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发表于 2012-11-13 08:48:12
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1判断语句- U3 H6 G k9 ~
if <condition> then
$ U5 |2 \( H! C7 W0 V" R9 y N <statement sequence1>;# c: P2 P: g* C7 K2 g
elseif <condition> then
/ \9 c T9 Z: m% N: L <statement sequence2>;& q# v8 [7 o* y2 G. ~
else
; i Q- _6 T8 C6 E* Z5 r <statement sequence3>;
, M0 ]* X4 t: e# u* j) q end;
& J5 H' @# ~0 Q8 m' ], h7 a如果分支比较多，用：* i {3 x9 W' ]+ d3 C' u
inspect <expression>' Z, _' _+ f: `5 D; Y
when <constant_list> then+ A: ~/ u4 k: w! K; r$ B- u
<statement sequence1>;
( K3 u" h: A) K when <constant_list> then, T1 T+ T+ A0 i- ^9 |
<statement sequence2>;0 |& F' d% n4 W$ ^% m: V0 ?
...
8 T% a4 o9 j/ ?+ o else
* H2 [! ]9 W2 v! [4 ~ <statement sequence3>;
4 K1 A9 d# W$ c. F+ ^. a3 J: ~7 kend;2 d2 i) K/ j( F6 C
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2循环语句
' a$ u7 T# x$ H! i! Y9 ?- ?( u (1) from <statement sequence1>' P6 ]5 v# q" v
until <condition> loop
5 g" S J: }% r v1 v7 x <statement sequence2>;
# L! n+ O/ p, s end;+ a/ ^! |+ N- `% P: D9 r/ H
(2) while <condition> loop
E; a7 l+ l* p* S <statement sequence1>;
5 P& T1 k( \$ V end;
3 ^. O3 L8 T& e, T( e4 X) _/ E) R (3) repeat & \8 D* v3 q. Y, g& X
<statement sequence1>;
5 e7 H( |+ i( U5 z6 I1 T" l until <condition>; U3 @. q" _9 @1 T$ |
(4) for <condition> to <condition> loop
) D; C4 \; G3 c% e' ]& t <statement sequence1>;
! }& l3 Z0 P- T next;
' p$ C; _9 l4 u3 ~3 v+ }6 \7 a) c3中断语句
% y" |' k1 L# o& q waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 \/ d7 k" }, ~还有很多，如有需要我把资料发到你邮箱里
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