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发表于 2012-11-13 08:48:12
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1判断语句
/ _( l' F o5 U* ]' H if <condition> then, V1 K! S# R3 N) J
<statement sequence1>;
. i2 R$ c( W# B# p" p% l# u. c elseif <condition> then& ~! X) K+ ~7 t+ j0 J
<statement sequence2>;6 ~2 c& ~ }/ e, J$ w
else 6 ~) X+ d$ m/ P9 Z% u% b7 Z: l
<statement sequence3>;
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如果分支比较多，用：' |" w* I3 ]2 B, L" B: D
inspect <expression>
/ Y' i8 [( p. Z$ {. {& t. o) e when <constant_list> then
# @. b F" H3 Y. _9 W <statement sequence1>;
/ H4 C, a1 |7 e8 U+ k$ F9 y when <constant_list> then$ z# A4 w4 V6 j9 S
<statement sequence2>;
: J* a, D7 E% g0 a% s ...
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<statement sequence3>;
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" ?. }9 w5 T: O, \2循环语句/ t- m% L. M- q. H8 b8 A
(1) from <statement sequence1>6 \4 v9 h" o E5 O* T% p* u6 s
until <condition> loop. X3 l: g* Z# @* Z* V7 ?9 d
<statement sequence2>;" G0 o+ S, p8 N# G+ P
end;
$ I3 X* K) w% s/ K6 V: h; ^4 W (2) while <condition> loop
: Z( Y1 E) L) d! H; S: H <statement sequence1>;
! D7 G+ H! F6 @, ` end;
2 g k5 m, j' q1 j! H (3) repeat 3 @) U5 [4 m/ z. a9 }
<statement sequence1>;/ X$ F H* f& A/ J
until <condition>;0 N5 t5 Y8 W; l) e0 g; u8 }
(4) for <condition> to <condition> loop% y$ k4 d7 t% C9 D* `5 u
<statement sequence1>;% W2 [& ]" ]4 [5 n
next;( X0 H& C: m, D9 E/ a$ c
3中断语句7 S- @. ]$ Q1 W3 O* j8 N) [1 b9 E
waituntil <condition> prio <integer expression>;1 e8 ~! C& B: u$ ?
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+ J# ` _8 x3 g) Q6 f0 ?以上为常用的函数！& G/ U( w5 ]) W$ u6 J
还有很多，如有需要我把资料发到你邮箱里 |% y4 |$ ]$ Y4 V; f: W
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