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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
+ ~' J W; I3 ^0 G) m if <condition> then1 y, J" z& `( H
<statement sequence1>;6 t0 `$ |! N$ d2 u- @
elseif <condition> then
8 e6 K9 c$ f' P/ z, f q <statement sequence2>;
9 G9 c" o- |- B' l6 g else
3 C) v; Q; V; ^# j <statement sequence3>;
- a" Q# ^" h' O7 m; F- I5 o end;' s, ~# s; t# n
如果分支比较多,用:0 W$ m3 Y. {' \% N, `1 O1 k
inspect <expression>
# i( }/ A6 q# A: t; O7 K8 F( p when <constant_list> then' L+ E" `! d! q4 \7 _
<statement sequence1>;
) k" |, |8 F2 V6 `7 g3 i when <constant_list> then
9 S S: T9 X. G <statement sequence2>;
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else2 f: f. Z. `; |8 ~
<statement sequence3>;
" E. s" B$ i/ t& Q. L* V5 F0 E3 x8 @end;
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2循环语句
2 @8 i, n/ p# I% O7 }: H (1) from <statement sequence1>1 Z8 u( ] D2 h+ X9 x. v# L
until <condition> loop* l" s1 W5 ]6 x6 w
<statement sequence2>;
$ c1 v2 ~4 I% Q8 b) J" V" N end;1 G6 n# z/ Q6 H4 x9 S
(2) while <condition> loop4 V/ `+ b) ]- C! @, j9 Z. j
<statement sequence1>;) o) S4 C' M X+ c$ K4 V0 b9 ]
end;
; w! ?" N7 |1 N' k% Q (3) repeat
( B" x+ }% i: z! Z, J1 m <statement sequence1>;- v2 n7 S# k- @* L
until <condition>;
/ _+ g+ \9 \' u4 A" j$ @3 {2 G (4) for <condition> to <condition> loop
% }" t' B( n0 O7 B& z4 e <statement sequence1>;
3 @3 [# ?" L% d6 f$ s0 L next;
3 g1 q+ Z7 D% r& O3中断语句4 P) r. y- S) _# H
waituntil <condition> prio <integer expression>;
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2 F0 ]* M2 F, l$ C% ]以上为常用的函数!4 c* v* y" |' R1 x
还有很多,如有需要我把资料发到你邮箱里
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