parent
ad4e5af7c7
commit
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package com.monke.monkeybook.utils;
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public class ParseSystemUtil {
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/**将二进制转换成16进制
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* @param buf
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* @return
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*/
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public static String parseByte2HexStr(byte buf[]) {
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StringBuffer sb = new StringBuffer();
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for (int i = 0; i < buf.length; i++) {
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String hex = Integer.toHexString(buf[i] & 0xFF);
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if (hex.length() == 1) {
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hex = '0' + hex;
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}
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sb.append(hex.toUpperCase());
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}
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return sb.toString();
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}
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/**将16进制转换为二进制
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* @param hexStr
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* @return
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*/
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public static byte[] parseHexStr2Byte(String hexStr) {
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if (hexStr==null || hexStr.length() ==0) {
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return null;
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}
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byte[] result = new byte[hexStr.length()/2];
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for (int i = 0;i< hexStr.length()/2; i++) {
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int high = Integer.parseInt(hexStr.substring(i*2, i*2+1), 16);
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int low = Integer.parseInt(hexStr.substring(i*2+1, i*2+2), 16);
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result[i] = (byte) (high * 16 + low);
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}
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return result;
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}
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}
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