[OC Foundation框架

 

 

void exportString()
{
    NSString *str = @"Hello, 坑爹";
    NSString *path = @"/Users/hellovoidworld/Study/Foundation/NSString/abc.txt";
    NSError *error;
   
    [str writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:&error];
   
    if(nil == error)
    {
        NSLog(@"Write successfully");
    }
    else
    {
        NSLog(@"Write fail: %@", error);
    }
}

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        exportString();
    }
    return 0;
}

 

Q1:不能使用相对路径？

经过试验发现不能