|
jihuangy 發表于 2013-1-14 14:45 2 F |4 f- ?# ^7 G' w
宏程序怎么判斷空值?是不是NULL? 0 p- S$ d+ _6 t8 @ I2 B1 u) y
G65 P9001 A1 D7 X24 Z26
4 a" R# A4 w4 n' f4 s( R, |...........5 C7 r2 C" [9 J
.......1 w; g" T2 n) T& M9 V0 K: l9 g& G
M30; h* _) D; |: ? _( }( I: I
1 B' c- F J# N& g ~9 h
* e* L) I- H+ b8 w. B6 L- G4 X
%5 d. }6 y! E# {' B; Y3 |5 D
O90012 [8 h8 @$ ]3 \7 ^& U1 h& v! Q+ @
IF[#1EQ#0]GOTO997 y- k' f6 y4 x; }5 x4 q, X7 ] O
IF[#7EQ#0]GOTO99
, t% E F, D2 v/ V, cIF[#24EQ#0]GOTO991 }, C, q& P0 i0 a O* N0 C& s, ?) {
IF[#26EQ#0]GOTO99
4 `5 H3 l8 f5 m; O5 {7 P, y............) W2 l8 H; S( Z3 o; y* l
............
. Z4 [7 R+ n; \. n: C# d: w' |...........
/ i; p8 t) m0 C2 fN99- G" ?/ g+ c0 W
M99
& R% ]- M( T" H+ f%
c4 E; V0 C1 R, l R |
|