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发表于 2012-11-13 08:48:12
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1判断语句
& v8 I! n+ J: i if <condition> then
8 D+ A+ y, F7 k0 T' J, t0 K <statement sequence1>;
, q. N6 h* ?$ N) B1 P elseif <condition> then, A' ^3 `' v1 B( m4 Y' I
<statement sequence2>;
5 P q$ U: O) l5 { else : a O1 q- O# \4 s. L5 m5 T4 E9 Z% y% Y
<statement sequence3>;
; H; F- A- t$ `& j end;
3 `) i# {5 p# f1 I: x. o& z" l: P/ _如果分支比较多，用： d Q s: K/ V' ]6 v
inspect <expression>7 v, \( J/ ^2 h3 U& ~" v
when <constant_list> then0 a! x0 `' F$ S1 `2 q5 z$ ~
<statement sequence1>;; j! c$ a s% E# Y
when <constant_list> then) A: z% r {6 F, Y0 X2 u: C
<statement sequence2>;9 Q" ~0 ~! u+ W) W1 f
...
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<statement sequence3>;
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2循环语句# h& |, V, }) u. U. q
(1) from <statement sequence1>2 v8 o) u: o8 T: m r# C
until <condition> loop5 `+ T1 \0 E! ?) v! s& v. w
<statement sequence2>;
, b2 D i3 A% v9 d3 @5 o end;; u1 C2 ^9 v6 r; c
(2) while <condition> loop8 _: `+ A- v, z. \, I7 n
<statement sequence1>;- u: m9 s4 J; m% {% l
end;3 m0 B# N6 C+ J3 x
(3) repeat
9 ?; A) v9 z. }! ^! d- s# l <statement sequence1>;
; ]9 p* B: l* S( I! f3 u until <condition>;$ F6 l/ P3 T/ q( Z* R. k
(4) for <condition> to <condition> loop
6 d! T& o0 s/ {5 k% ? <statement sequence1>;
4 `- h+ r* r6 J5 R4 ?' J next;
# K# p3 O2 }0 `+ w _! s7 o" k0 `3中断语句# k9 l t" ?- O
waituntil <condition> prio <integer expression>;
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以上为常用的函数！- a. Z# {1 B( F7 O
还有很多，如有需要我把资料发到你邮箱里 5 ]( ^+ t8 c9 C# A2 z
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