汉字转拼音首字母Java版

public class GetCh2Spell {    public static int compare(String str1, String str2)     {         int result = 0;         String m_s1 = null;         String m_s2 = null;         try         {             m_s1 = new String(str1.getBytes(_FromEncode_), _ToEncode_);             m_s2 = new String(str2.getBytes(_FromEncode_), _ToEncode_);         }         catch(Exception e)         {             return str1.compareTo(str2);         }         result = chineseCompareTo(m_s1, m_s2);         return result;     }     public static int getCharCode(String s)     {         if(s == null || s.equals(""))             return -1;         byte b[] = s.getBytes();         int value = 0;         for(int i = 0; i < b.length && i <= 2; i++)             value = value * 100 + b[i];         return value;     }     public static int chineseCompareTo(String s1, String s2)     {         int len1 = s1.length();         int len2 = s2.length();         int n = Math.min(len1, len2);         for(int i = 0; i < n; i++)         {             int s1_code = getCharCode(s1.charAt(i) + "");             int s2_code = getCharCode(s2.charAt(i) + "");             if(s1_code * s2_code < 0)                 return Math.min(s1_code, s2_code);             if(s1_code != s2_code)                 return s1_code - s2_code;         }         return len1 - len2;     }     public static String getBeginCharacter(String res)     {         String a = res;         String result = "";         for(int i = 0; i < a.length(); i++)         {             String current = a.substring(i, i + 1);             if(compare(current, "\u554A") < 0)                 result = result + current;             else             if(compare(current, "\u554A") >= 0 && compare(current, "\u5EA7") <= 0)                 if(compare(current, "\u531D") >= 0)                     result = result + "z";                 else                 if(compare(current, "\u538B") >= 0)                     result = result + "y";                 else                 if(compare(current, "\u6614") >= 0)                     result = result + "x";                 else                 if(compare(current, "\u6316") >= 0)                     result = result + "w";                 else                 if(compare(current, "\u584C") >= 0)                     result = result + "t";                 else                 if(compare(current, "\u6492") >= 0)                     result = result + "s";                 else                 if(compare(current, "\u7136") >= 0)                     result = result + "r";                 else                 if(compare(current, "\u671F") >= 0)                     result = result + "q";                 else                 if(compare(current, "\u556A") >= 0)                     result = result + "p";                 else                 if(compare(current, "\u54E6") >= 0)                     result = result + "o";                 else                 if(compare(current, "\u62FF") >= 0)                     result = result + "n";                 else                 if(compare(current, "\u5988") >= 0)                     result = result + "m";                 else                 if(compare(current, "\u5783") >= 0)                     result = result + "l";                 else                 if(compare(current, "\u5580") >= 0)                     result = result + "k";                 else                 if(compare(current, "\u51FB") > 0)                     result = result + "j";                 else                 if(compare(current, "\u54C8") >= 0)                     result = result + "h";                 else                 if(compare(current, "\u5676") >= 0)                     result = result + "g";                 else                 if(compare(current, "\u53D1") >= 0)                     result = result + "f";                 else                 if(compare(current, "\u86FE") >= 0)                     result = result + "e";                 else                 if(compare(current, "\u642D") >= 0)                     result = result + "d";                 else                 if(compare(current, "\u64E6") >= 0)                     result = result + "c";                 else                 if(compare(current, "\u82AD") >= 0)                     result = result + "b";                 else                 if(compare(current, "\u554A") >= 0)                     result = result + "a";         }         return result;     }     public static String getFirstStr(String str)     {         char a = str.charAt(0);         char aa[] = {             a         };         String sss = new String(aa);         if(Character.isDigit(aa[0]))             sss = "data";         else         if(a >= 'a' && a <= 'z' || a >= 'A' && a <= 'Z')             sss = "character";         else             sss = getBeginCharacter(sss);         return sss;     }     private static String _FromEncode_ = "GBK";     private static String _ToEncode_ = "GBK";}