rediskey

hazard-sdk/src/main/java/com/ozs/config/FastJson2JsonRedisSerializer.java

@@ -0,0 +1,43 @@
+package com.ozs.config;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONReader;
+import com.alibaba.fastjson2.JSONWriter;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.SerializationException;
+
+import java.nio.charset.Charset;
+
+/**
+ * Redis使用FastJson序列化
+ *
+ * @author hx
+ */
+public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {
+    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
+
+    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, JSONReader.Feature.SupportAutoType);
+    }
+}

hazard-sdk/src/main/java/com/ozs/config/RedisConfig.java

@@ -0,0 +1,98 @@
+package com.ozs.config;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.cache.CacheManager;
+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.cache.RedisCacheConfiguration;
+import org.springframework.data.redis.cache.RedisCacheManager;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+import java.time.Duration;
+
+/**
+ * redis配置
+ *
+ * @author hx
+ */
+@Configuration
+@EnableCaching
+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;
+    }
+
+    @Bean
+    public CacheManager cacheManager(RedisConnectionFactory factory) {
+        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
+        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new
+                Jackson2JsonRedisSerializer(Object.class);
+//解决查询缓存转换异常的问题
+        ObjectMapper om = new ObjectMapper();
+        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
+        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
+        jackson2JsonRedisSerializer.setObjectMapper(om);
+// 配置序列化（解决乱码的问题）,过期时间600秒
+        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
+                .entryTtl(Duration.ofSeconds(600))
+                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
+                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
+                .disableCachingNullValues();
+        RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
+                .cacheDefaults(config)
+                .build();
+        return cacheManager;
+    }
+
+    @Bean
+    public DefaultRedisScript<Long> limitScript() {
+        DefaultRedisScript<Long> redisScript = new DefaultRedisScript<>();
+        redisScript.setScriptText(limitScriptText());
+        redisScript.setResultType(Long.class);
+        return redisScript;
+    }
+
+    /**
+     * 限流脚本
+     */
+    private String limitScriptText() {
+        return "local key = KEYS[1]\n" +
+                "local count = tonumber(ARGV[1])\n" +
+                "local time = tonumber(ARGV[2])\n" +
+                "local current = redis.call('get', key);\n" +
+                "if current and tonumber(current) > count then\n" +
+                "    return tonumber(current);\n" +
+                "end\n" +
+                "current = redis.call('incr', key)\n" +
+                "if tonumber(current) == 1 then\n" +
+                "    redis.call('expire', key, time)\n" +
+                "end\n" +
+                "return tonumber(current);";
+    }
+}

hazard-sdk/src/main/java/com/ozs/controller/upload/GeoHazardMonitorTokenController.java

@@ -197,16 +197,13 @@ public class GeoHazardMonitorTokenController {
                 respMsgAlarmVo.setIsCancel(2);
                 respMsgAlarmVo.setCancelTime(null);
                 // 记录要合成报警视频的报警id
-                String mapStr = redisCache.getCacheObject(RedisConstant.key);
-                Map<String, Object> map = null;
-                if (StringUtils.isEmpty(mapStr)) {
+                Map<String, Object> map = redisCache.getCacheMap(RedisConstant.key);
+                if (ObjectUtils.isEmpty(map)) {
                     map = new HashMap<>();
-                } else {
-                    map = JSON.parseObject(mapStr, Map.class);
                 }
                 map.put(msgAlarm.getAlarmId(), msgAlarm.getAlarmTime());
                 log.info("map:{}", map);
-                redisCache.setCacheObject(RedisConstant.key, JSON.toJSONString(map));
+                redisCache.setCacheObject(RedisConstant.key, map);
             } else {
                 BeanUtils.copyProperties(reqMsgAlarmVo, msgAlarmVice);
                 String[] imageUrl = reqMsgAlarmVo.getImageUrls();