|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' w! O$ y' M) s( F1 X2 E
if <condition> then" P- T% }7 A0 ~; P
<statement sequence1>;
, o. U/ P0 r* p) a4 p elseif <condition> then
" t, G6 J" }* j2 ] <statement sequence2>;" P; H0 z+ e; A" E
else
" J3 H$ p. a5 b' f <statement sequence3>;; Z4 z$ N: N# O7 ~
end;8 A2 c1 J4 a4 G
如果分支比较多，用：- Z2 Q5 S7 y# m4 Q* n* Z: [6 j: o) _
inspect <expression>
! h3 J$ [+ A' g* X' v( g* P when <constant_list> then
( G2 l5 o6 j5 e <statement sequence1>;& y3 x# t6 i1 S! Y& \
when <constant_list> then
4 l6 f6 ^+ U# M2 W! P! ` <statement sequence2>;
3 I, j4 v- p$ I K ...
9 X7 f# T+ i) P; E/ e' } else. M8 U" ^6 A4 ~( s6 E L0 \" Z
<statement sequence3>;' F5 U8 q# J0 z9 B0 G: S/ d) s; P4 R% X
end;
7 F& x" `: E7 A( ~7 ?
4 k7 z& ~9 H! g: u! G2循环语句
3 ]/ z2 m) o+ Z# L/ c (1) from <statement sequence1>; Q3 k0 j# _# f" O2 ^
until <condition> loop! Y/ S" b1 q& z, C; p- _
<statement sequence2>;% d4 _% _ j5 w- z
end;
9 q# @/ q; P2 D8 l5 l (2) while <condition> loop
+ P8 ~, U& J$ i <statement sequence1>;) u* f7 g( {- r8 y. A6 P+ j) y- O/ C/ y
end;
7 T, `9 C4 L' S* d" G( f+ H (3) repeat
1 a) w( |' L4 k5 Q- B <statement sequence1>;
4 s3 h- n& k* ^ N4 V until <condition>;! q* V2 Y3 ?! T( H
(4) for <condition> to <condition> loop
0 M9 Z- K0 P0 Z. I <statement sequence1>;$ a7 D% }7 Q* d( X+ L+ M4 o/ x
next;
8 h5 r$ t* S& d8 V, k! O, l3中断语句
; D7 U2 [$ Q# U, d9 S$ \: v waituntil <condition> prio <integer expression>;3 J! o2 |5 L5 }0 e$ U \) n
1 e2 X5 g( D; X1 E# e* d1 o
: H# b8 Y7 o7 G9 p" h
以上为常用的函数！
: B4 h" r5 D' S! M还有很多，如有需要我把资料发到你邮箱里 0 e# e% c9 d+ j& b
* N! o( ]0 E: H
c* k# C% b6 n
/ M+ p- N9 |5 ~+ i* Y: i) H
C. u f9 n! g7 W; B: o* ?0 r+ G5 k0 A ~
9 ?$ ]" q1 \+ @
+ y2 E+ s1 j, K; J5 J1 R6 o! ~9 b) K/ a+ [, j: h8 V% {
2 O& j& q1 J" o 5 Q% d: O- o( }& ^; P! e
|
|
[复制链接]
