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发表于 2012-11-13 08:48:12
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1判断语句; Y* O1 E ] U/ M( K+ f
if <condition> then
3 f6 @( w" S9 ?- G <statement sequence1>;
% m. z" ^* m4 N" \ elseif <condition> then, w2 s [/ v- U# ~* T) l
<statement sequence2>;1 b: u$ w* ]0 C1 T2 o
else . [5 g; a* F/ E, u( g& @2 \
<statement sequence3>;
d, d2 I, \. x/ _5 J end;
% U/ |7 j N8 R3 W如果分支比较多，用：: B" i; Y' K0 P6 B9 _# ]. Y
inspect <expression>- v+ ~7 d, V/ b) [
when <constant_list> then/ W- j" s# M! Q. P" [) g
<statement sequence1>;5 X$ x# T& Z7 L# m( Y
when <constant_list> then: r7 u; t3 `0 S: Y
<statement sequence2>;( V1 Q _( ?# ?& Z! T0 n. V
...
8 \4 s! D1 y. X$ O7 Z+ i else
, u2 {# f7 q' i" M- v3 H. I <statement sequence3>;
. d2 Y7 R( X" M' }end;* q: X! f6 v5 p! B7 }8 U
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2循环语句, H1 P; u, I6 e! Y' `$ p
(1) from <statement sequence1>* T1 J8 D! k( Z. _$ R& H
until <condition> loop
" ^6 p5 d2 {9 q* U4 ^0 w3 T <statement sequence2>;" E1 O* S0 j% K8 K) w6 f
end;
' U- T% D+ x# ?% n. e4 [! V0 B (2) while <condition> loop
, [' P2 y+ n! ]' q+ v+ n, h <statement sequence1>;. I1 v8 q0 r5 `6 c% u5 L7 V0 }7 p
end;1 @2 ^# i) H+ ^; w+ r0 ^ z
(3) repeat 2 i/ h. P- i6 {+ D; T4 i
<statement sequence1>;5 j- i0 ^- @% t9 g
until <condition>;* D5 ]: M3 \2 Y, `" O) k1 u
(4) for <condition> to <condition> loop& G% q/ n+ d/ c3 @
<statement sequence1>;/ z8 l) Y3 p! C. U0 c! r1 K, g
next;
5 d0 T7 w; P, s% u3中断语句3 s H1 }( P7 J$ y" e! P& S
waituntil <condition> prio <integer expression>;3 h6 l. R* A4 g0 Q8 H; x$ q7 _- [
+ }' |3 T* V( k7 ~
6 n, w; p+ \% d5 {- F* Y以上为常用的函数！! |" b7 u8 X, J9 U( ^, @
还有很多，如有需要我把资料发到你邮箱里 3 @* m0 L% ]. d0 w5 r
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