package org.edujks.schoolapp.schoolbasedresearch.schoolsubject.action;public class DecodeUtil {/*** @declare native与ascii码互转* @param args* @author Lilin*/public static void main(String[] args) {// TODO Auto-generated method stubString a = chinaToUnicode("飞机f发多少adsfadsfadfad");System.out.println(a);System.out.println(decodeUnicode(a));}/*** 把中文转成Unicode码* * @param str* @return*/public static String chinaToUnicode(String str) {String result = "";for (int i = 0; i < str.length(); i++) {int chr1 = (char) str.charAt(i);if (chr1 >= 19968 && chr1 <= 171941) {// 汉字范围 \u4e00-\u9fa5 (中文)result += "\\u" + Integer.toHexString(chr1);} else {result += str.charAt(i);}}return result;}/*** 判断是否为中文字符* * @param c* @return*/public static boolean isChinese(char c) {Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {return true;}return false;}/**** 转码* * @param theString* @return* * @time 2012-6-13 下午5:54:34 TODO*/public static String decodeUnicode(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') {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);}} elseoutBuffer.append(aChar);}return outBuffer.toString();}}