@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;
@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;
本文标题:NSCache
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