com.google.common.cache.Cache

    1. <dependency>
    2.     <groupId>com.google.guava</groupId>
    3.     <artifactId>guava</artifactId>
    4.     <version>28.2-andriod</version>
    5. </dependency>
    1. // 创建
    2. Cache<String, String> cache = CacheBuilder.newBuilder()
    3.                 .expireAfterWrite(1, TimeUnit.DAYS)
    4.                 .maximumSize(100)
    5.                 .build();
    8. // 使用
    9. cache.get(key, () -> loadValue(key));