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发表于 2012-11-13 08:48:12
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1判断语句
$ Y5 S+ D& L' z if <condition> then
: Y8 z# _" L% e2 a <statement sequence1>;, w, U. V W' ~& |3 D
elseif <condition> then
2 y2 F* ?3 F3 B; c <statement sequence2>;. @' V% J5 D( h) F
else " o" I( Q# H; e* O
<statement sequence3>;/ Q7 q' h2 N& B
end;7 w+ H2 |2 g2 t6 a! |8 c2 [
如果分支比较多，用：$ D) K. Z" t2 d: ?6 u
inspect <expression>
* Z2 |8 i" _) {1 d( L when <constant_list> then
; [6 W$ q, a! ^% e* y9 a <statement sequence1>;
/ w9 T- N& q: D$ b; t6 |+ f when <constant_list> then, ]/ [! M- c8 G; G7 V, X; j
<statement sequence2>;# Q( B9 Q r: g- t, e0 v) @2 w
..., B# ?8 E1 n) M! n& V
else
% {+ x( h& _2 x! ?- S/ _ <statement sequence3>;
! [5 ^2 B2 C6 V7 g/ H3 Tend;
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2循环语句
0 p: [- R8 I; @9 c# q* z (1) from <statement sequence1>
# f# K9 M, F5 V" H6 } until <condition> loop
# P( b, h: ^) X" k! | <statement sequence2>;" i/ X, E# U' ]" _8 V0 o
end;
- \, Z5 y& U4 d, R) `* G! y" J9 ? (2) while <condition> loop I% |# S" k2 \& ~( I. g1 L
<statement sequence1>;# D' s" P8 K+ y, t, |5 s) |# F
end;) p9 o" S$ ?% t* M, e' z$ H8 U- y
(3) repeat 2 c: ?: W+ [* l
<statement sequence1>;
% P1 y7 S) t$ @$ p, K# d. p6 o until <condition>;
8 @) `. _ {3 R$ r (4) for <condition> to <condition> loop
# U4 X8 ^, a3 n; |3 ?0 A; \ <statement sequence1>;
& ?% i$ j6 }& U/ ]3 }. h1 k next;
" ]. _3 b4 K! R$ {* g3中断语句
[# J3 L0 ~+ O) J9 y9 y$ w% _ waituntil <condition> prio <integer expression>;0 ]" C" Q8 i0 I& _
/ p5 Z6 V# k# @0 i2 Z f
, r3 l+ K! v& E$ y6 y
以上为常用的函数！
: Y( o9 b8 N# k还有很多，如有需要我把资料发到你邮箱里
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