讀取txt文件中的16進制數組,默認以16進制字符方式讀取,每個字符佔1個字節,默認以ASCii類型讀取出來;16進制byte需要將兩個字符組成1個字節的byte類型;
char * cArray = new char[]{'E' , 'F' , '2' ,'A'};
byte * by16 = new byte[cArray長度 / 2];
for (int i = 0, j=0; i < cArray長度; )
{
//兩個字符組成一個字節
byte by1 = (byte)cArray[i];
byte by2 = (byte)cArray[i+1];
by1 = by1 < 58 ? (by1 - 48) : (by1 - 55); //默認大寫字符,小寫字符需替換58這個數值,下同
by2 = by2 < 58 ? (by2 - 48) : (by2 - 55);
byte by3 = by1*16 + by2;
by16[j++] = by3;
i += 2;
}