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发表于 2012-11-13 08:48:12
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1判断语句
0 n2 S1 O- f4 X! \! M' z if <condition> then
% P: Q% k; \" C* O1 o3 Q <statement sequence1>;
' a0 C* U# m1 b: V7 s1 s. m% f# V elseif <condition> then
3 J* h, g9 R+ W$ c( M <statement sequence2>;
/ {- Z4 |2 X# d else
, R% u% q0 P- {% x* X- E& W) { <statement sequence3>;1 r% e# d- j" \1 |9 ] K& T: w0 z
end;4 o8 n3 F2 x7 K
如果分支比较多，用：/ Q: T# `2 z' q) q
inspect <expression>
# Q: m1 V' a/ X0 g' U when <constant_list> then, e7 }5 M+ g& Q2 u$ }1 k: O0 [& u
<statement sequence1>;
% u( `- b' I) U2 i* ^ when <constant_list> then
" M# F& O7 `8 u' J* v% b$ D <statement sequence2>;8 f/ e- I& e; C9 c: G8 N; T
...
8 |* f9 W9 U, E" k else& W: u3 S+ V9 V B' M8 K
<statement sequence3>;& G, A5 O6 Y" k3 T. K
end;
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& ?5 X' `( U4 X2循环语句
' c: U, F9 j$ r (1) from <statement sequence1>/ |6 y. q: G- o' m- J
until <condition> loop6 p/ L2 m# v' W* R
<statement sequence2>;
$ P- @* ]6 [4 Q4 l4 \ end;
; v1 O8 \' n% R2 k' h (2) while <condition> loop7 x, _8 y" u6 s1 {( A) b7 p
<statement sequence1>;3 q! V/ [* c* N7 k5 H
end;2 G8 W% U$ _0 l- G8 W4 i% ^) H! f
(3) repeat * l: L1 J! J e& J0 j' B# e
<statement sequence1>;
& ?- T9 l& t4 \, x, M; G until <condition>;
i* \, o9 D1 n# K) S (4) for <condition> to <condition> loop
5 I% R5 ^' j) f, V4 { <statement sequence1>;
S/ i( \4 d1 R. r7 T+ c6 @3 D next;
5 x3 K* a6 | _+ [3中断语句0 j" [0 A& j9 ]4 L9 n& w' s+ O2 a, B
waituntil <condition> prio <integer expression>;
0 v9 q" v# M" \' Q" [* r5 b+ P: \) z/ O0 ~& U
r$ l2 R) @' N1 t* f' M) T
以上为常用的函数！
/ v& @; |6 Y3 K- V& Q还有很多，如有需要我把资料发到你邮箱里
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