FileUtils.java

package jianshu.io.app.util;

import java.io.File;

/**
 * Created by Administrator on 2014/5/25.
 */
public class FileUtils {
  public static boolean deleteDirectory(File dir) {
    if (!dir.exists() || !dir.isDirectory()) {
      return false;
    }

    String[] files = dir.list();
    for (int i = 0, len = files.length; i < len; i++) {
      File f = new File(dir, files[i]);
      if (f.isDirectory()) {
        deleteDirectory(f);
      } else {
        f.delete();
      }
    }
    return dir.delete();
  }
}