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发表于 2012-11-13 08:48:12
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1判断语句( {/ A* h) f+ h
if <condition> then( D3 f/ f( \3 E3 P: w
<statement sequence1>;
* v2 i1 l9 Y7 p5 k: S4 x' l2 ^) G H elseif <condition> then4 P) o9 \3 ?/ ]4 Y+ f# ]" r, X4 r
<statement sequence2>;% j& y+ J: ~8 a2 q
else ; y& }0 H: q7 a
<statement sequence3>;
2 l( ]( b/ c" q! k0 `; d; L C end;
4 D* R0 ?! p' ]6 z如果分支比较多，用：
?$ n7 T/ J9 U: W# }7 ` inspect <expression>! }9 F. N. I7 |" W- `: T
when <constant_list> then3 S) }- S3 m1 V2 c
<statement sequence1>;
; V. y1 ?: U a* p% U. p when <constant_list> then% P: e# L0 {/ r L. N! a
<statement sequence2>;
: k" `; E1 a' A( Z" X# g4 X# N& p ...
+ v3 J# {7 b- r5 W8 { else( E, k' V! u2 U7 n' G1 k
<statement sequence3>;
: ], z9 S- G2 o6 w) _' k4 Qend;
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2 s' Q8 a8 L: |. D b2循环语句& B6 X; R- u$ k; z: i$ x! T
(1) from <statement sequence1>0 R( v/ g8 _3 F
until <condition> loop
5 v) A: Z* N2 t4 G <statement sequence2>;
+ ^/ P2 m* \' v g# C end;. F5 C% R# b9 t
(2) while <condition> loop
4 Q8 r3 J0 ?( ^, `8 d! s5 C <statement sequence1>;5 ?3 z5 l( G9 U$ _& v6 }: e% U
end;
2 x3 ^" y* O$ ?$ O0 b+ T (3) repeat
2 s2 e' t% {3 R+ D <statement sequence1>;
, `) S" r5 N; K, W! M until <condition>;
- S3 M+ t* x: K1 h& C+ j (4) for <condition> to <condition> loop5 ]8 s7 ^6 d9 r% ~3 s& Z
<statement sequence1>;+ c. q. W i8 N% @
next;5 k; ~5 E2 \! J4 n) T
3中断语句* K9 L M* _, o7 W4 g: }
waituntil <condition> prio <integer expression>;1 h: t7 f/ w6 O, n2 G( j* }
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以上为常用的函数！
6 x7 s! s6 o2 d; o7 N) \: ^还有很多，如有需要我把资料发到你邮箱里
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