初始化代码

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>com.wangxiaolu.sfa</groupId>
+        <artifactId>wangxiaolu-sfa-parent</artifactId>
+        <version>0.0.1</version>
+        <relativePath/>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    
+    <name>wangxiaolu-sfa-common-redis</name>
+    <artifactId>wangxiaolu-sfa-common-redis</artifactId>
+    <version>0.0.1</version>
+
+    <description>
+        wangxiaolu-sfa-common-redis缓存服务
+    </description>
+
+    <properties>
+        <java.version>1.8</java.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+
+    <dependencies>
+
+        <!-- SpringBoot Boot Redis -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+        
+        <!-- RuoYi Common Core-->
+        <dependency>
+            <groupId>com.wangxiaolu.sfa</groupId>
+            <artifactId>wangxiaolu-sfa-common-core</artifactId>
+        </dependency>
+        
+    </dependencies>
+</project>
\ No newline at end of file

src/main/java/com/sfa/common/redis/configure/FastJson2JsonRedisSerializer.java

+package com.sfa.common.redis.configure;
+
+import java.nio.charset.Charset;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.SerializationException;
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONReader;
+import com.alibaba.fastjson2.JSONWriter;
+import com.alibaba.fastjson2.filter.Filter;
+import com.sfa.common.core.constant.Constants;
+
+/**
+ * Redis使用FastJson序列化
+ * 
+ * @author ruoyi
+ */
+public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
+{
+    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
+
+    static final Filter AUTO_TYPE_FILTER = JSONReader.autoTypeFilter(Constants.JSON_WHITELIST_STR);
+
+    private Class<T> clazz;
+
+    public FastJson2JsonRedisSerializer(Class<T> clazz)
+    {
+        super();
+        this.clazz = clazz;
+    }
+
+    @Override
+    public byte[] serialize(T t) throws SerializationException
+    {
+        if (t == null)
+        {
+            return new byte[0];
+        }
+        return JSON.toJSONString(t, JSONWriter.Feature.WriteClassName).getBytes(DEFAULT_CHARSET);
+    }
+
+    @Override
+    public T deserialize(byte[] bytes) throws SerializationException
+    {
+        if (bytes == null || bytes.length <= 0)
+        {
+            return null;
+        }
+        String str = new String(bytes, DEFAULT_CHARSET);
+
+        return JSON.parseObject(str, clazz, AUTO_TYPE_FILTER);
+    }
+}

src/main/java/com/sfa/common/redis/configure/RedisConfig.java

+package com.sfa.common.redis.configure;
+
+import org.springframework.boot.autoconfigure.AutoConfigureBefore;
+import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
+import org.springframework.cache.annotation.CachingConfigurerSupport;
+import org.springframework.cache.annotation.EnableCaching;
+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.StringRedisSerializer;
+
+/**
+ * redis配置
+ * 
+ * @author ruoyi
+ */
+@Configuration
+@EnableCaching
+@AutoConfigureBefore(RedisAutoConfiguration.class)
+public class RedisConfig extends CachingConfigurerSupport
+{
+    @Bean
+    @SuppressWarnings(value = { "unchecked", "rawtypes" })
+    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory)
+    {
+        RedisTemplate<Object, Object> template = new RedisTemplate<>();
+        template.setConnectionFactory(connectionFactory);
+
+        FastJson2JsonRedisSerializer serializer = new FastJson2JsonRedisSerializer(Object.class);
+
+        // 使用StringRedisSerializer来序列化和反序列化redis的key值
+        template.setKeySerializer(new StringRedisSerializer());
+        template.setValueSerializer(serializer);
+
+        // Hash的key也采用StringRedisSerializer的序列化方式
+        template.setHashKeySerializer(new StringRedisSerializer());
+        template.setHashValueSerializer(serializer);
+
+        template.afterPropertiesSet();
+        return template;
+    }
+}

