemplate.getExpire(key, TimeUnit.SECONDS);}/*** 判斷key是否存在* * @param key 鍵* @return true 存在 false不存在*/public boolean hasKey(String key) {try {return redisTemplate.hasKey(key);} catch (Exception e) {e.printStackTrace();return false;}}/*** 刪除緩存* @param key 可以傳一個值 或多個*/@SuppressWarnings("unchecked")public void del(String... key) {if (key != null && key.length > 0) {if (key.length == 1) {redisTemplate.delete(key[0]);} else {redisTemplate.delete(CollectionUtils.arrayToList(key));}}}// ============================String=============================/*** 普通緩存獲取* * @param key 鍵* @return 值*/public Object get(String key) {return key == null ? null : redisTemplate.opsForValue().get(key);}/*** 普通緩存放入* * @param key 鍵* @param value 值* @return true成功 false失敗*/public boolean set(String key, Object value) {try {redisTemplate.opsForValue().set(key, value);return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** 普通緩存放入并設置時間* * @param key 鍵* @param value 值* @param time 時間(秒) time要大于0 如果time小于等于0 將設置無限期* @return true成功 false 失敗*/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;}}/*** 遞增* * @param key 鍵* @param by 要增加幾(大于0)* @return*/public long incr(String key, long delta) {if (delta < 0) {throw new RuntimeException("遞增因子必須大于0");}return redisTemplate.opsForValue().increment(key, delta);}/*** 遞減* * @param key 鍵* @param by 要減少幾(小于0)* @return*/public long decr(String key, long delta) {if (delta < 0) {throw new RuntimeException("遞減因子必須大于0");}return redisTemplate.opsForValue().increment(key, -delta);}// ================================Map=================================/*** HashGet* * @param key 鍵 不能為null* @param item 項 不能為null* @return 值*/public Object hget(String key, String item) {return redisTemplate.opsForHash().get(key, item);}/*** 獲取hashKey對應的所有鍵值* * @param key 鍵* @return 對應的多個鍵值*/public Map<Object, Object> hmget(String key) {return redisTemplate.opsForHash().entries(key);}/*** HashSet* * @param key 鍵* @param map 對應多個鍵值* @return true 成功 false 失敗*/public boolean hmset(String key, Map<String, Object> map) {try {redisTemplate.opsForHash().putAll(key, map);return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** HashSet 并設置時間* * @param key 鍵* @param map 對應多個鍵值* @param time 時間(秒)* @return true成功 false失敗*/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;}}/*** 向一張hash表中放入數據,如果不存在將創建* * @param key 鍵* @param item 項* @param value 值* @return true 成功 false失敗*/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;}}/*** 向一張hash表中放入數據,如果不存在將創建* * @param key 鍵* @param item 項* @param value 值* @param time 時間(秒) 注意:如果已存在的hash表有時間,這里將會替換原有的時間* @return true 成功 false失敗*/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;}}/*** 刪除hash表中的值* * @param key 鍵 不能為null* @param item 項 可以使多個 不能為null*/public void hdel(String key, Object... item) {redisTemplate.opsForHash().delete(key, item);}/*** 判斷hash表中是否有該項的值* * @param key 鍵 不能為null* @param item 項 不能為null* @return true 存在 false不存在*/public boolean hHasKey(String key, String item) {return redisTemplate.opsForHash().hasKey(key, item);}/*** hash遞增 如果不存在,就會創建一個 并把新增后的值返回* * @param key 鍵* @param item 項* @param by 要增加幾(大于0)* @return*/public double hincr(String key, String item, double by) {return redisTemplate.opsForHash().increment(key, item, by);}/*** hash遞減* * @param key 鍵* @param item 項* @param by 要減少記(小于0)* @return*/public double hdecr(String key, String item, double by) {return redisTemplate.opsForHash().increment(key, item, -by);}// ============================set=============================/*** 根據key獲取Set中的所有值* * @param key 鍵* @return*/public Set<Object> sGet(String key) {try {return redisTemplate.opsForSet().members(key);} catch (Exception e) {e.printStackTrace();return null;}}/*** 根據value從一個set中查詢,是否存在* * @param key 鍵* @param value 值* @return true 