物聯網開發中,通過nb-iot發布過來的資料很多都是base64的資料,我們需要進行轉換16進制后續轉換10進制加以顯示,以下提供base64轉16進制方法,代碼如下:
原資料:
/4YAAAAFAAB1fDAwMDB8AAAAAAAAAAAAAAB8AAAAAAAAAAAAAHwAAAAAAAAAAAAAfAHzfAB8AAAAAHwAAA==
private static final char[] DIGITS
= {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
public static final String toHex(byte[] data) {
final StringBuffer sb = new StringBuffer(data.length * 2);
for (int i = 0; i < data.length; i++) {
sb.append(DIGITS[(data[i] >>> 4) & 0x0F]);
sb.append(DIGITS[data[i] & 0x0F]);
}
return sb.toString();
}
通過方法轉換后:
ff86000000050000757c303030307c00000000000000000000007c000000000000000000007c000000000000000000007c01f37c007c000000007c0000
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