十六进制Unicode编码字符串与中文字符串互转

[代码] [Java]代码

01	package service;

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06	import java.util.regex.Matcher;

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08	import java.util.regex.Pattern;

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13	public class CodeChange {

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/*

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20	*  把中文字符串转换为十六进制Unicode编码字符串

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*/

23

24	public static String stringToUnicode(String s) {

25	String str = "";

26	for (int i = 0; i < s.length(); i++) {

27	int ch = (int) s.charAt(i);

28	if (ch > 255)

29	str += "\\u" + Integer.toHexString(ch);

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else

31	str += "\\" + Integer.toHexString(ch);

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}

33	return str;

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}

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/*

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40	*  把十六进制Unicode编码字符串转换为中文字符串

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*/

43

44	public static String unicodeToString(String str) {

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46	Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");

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48	Matcher matcher = pattern.matcher(str);

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char ch;

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52	while (matcher.find()) {

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54	ch = (char) Integer.parseInt(matcher.group(2), 16);

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56	str = str.replace(matcher.group(1), ch + "");

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}

59

60	return str;

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}

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66	public static void main(String[] args) {

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70	// 直接以Unicode字符串的方式初始化字符串时，会自动

71

72	String s1 = "\\配\\置\\成\\功\\，\\重\\启\\后\\生\\效";

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74	System.out.println("s1: " + s1);

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77

78	//转换汉字为Unicode码

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80	String s2 = "配置成功，重启后生效";

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82	s2 = CodeChange.stringToUnicode(s2);

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84	System.out.println("s2: " + s2);

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87

88	//转换Unicode码为汉字

89	String aaa ="\u4ec0\u4e48\u662f\u5b89\u5168\u63a7\u4ef6\uff1f###\u5b89\u5168\u63a7\u4ef6\u53ef\u4ee5\u4fdd\u8bc1\u7528\u6237\u7684\u5bc6\u7801\u4e0d\u88ab\u7a83\u53d6\uff0c\u4ece\u800c\u4fdd\u8bc1\u8d44\u91d1\u5b89\u5168";

90	String s3 = CodeChange.unicodeToString(aaa);

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92	System.out.println("s3: " + s3);

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}

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}