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发表于 2012-11-13 08:48:12
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1判断语句
, e: t) b; k7 k1 O if <condition> then
5 n w3 {+ v$ N1 M2 Y3 d <statement sequence1>;( E" i% T; |2 {, ]0 d7 [5 @
elseif <condition> then6 X( c4 ^( `' L' A
<statement sequence2>;
/ M ? P) [8 b else
) H4 n7 ^* P3 W0 A, K7 w* O; G <statement sequence3>;
* z, ~& V1 z' H q: f7 ~ end;; Y9 W1 X- @. L2 H$ G# X% ~8 P) @
如果分支比较多，用：. |+ i3 B& Z: j* X1 I( i
inspect <expression>
0 n" {$ a+ ~3 p' e# k& w, Q when <constant_list> then
8 G( F5 c$ b9 l' f <statement sequence1>;
# M9 V, _+ x, I# _2 A when <constant_list> then
- x2 y8 E* B9 w- ~& q9 E" ? <statement sequence2>;& U1 J# S) y$ a4 v
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else2 f( N! u5 L" X
<statement sequence3>;, _; _5 R% y( Z+ S; @
end;
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9 Y* c2 u$ |5 q3 x2循环语句
1 i5 `& z0 V3 d* G1 B K (1) from <statement sequence1>% U7 D- z. x' g( z% V
until <condition> loop1 i0 D6 m/ N; k( N$ u6 h6 [7 H
<statement sequence2>;
z- r2 {- ]% U; f end;
; y. }0 O$ _& b( G1 e5 l' E- x (2) while <condition> loop
; e6 u; m, Q; ` <statement sequence1>;
# g9 J* B' I+ Y/ y$ I: S+ N end;
3 v( Y1 G5 |5 U2 g (3) repeat
. k; X$ ]0 u4 z <statement sequence1>;
+ d/ x0 q* P$ ]- B0 [9 x. I until <condition>;
* K+ d' d( Z$ B# O: I (4) for <condition> to <condition> loop& w$ E5 d: o+ f5 N
<statement sequence1>;
& m$ y' H& J1 s' Z+ ?7 x: X. ` next;
# v# Z9 C. l. g: J% Y3中断语句
, V' ~+ s) y& K" v# g: c waituntil <condition> prio <integer expression>;
5 \$ V* N) ?3 ?# \; n5 |0 _: o9 O
2 [$ s3 A: p- i) j以上为常用的函数！/ Y7 z. U7 n6 ^+ J4 `' F6 A
还有很多，如有需要我把资料发到你邮箱里 4 k" `! D7 p1 x4 B
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