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发表于 2012-11-13 08:48:12
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1判断语句
6 D# D) }+ u7 t9 R% z if <condition> then
( C1 j3 W7 o: ^ <statement sequence1>;
! l4 R! }5 ^+ r0 }& f3 L$ m elseif <condition> then
- c2 t* {( I$ T <statement sequence2>;- A9 o) O8 g1 Q; u- U- w
else
9 Q2 {5 d; v$ z& [1 M <statement sequence3>;
- F5 z0 ?) r5 b) l0 c end;1 q, n& ]/ [! a9 c
如果分支比较多，用：
/ Q1 n0 @ |+ g4 q inspect <expression>6 T" f% V$ \: y+ t ?! r7 {3 x
when <constant_list> then
2 a6 S/ K6 s4 T Y! u( g# i) P <statement sequence1>;
% z7 K: \0 M3 V' d7 t when <constant_list> then2 N0 Z5 p! a5 J
<statement sequence2>;( p H& N7 W2 ^; Y
...( V' b5 ^9 u9 q1 }/ `
else( a2 s( r, C8 q6 G8 X9 b
<statement sequence3>;# k" k* `! Y g+ l& C# P# F
end;
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4 y& b/ w( r5 Y: w2 G* C6 o( _2循环语句
# v! s. b) E& Z1 s" w9 N (1) from <statement sequence1>
: w7 j l( b: W) L6 h until <condition> loop
* E+ f3 L5 ^$ U$ `, x, X <statement sequence2>;' p+ W- O( S: R) V7 k7 V. |/ Z
end;
( z4 B3 s9 x: [3 t; d# j (2) while <condition> loop
8 |5 m$ \& r; y+ a5 G <statement sequence1>;( o) R; G- r# B g) |, H/ D
end;6 o3 P' c' b. M; A" i, t
(3) repeat
$ u9 f- A& c6 ~! N% _ <statement sequence1>;# j. i8 H- [+ U8 W0 b* i
until <condition>;
9 l# t1 m: S" n (4) for <condition> to <condition> loop* r `. L6 Q/ ]' ]9 o2 U' a
<statement sequence1>;
6 z t& {! B0 V" s" M next;
- p8 I- o; I% B3中断语句2 j$ b. }, k( ]- z L& @' b g
waituntil <condition> prio <integer expression>;
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; s4 A/ h+ q8 h以上为常用的函数！
# k8 s$ J" @5 t& B- v: G还有很多，如有需要我把资料发到你邮箱里
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