java 汉语言与Unicode互转

java 中文与Unicode互转

package com.tuan.util;/* * string涓巙nicode涔嬮棿鐩镐簰杞�鎹� */import java.util.regex.Matcher;import java.util.regex.Pattern;public class UnicodeString {//转换为unicodepublic static String encodeUnicode(final String gbString) {           char[] utfBytes = gbString.toCharArray();           String unicodeBytes = "";           for (int byteIndex = 0; byteIndex < utfBytes.length; byteIndex++) {               String hexB = Integer.toHexString(utfBytes[byteIndex]);               if (hexB.length() <= 2) {                   hexB = "00" + hexB;               }               unicodeBytes = unicodeBytes + "\\u" + hexB;           }           return unicodeBytes;    }  //unicode转化汉字       public static StringBuffer decodeUnicode(final String dataStr) {           final StringBuffer buffer = new StringBuffer();           String tempStr = "";           String operStr = dataStr;           if (operStr != null && operStr.indexOf("\\u") == -1)               return buffer.append(operStr);           if (operStr != null && !operStr.equals("")                   && !operStr.startsWith("\\u")) {               tempStr = operStr.substring(0, operStr.indexOf("\\u"));               operStr = operStr.substring(operStr.indexOf("\\u"), operStr.length());// operStr字符一定是以unicode编码字符打头的字符串           }           buffer.append(tempStr);           // 循环处理,处理对象一定是以unicode编码字符打头的字符串           while (operStr != null && !operStr.equals("")&& operStr.startsWith("\\u")) {                tempStr = operStr.substring(0, 6);               operStr = operStr.substring(6, operStr.length());               String charStr = "";               charStr = tempStr.substring(2, tempStr.length());               char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。               buffer.append(new Character(letter).toString());               if (operStr.indexOf("\\u") == -1) {                   buffer.append(operStr);               } else { // 处理operStr使其打头字符为unicode字符                   tempStr = operStr.substring(0, operStr.indexOf("\\u"));                   operStr = operStr.substring(operStr.indexOf("\\u"), operStr.length());                   buffer.append(tempStr);               }           }           return buffer;       }  }