linux 中文文件乱码解决办法

 public static String toUf8String(String s) {

                  StringBuffer sb = new StringBuffer();

                  for (int i = 0; i < s.length(); i++) {

                    char c = s.charAt(i);

                    if (c >= 0 && c <= 255) {

                      sb.append(c);

                    }

                    else {

                      byte[] b;

                      try {

                        b = Character. toString(c).getBytes("utf-8");

                      }

                      catch (Exception ex) {

                        System. out.println(ex);

                        b = new byte [0];

                      }

                      for (int j = 0; j < b.length; j++) {

                        int k = b[j];

                        if (k < 0)

                          k += 256;

                        sb.append( "%" + Integer.toHexString(k).

                                  toUpperCase());

                      }

                    }

                  }

                  return sb.toString();

                }