防止缓存穿透

e30faeff · 陈文顺 · ae7af849 · e30faeff
Commit e30faeff authored Nov 12, 2018 by 陈文顺
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demo-service/src/main/java/com/freemud/demo/util/RedisCache.java
+1 -1

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--- a/demo-service/src/main/java/com/freemud/demo/util/RedisCache.java
+++ b/demo-service/src/main/java/com/freemud/demo/util/RedisCache.java
@@ -28,7 +28,7 @@ public abstract class RedisCache<T> {
        value = searchDB(key);
        if (value == null){
-            redisUitl.setEx(redisKey, value,30, TimeUnit.SECONDS);
+            redisUitl.setEx(redisKey, "",30, TimeUnit.SECONDS);
        }else {
            redisUitl.setEx( redisKey,value, getExprie(), TimeUnit.SECONDS);