IOS之文件夹创建、删除，图片在本地的保存和加载

时间：2016-06-12 00:16:32 阅读：202 评论：0 收藏：0 [点我收藏+]

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本文转自http://blog.csdn.net/toddmi/article/details/8204102

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= (dirName);
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:imageDir isDirectory:&isDir];
= ;
== YES && == YES) )
= [fileManager createDirectoryAtPath:imageDir withIntermediateDirectories:YES attributes:nil error:nil];
= (dirName);
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:imageDir isDirectory:&isDir];
= ;
== YES && == YES )
= [fileManager removeItemAtPath:imageDir error:nil];
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:directoryPath isDirectory:&isDir];
= ;
== YES && == YES )
= [UIImagePNGRepresentation(image) writeToFile:[directoryPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.%@", imageName, @"png"]] options:NSAtomicWrite error:nil];
= [UIImageJPEGRepresentation(image, 1.0) writeToFile:[directoryPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.%@", imageName, @"jpg"]] options:NSAtomicWrite error:nil];
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:directoryPath isDirectory:&isDir];
== YES && == YES )
= [directoryPath stringByAppendingString : imageName];
= [fileManager fileExistsAtPath:imagePath];
= [NSData dataWithContentsOfFile : imagePath];

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= (dirName);
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:imageDir isDirectory:&isDir];
= ;
== YES && == YES) )
= [fileManager createDirectoryAtPath:imageDir withIntermediateDirectories:YES attributes:nil error:nil];
= (dirName);
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:imageDir isDirectory:&isDir];
= ;
== YES && == YES )
= [fileManager removeItemAtPath:imageDir error:nil];
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:directoryPath isDirectory:&isDir];
= ;
== YES && == YES )
= [UIImagePNGRepresentation(image) writeToFile:[directoryPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.%@", imageName, @"png"]] options:NSAtomicWrite error:nil];
= [UIImageJPEGRepresentation(image, 1.0) writeToFile:[directoryPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.%@", imageName, @"jpg"]] options:NSAtomicWrite error:nil];
= ;
= [NSFileManager defaultManager];
= [fileManager fileExistsAtPath:directoryPath isDirectory:&isDir];
== YES && == YES )
= [directoryPath stringByAppendingString : imageName];
= [fileManager fileExistsAtPath:imagePath];
= [NSData dataWithContentsOfFile : imagePath];

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原文地址：http://www.cnblogs.com/feiyu-mdm/p/5576254.html

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