升个版本

pom.xml

@@ -13,7 +13,7 @@
 	<parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.5.9.RELEASE</version>
+        <version>2.1.0.RELEASE</version>
     </parent>
 	
 	<dependencies>
@@ -26,6 +26,27 @@
 			<artifactId>spring-boot-devtools</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-redis</artifactId>
+			<!-- https://blog.csdn.net/weixin_39723544/article/details/80743074 整合 -->
+			<!-- 1.5的版本默认采用的连接池技术是jedis 2.0以上版本默认连接池是lettuce, 在这里采用jedis，所以需要排除lettuce的jar -->
+			<exclusions>
+				<exclusion>
+					<groupId>redis.clients</groupId>
+					<artifactId>jedis</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.lettuce</groupId>
+					<artifactId>lettuce-core</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+			<!-- 添加jedis客户端 -->
+		<dependency>
+			<groupId>redis.clients</groupId>
+			<artifactId>jedis</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>

src/main/java/com/egolm/oms/config/DataSourceConfig.java

@@ -2,8 +2,8 @@ package com.egolm.oms.config;
 
 import javax.sql.DataSource;
 
-import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.jdbc.DataSourceBuilder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;

src/main/java/com/egolm/oms/config/RedisConfiguration.java

+package com.egolm.oms.config;
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import redis.clients.jedis.JedisPool;
+import redis.clients.jedis.JedisPoolConfig;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.CachingConfigurerSupport;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.interceptor.CacheErrorHandler;
+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.jedis.JedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+
+@Configuration
+// 必须加，使配置生效
+@EnableCaching
+public class RedisConfiguration extends CachingConfigurerSupport {
+
+    /**
+     * Logger
+     */
+    private static final Logger lg = LoggerFactory.getLogger(RedisConfiguration.class);
+
+    
+    @Autowired
+    private JedisConnectionFactory jedisConnectionFactory;
+
+    @Bean
+    @Override
+    public KeyGenerator keyGenerator() {
+        //  设置自动key的生成规则，配置spring boot的注解，进行方法级别的缓存
+        // 使用：进行分割，可以很多显示出层级关系
+        // 这里其实就是new了一个KeyGenerator对象，只是这是lambda表达式的写法，我感觉很好用，大家感兴趣可以去了解下
+        return (target, method, params) -> {
+            StringBuilder sb = new StringBuilder();
+            sb.append(target.getClass().getName());
+            sb.append(":");
+            sb.append(method.getName());
+            for (Object obj : params) {
+                sb.append(":" + String.valueOf(obj));
+            }
+            String rsToUse = String.valueOf(sb);
+            lg.info("自动生成Redis Key -> [{}]", rsToUse);
+            return rsToUse;
+        };
+    }
+
+    @Bean
+    @Override
+    public CacheManager cacheManager() {
+        // 初始化缓存管理器，在这里我们可以缓存的整体过期时间什么的，我这里默认没有配置
+        lg.info("初始化 -> [{}]", "CacheManager RedisCacheManager Start");
+        RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager
+                .RedisCacheManagerBuilder
+                .fromConnectionFactory(jedisConnectionFactory);
+        return builder.build();
+    }
+
+    @Bean
+    public RedisTemplate<String, Object> redisTemplate(JedisConnectionFactory jedisConnectionFactory ) {
+        //设置序列化
+        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
+        ObjectMapper om = new ObjectMapper();
+        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
+        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
+        jackson2JsonRedisSerializer.setObjectMapper(om);
+        // 配置redisTemplate
+        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
+        redisTemplate.setConnectionFactory(jedisConnectionFactory);
+        RedisSerializer stringSerializer = new StringRedisSerializer();
+        redisTemplate.setKeySerializer(stringSerializer); // key序列化
+        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer); // value序列化
+        redisTemplate.setHashKeySerializer(stringSerializer); // Hash key序列化
+        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer); // Hash value序列化
+        redisTemplate.afterPropertiesSet();
+        return redisTemplate;
+    }
+
+    @Override
+    @Bean
+    public CacheErrorHandler errorHandler() {
+        // 异常处理，当Redis发生异常时，打印日志，但是程序正常走
+        lg.info("初始化 -> [{}]", "Redis CacheErrorHandler");
+        CacheErrorHandler cacheErrorHandler = new CacheErrorHandler() {
+            @Override
+            public void handleCacheGetError(RuntimeException e, Cache cache, Object key) {
+                lg.error("Redis occur handleCacheGetError：key -> [{}]", key, e);
+            }
+
+            @Override
+            public void handleCachePutError(RuntimeException e, Cache cache, Object key, Object value) {
+                lg.error("Redis occur handleCachePutError：key -> [{}]；value -> [{}]", key, value, e);
+            }
+
+            @Override
+            public void handleCacheEvictError(RuntimeException e, Cache cache, Object key)    {
+                lg.error("Redis occur handleCacheEvictError：key -> [{}]", key, e);
+            }
+
+            @Override
+            public void handleCacheClearError(RuntimeException e, Cache cache) {
+                lg.error("Redis occur handleCacheClearError：", e);
+            }
+        };
+        return cacheErrorHandler;
+    }
+
+    /**
+     * 此内部类就是把yml的配置数据，进行读取，创建JedisConnectionFactory和JedisPool，以供外部类初始化缓存管理器使用
+     * 不了解的同学可以去看@ConfigurationProperties和@Value的作用
+     *
+     */
+    @ConfigurationProperties
+    class DataJedisProperties{
+        @Value("${spring.redis.host}")
+        private  String host;
+        @Value("${spring.redis.password}")
+        private  String password;
+        @Value("${spring.redis.port}")
+        private  int port;
+        @Value("${spring.redis.timeout}")
+        private  int timeout;
+        @Value("${spring.redis.jedis.max-idle}")
+        private int maxIdle;
+        @Value("${spring.redis.jedis.max-wait}")
+        private long maxWaitMillis;
+
+        @SuppressWarnings("deprecation")
+		@Bean
+        JedisConnectionFactory jedisConnectionFactory() {
+            lg.info("Create JedisConnectionFactory successful");
+            JedisConnectionFactory factory = new JedisConnectionFactory();
+            factory.setHostName(host);
+            factory.setPort(port);
+            factory.setTimeout(timeout);
+            factory.setPassword(password);
+            return factory;
+        }
+        @Bean
+        public JedisPool redisPoolFactory() {
+            lg.info("JedisPool init successful，host -> [{}]；port -> [{}]", host, port);
+            JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
+            jedisPoolConfig.setMaxIdle(maxIdle);
+            jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
+
+            JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout, password);
+            return jedisPool;
+        }
+    }
+
+} 
\ No newline at end of file

src/main/resources/application-dev.properties

@@ -20,3 +20,13 @@ spring.datasource.testWhileIdle=true
 spring.datasource.validationQueryTimeout=5
 spring.datasource.validationQuery=SELECT 1
 spring.datasource.timeBetweenEvictionRunsMillis=3600000
+
+######redis 
+spring.redis.host=10.10.0.15
+spring.redis.port=16379
+spring.redis.database=10
+spring.redis.password=
+spring.redis.timeout=3000
+spring.redis.jedis.max-active=5
+spring.redis.jedis.max-idle=5
+spring.redis.jedis.max-wait=5
\ No newline at end of file