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发表于 2012-11-13 08:48:12
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1判断语句& m1 i5 B4 _, V6 [
if <condition> then& Z; n* }9 N! S7 Q
<statement sequence1>;4 A- f7 g7 z2 M4 f6 I0 Q* e, h
elseif <condition> then
. M4 k, e, J: W) p4 \' z" K <statement sequence2>;
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<statement sequence3>;
( V7 j3 i, E( f1 j) D# w& K end;8 ~, q& U; Z( l7 h
如果分支比较多，用：0 q( ] v9 H% x# v
inspect <expression>( f9 d% q, r; J% V7 G# p
when <constant_list> then
% i( Z0 d# c6 Q7 E* C2 v <statement sequence1>;/ _! s6 P5 `: ~3 D- n
when <constant_list> then
( {% v" l2 k5 [) a6 R5 ^ <statement sequence2>;
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else7 _4 C. c, h& w
<statement sequence3>;9 H0 h4 A4 S( x7 F
end;
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2循环语句
4 {- T" e9 `) n (1) from <statement sequence1>
* B2 h) |: R, t0 I8 p4 N) f until <condition> loop' J2 b- a& b' g) V
<statement sequence2>;
0 K' W0 t. W$ R9 m& t end;
" M7 _7 m% T" n' V (2) while <condition> loop! Z$ {! \& |- l1 J4 F2 d! d7 D
<statement sequence1>;
' z/ s, } W( G4 i; J! ` end;
5 Z! i* L! a: M8 U* O2 L: F+ g9 F8 a (3) repeat
' {$ {+ l0 Q, _1 s/ A8 z2 [! H <statement sequence1>;: z, X5 Q8 j- v. J
until <condition>;- {6 ?. R& l" U+ D# R8 w
(4) for <condition> to <condition> loop
. j# ?$ M, D; _2 U0 e <statement sequence1>;' |! E! e) t4 K6 x* e
next;
3 f, ~, o7 }! h+ u3中断语句
# S3 r6 c. @, x waituntil <condition> prio <integer expression>;( j4 L: ^, O- ]; _" B
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8 l: W! V. k8 t% m- l以上为常用的函数！
* f. E* c- {7 x# @还有很多，如有需要我把资料发到你邮箱里
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