public static String decodeUnicode(String str) { Charset set = Charset.forName("UTF-16"); Pattern p = Pattern.compile("\\u([0-9a-fA-F]{4})"); Matcher m = p.matcher(str); int start = 0; int start2 = 0; StringBuffer sb = new StringBuffer(); while (m.find(start)) { start2 = m.start(); if (start2 > start) { String seg = str.substring(start, start2); sb.append(seg); } String code = m.group(1); int i = Integer.valueOf(code, 16); byte[] bb = new byte[4]; bb[0] = (byte) ((i >> 8) & 0xFF); bb[1] = (byte) (i & 0xFF); ByteBuffer b = ByteBuffer.wrap(bb); sb.append(String.valueOf(set.decode(b)).trim()); start = m.end(); } start2 = str.length(); if (start2 > start) { String seg = str.substring(start, start2); sb.append(seg); } return sb.toString(); }
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/4687/viewspace-2803029/ ，如需转载，请注明出处，否则将追究法律责任。
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