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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 v1 |7 P% {- Y. J% J if <condition> then! p0 o) h" _) Q) ~8 ^# y8 p( W
<statement sequence1>;
Z! r" x6 }% Y6 Y elseif <condition> then
4 d3 D' N. U9 W <statement sequence2>;: z. l n3 u( Z" {0 {. ]
else ! K$ k' O1 e' H
<statement sequence3>;5 f, c# h# m( |, P5 O5 Y) N$ j
end;
% f9 Q0 a/ K$ K: @( a0 h4 c2 F如果分支比较多，用：. j0 ] `; y4 K
inspect <expression>
- w0 ~& H! c3 I& L7 w: X8 X& o: j when <constant_list> then
5 C! ~7 @! s" | E- d7 q! F <statement sequence1>;5 z5 g4 A/ E7 h$ M# H- L
when <constant_list> then
+ `4 _( q7 G/ r8 X. V <statement sequence2>;" j& B1 E Z u. d' A5 d& e
...
0 s' H/ t/ h4 t else! `1 B! {: Z' b. F, j
<statement sequence3>;
1 I8 N8 J7 m8 ~, ^end;
4 T& w4 @ Z; \# I( S% k7 [5 i! ~/ |- A
2循环语句
9 D+ e; ^) n$ `- W: x1 C (1) from <statement sequence1>
4 @' `1 Y/ N- x& E- A/ }2 q/ ^/ r until <condition> loop
0 _4 o6 L( @$ C, W i. u <statement sequence2>;0 L6 h3 z: O* Q# ^- e5 `: |
end;
+ P& ]2 n; ^/ h$ f (2) while <condition> loop) J" S2 h; _+ R7 }+ P4 n
<statement sequence1>;" `% _* z$ [6 e+ R, A- x P: L
end;
; F9 G2 H; M9 w1 t* G0 X (3) repeat . v, b& u4 ?! {8 _# P
<statement sequence1>;3 u3 n1 {7 l) M# g( b7 N" r
until <condition>;" c( S# h. _' M G
(4) for <condition> to <condition> loop
7 r; j7 i, B3 \ <statement sequence1>;6 o" W: V ?0 u8 G% w1 ~
next;
& Q' s1 m8 ~* M! r% G+ ]3 [3中断语句- L; C1 H' x+ [- R9 o4 }
waituntil <condition> prio <integer expression>;9 ~7 r8 w" U- ^ C
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o/ {3 i7 y: ]2 `8 N以上为常用的函数！' S$ @5 _6 _/ h* `( Q
还有很多，如有需要我把资料发到你邮箱里 + h a; E P. }$ y4 r) }( b t) s
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