Java 刪除文件夾和子文件夾中的所有文件

 public boolean deletefile(String path){
  boolean flag = false;
  File file = new File(path);
  if (!file.exists()) {
   return false;
  }
  if (!file.isDirectory()) {
   return false;
  }
  String[] str = file.list();
  for (int i = 0; i < str.length; i++) {
   System.out.println("333:"+str[i]);
   File fi = new File(path + "/" + str[i]);
   if (path.endsWith(file.separator)) {
    fi = new File(path + str[i]);
   } else {
    fi = new File(path + fi.separator + str[i]);
   }

if(fi.exists()||fi.list().length==0){
    File myFilePath = new File(path+"/"+str[i]);

    myFilePath.delete();
    }
   if(fi.isDirectory())//如果文件假內還有 就繼續調用本方法

    {

    deletefile(path+"/"+str[i]);

    }else{
     fi.delete();
       }
}
  return true;
 } </pre>