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发表于 2012-11-13 08:48:12
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1判断语句4 R( N4 h+ k, G4 \4 s
if <condition> then, i( R. t- e( j5 [( u/ Z
<statement sequence1>;
3 @# z3 F" d9 q7 j2 }& |1 Z elseif <condition> then
& r4 J* \# [0 g* j5 d+ K) S <statement sequence2>;% J: Z, o4 E/ e/ P
else & i+ @6 w/ w1 o) [) d$ {
<statement sequence3>;
. [' v1 x8 x2 `2 W end;
/ W" k+ i- a! G( r; U' b3 \8 q如果分支比较多，用：
6 `7 |+ _) h3 M& A0 v/ T; z inspect <expression># x& h/ L2 H |
when <constant_list> then
/ k' |) q# G# S7 c <statement sequence1>;
9 d2 L" W5 g* J/ @9 _' C when <constant_list> then
$ k3 r: g- p# X' o <statement sequence2>;1 V W8 |! ]( ]
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else' e/ Y' p6 p: ]4 d, }' n
<statement sequence3>;
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2循环语句
- s) \1 c7 [+ i (1) from <statement sequence1>
+ g% q6 W6 m, E' O/ p& T) z until <condition> loop
! K8 `" f& ~ x- G+ i; C <statement sequence2>;
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(2) while <condition> loop
* Q8 F, y& {1 q3 C4 b. P" h0 C <statement sequence1>;; `* Q6 ~' i t2 v( x6 O9 M
end;
0 ^, ~1 `- B, ]8 g; [ (3) repeat
# e( K+ r) g4 a! I, u& R$ u <statement sequence1>;( a# h5 u7 T$ l9 s% x* G/ W7 d
until <condition>;# Y5 A, K# P4 F( i6 k# |5 [6 p6 R' @
(4) for <condition> to <condition> loop ~: a; \( g. E; c" z9 ^
<statement sequence1>;9 `$ i: B8 B' Q2 U! K, k- o a9 U
next;
, w# X+ d* g2 P" f* r, l2 u, S3中断语句4 ~2 l0 Z6 T1 l: v
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 M: A( V' ~! L( L8 K' K" o3 y `! J; x还有很多，如有需要我把资料发到你邮箱里
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