检查文件是否存在？

Question

我是iPhone编程的新手.检查文件是否存在的正确方法是什么？

Answer 1

BOOL isDirectory = NO;
if ( [[NSFileManager defaultManager] 
  fileExistsAtPath:path 
  isDirectory: &isDirectory ]) {
// file already exists

} else {
// file does not yet exist 

}