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发表于 2012-11-13 08:48:12
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1判断语句0 s5 a1 r+ j* Z) ~
if <condition> then9 Y" C" ~0 E/ G2 v- ^
<statement sequence1>;
7 ~( N l0 \0 Q! j8 u: L$ U/ E elseif <condition> then: b; J; X _! _9 T) e7 V6 k7 f
<statement sequence2>;( s& ^" t8 J/ ~; q9 L! A T
else 4 q0 J6 e7 H# a2 e) h
<statement sequence3>;
# y1 c% G5 ^( d: _/ U+ l% |* K end;
) R; B) |$ T0 l: @如果分支比较多，用：
/ E# `9 B! o: g: o$ O) N4 I/ n" Y inspect <expression>
, h; r' r5 I4 K& D0 x/ E/ R, t when <constant_list> then
8 s" p3 g& D8 w: W( S8 ] <statement sequence1>;
/ `1 V5 m6 D3 I& x6 j8 { when <constant_list> then
& ]. V" G2 l/ `/ t% X% ` <statement sequence2>;: C5 S6 c7 |2 j* Z7 V% R2 q' q+ f
...
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<statement sequence3>;
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2循环语句( Z* O7 l, |. p" t! M F3 @0 d
(1) from <statement sequence1>
+ ~7 d g0 U: P- t4 [4 `" f until <condition> loop
8 D' x3 F5 u- R b <statement sequence2>;
0 I9 A; G5 I1 G end;
; s" z# J" y+ M( ~# s3 C9 ?2 K! n (2) while <condition> loop/ X; ?% I+ O+ I6 R0 Y r
<statement sequence1>;
, H a' V' B/ V# Y: E1 b/ ] end;
/ t4 @8 n' V+ c( h6 k (3) repeat
/ e/ I R8 T' C$ i+ k <statement sequence1>;/ @, d O3 B' W: z0 A9 O5 T
until <condition>;
/ X1 L) R. l, @ (4) for <condition> to <condition> loop! l: R/ ~0 C' `8 I
<statement sequence1>;
1 Q6 M& N7 V- D' d. X* ?, A next;+ m" e( C* p* j+ F" ~
3中断语句
+ N3 B8 `8 Y: @7 O0 M+ l8 F8 T waituntil <condition> prio <integer expression>;
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以上为常用的函数！' p8 u( R; S( S- `7 n
还有很多，如有需要我把资料发到你邮箱里 ' X6 q* a' Q) h) q7 }
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