中文和unicode互相转换
package unicode;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
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public class CodeChange {
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/*
?* ?把中文字符串转换为十六进制Unicode编码字符串
?*/
?public static String stringToUnicode(String s) {
??String str = "";
??for (int i = 0; i < s.length(); i++) {
???int ch = (int) s.charAt(i);
???if (ch > 255)
????str += "\\u" + Integer.toHexString(ch);
???else
?????str += "\" + Integer.toHexString(ch);
??}
??return str;
?}
?
/*
?*? 把十六进制Unicode编码字符串转换为中文字符串
?*/
??? public static String unicodeToString(String str) {
??????? Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");???
??????? Matcher matcher = pattern.matcher(str);
??????? char ch;
??????? while (matcher.find()) {
??????????? ch = (char) Integer.parseInt(matcher.group(2), 16);
??????????? str = str.replace(matcher.group(1), ch + "");???
??????? }
??????? return str;
??? }
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?public static void main(String[] args) {
??// 直接以Unicode字符串的方式初始化字符串时，会自动
??String s1 = "配置成功，重启后生效";
??System.out.println("s1: " + s1);
??
??//转换汉字为Unicode码
??String s2 = "配置成功，重启后生效";
??s2 = CodeChange.stringToUnicode(s2);
??System.out.println("s2: " + s2);
??//转换Unicode码为汉字
??String s3 = CodeChange.unicodeToString(s2);
??System.out.println("s3: " + s3);
?}
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}
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