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发表于 2012-11-13 08:48:12
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1判断语句# G* X& R% Q% G8 M6 N8 t6 o
if <condition> then: n" q4 X( A! o* V5 Y
<statement sequence1>;
$ X. y. z5 i7 z/ x, V$ L) i( v b elseif <condition> then$ e- u: K+ k& _" l; l3 g6 e) ]" {, j
<statement sequence2>;6 W/ _; ^# Y0 Y0 s# i$ C4 [
else 4 ?3 q6 _* T J4 m
<statement sequence3>;( Q, ^. g) f1 m& a
end;
( [3 R& M2 L7 h1 o7 i如果分支比较多，用：3 i( n* o2 A6 J0 M
inspect <expression>9 Y! H- Y. f2 k4 e% a) }5 ]
when <constant_list> then
3 \! p; ~) R" Z- L' F B- b <statement sequence1>; H( t& A# B5 K* p) [. S
when <constant_list> then
6 B8 f9 ?7 z/ W7 G7 D6 d <statement sequence2>;2 k# g! y B9 [) d
...2 u& C& N. a' ~9 H/ @/ c" Q# O* h$ Q( G
else
+ | j* Z, ^4 g) d& j7 X <statement sequence3>;- [ u$ x, K' S0 V) r! {
end;
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: u4 h7 ]# h- ^; k/ c# y4 E4 u2循环语句
- x( w* N5 |. {# ]/ b4 _ (1) from <statement sequence1>. l& F6 V8 y& y) _, Q( Q( ~% C6 u
until <condition> loop
! S8 q Q/ O; u; s+ n <statement sequence2>;' h- V; [+ y9 d8 W8 f7 |! v
end;
* Y, I% g4 ~4 D (2) while <condition> loop
, d! Z6 W4 Y v, R* [& i* c$ O <statement sequence1>;2 t! g, A% d, S5 Z7 `# ?: _; t
end;
# l6 |2 B9 ?2 T% W5 ]' Q' O a' K (3) repeat
) B; a- K8 y/ R3 r, L" ? <statement sequence1>;- t6 e, ^ e* Q2 W2 o& P
until <condition>;
% P. U: }8 J3 d, ~8 r; F4 { (4) for <condition> to <condition> loop2 I5 M4 _4 D% `" Z% |
<statement sequence1>;# }) X+ N, V/ W; C
next;
9 a% o9 o. _; j1 [. R7 y8 g3中断语句
2 X+ v# H% `. q) T waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* @; F' g" ]$ T0 a4 A还有很多，如有需要我把资料发到你邮箱里 ! ]- S/ M- ?5 L; Z' C9 K) U
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