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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 |. H' G3 V5 v5 m; B8 ?( A if <condition> then( z3 A$ }( k/ R2 w
<statement sequence1>;
& v; K2 O W( q& j" M elseif <condition> then
& U( O' h+ _# {7 U- q& a8 q <statement sequence2>;
; F y# w" {/ M else
6 z! ~# K8 i$ l5 c* ^+ ~' O <statement sequence3>;. {% ~2 h, C3 o3 |
end;
$ i+ V7 T3 [2 y' ?5 K5 ~如果分支比较多，用：8 c% H' z- \4 x, g' Q9 Q& o5 ~6 P6 J
inspect <expression>( l6 |+ f/ H( q; ]
when <constant_list> then0 E4 L2 x+ N- y# ^2 n& G0 J2 S
<statement sequence1>;
. `( W$ G) |. g$ {5 ~. y8 @ when <constant_list> then7 h( {; J# V" W$ ?9 b
<statement sequence2>;/ y$ I8 Q1 c( w/ n
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else9 e. e* }3 k$ A; n [
<statement sequence3>;
- w0 I& H' O: e4 Z" B3 J6 I- ^end;4 E) w+ j, Q9 w, ?5 `2 e% d9 M
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2循环语句
; O- H: I, h1 F' J8 l! C+ n2 G8 z (1) from <statement sequence1>
4 \6 y4 b( J& d2 M8 v* \ F until <condition> loop
- _" R# i& c# U- O& H <statement sequence2>;0 }9 c" \) C9 o
end;
! k/ Z: [/ Y0 ~, j3 i (2) while <condition> loop/ _5 j" Z" u. M
<statement sequence1>;
8 N" r4 J) Q/ y" [ y: f+ ?$ ? end;# ]0 J6 W" h2 F$ @
(3) repeat
" L& I8 l9 [, L <statement sequence1>;0 w( C' m+ M! i* t: {/ M4 ~, b
until <condition>;
1 a* t0 O/ c6 z9 G; k (4) for <condition> to <condition> loop- B8 J2 A2 p% k+ Z
<statement sequence1>;* y& \# L, E& K7 G) z, f
next;
. d+ Y' A$ |3 O J3中断语句7 Z c% i. t8 y+ E" C% d
waituntil <condition> prio <integer expression>;) h# O; K3 ?" R" V+ P7 I' R
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! X/ w' H2 \+ s n以上为常用的函数！
6 Z" H# }4 ]# k- `" K& r还有很多，如有需要我把资料发到你邮箱里 ; I* }% z6 z% z; a+ `8 N9 }
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