在 iPhone 中创建一个目录

发布于 2024-08-02 20:29:03 字数 389 浏览 4 评论 0原文

这有什么问题吗？

#define AUDIO_NOTES_FOLDER [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/myApp/Pictures"]

NSFileManager *NSFm= [NSFileManager defaultManager]; 
BOOL isDir=YES;

if(![NSFm fileExistsAtPath:FILEPATH isDirectory:&isDir])
    if(![NSFm createDirectoryAtPath:FILEPATH attributes:nil])
        NSLog(@"Error: Create folder failed");

原文

What's wrong with that?

#define AUDIO_NOTES_FOLDER [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/myApp/Pictures"]

NSFileManager *NSFm= [NSFileManager defaultManager]; 
BOOL isDir=YES;

if(![NSFm fileExistsAtPath:FILEPATH isDirectory:&isDir])
    if(![NSFm createDirectoryAtPath:FILEPATH attributes:nil])
        NSLog(@"Error: Create folder failed");

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红衣飘飘貌似仙 2024-08-09 20:29:03

createDirectoryAtPath:attributes: 已弃用，您应该使用：

    NSString *dirToCreate = [NSString stringWithFormat:@"%@/newDirectory",[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject]];
    NSError *error = nil;
    BOOL isDir;
    if(![fm fileExistsAtPath:dirToCreate isDirectory:&isDir])
        if(![fm createDirectoryAtPath:dirToCreate withIntermediateDirectories:YES attributes:nil error:&error])
            NSLog(@"Error: Create folder failed");

createDirectoryAtPath:attributes: is deprecated, instead you should use:

    NSString *dirToCreate = [NSString stringWithFormat:@"%@/newDirectory",[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject]];
    NSError *error = nil;
    BOOL isDir;
    if(![fm fileExistsAtPath:dirToCreate isDirectory:&isDir])
        if(![fm createDirectoryAtPath:dirToCreate withIntermediateDirectories:YES attributes:nil error:&error])
            NSLog(@"Error: Create folder failed");

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夜清冷一曲。 2024-08-09 20:29:03

FILEPATH 标记未定义 - 您在文件开头#define AUDIO_NOTES_FOLDER，然后在代码中使用FILEPATH。

另请注意， NSHomeDirectory() 不一定是查找文档目录的推荐方法 - 相反，您可能需要：

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];

The FILEPATH token is undefined - you #define AUDIO_NOTES_FOLDER at the beginning of your file, then use FILEPATH instead in your code.

Also note that NSHomeDirectory() isn't necessarily the recommended way of finding the Documents directory anymore - instead you probably want:

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];

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