|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ }$ X: {+ A; @; \4 B; ]3 T9 y if <condition> then' A7 k4 a0 f0 j3 K# V4 \# P
<statement sequence1>;5 p/ T$ _0 }& }
elseif <condition> then
$ w9 `$ J0 w" _ v7 F <statement sequence2>;* z4 M' F1 l2 h" i! Q0 E
else . B9 Q9 P" }# Z7 G* B |
<statement sequence3>;* j [ w0 z* U/ J
end;+ [, Z7 f: ]8 `! \
如果分支比较多，用：
5 z- j$ ?, U1 s, ?( L inspect <expression>' m! D. m$ i8 Y' [4 Z
when <constant_list> then
9 l0 O! r) p& e5 x3 k6 ?& X4 p) y <statement sequence1>;! S/ [) W# ?, A s! a: t2 s+ h
when <constant_list> then( I" b+ K, J2 ?, P( Y5 w7 ~
<statement sequence2>;
9 b+ d: m+ Z+ C/ T/ n1 l; C! D) _ .... C8 u. q! m7 d( e
else5 {- E/ \4 p/ u
<statement sequence3>;9 }1 D; y$ Q# a% j
end;0 P; t I3 I7 S. l5 _- s
5 A E' p1 y+ R1 D8 f g8 y; V2循环语句
+ _: j$ i# F8 W6 g (1) from <statement sequence1>
7 E* E# p! @1 |0 p until <condition> loop
} Z) b2 d. U( o( E4 d L" q v' k <statement sequence2>;
; P6 { ]% l# i8 h* @) S end;
& A0 j0 d8 i3 T8 s; f+ ~9 R (2) while <condition> loop
. z8 d# ^! X" G3 |% R! s$ v <statement sequence1>;1 R" A0 d8 |) [8 C* _5 V' T- \! I7 N: ?
end;! z$ Z) u8 {5 z5 j9 t/ K5 `
(3) repeat
: L- N9 G0 L* W, b. T) i$ k <statement sequence1>;5 I7 k" C T1 q3 @* J) h( X, ?
until <condition>;6 W: g& @" I/ F% F
(4) for <condition> to <condition> loop
- _7 L" B: O5 b' r$ E; i <statement sequence1>;
% q% g6 S M" ^: G+ i( t( ~& H' ? next;, y4 }9 p8 V7 S! Y9 m
3中断语句9 n' r3 g4 E4 ?) o! b
waituntil <condition> prio <integer expression>;
& U" J0 Z* @/ V( r
8 H: S/ m' U/ x) V" d
1 w# a& x9 {$ Z& V0 t' N. o9 M* ] @2 K以上为常用的函数！
$ r; k' ~3 ]: Z" c) F6 N还有很多，如有需要我把资料发到你邮箱里
) H7 e) e; S3 T V. E0 ~5 s4 V( b
. l9 X' ~5 ]: C0 K9 Z+ M9 J
: Z6 M) r' t# V. V5 `$ O
) Y/ l9 n; g- L, [6 h1 t+ m+ d/ j
2 x" k1 T) J6 p* ]+ h
' Y" l9 j" _8 }9 J& X! N( D* g/ j" N: o8 s; d9 |3 J( K
. c5 f' ? H2 E& }4 V4 Y. N" T* ^# x. f
k3 I: }; g! X: S1 K* w
$ @& j& L# S& ^; C
|
|
[复制链接]
