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发表于 2012-11-13 08:48:12
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1判断语句8 l; z4 c2 f f% L# E
if <condition> then
5 b! k1 t1 j4 C5 w5 C+ w q <statement sequence1>;1 a, P ~/ h4 u
elseif <condition> then0 P6 l' Y1 C* p
<statement sequence2>;2 T& y l% |) ]8 G+ Y
else
5 }/ i3 H8 q) c# { <statement sequence3>;
8 P. ]$ |; J7 X/ d9 K end;7 I+ M* C4 M/ C+ M% T
如果分支比较多，用：2 G1 |4 G# f, }3 `
inspect <expression>( R+ {! R4 E T, L& \7 H. Q3 E
when <constant_list> then' [$ M0 N( }! B# A9 l T/ E
<statement sequence1>;2 J1 a( V* g5 U2 G
when <constant_list> then
; ^: _) m0 p: f <statement sequence2>;
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else% O) y, \+ G" L t5 k+ O+ u
<statement sequence3>;
1 u/ z" Z. n* B9 q8 B3 A, f/ r: `end;
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# C* e# M1 f0 @% Y m2循环语句: ?. N4 M- R4 x9 ~
(1) from <statement sequence1>
" R% m" C6 g* G1 |- R until <condition> loop
- s) Z {9 t8 c+ G( o- n <statement sequence2>;
' O% c/ \: b' H$ g- T# L end;
# @) q& L# m! a. h (2) while <condition> loop
( [3 I+ C3 h3 `/ L0 B <statement sequence1>;
6 ~8 {1 h4 G5 S2 V$ E. k8 o end;1 a; i# G& a7 q* d2 l4 i
(3) repeat
) F/ ^; x& K2 A1 X' G <statement sequence1>;
- [: L6 C' ^" |* r until <condition>; r5 v% W( P1 n2 ~
(4) for <condition> to <condition> loop
, p& g; D1 O/ `' a! a <statement sequence1>;
/ { ^% Y4 l7 d next;
! ~$ I& F+ }' S4 e) _3中断语句
- X) [' n- q* Y* Y$ I waituntil <condition> prio <integer expression>;% a* e$ r* Y; q' N U
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以上为常用的函数！
+ v8 `6 |2 X- V5 m* N' R) L. b2 @! J还有很多，如有需要我把资料发到你邮箱里
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