增加写入拨号,读取数据,优化无障碍
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package com.ttstd.elderlyassistant.utils;
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public class HexUtils {
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// 字节数组转16进制字符串(优化版)
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public static String bytesToHexString(byte[] bytes) {
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if (bytes == null) return "";
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StringBuilder sb = new StringBuilder();
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for (byte b : bytes) {
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sb.append(String.format("%02X", b)); // 直接格式化为大写16进制
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}
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return sb.toString();
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}
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}
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