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发表于 2012-11-13 08:48:12
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1判断语句% {( G& j6 _. e
if <condition> then
( m! J2 Y% v7 R, Q <statement sequence1>;
& N3 L0 X# F9 v" a elseif <condition> then
" _) g; }/ J5 e0 B' p" l4 L7 n0 ]: W <statement sequence2>;) q/ V+ Y" Z' k. _# D$ ?
else ' O% x4 h3 C' v! p
<statement sequence3>;, a$ a" A1 s' ?+ f
end;
% l3 O" u" d6 W6 }/ d: j3 a/ P* \如果分支比较多，用：) Y* q# c* L3 B& I. S! \
inspect <expression>; q' M, l$ c4 e3 R4 `9 \4 o; E
when <constant_list> then* D2 v! F3 `& f6 K' R
<statement sequence1>;; O% S+ a' w: v# S b) p
when <constant_list> then+ ?, r- s# y2 W$ q
<statement sequence2>;9 Q' k/ J j0 o0 U) x8 F
...% g8 z+ C& t0 q+ v- S& ]/ {& q
else) T0 M# X4 `- [, e! h+ W! _
<statement sequence3>;5 G) t, m# B* B9 K, L- }
end;
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2循环语句
0 w" ^7 Y4 F9 b; g2 a (1) from <statement sequence1>
& J- A& y+ w5 L$ } until <condition> loop& ~' }# Y% u8 j5 O$ ` |' z6 X; M3 [
<statement sequence2>;
4 \- V/ ]5 @( s2 P" _, M9 \ end;8 z) ~ X8 \* x) H9 {# r! v
(2) while <condition> loop
& [" t; r4 n$ g: @( A; w I$ } <statement sequence1>;8 b/ W* ^/ g2 P8 v5 N. f
end;9 A U1 c, z- b
(3) repeat
. G1 r6 t1 _. B8 J <statement sequence1>;
9 L/ Y8 p/ D& u; e, { until <condition>;% r' s* r) c5 b
(4) for <condition> to <condition> loop
3 o( Q0 }+ X6 R+ p9 ^7 \/ z <statement sequence1>;1 S, {: L! X9 M* I
next;
. o) w; R' n, {' @1 \3中断语句) _( ~3 M8 |( g, g p
waituntil <condition> prio <integer expression>; ]) w* W, }4 B
Q/ w) u, s* V& B' \
" M8 n6 K. D/ [; c% n- d% p$ Z8 X以上为常用的函数！
2 T L, x5 N1 J7 ?% x还有很多，如有需要我把资料发到你邮箱里
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