從HID文檔里摘出來的，供大家參考一下

0 00 Reserved (no event indicated)9 N/A √ √ √ 4/101/104

1 01 Keyboard ErrorRollOver9 N/A √ √ √ 4/101/104

2 02 Keyboard POSTFail9 N/A √ √ √ 4/101/104

3 03 Keyboard ErrorUndefined9 N/A √ √ √ 4/101/104

4 04 Keyboard a and A4 31 √ √ √ 4/101/104

5 05 Keyboard b and B 50 √ √ √ 4/101/104

6 06 Keyboard c and C4 48 √ √ √ 4/101/104

7 07 Keyboard d and D 33 √ √ √ 4/101/104

8 08 Keyboard e and E 19 √ √ √ 4/101/104

9 09 Keyboard f and F 34 √ √ √ 4/101/104

10 0A Keyboard g and G 35 √ √ √ 4/101/104

11 0B Keyboard h and H 36 √ √ √ 4/101/104

12 0C Keyboard i and I 24 √ √ √ 4/101/104

13 0D Keyboard j and J 37 √ √ √ 4/101/104

14 0E Keyboard k and K 38 √ √ √ 4/101/104

15 0F Keyboard l and L 39 √ √ √ 4/101/104

16 10 Keyboard m and M4 52 √ √ √ 4/101/104

17 11 Keyboard n and N 51 √ √ √ 4/101/104

18 12 Keyboard o and O4 25 √ √ √ 4/101/104

19 13 Keyboard p and P4 26 √ √ √ 4/101/104

20 14 Keyboard q and Q4 17 √ √ √ 4/101/104

21 15 Keyboard r and R 20 √ √ √ 4/101/104

22 16 Keyboard s and S4 32 √ √ √ 4/101/104

23 17 Keyboard t and T 21 √ √ √ 4/101/104

24 18 Keyboard u and U 23 √ √ √ 4/101/104

25 19 Keyboard v and V 49 √ √ √ 4/101/104

26 1A Keyboard w and W4 18 √ √ √ 4/101/104