NSString&NSMutableArray小demo----文件夹路径

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
    NSMutableArray *arr=[[NSMutableArray alloc]init];
    NSString *str=@"/Users/apple/Desktop/企业项目";//桌面一个文件夹路径
    [arr addObject:str];//往数组添加对象
    NSString *path=[arr objectAtIndex:0];
    NSLog(@"path:%@",path);//path:/Users/apple/Desktop/企业项目
    NSLog(@"str:%@",str);//str:/Users/apple/Desktop/企业项目
    }
    return 0;
}


#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSString *path=@"/Users/apple/Desktop/App Su";
        
        NSArray *arr=[path componentsSeparatedByString:@"/"];
        NSLog(@"arr:%@",arr);
        /*
         arr:(
         "",
         Users,
         apple,
         Desktop,
         "App Su"
         )
         */
        NSString *str=[arr lastObject];
        NSLog(@"str:%@",str);//str:App Su
    }
    return 0;
}