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发表于 2012-11-13 08:48:12
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1判断语句; o6 T6 Z* `5 W4 E& S
if <condition> then
2 ~2 k9 r) i! I' T9 l& X <statement sequence1>;: L5 Q( V- Y% q$ Q8 d
elseif <condition> then8 O2 o( d$ D" g0 D
<statement sequence2>;- i) W; a# e! M. h+ {8 M5 ?
else
5 @, f; [7 G& E7 U/ C <statement sequence3>;
% B4 X, l N* @ end;
& ]7 I Y* ?: `8 u( i! {6 }' Z如果分支比较多，用：3 ]4 H, j9 k( r) M8 O% y7 |3 N
inspect <expression>
& e+ K# d. j6 R8 N& P# g0 t when <constant_list> then
; X+ L. V# V- G( X2 V& g' C5 U <statement sequence1>;
/ ~+ U* k$ O% k8 W0 w0 G6 J when <constant_list> then" g: u7 T7 U0 L& V: ]7 z
<statement sequence2>;; v$ r; ^$ \# ~( ^1 a
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else
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end;
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+ a+ g7 Q* F9 g6 x" C5 r1 b2循环语句
- L: M# _. z2 D6 q% l (1) from <statement sequence1>
9 U5 z; K/ |' l! h0 o0 n until <condition> loop
9 S3 b1 j( p" s/ f8 _ <statement sequence2>;
6 Y0 X1 i! L9 p" f6 Y F end;
- V; S0 @- l6 j* R) W. N0 b8 J2 e/ o (2) while <condition> loop& M u/ p$ e N
<statement sequence1>;* q* {5 h3 W6 K; ]0 w( D
end;7 V& L* r1 M- K8 S- W% v
(3) repeat
4 O! h0 @% r: z( l) o: G' p <statement sequence1>;
3 ?+ n9 T9 }4 B* k until <condition>;4 j1 V6 o! s- B* X0 }1 _4 C: k
(4) for <condition> to <condition> loop
7 Z7 P' ` X3 L9 c1 N. F0 N) o <statement sequence1>;1 h- V# ?4 `0 E: v" k. N- q7 ~. _
next;
4 K& O, T, \* T6 O/ M! K- N3中断语句# E& J$ h" m/ W& u
waituntil <condition> prio <integer expression>;0 B0 d1 {$ k9 t. A/ `' j7 V2 q! B
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以上为常用的函数！
2 G: N# G4 x0 k9 y) O还有很多，如有需要我把资料发到你邮箱里
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