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天天热消息:NSBundle怎么使用?注意mainBundle和Custom Bundle的区别

来源:CSDN 时间:2023-04-20 08:42:18

1、[NSBundle mainBundle],文件夹其实是Group,如左侧的树形文件管理器

Build之后,文件直接就复制到了根目录下,于是读取的方法,应该是这样:


(相关资料图)

NSString *earth = [[NSBundle mainBundle] pathForResource:@"Brad Cox" ofType:@"png"];

2、使用文件夹的时候,Build结果

依然使用同样的方法,不需要制定文件夹路径

//inDirectory参数可有可无

NSString *earth = [[NSBundle mainBundle] pathForResource:@"Matthijs" ofType:@"png" inDirectory:@"Images/MoreImages"]; NSString *earth = [[NSBundle mainBundle] pathForResource:@"Matthijs" ofType:@"png"];

编译之后,mainBundle的资源都是放到RootFolder下,所以,可以直接访问,不要指定内部路径

3、使用其他的Bundle

NSString *resourceBundle = [[NSBundle mainBundle] pathForResource:@"Resources" ofType:@"bundle"];    NSLog(@"resourceBundle: %@", resourceBundle);    NSString *earth = [[NSBundlebundleWithPath:resourceBundle] pathForResource:@"Matthijs"ofType:@"jpg"inDirectory:@"Images/MoreImages"];    NSLog(@"path: %@", earth);

使用Custom bundle,访问内部的子文件夹,需要指定inDirectory参数,这个mainBundle不同,这是为何?

注意:Sincebundles other than the main bundle can have folders embedded inside them, to accessfiles inside folders of a bundle other than the main bundle it is best to use the pathForResource:ofType:inDirectory: method of NSBundle to explicitly specify the folder inwhich a specific file/resource exists.

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