src/main/java/com/sfa/common/redis/service/RedisService.java

+package com.sfa.common.redis.service;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.BoundSetOperations;
+import org.springframework.data.redis.core.HashOperations;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.ValueOperations;
+import org.springframework.stereotype.Component;
+
+/**
+ * spring redis 工具类
+ * 
+ * @author ruoyi
+ **/
+@SuppressWarnings(value = { "unchecked", "rawtypes" })
+@Component
+public class RedisService
+{
+    @Autowired
+    public RedisTemplate redisTemplate;
+
+    /**
+     * 缓存基本的对象，Integer、String、实体类等
+     *
+     * @param key 缓存的键值
+     * @param value 缓存的值
+     */
+    public <T> void setCacheObject(final String key, final T value)
+    {
+        redisTemplate.opsForValue().set(key, value);
+    }
+
+    /**
+     * 缓存基本的对象，Integer、String、实体类等
+     *
+     * @param key 缓存的键值
+     * @param value 缓存的值
+     * @param timeout 时间
+     * @param timeUnit 时间颗粒度
+     */
+    public <T> void setCacheObject(final String key, final T value, final Long timeout, final TimeUnit timeUnit)
+    {
+        redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
+    }
+
+    /**
+     * 设置有效时间
+     *
+     * @param key Redis键
+     * @param timeout 超时时间
+     * @return true=设置成功；false=设置失败
+     */
+    public boolean expire(final String key, final long timeout)
+    {
+        return expire(key, timeout, TimeUnit.SECONDS);
+    }
+
+    /**
+     * 设置有效时间
+     *
+     * @param key Redis键
+     * @param timeout 超时时间
+     * @param unit 时间单位
+     * @return true=设置成功；false=设置失败
+     */
+    public boolean expire(final String key, final long timeout, final TimeUnit unit)
+    {
+        return redisTemplate.expire(key, timeout, unit);
+    }
+
+    /**
+     * 获取有效时间
+     *
+     * @param key Redis键
+     * @return 有效时间
+     */
+    public long getExpire(final String key)
+    {
+        return redisTemplate.getExpire(key);
+    }
+
+    /**
+     * 判断 key是否存在
+     *
+     * @param key 键
+     * @return true 存在 false不存在
+     */
+    public Boolean hasKey(String key)
+    {
+        return redisTemplate.hasKey(key);
+    }
+
+    /**
+     * 获得缓存的基本对象。
+     *
+     * @param key 缓存键值
+     * @return 缓存键值对应的数据
+     */
+    public <T> T getCacheObject(final String key)
+    {
+        ValueOperations<String, T> operation = redisTemplate.opsForValue();
+        return operation.get(key);
+    }
+
+    /**
+     * 删除单个对象
+     *
+     * @param key
+     */
+    public boolean deleteObject(final String key)
+    {
+        return redisTemplate.delete(key);
+    }
+
+    /**
+     * 删除集合对象
+     *
+     * @param collection 多个对象
+     * @return
+     */
+    public boolean deleteObject(final Collection collection)
+    {
+        return redisTemplate.delete(collection) > 0;
+    }
+
+    /**
+     * 缓存List数据
+     *
+     * @param key 缓存的键值
+     * @param dataList 待缓存的List数据
+     * @return 缓存的对象
+     */
+    public <T> long setCacheList(final String key, final List<T> dataList)
+    {
+        Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
+        return count == null ? 0 : count;
+    }
+
+    /**
+     * 获得缓存的list对象
+     *
+     * @param key 缓存的键值
+     * @return 缓存键值对应的数据
+     */
+    public <T> List<T> getCacheList(final String key)
+    {
+        return redisTemplate.opsForList().range(key, 0, -1);
+    }
+
+    /**
+     * 缓存Set
+     *
+     * @param key 缓存键值
+     * @param dataSet 缓存的数据
+     * @return 缓存数据的对象
+     */
+    public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
+    {
+        BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
+        Iterator<T> it = dataSet.iterator();
+        while (it.hasNext())
+        {
+            setOperation.add(it.next());
+        }
+        return setOperation;
+    }
+
+    /**
+     * 获得缓存的set
+     *
+     * @param key
+     * @return
+     */
+    public <T> Set<T> getCacheSet(final String key)
+    {
+        return redisTemplate.opsForSet().members(key);
+    }
+
+    /**
+     * 缓存Map
+     *
+     * @param key
+     * @param dataMap
+     */
+    public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
+    {
+        if (dataMap != null) {
+            redisTemplate.opsForHash().putAll(key, dataMap);
+        }
+    }
+
+    /**
+     * 获得缓存的Map
+     *
+     * @param key
+     * @return
+     */
+    public <T> Map<String, T> getCacheMap(final String key)
+    {
+        return redisTemplate.opsForHash().entries(key);
+    }
+
+    /**
+     * 往Hash中存入数据
+     *
+     * @param key Redis键
+     * @param hKey Hash键
+     * @param value 值
+     */
+    public <T> void setCacheMapValue(final String key, final String hKey, final T value)
+    {
+        redisTemplate.opsForHash().put(key, hKey, value);
+    }
+
+    /**
+     * 获取Hash中的数据
+     *
+     * @param key Redis键
+     * @param hKey Hash键
+     * @return Hash中的对象
+     */
+    public <T> T getCacheMapValue(final String key, final String hKey)
+    {
+        HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
+        return opsForHash.get(key, hKey);
+    }
+
+    /**
+     * 获取多个Hash中的数据
+     *
+     * @param key Redis键
+     * @param hKeys Hash键集合
+     * @return Hash对象集合
+     */
+    public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
+    {
+        return redisTemplate.opsForHash().multiGet(key, hKeys);
+    }
+
+    /**
+     * 删除Hash中的某条数据
+     *
+     * @param key Redis键
+     * @param hKey Hash键
+     * @return 是否成功
+     */
+    public boolean deleteCacheMapValue(final String key, final String hKey)
+    {
+        return redisTemplate.opsForHash().delete(key, hKey) > 0;
+    }
+
+    /**
+     * 获得缓存的基本对象列表
+     *
+     * @param pattern 字符串前缀
+     * @return 对象列表
+     */
+    public Collection<String> keys(final String pattern)
+    {
+        return redisTemplate.keys(pattern);
+    }
+}

src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

+com.sfa.common.redis.configure.RedisConfig
+com.sfa.common.redis.service.RedisService