NSCache
2017-05-24 本文已影响44人
孙健会员
@property NSUInterger countLimit;//cache上限
@property NSUInterger totalCostLimit;//cache上限
- (id)objectForKey:(id)key;
- (void)setObject:(id)obj forKey:(id)key;
- (void)removeObjectForkey:(id)key
- (void)removeAllObjects;
