package com.ruoyi.fuzhou.utils.hj1239;
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public class StringToHexUtil {
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public static String convertStringToHex(String str) {
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char[] chars = str.toCharArray();
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StringBuffer hex = new StringBuffer();
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for (int i = 0; i < chars.length; i++) {
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hex.append(Integer.toHexString((int) chars[i]));
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}
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return hex.toString();
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}
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public static String convertHexToString(String hex) {
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StringBuilder sb = new StringBuilder();
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StringBuilder temp = new StringBuilder();
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//49204c6f7665204a617661 split into two characters 49, 20, 4c...
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for (int i = 0; i < hex.length() - 1; i += 2) {
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//grab the hex in pairs
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String output = hex.substring(i, (i + 2));
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//convert hex to decimal
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int decimal = Integer.parseInt(output, 16);
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//convert the decimal to character
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sb.append((char) decimal);
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temp.append(decimal);
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}
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return sb.toString();
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}
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//504F533838383834 POS88884
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public static void main(String[] args) {
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// System.out.println("\n-----ASCII码转换为16进制 -----");
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// String str = "POS88884";
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// System.out.println("字符串: " + str);
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// String hex = strToHex.convertStringToHex(str);
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// System.out.println("转换为16进制 : " + hex);
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String hex = "5645574e4256524e323437383439393339";
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System.out.println("\n***** 16进制转换为ASCII *****");
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System.out.println("Hex : " + hex);
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System.out.println("ASCII : " + StringToHexUtil.convertHexToString(hex));
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}
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}
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