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发表于 2012-11-13 08:48:12
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1判断语句
% ]+ e5 K+ T0 q* F$ E- s. T if <condition> then
: i; a- r: P' r* W, B1 G <statement sequence1>;6 Y. t; A( u7 T9 ~5 W9 o$ X* L1 t# d
elseif <condition> then
3 j& D$ l. l) g/ c& V8 W <statement sequence2>;* l [9 Q) A( h5 G' ?
else
$ w8 w5 k" v" h8 S0 G- o! j/ v1 _. l <statement sequence3>;
* _( `/ @0 l( P& J6 t end;3 [* U. {4 G( v( x
如果分支比较多，用：3 N) Q& K, x) m5 d0 f- S: @
inspect <expression>! U. \! r$ } |$ ~4 l4 }) L' U9 H
when <constant_list> then% t: i( {5 N( D
<statement sequence1>;3 D! n2 O; ^8 r* ^) P/ y M
when <constant_list> then* w2 g& b% h; O# _9 s. N( p
<statement sequence2>;
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else$ Y R1 O* }. V
<statement sequence3>;9 v$ b- e f, \$ N J+ i7 I9 T
end;3 A! d+ i- s5 g% W
6 H4 y, g0 j' A: Y0 R: @2循环语句
5 F& A' [; j4 b0 h8 R6 k7 [) M (1) from <statement sequence1>
& p" @5 `, j( T0 L, @* j until <condition> loop; J2 m( t3 ^0 r
<statement sequence2>;
+ a% {3 d/ j! S8 \) K4 S end;
$ v9 ]* n. Y: v- D7 o9 k' r (2) while <condition> loop4 W1 U9 A' @0 ]- r
<statement sequence1>;
) A7 r* Y V& F, G0 ]) u2 B end;0 l, K8 [' v" {5 M2 m- b; T/ T {
(3) repeat 0 |1 i) B9 |( U3 ~. S. z. g) e
<statement sequence1>;2 R) N- A3 R! }1 Q3 ?% P
until <condition>;
1 r) I1 z- {1 I8 E$ c9 ^ (4) for <condition> to <condition> loop
; H1 u& k* r3 i" l7 ~ <statement sequence1>;, r' x" P+ {/ e. r
next;2 t+ B L8 J4 s" Z$ D4 v
3中断语句
, L6 {$ J% h- |' t5 S5 I waituntil <condition> prio <integer expression>;- h' h) J- l( Z+ X1 O. C
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以上为常用的函数！6 \/ }' A4 n1 X) T1 o
还有很多，如有需要我把资料发到你邮箱里 8 V6 ^1 R' N6 Y1 |: @
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