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发表于 2012-11-13 08:48:12
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1判断语句
4 u R( b7 }# A* y if <condition> then/ G) P& Y8 u3 N; a) W
<statement sequence1>;+ c4 T8 c. D, @( Y
elseif <condition> then
6 L+ Z+ A8 y6 I( M: N: v <statement sequence2>;' a/ F0 q$ K8 O* c4 o+ X8 |
else + E4 _$ X. y% S, m
<statement sequence3>;
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如果分支比较多，用：
4 O" X" X2 Q. q6 e/ C inspect <expression>% A: Z2 D2 B6 [
when <constant_list> then" Z6 x% _! r# C4 y
<statement sequence1>;
5 @* G, E* o( S- w/ y when <constant_list> then6 Y. E0 c$ R2 Y ~6 r
<statement sequence2>;
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else
# _" A& R9 y/ L Y/ x/ g) M7 I5 ] <statement sequence3>;
) g$ l/ y/ x! H* W! f* k* Tend;
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/ L4 o3 f# l$ E! u. p2循环语句
4 U, G, y. Z0 k# ^. w# | (1) from <statement sequence1>. v+ I, g% R4 V
until <condition> loop
0 u, B9 ^) ?6 V/ X4 R <statement sequence2>;# S0 `9 u- p! [ K8 _* S2 W1 J" [
end;3 w& Q# W+ V6 z4 S
(2) while <condition> loop
. t5 z/ W4 P5 M( L% G <statement sequence1>;" y# _! |- F- y) ?
end;6 q" s7 v. ^1 l' A" j' t
(3) repeat , P* a8 B- k8 |+ m1 {# T; l" m' k+ S
<statement sequence1>;
7 D+ G; q2 M2 T8 {- O9 @! r until <condition>;
& V b' A& l6 z: y3 D7 c) U# O (4) for <condition> to <condition> loop
3 j0 ~, @. h4 j- p! A) { <statement sequence1>;/ c1 r" G4 ^, p
next;
8 [2 P+ K& M+ g9 [/ k3中断语句: d# E7 ]) A' {2 V! H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# u/ k/ ^3 _: i1 K4 \
还有很多，如有需要我把资料发到你邮箱里
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