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发表于 2012-11-13 08:48:12
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1判断语句$ M3 ^; V8 m( \
if <condition> then+ {# L) X; K2 P' T9 c
<statement sequence1>;3 W. k/ g+ ]' u- v
elseif <condition> then
; o B( z" `. w$ L8 G+ o9 g <statement sequence2>;6 a" k1 f, U) B) G
else & A6 w: Q2 I6 x+ f4 ?/ b! ]+ M' L
<statement sequence3>;8 _5 y" i& N1 ~
end;5 X( ]7 g2 O1 ?( Y" p j2 F# y
如果分支比较多，用：
0 C4 \* y1 T! y# H- Z/ I inspect <expression>$ k: a* V7 P8 a
when <constant_list> then
# k+ @! w- h$ Y/ E0 C <statement sequence1>;
. }; \/ B" r# a2 Q) G ?& d% x when <constant_list> then
+ J6 X4 y( G R0 c2 {+ \ <statement sequence2>;
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else( ^% {3 Y- ]) m3 z& f) O, ]
<statement sequence3>;9 q8 c+ a8 ?4 u7 v: ^
end;- A8 s' Q2 ~' O3 E
( L, X* I1 ?; }+ q3 K2循环语句- ~# l4 h" `+ H; p+ P: k( S4 r" u& Z
(1) from <statement sequence1>
4 H7 s, x+ m1 m% v until <condition> loop1 }" B3 D' A6 v8 V- H/ _
<statement sequence2>;
! S% J' P! h% e. x5 ~ end;
7 Y' M: f% Z0 m; }* Q' ?" @1 y (2) while <condition> loop
/ l* R& X# C2 w8 c3 N) H <statement sequence1>;) v$ Y, j( e; h. n
end;4 x! s3 _, a3 P
(3) repeat
0 q; m; V. ^9 L- U <statement sequence1>;
) h* d9 A4 y( ~0 h until <condition>;
% ^1 |1 N1 E9 m% V' @/ g2 M (4) for <condition> to <condition> loop
/ F3 Y' b% s% a1 [ <statement sequence1>;
- J: D& N7 T7 f8 Y# l' ?4 {% a next;/ F+ e0 B' W/ S O; l
3中断语句' ]. [' O4 \+ Y5 ^3 h$ u
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: N: w L' L/ `4 ] K+ p还有很多，如有需要我把资料发到你邮箱里 ; p2 `$ \9 T2 r4 ?
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