如何取得汉字拼音的首字母？？

zhang21cnboy 2003-10-27 08:27:58

http://expert.csdn.net/Expert/topic/2371/2371564.xml?temp=.3090326
希望大家先看看上面这个贴子，上面有人怀疑我倒分！

说一句，如果你上这里来，是为了分，那么我劝你还是不要做程序了，别给俺们做程序的兄弟丢脸。

以下就是俺的源代码：希望对需要的人有用哦！

package com.kefa.zhang.string;

/**
* 标题：中文字符串比较
* 描述：由于java使用unicode编码作为内吗，因此造成汉字的内码与中国国家汉字
* 内码标准不一致，从而导致了中文字符串得比较和排序相当困难。本类在分析以上
* 问题之后，解决的一级汉字(常用)汉字按照拼音排序的问题
* 作者：张润福
*
* */

public class gbkStringCompareTools {
private static String _FromEncode_ = "GBK";
private static String _ToEncode_ = "GBK";
protected gbkStringCompareTools() {
}

public static int compare(String str1,String str2){
int result =0;
String m_s1 = null,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]; //*100左移
}
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 = "";
String current;

for(int i=0;i<a.length();i++){
current = a.substring(i,i+1);
if (gbkStringCompareTools.compare(current,"啊")<0 ) //字母，数字原样返回
result += current;
else if ((gbkStringCompareTools.compare(current, "啊")>=0) && (gbkStringCompareTools.compare(current,"座")) <= 0){
if (gbkStringCompareTools.compare(current,"匝") >= 0)
result += "z";
else if (gbkStringCompareTools.compare(current,"压") >=0)
result += "y";
else if (gbkStringCompareTools.compare(current,"昔") >=0)
result += "x";
else if (gbkStringCompareTools.compare(current,"挖") >=0)
result += "w";
else if (gbkStringCompareTools.compare(current,"塌") >=0)
result += "t";
else if (gbkStringCompareTools.compare(current,"撒") >=0)
result += "s";
else if (gbkStringCompareTools.compare(current,"然") >=0)
result += "r";
else if (gbkStringCompareTools.compare(current,"期") >=0)
result += "q";
else if (gbkStringCompareTools.compare(current,"啪") >=0)
result += "p";
else if (gbkStringCompareTools.compare(current,"哦") >=0)
result += "o";
else if (gbkStringCompareTools.compare(current,"拿") >=0)
result += "n";
else if (gbkStringCompareTools.compare(current,"妈") >=0)
result += "m";
else if (gbkStringCompareTools.compare(current,"垃") >=0)
result += "l";
else if (gbkStringCompareTools.compare(current,"喀") >=0)
result += "k";
else if (gbkStringCompareTools.compare(current,"击") >0)
result += "j";
else if (gbkStringCompareTools.compare(current,"哈") >=0)
result += "h";
else if (gbkStringCompareTools.compare(current,"噶") >=0)
result += "g";
else if (gbkStringCompareTools.compare(current,"发") >=0)
result += "f";
else if (gbkStringCompareTools.compare(current,"蛾") >=0)
result += "e";
else if (gbkStringCompareTools.compare(current,"搭") >=0)
result += "d";
else if (gbkStringCompareTools.compare(current,"擦") >=0)
result += "c";
else if (gbkStringCompareTools.compare(current,"芭") >=0)
result += "b";
else if (gbkStringCompareTools.compare(current,"啊") >=0)
result += "a";
}
}
return result;
}

}

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