下面是解码
- const BYTE Base64IdxTab[128] = {
- 255,255,255,255, 255,255,255,255, 255,255,255,255, 255,255,255,255, 255,255,255,255, 255,255,255,255, 255,255,255,255, 255,255,255,255,
- 255,255,255,255, 255,255,255,255, 255,255,255,62, 255,255,255,63, 52,53,54,55, 56,57,58,59, 60,61,255,255, 255,255,255,255,
- 255,0,1,2, 3,4,5,6, 7,8,9,10, 11,12,13,14, 15,16,17,18, 19,20,21,22, 23,24,25,255, 255,255,255,255,
- 255,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, 41,42,43,44, 45,46,47,48, 49,50,51,255, 255,255,255,255
- };
- #define BVal(x) Base64IdxTab[x]










