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发表于 2012-11-13 08:48:12
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1判断语句; b8 d" D. F! D" z; Y
if <condition> then6 ^# Q) A0 x+ y5 k7 @/ D
<statement sequence1>;, z" {$ s1 l3 ~1 ]: n
elseif <condition> then
; I: D% e* A' h- W <statement sequence2>;
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<statement sequence3>;- w3 W& _9 j4 D/ M
end; X7 P! i- z0 b2 c* s* Z. O
如果分支比较多，用：7 b5 R: f5 F5 G
inspect <expression>
1 @1 D; y" i# l- j. [ when <constant_list> then
( |; t8 N5 L- C( w2 I0 I <statement sequence1>;
/ c1 \- V1 J n# n5 R$ v when <constant_list> then8 }3 u0 S- v. ` G
<statement sequence2>;+ `0 M0 R; x, b# t$ X! p! h
...9 A8 V& d% T, [' R3 e1 T
else& I% a& P% d) G+ [
<statement sequence3>;/ p" E0 i# B" K! j
end;. g" E% X0 S! F9 D0 u# j+ V8 e$ E
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2循环语句
; t1 H- Y% R9 q2 m0 l (1) from <statement sequence1>
3 L& M$ Y$ i& Y2 Q L until <condition> loop
9 d: \7 i; t8 w4 n% \ <statement sequence2>;
5 n- d _7 @/ K: A( b0 ]( o7 V end;
: z; L, T' y1 A" \6 u' r (2) while <condition> loop1 C2 K" r; d1 s Z7 j
<statement sequence1>;
% {2 S( d& u: W end;2 f8 e5 S' P5 a2 g) _
(3) repeat % ^/ G* |/ m9 [, D/ M# n2 X
<statement sequence1>;0 }% i' m! j! s4 v; Q4 \# e
until <condition>;
5 ~6 B; t- e f: A* p (4) for <condition> to <condition> loop3 y" I: U, h4 t9 `( l' t- J7 i% z
<statement sequence1>;* M* ?0 b! m- @6 h2 x0 c
next;8 e3 \9 ?$ F9 E0 w, G2 V
3中断语句
2 C- A' w0 ?0 f1 X, \' z, K4 ~ waituntil <condition> prio <integer expression>;
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7 r# g4 ~0 f1 h- b, {. i5 C- r9 y以上为常用的函数！ n8 E, A4 J, S8 }+ n2 E: C0 p
还有很多，如有需要我把资料发到你邮箱里 4 E. l* d6 r4 d' {. A! S
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