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发表于 2012-11-13 08:48:12
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1判断语句2 M8 D, L& J" a3 Y' A" r
if <condition> then
. x* @3 k( E3 z9 ?+ H& \$ p <statement sequence1>; q/ a# ^; I$ v0 z2 H
elseif <condition> then0 O9 Z3 U7 _& i. }# D2 o
<statement sequence2>;+ s: V4 V* n6 C" ] H
else
" Y2 h4 `( ?$ o: } <statement sequence3>;
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如果分支比较多，用：: X3 d' s4 _( C: j" t. ?- \5 m' P l, ?
inspect <expression>
8 l( q( c4 F0 K; ?1 q L. Q when <constant_list> then
8 P5 Y" H$ t7 |1 Z- F8 B& a- M <statement sequence1>;; F8 T! E3 i: v3 _8 z
when <constant_list> then
) o7 m0 C0 L7 {9 l% I <statement sequence2>;
( |$ N7 A* y5 u: Q/ \/ I ...
, L! W5 \' s' a( D- A3 w" x+ E else
# n0 z# @5 _' Y0 i1 i1 k9 j8 k <statement sequence3>;' w5 ?' ^! o2 T+ m
end;- W- G; E7 e" _4 A( @! H. l
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2循环语句2 e$ a0 c4 q/ b. I
(1) from <statement sequence1>
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1 N! z6 l4 o, y9 ]' Y: u <statement sequence2>;0 K( Y' m5 }$ R4 n9 R% }' _ t
end;
5 U6 D9 |$ p3 h W6 n- H7 ?" i (2) while <condition> loop3 l) I; T G; R4 b' ~
<statement sequence1>;( [1 F6 I" U" ?0 p `, L2 t
end;7 N+ U& P1 G/ |. ?. a& K
(3) repeat
7 S3 ~! W4 t7 ^/ G$ `% w <statement sequence1>;# Y% C& Q0 r" _" J" R( }
until <condition>;
# v: X# M* e! E: ^" V6 D4 `, E (4) for <condition> to <condition> loop
" m H6 k1 v; v) A$ G) v. i <statement sequence1>;1 J( }) T, t4 Y+ s6 z* [
next;- @/ S& A$ l# p, ~" D9 ^0 {- d
3中断语句 u! @1 q% V. E
waituntil <condition> prio <integer expression>;! H$ ~# U) B$ u2 s9 D* b
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以上为常用的函数！
! \7 l2 A6 ~8 V# [还有很多，如有需要我把资料发到你邮箱里
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