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发表于 2012-11-13 08:48:12
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1判断语句9 g# N: e5 p1 N4 d2 B; E# \- e1 e
if <condition> then
$ {* z1 r) ]% S8 n) p <statement sequence1>;1 }3 P5 U) y' h+ Z; R+ u
elseif <condition> then( F/ z: r0 W* P) E* n7 X- H- X
<statement sequence2>;
" Y* j3 l& m& d7 g else
( J% `! L! K/ T5 J+ N$ J: V* n, b <statement sequence3>;0 B& i7 O: N, Y! m" D9 I
end;
1 K$ r y% q& ~, ]% F+ d/ W% W如果分支比较多，用：
; F0 G4 [0 r) A- J inspect <expression>2 c) Z& K8 e" e" z
when <constant_list> then* x6 ]( R1 T# k' H
<statement sequence1>;! e. }! J7 j o; F5 Q. f8 J+ z
when <constant_list> then
- X& X1 D1 R, i" a& A& \ <statement sequence2>;- g2 f6 d; s& [8 r2 _2 E
...2 Z+ C5 W' a8 o; r" ?! j
else
6 ]4 F5 @+ K1 q) h <statement sequence3>;
6 q$ T' Q9 q, l/ Q0 H3 Cend;
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2循环语句
+ Q* ]2 ~2 q% p- P+ V- Y# \1 _" M (1) from <statement sequence1>
$ m* m" T5 k7 U* N9 c( t' I1 a L" Z, { until <condition> loop, Q6 x, I* O2 `2 K% q
<statement sequence2>;% B8 h" b v- X, }6 [
end;7 r& h& x8 m* \: h: e+ s
(2) while <condition> loop
6 i. `' F" }/ q5 R. Q <statement sequence1>;/ u% g: }& C0 [$ W6 @( V9 m1 c
end;: X) J# w+ f! Z! z' r& r9 F
(3) repeat
+ z V. Y- N$ ?9 \, A) r. @& W, e <statement sequence1>;0 C/ h% L7 h) @& y& u
until <condition>;3 g% U& E3 q% z2 R+ X
(4) for <condition> to <condition> loop
3 @3 ^6 n/ M. O& h" d* b4 L# ^* E <statement sequence1>;9 e" V1 U9 ?( }& W
next;
2 {, q2 t: L$ U; c3中断语句
?9 S" v" S( S, L0 J9 h# J J waituntil <condition> prio <integer expression>;
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; W8 E$ ?& J! y/ z$ B以上为常用的函数！) j' V1 J' f; @% k6 r
还有很多，如有需要我把资料发到你邮箱里 ( A+ o1 [7 u, v4 u ^ [
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