|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' P; [5 F9 v) x9 S
if <condition> then# f1 g! o F4 k6 t
<statement sequence1>;% Y7 y m) A+ E, S+ I9 g
elseif <condition> then
" V2 o; Y/ H0 L5 a( ?6 e8 z <statement sequence2>;
" i4 z: r9 _2 y$ W x; \ else
& w7 \; ^! {3 Z, u, K% D' { <statement sequence3>;
. T7 U" U! h* s3 ]' F end;' P: I1 \& ^+ J5 q
如果分支比较多，用：0 O$ q2 l- I: z6 [7 E+ r, K
inspect <expression>
0 p5 U7 o: C( m. S/ S' u when <constant_list> then/ V9 m; j' h) |
<statement sequence1>; U; K. H; Y3 o# E' n
when <constant_list> then8 T# v- H$ w/ d y
<statement sequence2>;3 ]0 ~' d% s; U+ x2 D
...- Y% a3 b$ [: L d; [( i% c
else. c: f& D5 M" C, \0 f3 |8 T
<statement sequence3>;
1 d8 K0 m; C) S7 Uend;
3 P/ ]9 s0 ]2 `3 g0 v! B" P7 U! C1 A
2循环语句( ?: [& P3 @7 C4 y6 a+ y
(1) from <statement sequence1>
6 o7 p4 H# ~8 l3 ^6 U until <condition> loop8 L& [# L, } V0 a; S8 q3 u' k
<statement sequence2>;
$ J/ ~( F& T7 Q, s# x: \" s* F end;% K4 e6 F7 p, _7 p) o6 `- b( X
(2) while <condition> loop
/ I9 X8 \ ^& [( Y2 P <statement sequence1>;) O s, P8 W. G2 \9 l' C
end;
- V0 z! F# w% b; I (3) repeat 3 \4 e. y& e5 m
<statement sequence1>;4 ^$ j5 S6 N* B$ G! o2 K
until <condition>;
6 F5 k) V& [# G9 b8 W# P+ n4 T2 [' h4 k (4) for <condition> to <condition> loop
+ o! ], a. P. Z: o <statement sequence1>;5 A! t6 f( n( }- i* P
next;
( `- s" P) Y1 m( [; D; B. g3中断语句
b6 B D& B% C6 r- _8 \ waituntil <condition> prio <integer expression>;
& g4 m$ x# U, b$ ?2 s4 s* f( O* E- E* I6 _4 Q% I+ r$ |1 a" D
2 S' n% B/ B ]以上为常用的函数！
" R: ~1 A. G! S还有很多，如有需要我把资料发到你邮箱里
5 t* q* {. b/ V; J! a8 x2 G& H; Q$ h/ O
7 [, Z& \ J0 ~9 K( I7 G; E
0 U- n4 `: {6 ]. J( h5 `
# H" n8 W# A; s
6 O" P# Z1 W$ i5 t
4 R& Z& S7 X! P* j
5 w# C; M0 h7 S4 A$ V9 L5 G p! O. ] i4 ]/ b
% r: a, g7 d6 I) b ! n2 a2 F' p% ~5 e# Q, c# P. _
|
|
[复制链接]
