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发表于 2012-11-13 08:48:12
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1判断语句' L. S8 b4 I* X/ v
if <condition> then
4 g- o" z% }1 I+ F <statement sequence1>;0 c x' ?5 j! f$ N
elseif <condition> then
, c" T0 A8 E4 b/ Z <statement sequence2>;
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<statement sequence3>;
3 a8 ^, }+ q% Z O9 ^ end;
/ B. a+ g: V% \* M) ?; K如果分支比较多，用：* }1 Z) c$ C8 ^
inspect <expression>1 d* K8 _4 W- Y% V
when <constant_list> then+ U9 a5 |9 ? @) g( ?, ^* A
<statement sequence1>;! X4 T3 y" W) ]7 l7 S( o
when <constant_list> then
' l% P; i; K& s& e% P7 w <statement sequence2>;
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else
9 z$ {7 X2 O" J( M8 u) }: B2 W <statement sequence3>; p6 q; l5 ~# U: [
end;
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2循环语句
& O! o! X& ^$ b- Z3 [* u& @3 y7 }9 R (1) from <statement sequence1>8 p; {1 W3 V% M$ J( X& |! [
until <condition> loop
" r5 H, a5 V! }6 W2 s <statement sequence2>;
! j' p) s2 t) ]" d end;; i' h6 R1 Y: h u: E
(2) while <condition> loop
% [0 T2 S( e' R0 b( v <statement sequence1>;8 q# c" _4 N( p+ v% ~; L/ G
end;; F/ ]& X* {* r+ _* Z u3 ?
(3) repeat 3 y( f& M4 h& i* O1 l$ @- d* T
<statement sequence1>;
`; l0 T! n+ d3 B+ E6 x& M until <condition>;" [7 F- {" ^6 N6 x& V+ n
(4) for <condition> to <condition> loop
% d/ O! N3 D1 n& C4 ^5 j( w% e <statement sequence1>;. p) A/ N( H, i+ M2 f
next;3 X. R3 z- V$ _/ H: F1 `
3中断语句) ?8 Z3 u5 }$ \0 B- h3 K
waituntil <condition> prio <integer expression>;4 \0 s5 |) l; D1 L
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! J9 s7 R: i3 x: x$ i以上为常用的函数！
) v& T2 F1 W: ]2 @/ |3 @) F* t还有很多，如有需要我把资料发到你邮箱里 2 }& F- p( C: j
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