redis 设置

pom.xml

@@ -41,14 +41,21 @@
             <artifactId>dynamic-datasource-spring-boot-starter</artifactId>
             <version>${dynamic-datasource.version}</version>
         </dependency>
-
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>2.0.33</version>
+        </dependency>
         <!-- 代码生成器 -->
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-generator</artifactId>
             <version>${mybatis-plus.version}</version>
         </dependency>
-
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
         <!-- 模板引擎 -->
         <dependency>
             <groupId>org.apache.velocity</groupId>

src/main/java/com/aps/common/util/redis/RedisLockUtil.java

+package com.aps.common.util.redis;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.redis.connection.RedisStringCommands;
+import org.springframework.data.redis.connection.ReturnType;
+import org.springframework.data.redis.core.RedisCallback;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.types.Expiration;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Redis分布式锁
+ *
+ * @author Administrator
+ */
+@Slf4j
+@Component
+@Import(RedisUtils.class)
+public class RedisLockUtil {
+
+    public RedisLockUtil(RedisTemplate<String, Object> redisTemplate) {
+        this.redisTemplate = redisTemplate;
+    }
+
+    private RedisTemplate<String, Object> redisTemplate;
+
+    private static final byte[] SCRIPT_RELEASE_LOCK = "if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end".getBytes();
+
+    /**
+     * 尝试获取分布式锁
+     *
+     * @param key       键
+     * @param requestId 请求ID
+     * @param expire    锁的有效时间（秒）
+     */
+    public Boolean tryLock(String key, String requestId, long expire) {
+        return redisTemplate.execute((RedisCallback<Boolean>) redisConnection -> redisConnection.set(key.getBytes(), requestId.getBytes(), Expiration.from(expire, TimeUnit.SECONDS), RedisStringCommands.SetOption.SET_IF_ABSENT));
+    }
+
+    /**
+     * 释放分布式锁
+     *
+     * @param key       键
+     * @param requestId 请求ID
+     */
+    public Boolean releaseLock(String key, String requestId) {
+        return redisTemplate.execute((RedisCallback<Boolean>) redisConnection -> redisConnection.eval(SCRIPT_RELEASE_LOCK, ReturnType.BOOLEAN, 1, key.getBytes(), requestId.getBytes()));
+    }
+
+}
\ No newline at end of file

src/main/java/com/aps/config/RedisConfiguration.java

+package com.aps.config;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+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;
+
+/**
+ * Redis基础配置类
+ *
+ * @author pangu
+ */
+@Configuration
+@Lazy(value = false)
+@EnableCaching
+public class RedisConfiguration {
+
+    @Bean
+    @ConditionalOnMissingBean
+    public RedisSerializer<String> redisKeySerializer() {
+        return new Jackson2JsonRedisSerializer(String.class);
+    }
+
+    @Bean
+    @ConditionalOnMissingBean
+    public RedisSerializer<Object> redisValueSerializer() {
+        return new Jackson2JsonRedisSerializer(Object.class);
+    }
+
+
+
+    @Bean
+    public RedisTemplate redisTemplate(RedisConnectionFactory factory) {
+        RedisTemplate template = new RedisTemplate();
+        //LettuceConnectionFactory
+        template.setConnectionFactory(factory);
+        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
+        ObjectMapper om = new ObjectMapper();
+        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
+        om.activateDefaultTyping(om.getPolymorphicTypeValidator(), ObjectMapper.DefaultTyping.NON_FINAL);
+        jackson2JsonRedisSerializer.setObjectMapper(om);
+
+        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
+        // key采用String的序列化方式
+        template.setKeySerializer(stringRedisSerializer);
+        // hash的key也采用String的序列化方式
+        template.setHashKeySerializer(stringRedisSerializer);
+        // value序列化方式采用jackson
+        template.setValueSerializer(jackson2JsonRedisSerializer);
+        // hash的value序列化方式采用jackson
+        template.setHashValueSerializer(jackson2JsonRedisSerializer);
+        template.afterPropertiesSet();
+        return template;
+    }
+}

src/main/resources/application.yml

@@ -9,7 +9,12 @@ spring:
   mvc:
     pathmatch:
       matching-strategy: ant_path_matcher  # Spring Boot 2.6+ 需要这个配置
-
+  redis:
+    host: 192.168.0.181
+    port: 6380
+    timeout: 10000
+    database: 10
+    password: redis@228!
   # Swagger 配置
   doc:
     swagger-ui: