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发表于 2012-11-13 08:48:12
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1判断语句
l% ^5 r9 b3 z) m& z if <condition> then# |. ~$ x3 L/ z: C: R9 J
<statement sequence1>;
2 H2 P8 Y$ B( r9 b- K; o elseif <condition> then
- L: c: O4 \7 ~ <statement sequence2>;% n; {7 t+ E6 \
else % N; o) {* Q) i. \% ^
<statement sequence3>;% P( w4 T: \5 z! U- I
end;! G8 B3 F+ `! }: h$ C3 ]
如果分支比较多，用：! [4 E' s9 ?0 t: l, S. ]
inspect <expression>8 R" H' ^" Y$ `) r0 C4 H
when <constant_list> then
- ^$ u( O1 M6 v7 u" F: p <statement sequence1>;
& w( i4 d8 a f when <constant_list> then1 \/ ~, d# ?" p
<statement sequence2>;
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else
4 {! N0 J2 B- v j, G. E! r <statement sequence3>;+ j) i; q* }( Z2 K) n) e
end;. G$ `7 s4 G2 j( }' ]# g
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2循环语句1 T5 h4 o; B9 W
(1) from <statement sequence1>
; ]; R. Q; N9 K& u. Z until <condition> loop0 Z$ X; Y# l, d7 C: z
<statement sequence2>;
% C' i2 K, w+ b {8 o1 t end;/ c6 Q% @! _# e" R; Q- l6 v- Q
(2) while <condition> loop: t' N/ R. f2 Q4 l
<statement sequence1>;
/ r i1 G3 x( g) R6 l end;
; f) e [. ]1 I& z4 P (3) repeat
. j* X7 R* @( p) {* z0 c' x <statement sequence1>;" R+ T$ a, \$ W* z
until <condition>;
- K! v! w6 \' S% B! [. N" h (4) for <condition> to <condition> loop& y1 J8 N9 A2 r+ L+ U- I2 R
<statement sequence1>;
$ i& Q" k( G2 ?: d0 y, x next;
8 }0 h' X! n3 S( ?5 ]: T3中断语句8 v7 ~2 L! v( `* P
waituntil <condition> prio <integer expression>;4 Z W0 i2 y# @6 _ F
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以上为常用的函数！, L& U' W% }4 o s! x# E0 F
还有很多，如有需要我把资料发到你邮箱里 ; |; f+ ^# v. Z! Y: Q! F8 o t
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