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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 K3 Y9 }4 ^8 C% g8 W5 L. [ if <condition> then
" F+ t' ?- b( O) m <statement sequence1>;$ G, Q! g/ R" i: b& b: [
elseif <condition> then
! _. [+ D' ]% ?$ ~ <statement sequence2>;5 X+ g; e8 B9 [, D, ~
else
8 L+ l: D9 u7 B! Z9 K+ a# b. D& g% A: u <statement sequence3>;
8 u: Z, H7 X% f% z9 ~ end;
# C2 \3 J. Z6 I如果分支比较多，用：
. c/ R' l; t2 b/ M9 T1 N inspect <expression>7 a* A& X# b" |" A" t. I# U+ B8 S8 w5 D
when <constant_list> then! f6 {! [6 T; i! b
<statement sequence1>;" _6 G' t# j+ V. j
when <constant_list> then
$ Y; y9 w% S; K0 D& E3 {2 \4 k <statement sequence2>;9 I" _7 L* D5 I h+ f6 k- s
...
" y5 ~& t# G+ K$ _1 t) c5 p else
1 W- R# T- X+ p8 t6 ?( \. s1 F <statement sequence3>;
0 Y$ \( [8 c3 o) p, |: a& v. E) J+ Xend;
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2循环语句
! l( H4 Q6 w" X9 w/ z2 v (1) from <statement sequence1>( x" n* [: m& Z6 w1 l- ~: d8 W
until <condition> loop
9 y. L! H4 H" D( L) [6 I <statement sequence2>;
4 P9 [: X+ M4 }% a5 Z# A& b end;
% y0 o( w+ M6 `1 m Z (2) while <condition> loop
, ?* r' `* _) `' \ <statement sequence1>;
' e$ U& V# X2 W1 t: a. ~ end;
$ w% E$ T8 g, c' X' [7 C) R (3) repeat
4 {' S4 J% r6 s$ u+ b <statement sequence1>;4 t1 t& V$ ~) g0 y# }- j0 `
until <condition>;5 P! Z& \3 C0 i5 e6 f
(4) for <condition> to <condition> loop- ]: o. J$ E5 ` a9 z2 n
<statement sequence1>;' U' `! C6 t' |- v0 Y" |6 q3 b
next;, X- n% q' Y, Z# T
3中断语句
" \- |; H# M! \# J waituntil <condition> prio <integer expression>;3 {3 L! d- y2 ?. J
* A+ L2 F5 z7 O) a. s8 h9 o
$ z/ b8 `5 o) A& B以上为常用的函数！6 K5 X" @) _- N3 X, K: _) A
还有很多，如有需要我把资料发到你邮箱里 8 R! l% A1 R- u. L3 N" V
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