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/**
* 获得单个汉字的Ascii.
* @param cn char
* 汉字字符
* @return int
* 错误返回 0,否则返回ascii
*/
public static int getCnAscii(char cn)
{
byte[] bytes = (String.valueOf(cn)).getBytes();
if(bytes == null || bytes.length > 2 || bytes.length <= 0){ //错误
return 0;
}
if(bytes.length == 1){ //英文字符
return bytes[0];
}
if(bytes.length == 2){ //中文字符
int hightByte = 256 + bytes[0];
int lowByte = 256 + bytes[1];
int ascii = (256 * hightByte + lowByte) - 256 * 256;
//System.out.println("ASCII=" + ascii);
return ascii;
}
return 0; //错误
}
/**
* 根据ASCII码到SpellMap中查找对应的拼音
* @param ascii int
* 字符对应的ASCII
* @return String
* 拼音,首先判断ASCII是否>0&<160,如果是返回对应的字符,
*
否则到SpellMap中查找,如果没有找到拼音,则返回null,如果找到则返回拼音.
*/
public static String getSpellByAscii(int ascii)
{
if(ascii > 0 && ascii < 160){ //单字符
return String.valueOf((char)ascii);
}
if(ascii < -20319 || ascii > -10247){ //不知道的字符
return null;
}
Set keySet = spellMap.keySet();
Iterator it = keySet.iterator();
String spell0 = null;;
String spell = null;
int asciiRang0 = -20319;
int asciiRang;
while(it.hasNext()){
spell = (String)it.next();
Object valObj = spellMap.get(spell);
if(valObj instanceof Integer){
asciiRang = ((Integer)valObj).intValue();
if(ascii >= asciiRang0 && ascii < asciiRang){ //区间找到
return(spell0 == null) ? spell : spell0;
}
else{
spell0 = spell;
asciiRang0 = asciiRang;
}
}
}
return null;
}
/**
* 返回字符串的全拼,是汉字转化为全拼,其它字符不进行转换
* @param cnStr String
* 字符串
* @return String
* 转换成全拼后的字符串
*/
public static String getFullSpell(String cnStr)
{
if(null == cnStr || "".equals(cnStr.trim())){
return cnStr;
}
char[] chars = cnStr.toCharArray();
StringBuffer retuBuf = new StringBuffer();
for(int i = 0,Len = chars.length;i < Len;i++){
int ascii = getCnAscii(chars[i]);
if(ascii == 0){ //取ascii时出错
retuBuf.append(chars[i]);
}
else{
String spell = getSpellByAscii(ascii);
if(spell == null){
retuBuf.append(chars[i]);
}
else{
retuBuf.append(spell);
} // end of if spell == null
} // end of if ascii <= -20400
} // end of for
return retuBuf.toString();
}
public static String getFirstSpell(String cnStr)
{
return null;
}
public static void main(String[] args)
{
String str = null;
str = "谢海101普降喜雨";
System.out.println("Spell=" + CnToSpell.getFullSpell(str));
str = "张牙舞爪》。,";
System.out.println("Spell=" + CnToSpell.getFullSpell(str));
str = "李鹏,可耻下场。";
System.out.println("Spell=" + CnToSpell.getFullSpell(str));
str = "猪油,猪八戒。";
System.out.println("Spell=" + CnToSpell.getFullSpell(str));
}
}