package com.my.page; public class StringToAscii {     private static String toHexUtil(int n){         String rt="";         switch(n){         case 10:rt+="A";break;         case 11:rt+="B";break;         case 12:rt+="C";break;         case 13:rt+="D";break;         case 14:rt+="E";break;         case 15:rt+="F";break;         default:             rt+=n;         }         return rt;     }     public static String toHex(int n){         StringBuilder sb=new StringBuilder();         if(n/16==0){             return toHexUtil(n);         }else{             String t=toHex(n/16);             int nn=n;             sb.append(t).append(toHexUtil(nn));         }         return sb.toString();     }     public static String parseAscii(String str){         StringBuilder sb=new StringBuilder();         byte[] bs=str.getBytes();         for(int i=0;i<bs.length;i++)             sb.append(toHex(bs[i]));         return sb.toString();     }     public static void main(String args[]){         String s="xyz";         System.out.println("转换后的字符串是："+StringToAscii.parseAscii(s));     } }