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发表于 2012-11-13 08:48:12
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1判断语句
+ B7 r: S; V# O2 m9 E7 m/ U o5 n if <condition> then" {! o. Z+ Y0 D9 X9 X' ]7 E; b' C
<statement sequence1>;
! S$ ]2 l/ m* }# f% I4 U elseif <condition> then
/ C5 b: b+ k9 N0 v2 i, T, W& ~ <statement sequence2>;+ k" ?% u6 _0 z* M
else 2 r; a# Z) f/ I: A. D; U
<statement sequence3>;- J; I% \' R1 r
end;
; o: J4 @# i# Z; k% s+ c如果分支比较多，用：
9 J1 u! [' b& {% D inspect <expression>; a! |- N, ^ D6 @/ B
when <constant_list> then! Y3 x& i' h3 ?8 o4 |( F
<statement sequence1>;# a# S$ O% l) \9 b0 b8 Y0 J7 k; H
when <constant_list> then
, G7 A3 G E2 x% E2 _$ H' l <statement sequence2>;/ a) K2 M/ b+ |6 g
...- c* q5 L- p( D
else u3 O4 m6 w7 o' s* c0 i
<statement sequence3>;+ b) @' J/ S2 _2 e
end;( P7 p7 Q6 {: c5 l5 q @
" U i& }/ u7 C: V0 A* u C1 K2循环语句; s5 d6 V' F7 D1 i
(1) from <statement sequence1>8 U' ?/ a: Z/ [* y0 W. ]# F8 R* r
until <condition> loop
4 i& a7 G4 N0 A; F; m/ U2 u6 d9 p <statement sequence2>;
% c A; F1 n8 I9 R/ t' ] end;
L Z2 K* q, z$ T6 V6 [ (2) while <condition> loop
: S% ^" ~/ w' Y& ~ <statement sequence1>;
) C1 d( H6 n4 s% L( T3 b" H- P- I end;
% u- r0 H# n4 [! z2 H" z9 Y (3) repeat $ Y7 Q- G! _: u( z
<statement sequence1>;; |5 S& Q( ]0 k o" }4 `
until <condition>;+ U0 h6 e1 `1 n% G2 O& M
(4) for <condition> to <condition> loop: D: }) @& n! B5 }
<statement sequence1>;$ R% _% E' q0 l2 ]: `
next;& k" o0 K$ ]- Z* T5 k6 s
3中断语句/ M* |3 o6 t& w# ?. P
waituntil <condition> prio <integer expression>;5 V+ w& L- _. ~. w8 H- o W4 |
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以上为常用的函数！0 b3 U# O/ X2 J- `8 b, z% v+ ^
还有很多，如有需要我把资料发到你邮箱里
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