/**
-
计算单个文件大小
*/
+(long long)fileSizeAtPath:(NSString *)filePath{NSFileManager *manager = [NSFileManager defaultManager];
if ([manager fileExistsAtPath :filePath]){
return [[manager attributesOfItemAtPath :filePath error : nil ] fileSize];}
return 0 ;
}
作者：iOS_凯
链接：http://www.jianshu.com/p/5ebe4f21c486
來源：简书
著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。
/**
-
清理缓存
*/
+(void)cleanCache:(cleanCacheBlock)block
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
//文件路径
NSString *directoryPath=[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject];NSArray *subpaths = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:directoryPath error:nil]; for (NSString *subPath in subpaths) { NSString *filePath = [directoryPath stringByAppendingPathComponent:subPath]; [[NSFileManager defaultManager] removeItemAtPath:filePath error:nil]; } //返回主线程 dispatch_async(dispatch_get_main_queue(), ^{ block(); });});
}
