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发表于 2012-11-13 08:48:12
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1判断语句" P7 C2 y! c8 s9 {) `3 A
if <condition> then* b' n O# i, S/ p! z9 t. P* ~
<statement sequence1>;
: O2 D! x" _0 g x- {6 @ elseif <condition> then; O6 q# L+ G) r" V, W! F3 @
<statement sequence2>;
8 u/ ^: s q3 g6 m& s1 l; t3 C$ q B8 W else 1 O5 {2 X; J# S1 a1 p. H
<statement sequence3>;
3 W) I! r! y7 J" B/ ^3 ^" Q. Z* H end;
9 L1 ^) P+ X) d( k/ l如果分支比较多，用：- l' l* @/ r; Q8 h) B
inspect <expression>1 p! B8 ?5 N0 d6 E& N
when <constant_list> then
' K) R0 b4 I( G <statement sequence1>;
' Z+ a4 _* ]* D% q! f# ^0 g2 I when <constant_list> then
' B1 ?8 C9 r7 P( X2 E <statement sequence2>;2 t/ c+ J4 J- \# [+ S
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else) N# p9 x I4 p# r( T. }$ J$ x' n. L
<statement sequence3>;
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! z Y$ k4 q5 R( e1 V3 v/ F2 {# X1 u (1) from <statement sequence1>) d9 L' @! i- O( ~ I# _; `6 B" o
until <condition> loop1 g0 w# [$ [( X+ o: G. S, l8 X
<statement sequence2>;
+ ~. ?6 s0 k: J! d4 N* B! U end;5 ^3 U3 j8 }: f s8 _
(2) while <condition> loop: U- G" o s3 {! o- Y
<statement sequence1>;
( `3 G6 ~7 ]) @) D) w end;* A6 T2 b8 m8 e0 Z+ c0 R( p4 Z
(3) repeat 4 @4 ?5 v0 [' x# V+ a T1 T' {- ^
<statement sequence1>;
4 r+ l" I2 A# A. P* |; J" l s3 G until <condition>;0 `5 a* |* d' _. m3 L
(4) for <condition> to <condition> loop& r% a) X" }- M2 o2 H
<statement sequence1>;0 _; l; p0 U* {: A4 f, f3 d U+ E
next;5 l `0 g' K% w p
3中断语句0 R- p& p2 }4 H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# g, S8 ]" y, j, j8 N, @7 x" ?& Z2 v6 l
还有很多，如有需要我把资料发到你邮箱里 . n* P5 h/ m/ D/ D7 C
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