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28 lines
875 B
28 lines
875 B
package com.inspect.nvr.utils;
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import lombok.extern.slf4j.Slf4j;
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import java.nio.charset.StandardCharsets;
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@Slf4j
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public class StringHexConverter {
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// 字符串 -> 十六进制字符串
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public static String toHex(String input) {
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byte[] bytes = input.getBytes(StandardCharsets.UTF_8);
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StringBuilder hex = new StringBuilder(bytes.length * 2);
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for (byte b : bytes) {
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hex.append(String.format("%02x", b));
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}
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return hex.toString();
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}
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// 十六进制字符串 -> 原始字符串
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public static String fromHex(String hex) {
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int length = hex.length();
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byte[] bytes = new byte[length / 2];
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for (int i = 0; i < length; i += 2) {
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bytes[i / 2] = (byte) Integer.parseInt(hex.substring(i, i + 2), 16);
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}
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return new String(bytes, StandardCharsets.UTF_8);
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}
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}
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