摘要：
下面的代码段转自这个网站，备用：http://umlautllama.com/w2/?action=view&page=iPhone%20Helpful%20Coding%20Tips16. Copy a file from your app bundle to DocumentsYou may want to include files with your bundle that get copied into your documents folder in the sandbox. The following code is adapted from the Apple &quo 阅读全文
