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发表于 2012-11-13 08:48:12
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1判断语句# X; A/ L( j+ x
if <condition> then
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elseif <condition> then; F/ j4 [8 l# `' Y9 g
<statement sequence2>;
/ L3 }" j2 v% d; Y/ t \ else
# {4 `7 o4 F3 g. W @ <statement sequence3>;
6 _7 u- ^7 B( Z6 q/ x$ r end;
% `2 c' D% b" f, l f如果分支比较多，用：. |# G+ q( y( G, P
inspect <expression>6 m9 }! G0 K2 ~9 K ] x( x) a
when <constant_list> then! k- ^. ^' |/ c! T/ ~6 S
<statement sequence1>;
/ j# I9 o* C. C/ k9 b& k G when <constant_list> then m) x& Y- F' ]" C8 c
<statement sequence2>;$ ?2 g, c0 a. ~& C
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else
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end;2 {$ _3 l; R3 m' [$ r
5 W, {: O4 [. m7 j6 i; I+ N2循环语句
l% m9 M# \; q, |( |2 `. b1 Q' p (1) from <statement sequence1>8 Q! O" k: ~$ R" V; ?2 B0 Q- S
until <condition> loop5 ^1 I" c$ e! d+ ~: h6 l3 ?( h$ g) [
<statement sequence2>;
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(2) while <condition> loop
# ~$ d+ R9 [0 @ <statement sequence1>;
0 p5 W' z8 B- l& P8 w7 b end;
8 @& V+ ?' Q% s% e" W! r7 | e; J, k (3) repeat 5 f: p7 r& F W3 r% E
<statement sequence1>;
- @; J+ C. p+ _" Q K until <condition>;# C8 f/ L% s# S* ^
(4) for <condition> to <condition> loop
( [* X" P8 A) C. N <statement sequence1>;
Q$ j/ A3 A$ } next;( _2 [1 I! g2 r+ c2 T
3中断语句( ^* a( S6 G9 ^ [ k6 g8 U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 S/ F8 k8 i! e4 p& X还有很多，如有需要我把资料发到你邮箱里 $ @2 Y4 x0 \! z. }
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