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发表于 2012-11-13 08:48:12
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1判断语句
6 Y# z5 v9 v* I1 b- I! g& _. a" Y$ ~ if <condition> then
7 q/ V# C& u7 R1 r. s+ } <statement sequence1>;
( o" s$ a4 l! t. X$ {: {, g( y elseif <condition> then
( n: G% [# Q7 o1 E7 Y; j <statement sequence2>;
* C& b; T+ R- C. z else
5 I) ~+ s7 L# u1 t! [ <statement sequence3>;
8 }# `" a9 g8 t* c% ^/ {- T end;. C. W5 j8 w) o* \. o7 R- e
如果分支比较多，用： @* J/ N! k: X! x# H0 K
inspect <expression>: P, ?8 e( c' P" e7 o' C7 W0 p
when <constant_list> then
+ E l' {6 y8 }% v <statement sequence1>;
q3 Y, P2 r% y) z7 M: u when <constant_list> then+ @5 f% z% g' F2 Z2 u
<statement sequence2>;) ~6 j* @' r! G r
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else1 B; K$ f6 k, d7 n, j
<statement sequence3>;
0 r" Q9 K7 o$ j9 X I5 _end;" P, M/ b2 h' z3 y( E" }
+ ]3 N2 |; ?8 W& d4 w ^5 s) }2循环语句* u0 \6 U. @0 t4 m$ y8 ~" V
(1) from <statement sequence1>& N+ p: p) Y# r2 V
until <condition> loop
5 n. T5 h& i7 z4 s5 i* u <statement sequence2>;- B7 P8 N2 {" M
end;
& l& F# ^: Q7 l3 o) H0 f! c (2) while <condition> loop
4 h& T1 W8 \. p9 z* I; m <statement sequence1>;
$ T* w; `! p2 t2 l end;
?6 v8 i E; `- @ (3) repeat ( i3 c) Y& g: d
<statement sequence1>;2 Q- H, B) q) t6 n! e) n3 n
until <condition>;4 O9 d# w# n4 c" I
(4) for <condition> to <condition> loop' M' D2 _) G; J |: m
<statement sequence1>;
6 l: R' c7 D& u- v# ? next;' E2 V L- h$ s
3中断语句7 W+ N/ g4 H0 y. u7 l( v) A
waituntil <condition> prio <integer expression>;
% \6 Z) U- o0 A
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以上为常用的函数！
1 ? R$ P" g% k) o" z还有很多，如有需要我把资料发到你邮箱里 . i+ E: \2 m4 B Y; q, X
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