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发表于 2012-11-13 08:48:12
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1判断语句
2 @6 f/ D+ L3 A7 G2 I if <condition> then
: x8 H% n) d! Z A" ^ <statement sequence1>;4 d5 A" B @; D& t' C
elseif <condition> then
+ ^7 T+ }6 ~4 I <statement sequence2>;% u4 W6 X1 j0 N' Q6 R
else + y) {; |! e H* R& c9 A9 v
<statement sequence3>;6 S6 X' v# r2 w6 H6 ?
end;; X! {% z& _% `& s" A
如果分支比较多，用：& M3 O/ i! R. w3 {* }; t; n) e8 u) x* Q
inspect <expression>
, U0 f" ~, Q$ r5 `. j when <constant_list> then" Q5 l+ Q! D' u& u. [
<statement sequence1>;
" g: `; L9 S" @7 N% r0 [ when <constant_list> then
. p% \' n* s) f0 V+ i <statement sequence2>;5 W) G* G6 q& G5 p
...% l7 }, F/ B% t
else/ L7 [! g( M* m+ x/ @+ L
<statement sequence3>;: N w2 \& e7 h$ W, T
end;
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2 ^2 ^8 Z) R5 Z$ x0 D2 E2循环语句1 y5 G0 t/ A \: F7 S; m
(1) from <statement sequence1>& H% R* j; C- s' x9 Z% ]$ z
until <condition> loop
; V# V6 W4 W3 T! ^. Z/ i <statement sequence2>;& N4 m$ ~8 W& W* V% J4 ]/ \; ~ s
end;0 i9 Y0 g6 a. O, W# H7 y" K
(2) while <condition> loop5 F! z5 G; A! ?; ]8 o N
<statement sequence1>;/ v6 Q2 P! [$ Z- D, t
end;8 O' i1 F9 n6 o! l7 Z U. S( c2 U
(3) repeat
- Q$ J4 [3 H' D, K8 j <statement sequence1>;* U# W& F$ a* @) T/ K! y
until <condition>;1 ~) S/ g+ B$ [5 [8 p, A
(4) for <condition> to <condition> loop
+ f/ `" W* o! F3 y3 W7 r/ V <statement sequence1>;; q. o, v; Z+ e9 G$ x' |1 x' W
next;. j6 E) a6 {! P- I
3中断语句 D# O. L }2 I
waituntil <condition> prio <integer expression>;; U. l* b( K; V1 t( ?
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# [$ l% c$ D q
以上为常用的函数！
( o# K- a# _( g, Y% w" D. r还有很多，如有需要我把资料发到你邮箱里 ' r5 k3 A7 r( ~/ D" r2 P9 [
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