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发表于 2012-11-13 08:48:12
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1判断语句3 }" C3 Q3 C @: u$ P/ K
if <condition> then
% n! ~$ s4 P3 b <statement sequence1>;& C! i1 ^! z5 C$ c" \! W# l
elseif <condition> then
8 Q9 I3 n9 o; d" [% d4 Z <statement sequence2>;& I+ b/ F9 z0 y: a# K
else * _- L' K+ A! J# L' A
<statement sequence3>;
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如果分支比较多，用：& v5 s y7 R; z' p! ?
inspect <expression>, ~" E4 j% y4 R1 R! W& o2 }$ S' x9 b9 I: n. W
when <constant_list> then$ R3 s! Y* ?: G/ p# R4 i/ q
<statement sequence1>;% r( g0 p" B' D) {! {
when <constant_list> then
$ N4 G% B# e+ s2 c" @& x <statement sequence2>;! X! S2 C$ L4 q$ z; S
...
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<statement sequence3>;; H# O2 b# r5 R6 k3 E. h" _! e/ Z" Q
end;
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2循环语句* g- K Z3 X0 r! f* L
(1) from <statement sequence1> a7 D9 Q3 m$ P! V
until <condition> loop
5 G' @' _/ l2 K. j2 ^) @, o* G <statement sequence2>;! {! n& U) U" e3 C- F8 y! _
end;
' _: v% W; w. H: C (2) while <condition> loop
8 a; ]( @% ~# ?2 {7 `7 S <statement sequence1>;0 w! A6 C2 q. l
end;
* W, X6 v5 _5 I4 F: s) x6 ] (3) repeat
6 q" M) {+ y0 w* L a <statement sequence1>;
/ o& K; p8 Q6 r, E4 O until <condition>;
0 H) ?- e+ p5 |( \ (4) for <condition> to <condition> loop7 e; f/ x/ {2 {+ E+ o* Z
<statement sequence1>;
6 H1 O7 Q0 H3 O6 o3 I0 K! K next;; n! x1 t+ i: G/ \ ^2 r" d! c8 O
3中断语句+ {6 ?8 [2 X8 c% P+ z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 H% `: ]* e3 ]还有很多，如有需要我把资料发到你邮箱里 & o/ |6 Q; u, s
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