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发表于 2012-11-13 08:48:12
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1判断语句* B7 o9 D5 p. }* d; Y1 s0 }% {
if <condition> then
2 Q7 K) V% n. Q <statement sequence1>;# W% p# `6 n3 s& M9 N5 x# U
elseif <condition> then/ Y0 {! X# |# l+ B a
<statement sequence2>;
6 l; l2 G8 i9 i( K, J else 2 u _* n% A0 _( v. \1 g
<statement sequence3>;- X- J7 L1 B7 C' ]
end;
5 V* E! P; d5 T9 B如果分支比较多，用：
* S$ `. M9 l% r$ p+ b inspect <expression>* ^9 U& F. b* l7 A" P$ N
when <constant_list> then% o" U( P, p2 g( N+ V
<statement sequence1>;* b/ k5 b4 K7 B" R
when <constant_list> then
9 {3 j0 ?" o. p$ q( y+ C1 g, g <statement sequence2>;
h4 L: Q6 ^/ Y1 J; u ...
& y$ L+ O# d% K6 }+ I else
6 Z$ B$ `1 {" Q0 ?7 | <statement sequence3>;5 v1 i# Q6 | X- G0 O
end;
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/ Q5 k+ V) i3 p/ s5 s& n$ s2循环语句
/ {3 T$ S) D8 M$ y& V- A" H (1) from <statement sequence1>
4 S z9 ?# t; @ until <condition> loop
6 }; ?( H) h1 F1 s& T <statement sequence2>;
9 `7 U; h! U. y end;
6 s8 T, @2 Y2 B0 U (2) while <condition> loop
3 W+ H$ d/ b0 |( U) \ <statement sequence1>;
) P( u9 X3 m# ^+ J0 F8 f# j end;
/ I) m' S4 h( j1 ]6 ^' t (3) repeat 0 U9 F% i( }; q- z" N9 B
<statement sequence1>;
9 J2 k& t1 K( \7 [0 \7 n, t until <condition>;) i+ X; ^- O* M
(4) for <condition> to <condition> loop
' H+ Q. r; v" N' T+ |# V4 a <statement sequence1>;
( Z) ?) U) x- l+ {9 B% b" Y' y next;' {5 j5 A7 k! {* z2 W+ r6 D
3中断语句2 U0 R8 n8 U+ K, Z. \2 r6 t
waituntil <condition> prio <integer expression>;# j2 b6 |1 S& _" Q
' m% G+ d0 @5 s' T( u0 B% y
4 @. u' t2 b/ V' l以上为常用的函数！+ U y Q9 V4 i4 q
还有很多，如有需要我把资料发到你邮箱里 ) ~* ^ J" L- _- @3 V# ~
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7 G! z1 B! @& Y" j1 F# G g
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