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获得汉字拼音首字母的java工具类

王朝java/jsp·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

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";

}

 
 
 
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