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发表于 2012-11-13 08:48:12
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1判断语句0 F9 f) M; g }4 w$ p
if <condition> then I7 Y% a9 A4 l7 }( D0 p# }: Q
<statement sequence1>;
4 o% |- t+ S3 A' j- l7 e' D8 o" S elseif <condition> then
' o& j# w8 G! U <statement sequence2>;
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<statement sequence3>;
' ?# @; t, K, z; h8 ^! Q+ i3 P# m1 t end;
( N9 Z, ~; x5 y如果分支比较多，用：( ~# @4 C$ X# {& V- w$ `
inspect <expression>5 Q0 g" b! _1 _8 _
when <constant_list> then
5 @1 x) @ q* q9 [ <statement sequence1>;2 ?7 p" w! a! O& e/ ~% V) {7 a
when <constant_list> then
# m5 x, o' k7 P5 B+ D <statement sequence2>;4 J r" H0 ~+ u! x0 w
...- o* t6 S% r/ C
else9 U) M5 C- [; U
<statement sequence3>;
2 a5 Z6 S6 U) v$ t' x8 S% tend;
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2循环语句
! g% ^2 X' n# M; R" N1 ~4 r (1) from <statement sequence1>4 o2 s3 }3 c( \4 D
until <condition> loop
. e* K! ?, r* R: L; C) P8 U, T <statement sequence2>;6 L- u' ~5 n3 ^9 X
end;7 j" c3 Q/ [8 b- l+ r
(2) while <condition> loop
7 [ J! o. D- [4 u) D <statement sequence1>;/ W; g) L4 |! A. [7 N$ p$ N3 f0 S. _
end;% c9 v/ T) t- s. ?! s
(3) repeat 7 Z( T8 |, E, ?
<statement sequence1>;3 A) {' f- Y5 U' I* z8 L
until <condition>;
- w$ G4 |6 x g a) C1 U (4) for <condition> to <condition> loop
# ?# a0 d" i, O <statement sequence1>;+ g# P1 H; c4 o7 z9 ~' H, P
next;2 c1 o* t( y0 D, ]$ }( i. m/ z9 D
3中断语句; Y( M' B2 w6 `' }9 {
waituntil <condition> prio <integer expression>;* D8 ^) {3 g/ z
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以上为常用的函数！
; l5 P7 V; V5 _5 c/ r9 m& H3 S还有很多，如有需要我把资料发到你邮箱里
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