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发表于 2012-11-13 08:48:12
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1判断语句
# V; C, @/ N/ D- I; t. S9 I if <condition> then
- k( [; w: }1 n5 D3 {5 F <statement sequence1>;; b6 A9 P b+ G& B6 T( c* t
elseif <condition> then3 [# ]' v5 L' w8 ~
<statement sequence2>;
& ` B( z, v: G6 U. R/ _* V) W7 U else
" m# E* r! c/ u1 t+ F <statement sequence3>;
% a. ^4 }: _! J' c* M! K/ Z end;( I4 F0 _& T' m& i
如果分支比较多，用：
" p- e+ K& G4 x" `( ^ inspect <expression>
1 P8 s w$ R. C/ w- M! f when <constant_list> then
; h) _0 K4 [- m5 v7 A <statement sequence1>;
: C/ Q; e$ {9 D3 @ when <constant_list> then
+ F' Y* \! I7 L8 a <statement sequence2>;
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else
9 X- ] `6 T& E+ x <statement sequence3>;
# k+ R- D* p/ ? [: H y1 e& yend;
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2循环语句8 W4 K8 M8 a* Z" h( @& t' i7 e
(1) from <statement sequence1>
# q" ^7 O% r5 I4 R8 u) X; f4 T( L4 c until <condition> loop# M: [' [ F8 L8 T- N" o
<statement sequence2>;
2 u1 F0 ^2 y8 x% r' | end;
5 [8 Z3 ~ f" H# G' t (2) while <condition> loop
# A% o! b4 M7 ]9 x) P <statement sequence1>;
' I9 i% P9 v- s end;
* P0 h# G1 d2 c5 Q& Y0 W (3) repeat 1 x* Z. D! D6 g4 r
<statement sequence1>;
8 F; h1 f+ X2 n until <condition>;
* u( e: Z8 R2 Y2 F+ ?0 c: \ (4) for <condition> to <condition> loop
4 e* e) {) d2 U8 Q8 e. F <statement sequence1>;
# l4 [1 _" Z8 \# ? next;' P2 D1 x8 M3 v3 R
3中断语句% }! q5 |8 Z) L, B8 e3 c% A: a4 b
waituntil <condition> prio <integer expression>;& h% J9 Z' ]3 F7 {! f) s
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以上为常用的函数！
( b3 j+ t9 H V, d M( U$ B还有很多，如有需要我把资料发到你邮箱里
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