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发表于 2012-11-13 08:48:12
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1判断语句. F, T* C6 ~5 ~2 x7 G6 F- A
if <condition> then) M, \2 P3 {) V; b# J
<statement sequence1>;
/ L; F4 o0 L& ~- L8 Q elseif <condition> then& T* n( Y: e% k/ A e# T+ o
<statement sequence2>;
6 C: ^. F8 w, ~6 g+ q0 q1 Z1 x+ b else
4 @0 \9 y5 r, P, K. O4 o <statement sequence3>;( W) E) U! n L5 _
end;1 c9 M. k& y/ @' R* V P N# K
如果分支比较多，用：! x L- N) L/ t a3 w
inspect <expression>" n/ [9 m8 u3 i2 t0 C. q" F! q
when <constant_list> then
( ^4 I( B$ V- E2 b$ T4 h6 w <statement sequence1>;! `. p L! k$ c
when <constant_list> then) c1 f, |' ?) G3 T" l% M" ~: X
<statement sequence2>;2 f* B0 y1 }4 S/ @) l& Y* X
...
9 a, g$ e8 X8 m4 p$ p else
/ y; ?% n8 {- ~ { ?! z% B7 s <statement sequence3>;
7 k, ~$ ?/ \; J/ C/ Nend;( O& M# t# c2 ]' |% t& Q! C9 v
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2循环语句 T* J/ I. {2 Z+ u; I
(1) from <statement sequence1>; t/ L" {$ C1 F( Q6 y+ u
until <condition> loop7 }/ Z/ E) b$ U2 n0 }5 q# L) A
<statement sequence2>;' Q' t& Q# l" V
end;
8 v" Q3 I5 f6 @ (2) while <condition> loop N, ~$ I5 k6 o, Q) Z6 ~+ l9 m
<statement sequence1>;
5 m8 x. u: B; g( @0 W$ W! ] end;
6 ?" { @9 {3 N, U. f (3) repeat
& k7 Q7 D; m% v <statement sequence1>;
9 b# j0 j, d3 | until <condition>;
' Q" K) n) K* j$ X4 j: c" r' E (4) for <condition> to <condition> loop
3 T/ W b2 ^& O, ^. m6 `6 a <statement sequence1>;* j# S l& }4 T( Y
next;: M# j8 U& W2 V! w$ W
3中断语句, q% d* v b2 J# F
waituntil <condition> prio <integer expression>;9 _8 t4 d2 ?3 Z3 A, j
7 Y. r8 V) d4 |* y
. x1 F1 T9 Z. w1 c) U: V以上为常用的函数！$ k) ^4 |2 \, [4 m
还有很多，如有需要我把资料发到你邮箱里 2 D- `" }5 S g
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