获取缓存:缓存
//获取缓存图片的大小(字节)async
NSUInteger bytesCache = [[SDImageCache sharedImageCache] getSize];spa
//换算成 MB (注意iOS中的字节之间的换算是1000不是1024)图片
float MBCache = bytesCache/1000.00/1000.00;get
清除缓存:io
dispatch_async(dispatch_get_global_queue(0, 0), ^{float
[[SDImageCache sharedImageCache] clearDiskOnCompletion:nil];queue
});di