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发表于 2012-11-13 08:48:12
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1判断语句
4 x/ s0 {; I8 b, b5 Y if <condition> then
4 h9 o+ W0 g% X% l <statement sequence1>;, [! r5 Q) M" Z- i) m
elseif <condition> then3 b* ~1 H+ Z) F/ R
<statement sequence2>;
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5 m1 m! I, t x- j( ~ <statement sequence3>;
: D; y7 z* {: D" Q, | end;
! ^. Q# S& \7 i. ~: S# x0 b如果分支比较多，用：
# ^$ H. \* h+ B. {, i6 f+ n inspect <expression>
% h9 O% p( m0 z K2 b+ K( D when <constant_list> then# U2 t9 k+ B1 U' I& W! |2 S
<statement sequence1>;
! N8 ]' N; U' h i; O when <constant_list> then
5 r+ ?5 X8 G7 M4 c2 _$ V <statement sequence2>;
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else
8 d2 y6 j) g/ L2 U# q <statement sequence3>;
" h' }& x) l! [7 u8 g+ e( l1 N- Uend;
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2循环语句% l/ J0 _- S% r7 B. k/ D8 r
(1) from <statement sequence1>4 W A& R* U/ r/ c' Q7 I0 _( G. e7 n7 R
until <condition> loop
# } F5 A1 G! B$ @ <statement sequence2>;* }/ v1 b6 E" _' a+ ~
end;
: @* L$ q% V% {) L6 j (2) while <condition> loop5 l/ s+ {4 i1 \
<statement sequence1>;# w" |2 j3 ?4 E& l, {& @
end;+ |7 [% C$ Z8 k% i9 w
(3) repeat ; ~/ F9 b9 H3 T# Y/ b
<statement sequence1>;
1 u6 g; b1 W4 Q$ u+ C! L: } until <condition>;
* }1 p8 K2 Z9 m( X- P (4) for <condition> to <condition> loop
* @3 x( r; Y5 L5 ?7 Y$ ? <statement sequence1>;
" @+ D8 h! }7 |4 g+ L3 V7 c! ?, { next;
o' l; D; ^- f" s, i3中断语句" M0 L7 @' c# ^. C
waituntil <condition> prio <integer expression>;
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$ I, E7 p- B; d+ I+ Z以上为常用的函数！+ r+ ^9 h( F. Z Z) a4 h# l7 U& j
还有很多，如有需要我把资料发到你邮箱里 7 e$ L+ _) ^. T
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