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August 29, 2015 14:04
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计算缓存大小,清楚缓存
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// remove | |
NSFileManager *fileManager = [NSFileManager defaultManager]; | |
if ([fileManager fileExistsAtPath:cachePath isDirectory:YES]) { | |
connsuccess = [fileManager removeItemAtPath:cachePath error:nil]; | |
} | |
// size bytes | |
- (unsigned long long)sizeForPath:(NSString *)path | |
{ | |
__block unsigned long long size = 0; | |
NSFileManager *fileManager = [NSFileManager defaultManager]; | |
NSArray *subPath = [fileManager subpathsAtPath:path]; | |
[subPath enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { | |
BOOL isDirectory = NO; | |
[fileManager fileExistsAtPath:[path stringByAppendingFormat:@"/%@", obj] isDirectory:&isDirectory]; | |
if (isDirectory) { | |
unsigned long long subPathSize = [self sizeForPath:obj]; | |
size += subPathSize; | |
} else { | |
unsigned long long subPathSize = [[fileManager attributesOfItemAtPath:[path stringByAppendingFormat:@"/%@", obj] error:nil] fileSize]; | |
size += subPathSize; | |
} | |
}]; | |
return size; | |
} |
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