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发表于 2012-11-13 08:48:12
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1判断语句4 D3 k4 N" s7 V- N! N1 y0 X
if <condition> then
. b5 I' q0 @- i <statement sequence1>;
; a1 c8 t6 W4 d9 L2 ] elseif <condition> then2 }# u7 _0 G' t8 J
<statement sequence2>;) P. t+ w3 G6 c5 |- Z
else
4 _' [9 M6 s# N% r2 P, ? <statement sequence3>;! V" ~, h& H# [7 T4 u4 E3 C6 v
end;6 g9 d- I3 Y- B3 [3 k
如果分支比较多，用：: _- Q. W8 K4 `% E9 F$ ?6 _
inspect <expression>
. W2 m9 V- b9 c( D& r- N when <constant_list> then- B4 ~1 l( \% D, A5 b6 P% w( [
<statement sequence1>;3 B4 T$ D ?) v
when <constant_list> then
* I# ^$ b2 z# V9 F3 h b" g1 K <statement sequence2>;/ e- a% N( z; z& y
...
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<statement sequence3>;
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2循环语句6 c4 c3 ^$ L4 _' p5 z* z* w
(1) from <statement sequence1>$ v6 j: Q4 G# S% m% h
until <condition> loop
& a4 g5 s" M+ ~) ~9 e9 P; u9 l <statement sequence2>;, n s8 m8 A4 C; k$ I
end;6 _" x) H) Q' s
(2) while <condition> loop) C: K. G1 `+ [- G$ ]) G
<statement sequence1>;* ^) h' u/ l, G6 s
end;3 M# G, x1 b% w$ x' U
(3) repeat * e) J8 N! s7 _3 J
<statement sequence1>;. ]0 l& w9 a) x( b& `+ ]& V) W; f
until <condition>;
! E* R+ \8 J, y8 a (4) for <condition> to <condition> loop
; z) O2 o q# R% R% p" b2 Z: }/ } <statement sequence1>;
% [3 N8 y c9 G9 H# R next;
+ I; h+ d1 ]4 p/ m* s3中断语句
8 B( p* W6 ~- I$ V waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 X/ ~- z* {9 ^5 @7 i还有很多，如有需要我把资料发到你邮箱里
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