java中把汉字转换成简拼的实现代码

public static void main(string[] args) {
  string str = null;
  str = "顾亮";
  system.out.println("spell=" + tojp(str));

 }

 public static string tojp(string c){

     char[] chars = c.tochararray();

     stringbuffer sb = new stringbuffer("");

     for(int i=0;i<chars.length;i++){
      sb.append(getjp(chars[i]));
     }

     return sb.tostring().touppercase();
  }
  public static string getjp(char c)
      {
              byte[] array = new byte[2];
              try {
      array = string.valueof(c).getbytes("gbk");
     } catch (unsupportedencodingexception e) {
      // todo auto-generated catch block
      e.printstacktrace();
     }
              if(array.length<2)return string.valueof(c);
              int i = (short)(array[0] - '/0' + 256) * 256 + ((short)(array[1] - '/0' + 256));
              if ( i < 0xb0a1) return string.valueof(c);
              if ( i < 0xb0c5) return "a";
              if ( i < 0xb2c1) return "b";
              if ( i < 0xb4ee) return "c";
              if ( i < 0xb6ea) return "d";
              if ( i < 0xb7a2) return "e";
              if ( i < 0xb8c1) return "f";
              if ( i < 0xb9fe) return "g";
              if ( i < 0xbbf7) return "h";
              if ( i < 0xbfa6) return "j";
              if ( i < 0xc0ac) return "k";
              if ( i < 0xc2e8) return "l";
              if ( i < 0xc4c3) return "m";
              if ( i < 0xc5b6) return "n";
              if ( i < 0xc5be) return "o";
              if ( i < 0xc6da) return "p";
              if ( i < 0xc8bb) return "q";
              if ( i < 0xc8f6) return "r";
              if ( i < 0xcbfa) return "s";
              if ( i < 0xcdda) return "t";
              if ( i < 0xcef4) return "w";
              if ( i < 0xd1b9) return "x";
              if ( i < 0xd4d1) return "y";
              if ( i < 0xd7fa) return "z";
              return string.valueof(c);
      }