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发表于 2012-11-13 08:48:12
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1判断语句
9 h7 q Y5 m1 d L( r if <condition> then
1 p' a E* u* _8 X <statement sequence1>;
8 g8 R8 v2 [ _( s4 }( f7 o \ elseif <condition> then
g. B: c4 g2 s8 M8 R( Y; Q <statement sequence2>;
) y/ R9 ]3 p$ k0 I% H! J9 M- H else
& Y: S7 i7 x+ w) W% D <statement sequence3>;
5 y( P% ]. q) x6 L0 @ end;
% }, X, \9 P# e w2 H6 d如果分支比较多，用：- G$ {! I3 M) D1 q( f
inspect <expression>
, U3 d- R- `/ v7 t) l) [4 d when <constant_list> then
' ` l, B$ A2 m6 y) e% u( f <statement sequence1>;
& X% t: f6 X2 u" ?) \' v) S when <constant_list> then) y0 N; @7 j( F( d4 C/ d
<statement sequence2>;
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else
k8 W: L5 |- I" ]2 f# q <statement sequence3>;6 s4 L% v y O$ b$ B: C3 l
end;
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4 S/ W$ o3 `8 i0 Q Z2循环语句- d2 Z! Z% \& j% Y5 r
(1) from <statement sequence1>0 z+ v. l$ F: i; v& t
until <condition> loop0 e- h& _ b2 W& w
<statement sequence2>;- B) F: _( Q7 v& l
end;% E+ H1 ^% M9 f) A( M
(2) while <condition> loop
! w m% I; ]& j$ V) e5 ` <statement sequence1>;! B- b9 A8 `" ?: O4 t
end;
- p8 b& A* Z! N7 @2 Q) w (3) repeat ; N5 {; E5 u E: H$ c
<statement sequence1>;+ R S- c7 n3 t
until <condition>;$ M/ C! W7 p- h q" q; Q
(4) for <condition> to <condition> loop
8 O7 D0 k! [/ o+ f0 Q7 v <statement sequence1>;
& p2 S- s' J# _& a+ u next;( ^; y* u! |6 a7 A% q
3中断语句
9 v0 V' a' e$ k. ?" y! t waituntil <condition> prio <integer expression>;
6 E2 P0 B. r( y+ ?6 y9 H0 H4 ^! s2 c( ~' M: c* ~5 G3 U: Q. w9 S
/ B3 N+ K! o) {/ w% C以上为常用的函数！' z; ?- O5 f# w8 g) c
还有很多，如有需要我把资料发到你邮箱里 8 U8 @& o+ }/ I. r
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