utf-8转unicode
public static String utf8ToUnicode(String inStr) { char[] myBuffer = inStr.toCharArray(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < inStr.length(); i++) { UnicodeBlock ub = UnicodeBlock.of(myBuffer[i]); if(ub == UnicodeBlock.BASIC_LATIN){ //英文及数字等 sb.append(myBuffer[i]); }else if(ub == UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS){ //全角半角字符 int j = (int) myBuffer[i] - 65248; sb.append((char)j); }else{ //汉字 short s = (short) myBuffer[i]; String hexS = Integer.toHexString(s); String unicode = "\\u"+hexS; sb.append(unicode.toLowerCase()); } } return sb.toString(); }
unicode转utf-8
public static String unicodeToUtf8(String theString) { char aChar; int len = theString.length(); StringBuffer outBuffer = new StringBuffer(len); for (int x = 0; x < len;) { aChar = theString.charAt(x++); if (aChar == '\\') { aChar = theString.charAt(x++); if (aChar == 'u') { // Read the xxxx int value = 0; for (int i = 0; i < 4; i++) { aChar = theString.charAt(x++); switch (aChar) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = (value << 4) + aChar - '0'; break; case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': value = (value << 4) + 10 + aChar - 'a'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = (value << 4) + 10 + aChar - 'A'; break; default: throw new IllegalArgumentException( "Malformed \\uxxxx encoding."); } } outBuffer.append((char) value); } else { if (aChar == 't') aChar = '\t'; else if (aChar == 'r') aChar = '\r'; else if (aChar == 'n') aChar = '\n'; else if (aChar == 'f') aChar = '\f'; outBuffer.append(aChar); } } else outBuffer.append(aChar); } return outBuffer.toString(); }
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