package com.yami.trading.common.util;
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public class UnicodeUtils {
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public static void main(String[] args) {
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String s = "💰💰";
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System.out.println(s+"=="+gbEncoding(s));
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System.out.println(gbEncoding(s) + " --转换成中文是:"+decodeUnicode(gbEncoding(s)));
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//System.out.println(gbEncoding(s) + " --转换成中文是:"+decodeUnicode("\\u7b80\\u4ecb"));
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}
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/*
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* 文本转unicode编码
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*/
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public static String gbEncoding(final String gbString) {
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char[] utfBytes = gbString.toCharArray();
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String unicodeBytes = "";
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for (int i = 0; i < utfBytes.length; i++) {
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String hexB = Integer.toHexString(utfBytes[i]);
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if (hexB.length() <= 2) {
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hexB = "00" + hexB;
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}
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unicodeBytes = unicodeBytes + "\\u" + hexB;
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}
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return unicodeBytes;
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}
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/*
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* unicode编码还原
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*/
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public static String decodeUnicode(final String dataStr) {
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if(dataStr==null||!dataStr.startsWith("\\u")) {
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return dataStr;
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}
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int start = 0;
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int end = 0;
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final StringBuffer buffer = new StringBuffer();
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while (start > -1) {
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end = dataStr.indexOf("\\u", start + 2);
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String charStr = "";
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if (end == -1) {
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charStr = dataStr.substring(start + 2, dataStr.length());
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} else {
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charStr = dataStr.substring(start + 2, end);
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}
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char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。
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buffer.append(new Character(letter).toString());
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start = end;
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}
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return buffer.toString();
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}
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}
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