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发表于 2012-11-13 08:48:12
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1判断语句7 c. \6 v, @3 x1 g, Y
if <condition> then7 G- X. x. |: o5 q5 [
<statement sequence1>;
% H/ f, ?! H9 B elseif <condition> then: q5 E R" X2 z1 Q
<statement sequence2>;( z4 c, D$ e0 c, C3 i
else
; c8 U$ h7 y: E7 E5 W# m {% @ <statement sequence3>;, }' i) Y% W6 H# }# z; D- H
end;; }. ]7 j6 x7 w1 T
如果分支比较多，用： k% h1 g% t: U
inspect <expression>
" ]% g; f% G4 ]4 S4 g when <constant_list> then7 P% u" Q4 N: G7 V3 a( g5 N
<statement sequence1>;
7 C# H1 C) }% b# i, u+ X when <constant_list> then8 E6 v3 e$ z& ]. C+ g# z
<statement sequence2>;
1 p9 @" D. |2 M0 { ...
8 m4 o) s1 a6 U- e$ m; c" _& C) k else
' B+ d0 ^9 p! t: p L <statement sequence3>;2 s+ q% |4 G- ]
end;
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2循环语句5 f9 A; {" f) t9 f
(1) from <statement sequence1>, `0 g3 k$ p# C5 R" w1 F# D# S$ }
until <condition> loop
. C' N: U2 y9 [! K' b <statement sequence2>;! Q, |( p4 {/ K+ H( Y% ], O/ ~
end;9 i9 T5 i$ q* m4 P! u/ x0 R4 W8 _
(2) while <condition> loop
8 a; G$ i1 e8 v0 [+ b$ H# o <statement sequence1>;
6 D6 g# i$ |# O; I- U7 ^5 G* Y. P end;5 e8 \' r# s: \- n
(3) repeat
( y" k7 Z! l% O# P+ _ <statement sequence1>;
" n; P3 c& L9 O9 t/ a until <condition>;- [! d6 }# F- M- k' O }+ H
(4) for <condition> to <condition> loop
9 p6 @; e/ o" S- t <statement sequence1>;# g/ A. j" w8 z
next;0 V0 |2 l u) X1 V' O+ x
3中断语句
u2 M$ l. W r5 ]' j$ @' @ waituntil <condition> prio <integer expression>;
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8 p# v( j/ Y6 E1 \ z( r1 B以上为常用的函数！
& P# v, C' E; _4 D还有很多，如有需要我把资料发到你邮箱里 6 J% T1 J3 Z! Q8 S
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