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发表于 2012-11-13 08:48:12
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1判断语句0 o5 [8 E# p3 x! C+ K
if <condition> then k6 U4 ^3 q0 p0 u+ _$ M) U. Q
<statement sequence1>;' O, x, S% l2 o* c" ~& w
elseif <condition> then+ j" {# f- z2 h6 g6 m7 ^
<statement sequence2>;- X% Y. E/ M" U. A' q- ]
else
: ~9 P8 e1 N- p* Q8 \* h <statement sequence3>;
8 p8 J, y0 R7 \) @$ h, q end;$ [+ A# m0 e! S% V$ q
如果分支比较多，用：6 Q+ @ H8 e3 D ~5 D9 B
inspect <expression>
: N$ r8 g0 j4 _( y$ o' c when <constant_list> then
2 \/ M* i' D: K# z! d <statement sequence1>;
- @" ]. g: y% n when <constant_list> then
( x9 O9 h* p o! F3 w+ x3 L0 E <statement sequence2>;, D8 j% o0 x& G
...
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<statement sequence3>;
: \, K* L$ T7 {7 ^end;
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* `: d: [% p% B" G8 h1 G* y; X) \2循环语句
( r" W, h; r# r, u$ l' F (1) from <statement sequence1>
3 h4 ?/ d4 X1 U, ] until <condition> loop
* U$ N4 h* m0 p <statement sequence2>;, Y, E2 ]6 \% u$ E6 E$ Y/ U( ~8 D
end;" Z; r$ @1 H2 x$ j1 Q
(2) while <condition> loop% k1 N- i: v; k! L& E
<statement sequence1>;& C% r. e6 B/ ]. x
end;
2 }; P- D2 P- a; p+ B (3) repeat ! Z, t! V- c0 N5 L. I( B8 g' {
<statement sequence1>;
4 R5 c" l' Y/ s until <condition>;
) H* V; B, S. G( J# Q: [ (4) for <condition> to <condition> loop
: o* I* r) }% g+ }9 _4 a <statement sequence1>;' s3 @/ |% K( o: ^3 @5 d) }
next;
/ {7 @/ H6 f) d6 w! {* T3中断语句
' H/ F6 ?% ?6 V7 m8 P9 y( U waituntil <condition> prio <integer expression>;. B2 d# z$ p c( Z. @. a0 z3 x6 a
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以上为常用的函数！& z, n* p* a0 v' i, R3 m; E4 D
还有很多，如有需要我把资料发到你邮箱里
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