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发表于 2012-11-13 08:48:12
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1判断语句
: ~0 _8 p$ j$ k \/ g7 \ if <condition> then
7 ~- F! U# N. a( m8 S <statement sequence1>;
; D8 y* u0 o2 x elseif <condition> then: K6 a4 ?. S6 M+ [. }& g1 Q7 r+ o
<statement sequence2>;3 I( k0 S/ ~; c+ x6 A
else
3 `1 v, |! }, A* h; v <statement sequence3>;/ m% x- x d$ I% H P
end;
) I# A6 N" R$ k" ?9 M如果分支比较多，用：' h. @- d C3 M! C& T* r
inspect <expression>
- y2 s. g5 ^, ^ when <constant_list> then0 y7 y/ M6 Q& A# a# U) r5 d
<statement sequence1>;8 E @. Y, H$ r7 H0 P# ?/ u
when <constant_list> then
* i: i% G4 b- D <statement sequence2>;* W3 R( d5 _1 @
...
: Y) a$ m/ B8 L else
7 _+ [( P' _3 t! V' t- d7 ~" { <statement sequence3>;
) Q' ^9 {' m/ `8 h0 }" R- aend;
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! w/ b1 V2 P7 T" }2循环语句7 _4 T4 y5 k% z9 j" D
(1) from <statement sequence1>
7 y Z) w8 ]1 U until <condition> loop
. B8 J% @/ l. {' j, e <statement sequence2>;0 t9 V- L) p4 y4 i
end;
" u& i9 q! M1 z (2) while <condition> loop
( I |% T N" ^" H$ [ <statement sequence1>;0 s7 H `4 S$ J- l
end;1 @; r0 [$ _3 y1 r: ~: B& J4 c4 R
(3) repeat . K+ c5 r% s; M3 |+ t3 I
<statement sequence1>;
6 Z# ^0 X5 W0 }" m# @2 p$ W until <condition>;0 J4 c3 K# E5 N7 ?
(4) for <condition> to <condition> loop# ^- C' W$ F" m4 w( e
<statement sequence1>;# a4 }4 c% \" o0 I) E! n
next;
! P, x7 J v8 [% w8 z0 v9 i5 @3中断语句
$ d0 n% I) g- F1 c, D$ ~# q" q2 N waituntil <condition> prio <integer expression>;
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以上为常用的函数！' k: r: n. d* F* E9 w+ @ N
还有很多，如有需要我把资料发到你邮箱里
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