java实现汉字、字符转为十六进制

本文地址：http://blog.csdn.net/jelly1314520/article/details/10149593

代码实现了中文汉字及字符转为十六进制，采用gbk编码方式实现，也可在调用getBytes()方法时自行定义方法参数，缺省情况下是默认获取当前工程编码方式。

package com.jelly.coding;import java.io.UnsupportedEncodingException;public class HexUtils {private static String hexString = "0123456789ABCDEF";public static String encodeCN(String data) {byte[] bytes;try {bytes = data.getBytes("gbk");StringBuilder sb = new StringBuilder(bytes.length * 2);for (int i = 0; i < bytes.length; i++) {sb.append(hexString.charAt((bytes[i] & 0xf0) >> 4));sb.append(hexString.charAt((bytes[i] & 0x0f) >> 0));}return sb.toString();} catch (UnsupportedEncodingException e) {e.printStackTrace();}return "";}public static String encodeStr(String data) {String result = "";byte[] bytes;try {bytes = data.getBytes("gbk");for (int i = 0; i < bytes.length; i++) {result += Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1);}return result;} catch (UnsupportedEncodingException e) {e.printStackTrace();}return "";}/** * 判定是否为中文汉字 * @param data * @return */public static boolean isCN(String data) {boolean flag = false;String regex = "^[\u4e00-\u9fa5]*$";if (data.matches(regex)) {flag = true;}return flag;}public static String getHexResult(String targetStr) {StringBuilder hexStr = new StringBuilder();int len = targetStr.length();if (len > 0) {for (int i = 0; i < len; i++) {char tempStr = targetStr.charAt(i);String data = String.valueOf(tempStr);if (isCN(data)) {hexStr.append(encodeCN(data));} else {hexStr.append(encodeStr(data));}}}return hexStr.toString();}/** * @param args */public static void main(String[] args) {System.out.println(getHexResult("测试：1105165644984"));}}