1 public static void main(String[] args) {
2 String s = "测试";
3 String tt = gbEncoding(s); // String tt1 = "你好，我想给你说一个事情";
4 System.err.println(s + " to unicode :" + tt);
5 System.err.println(tt + " decode unicode :" + decodeUnicode(tt));
6 }
7
8 public static String gbEncoding(final String gbString) {
9 char[] utfBytes = gbString.toCharArray();
10 String unicodeBytes = "";
11 for (int byteIndex = 0; byteIndex < utfBytes.length; byteIndex++) {
12 String hexB = Integer.toHexString(utfBytes[byteIndex]);
13 if (hexB.length() <= 2) {
14 hexB = "00" + hexB;
15 }
16 unicodeBytes = unicodeBytes + "\\u" + hexB;
17 }
18 return unicodeBytes;
19 }
20
21 public static String decodeUnicode(final String dataStr) {
22 int start = 0;
23 int end = 0;
24 final StringBuffer buffer = new StringBuffer();
25 while (start > -1) {
26 end = dataStr.indexOf("\\u", start + 2);
27 String charStr = "";
28 if (end == -1) {
29 charStr = dataStr.substring(start + 2, dataStr.length());
30 } else {
31 charStr = dataStr.substring(start + 2, end);
32 }
33 char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。
34 buffer.append(new Character(letter).toString());
35 start = end;
36 }
37 return buffer.toString();
38 }
