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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
; O4 H3 a- n7 k if <condition> then2 j7 W' \3 B- t" k" ?
<statement sequence1>;3 M2 V. v3 ]* m0 C7 s6 Z
elseif <condition> then( Y' h( @' i) ]7 V8 {0 D3 h+ k
<statement sequence2>;9 H7 c7 K3 |) r$ _
else 1 u5 Y1 g3 t7 ]; C% x
<statement sequence3>;
# j8 o2 O3 [- g( b/ ^- V end;
' ]' ^& M2 |4 u: |4 i/ s如果分支比较多，用：' q2 F& M7 M, y! w
inspect <expression>' r9 U# U) S: B+ A+ P4 |( O
when <constant_list> then# J. N$ a# ~/ r7 j" f- S9 |
<statement sequence1>;
% |: W7 Q" F2 y8 l when <constant_list> then1 O1 G6 I" w8 u; R7 a2 Q* Q; R
<statement sequence2>;: m+ M) B. F+ V8 F" U9 y' G. [
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else
- M- B8 E: |! w& }0 V2 e <statement sequence3>;
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2循环语句
6 h5 v% L s I4 P (1) from <statement sequence1>: E' H/ H; \4 v4 b. D
until <condition> loop
* ^2 D6 B; O6 L0 g0 x$ S& `* I <statement sequence2>;; C+ t$ E- q' K
end;5 C% Q% B3 k1 }
(2) while <condition> loop+ A' ~' p5 v, F; E% M* D" w
<statement sequence1>;$ `- i- a3 ^* b
end;
/ o4 {! a9 X- P% L4 @ (3) repeat
$ s$ o C; P6 X! E" H <statement sequence1>;5 e& F% E& ]; B* {) v# g
until <condition>;
$ Q6 Y# H h1 ^& K( N (4) for <condition> to <condition> loop. _$ B' r6 K U1 K+ r
<statement sequence1>;+ n: K q1 U; m4 Q1 C
next;
. G/ {# F1 m* \! T* \; u+ K/ W3中断语句
; _ x- V O" \" S! ~ waituntil <condition> prio <integer expression>;% r0 U4 K) G0 S
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, w& `1 `$ a3 l* ]: N以上为常用的函数！- g1 m) i% i* c) {
还有很多，如有需要我把资料发到你邮箱里
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