[OC Foundation框架

 1 void exportString()
 2 {
 3     NSString *str = @"Hello, 坑爹";
 4     NSString *path = @"/Users/hellovoidworld/Study/Foundation/NSString/abc.txt";
 5     NSError *error;
 6    
 7     [str writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:&error];
 8    
 9     if(nil == error)
10     {
11         NSLog(@"Write successfully");
12     }
13     else
14     {
15         NSLog(@"Write fail: %@", error);
16     }
17 }
18 
19 int main(int argc, const char * argv[]) {
20     @autoreleasepool {
21         exportString();
22     }
23     return 0;
24 }

Q1:不能使用相对路径？

经过试验发现不能