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发表于 2012-11-13 08:48:12
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1判断语句
; I8 Q+ w8 i& n+ ] if <condition> then
/ P/ I" o2 M5 H p2 r; D W <statement sequence1>;8 h9 x. \& X# I9 f
elseif <condition> then0 [) `/ ^: T9 n' i' @
<statement sequence2>;4 Y" E$ Z) Q/ E- T f7 s6 ?3 d
else
! i5 V6 [$ \- e6 d1 n <statement sequence3>;
; `, o, x, H4 E; ]0 g+ h end;7 } U4 _/ d( r1 p3 f4 h; o
如果分支比较多，用：
3 s4 ?/ r6 g' u/ i) A; @6 F; B inspect <expression>/ T: E6 i! o- e3 q
when <constant_list> then7 O/ g8 X" u* `/ o- ~
<statement sequence1>;
, s) ?% x5 a9 g1 T" B when <constant_list> then6 |9 m/ ^* Z9 z5 H! A
<statement sequence2>;- A$ i3 o" e/ h9 F6 q
...
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<statement sequence3>;
5 z8 k2 ^- z( c9 Q$ z$ M+ kend;
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2 O/ Q9 N: M- o/ e$ o2循环语句; B. f8 ^# M: D
(1) from <statement sequence1>
% ]. M7 B" r7 ?# v until <condition> loop% T5 T! ?4 W- @8 b# ?8 N) q
<statement sequence2>;
& M) a3 f K w end;5 d+ z3 w. C6 g& ^: p! b
(2) while <condition> loop
* O9 T/ h8 |4 |: V" ~ <statement sequence1>;8 e1 ]% B9 F7 q" N9 T
end;/ Q" L, z. u4 x3 L% _2 d0 a' y
(3) repeat & f! y0 D9 M |- U
<statement sequence1>; p- y- m- O Q- K
until <condition>;/ [5 r$ \ Z, I, R+ C
(4) for <condition> to <condition> loop
) ~6 J8 _! O. K1 A. P- r: a <statement sequence1>;4 P1 \" T" @1 S5 N" Z' m: w
next;
, v" X% I) r1 F4 C- U d+ w" E6 N' t3中断语句
6 j. ?3 y4 {& u: B+ _' H waituntil <condition> prio <integer expression>;- ]4 Q, |) k$ a" F$ T
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8 N1 ^ Z7 `9 ]0 _5 o以上为常用的函数！, d5 a! d, l& {; a" w1 y0 ~2 v2 g
还有很多，如有需要我把资料发到你邮箱里
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