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发表于 2012-11-13 08:48:12
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1判断语句% g7 d0 Y* b0 Y
if <condition> then0 E$ L- C l) I" E' }6 M
<statement sequence1>;7 G1 U" L) b/ o- }' X
elseif <condition> then# V( Q- k2 h# S2 d3 j
<statement sequence2>;# K6 F% K! n- z- ^! s
else
9 m# D% W5 s" C: B) r! {! L+ T0 R <statement sequence3>;/ U3 ~! v# Z1 _$ D! i, S. F
end;5 u" F1 ]* V; j7 Z2 g$ ~/ t- e
如果分支比较多，用：
. B' u( a, d7 u1 H" F inspect <expression>/ T: O5 G5 ?5 K8 v' j
when <constant_list> then4 ~ {! Y% I* ^9 r( [/ s. K% o8 M6 M
<statement sequence1>;
" T: d! f- c* ^0 _& f c3 M. r when <constant_list> then
/ i# a% ]5 R) z7 C. R <statement sequence2>;
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else2 @+ o9 e% D7 ~0 K$ Z
<statement sequence3>;& Z' |7 P* n. @) `
end;( V) I, p. M# p4 X2 X
5 G' E: }9 n k; o2循环语句
2 z% t) y- W9 X; A- O (1) from <statement sequence1>6 U4 S; H2 ~! v2 g5 _
until <condition> loop1 \, B2 \9 ^- A) e2 m
<statement sequence2>;; k/ H4 w6 _9 m) R t& ^8 g
end;! F. f$ l- r$ N4 h$ Y6 Y
(2) while <condition> loop3 |3 p4 l4 M. v, X. X
<statement sequence1>; F n/ f, S, h. B9 V! T4 T4 ~. X p
end;
5 L: U1 {4 E G' c9 `+ t (3) repeat
9 G% F0 r P# n8 Y6 l <statement sequence1>;- Y' j1 p: u/ {* Q. a+ W* }
until <condition>;$ C, r* F9 M' d% X5 I& X+ o
(4) for <condition> to <condition> loop
0 I! D: k0 U+ u3 ~0 Q# h+ ] <statement sequence1>;
M/ J5 z. G; I+ z next;
+ A9 f& T$ y- ^3中断语句8 Q7 s" n/ J |4 d/ g+ ~. k
waituntil <condition> prio <integer expression>;
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i" c! e( J/ q/ w
! k9 x: S$ J& B! ^以上为常用的函数！7 n6 M# m2 C) ~. [$ v
还有很多，如有需要我把资料发到你邮箱里
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