Java 字符转Unicode

static String unicode2String(String unicodeStr)

{

StringBuffer sb = new StringBuffer();

String str[] = unicodeStr.toUpperCase().split("U");

for (int i = 0; i < str.length; i++)

{

if (str[i].equals(""))

continue;

char c = (char) Integer.parseInt(str[i].trim(), 16);

sb.append(c);

}

return sb.toString();

}

 

public static String toUnicode(String s)

{

String as[] = new String[s.length()];

String s1 = "";

for (int i = 0; i < s.length(); i++)

{

as[i] = Integer.toHexString(s.charAt(i) & 0xffff);

s1 = s1 + "\\u" + as[i];

}

return s1;

}

 

public static String toUnicodeString(String s)

{

StringBuffer sb = new StringBuffer();

for (int i = 0; i < s.length(); i++)

{

char c = s.charAt(i);

if (c >= 0 && c <= 255)

{

sb.append(c);

}

else

{

sb.append("\\u" + Integer.toHexString(c));

}

}

return sb.toString();

}