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发表于 2012-11-13 08:48:12
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1判断语句6 f+ H% d$ N/ W1 j
if <condition> then! Y1 G# B. C/ v* K
<statement sequence1>;
) _5 k" w6 R, D7 h" ?; e: ~ elseif <condition> then
. Z$ }. \, p0 A <statement sequence2>;' {6 p! _$ ^4 a3 z7 M$ j
else
% g) A3 n4 B% T4 i. h <statement sequence3>;3 G3 L0 l Y/ A$ M. U
end;2 U; U6 O, w! K) x
如果分支比较多，用：- Z; @# R6 b) u% d! F
inspect <expression>
& j6 s9 b" k9 L) W5 r# K- O9 e when <constant_list> then5 o/ D$ U% _4 w
<statement sequence1>;0 W# g7 a0 }, w% i' m$ E
when <constant_list> then3 A+ m" `/ C; l3 V6 o5 S* f4 _+ _
<statement sequence2>;
, U5 G4 S& w9 {7 f+ J ...
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<statement sequence3>;
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2循环语句5 j2 i9 i1 u4 U% e- v! z1 o* _
(1) from <statement sequence1>% Q$ B6 \' g) Q; @
until <condition> loop
/ K' F) f. L3 [- ?0 Z <statement sequence2>;
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(2) while <condition> loop) _, l2 E0 G( ~
<statement sequence1>;2 y6 ~) Z. n8 Z2 x) p" L% x
end;
/ w: p$ O1 j# D9 v( a7 E& Q$ Q (3) repeat : m7 ?& P! u+ f; ^
<statement sequence1>;
" |. ^1 J9 [$ H: Q until <condition>;+ F) {( n7 v7 s9 o4 l; K8 ^5 ?
(4) for <condition> to <condition> loop
+ C) d2 x! F! z/ n( v( u/ x! K/ u# D- Z <statement sequence1>;$ x# v" a7 Z8 y# `8 G
next;
[% X/ Q/ R# t+ Y/ ?- I3 G5 @3中断语句
( Y: f6 F0 y+ s; U6 `+ | waituntil <condition> prio <integer expression>;* r4 U! \3 R- T `, Z) [! |
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以上为常用的函数！7 R% c" ?9 ^4 M8 x: c- V
还有很多，如有需要我把资料发到你邮箱里 % g: o M9 T; N4 D. u
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