|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 R6 s2 v: B' @
if <condition> then; [, W* A6 [ D& Y" R4 { G" A
<statement sequence1>;
R0 m9 l: g2 p; t- ~ elseif <condition> then6 l! J L7 j7 Y$ j. e# c
<statement sequence2>;
$ s" i; H! T$ m else 8 m+ K3 [+ k# Q$ l' m) J! ~& M/ F
<statement sequence3>;
8 s2 S. d+ G6 X end;2 h; v2 t& k5 H& [" g2 j( T# S
如果分支比较多，用：
4 K" r" G/ ?; C# P inspect <expression>8 u% O+ ~( @5 k
when <constant_list> then
7 F( R) G, g, L1 T" ] <statement sequence1>;
/ p- m2 f% t! W- ? when <constant_list> then
) p- M- ?: x, T4 M1 N; | <statement sequence2>;
/ S8 h2 O; {8 a+ O6 [ ...
* @( X' }% x% Z. z8 d else
9 w! X& v* g: S# j4 I# P9 t <statement sequence3>;! H* V2 D) l! p6 h9 d! l6 [
end;
1 X) n& Z% I1 {% x. j4 x9 v
9 W; O) |( T2 `% O2循环语句6 ~) a1 z: ?7 N( N
(1) from <statement sequence1>* ^4 a. |3 r" S3 m3 l
until <condition> loop
8 P# a8 ^/ [% J% G <statement sequence2>;7 P4 L7 S, y6 n) L3 _
end;5 d# N1 r& z# Z# T
(2) while <condition> loop7 m9 m" b( S% y3 k3 [& C
<statement sequence1>;
* [7 K* F ]8 t' E end;
8 R: }3 Y3 x8 |7 f( d7 g (3) repeat 0 ]5 L0 e, K5 r1 m! p! U
<statement sequence1>;; u* t& {5 d/ b+ H' g1 _: F
until <condition>;4 U7 @: v" r ?: F9 ~0 M( G$ P
(4) for <condition> to <condition> loop# D$ y, M2 h O$ M: M% w- b$ i4 J+ e; H
<statement sequence1>;" m5 U, \: S- w- h: s, h# C
next;+ n, @% [5 Z/ N, v" p
3中断语句
& V6 e% B% q6 g8 ? waituntil <condition> prio <integer expression>;# b3 ?4 Q* |3 X
7 J$ ]* G# L$ g( ^* X' k
' W+ l* n* G0 c5 ?9 m3 D! V以上为常用的函数！4 U+ z( ~/ M1 v/ s3 t, \4 M2 o0 O
还有很多，如有需要我把资料发到你邮箱里
( s+ D y" B; @ k+ {4 A/ `0 D& C) Z/ h" Z) U
- N# l+ I$ X) k3 ^; ]" F
' y) r& p, G+ H, _2 N0 O) y, _. w$ }: {! \
- ^: u* `& e/ H2 C. H
4 b( g ~. b/ Z, G% }$ A1 P' L+ C
3 E2 c3 E% J& n- r& O% b" v
8 T3 N. @/ U# i, \+ o3 c2 n8 V3 M# F0 |6 a" B1 V% Y4 E
* T0 H) Z7 b" V' ~1 W
+ @. o5 n& V: H% R; E |
|
[复制链接]
