see 10/03 log

Author: Blankj

utilcode/src/main/java/com/blankj/utilcode/utils/ConvertUtils.java

@@ -65,9 +65,12 @@ public static String bytes2HexString(byte[] bytes) {
      * @return 字节数组
      */
     public static byte[] hexString2Bytes(String hexString) {
-        int len = hexString.length() + 1;
-        String evenHex = len % 2 != 0 ? hexString : ("0" + hexString);
-        char[] hexBytes = evenHex.toUpperCase().toCharArray();
+        int len = hexString.length();
+        if(len % 2 !=0){
+            hexString = "0" + hexString;
+            len = len + 1;
+        }
+        char[] hexBytes = hexString.toUpperCase().toCharArray();
         byte[] ret = new byte[len >> 1];
         for (int i = 0; i < len; i += 2) {
             ret[i >> 1] = (byte) (hex2Dec(hexBytes[i]) << 4 | hex2Dec(hexBytes[i + 1]));