存在 false不存在*/public boolean sHasKey(String key, Object value) {try {return redisTemplate.opsForSet().isMember(key, value);} catch (Exception e) {e.printStackTrace();return false;}}/*** 將數據放入set緩存* * @param key 鍵* @param values 值 可以是多個* @return 成功個數*/public long sSet(String key, Object... values) {try {return redisTemplate.opsForSet().add(key, values);} catch (Exception e) {e.printStackTrace();return 0;}}/*** 將set數據放入緩存* * @param key 鍵* @param time 時間(秒)* @param values 值 可以是多個* @return 成功個數*/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;}}/*** 獲取set緩存的長度* * @param key 鍵* @return*/public long sGetSetSize(String key) {try {return redisTemplate.opsForSet().size(key);} catch (Exception e) {e.printStackTrace();return 0;}}/*** 移除值為value的* * @param key 鍵* @param values 值 可以是多個* @return 移除的個數*/public long setRemove(String key, Object... values) {try {Long count = redisTemplate.opsForSet().remove(key, values);return count;} catch (Exception e) {e.printStackTrace();return 0;}}// ===============================list=================================/*** 獲取list緩存的內容* * @param key 鍵* @param start 開始* @param end 結束 0 到 -1代表所有值* @return*/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;}}/*** 獲取list緩存的長度* * @param key 鍵* @return*/public long lGetListSize(String key) {try {return redisTemplate.opsForList().size(key);} catch (Exception e) {e.printStackTrace();return 0;}}/*** 通過索引 獲取list中的值* * @param key 鍵* @param index 索引 index>=0時, 0 表頭,1 第二個元素,依次類推;index<0時,-1,表尾,-2倒數第二個元素,依次類推* @return*/public Object lGetIndex(String key, long index) {try {return redisTemplate.opsForList().index(key, index);} catch (Exception e) {e.printStackTrace();return null;}}/*** 將list放入緩存* * @param key 鍵* @param value 值* @return*/public boolean lSet(String key, Object value) {try {redisTemplate.opsForList().rightPush(key, value);return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** 將list放入緩存* * @param key 鍵* @param value 值* @param time 時間(秒)* @return*/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;}}/*** 將list放入緩存* * @param key 鍵* @param value 值* @return*/public boolean lSet(String key, List<Object> value) {try {redisTemplate.opsForList().rightPushAll(key, value);return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** 將list放入緩存* * @param key 鍵* @param value 值* @param time 時間(秒)* @return*/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;}}/*** 根據索引修改list中的某條數據* * @param key 鍵* @param index 索引* @param value 值* @return*/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;}}/*** 移除N個值為value* * @param key 鍵* @param count 移除多少個* @param value 值* @return 移除的個數*/public long lRemove(String key, long count, Object value) {try {Long remove = redisTemplate.opsForList().remove(key, count, value);return remove;} catch (Exception e) {e.printStackTrace();return 0;}}
}
測試類SpringRedisApplicationTests
package com.cc.springredis;import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;import javax.annotation.Resource;@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringRedisApplication.class)
public class SpringRedisApplicationTests {@Resourceprivate RedisUtil redisUtil;@Testpublic void testRedis() {redisUtil.set("test", "1111111111");System.out.println(redisUtil.get("test"));}}
application.properties
########################################################
###REDIS (RedisProperties) redis基本配置;
########################################################
# database name
spring.redis.database=0
# server host1 單機使用,對應服務器ip
spring.redis.host=192.168.133.130
# server password 密碼,如果沒有設置可不配
#spring.redis.password=
#connection port 單機使用,對應端口號
spring.redis.port=10190
# pool settings ...池配置
spring.redis.pool.max-idle=8
spring.redis.pool.min-idle=0
spring.redis.pool.max-active=8
spring.redis.pool.max-wait=-1
?