- (float)checkTmpSize

{

float totalSize = 0;

NSDirectoryEnumerator *fileEnumerator = [[NSFileManager defaultManager] enumeratorAtPath:_diskCachePath];

for (NSString *fileName in fileEnumerator)

{

NSString *filePath = [_diskCachePath stringByAppendingPathComponent:fileName];

NSDictionary *attrs = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];

unsigned long long length = [attrs fileSize];

totalSize += length / 1024.0 / 1024.0;

}

// NSLog(@"tmp size is %.2f",totalSize);

return totalSize;

}