关键字: java unicode convert 转换
Java代码 Java代码 package com.test; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; public class UnicodeByteUtil { public static void main(String[] args) { UnicodeByteUtil instance = new UnicodeByteUtil(); BufferedReader reader = new BufferedReader(new InputStreamReader( System.in)); String line; try { while ((line = reader.readLine()) != null) { if (line.trim().equals("q")) System.exit(0); String s = instance.getBytes(line); System.out.println("bytes:" + s); // System.out.println("line:"+); } } catch (IOException e) { e.printStackTrace(); } } String getBytes(String s) { try { StringBuffer out = new StringBuffer(""); byte[] bytes = s.getBytes("unicode"); for (int i = 0; i < bytes.length; i++) System.out.println(bytes[i]); for (int i = 2; i < bytes.length - 1; i += 2) { // * out.append("\\u"); String str = Integer.toHexString(bytes[i + 1] & 0xff);// ** for (int j = str.length(); j < 2; j++) { out.append("0");// *** } String str1 = Integer.toHexString(bytes[i] & 0xff); out.append(str); out.append(str1); } return out.toString(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); return null; } } } package com.test; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; public class UnicodeByteUtil { public static void main(String[] args) { UnicodeByteUtil instance = new UnicodeByteUtil(); BufferedReader reader = new BufferedReader(new InputStreamReader( System.in)); String line; try { while ((line = reader.readLine()) != null) { if (line.trim().equals("q")) System.exit(0); String s = instance.getBytes(line); System.out.println("bytes:" + s); // System.out.println("line:"+); } } catch (IOException e) { e.printStackTrace(); } } String getBytes(String s) { try { StringBuffer out = new StringBuffer(""); byte[] bytes = s.getBytes("unicode"); for (int i = 0; i < bytes.length; i++) System.out.println(bytes[i]); for (int i = 2; i < bytes.length - 1; i += 2) { // * out.append("\\u"); String str = Integer.toHexString(bytes[i + 1] & 0xff);// ** for (int j = str.length(); j < 2; j++) { out.append("0");// *** } String str1 = Integer.toHexString(bytes[i] & 0xff); out.append(str); out.append(str1); } return out.toString(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); return null; } } } Java代码 public static String loadConvert(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(); } public static String loadConvert(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(); } Java代码 private static String unicodeToGB(String s) { StringBuffer sb = new StringBuffer(); StringTokenizer st = new StringTokenizer(s, "\\u"); while (st.hasMoreTokens()) { sb.append( (char) Integer.parseInt(st.nextToken(), 16)); } return sb.toString(); } 相关资源：中英文与Unicode码互转