|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句6 ]6 o, _4 R5 T' E( B
if <condition> then
3 C: U8 h; k3 u9 Q* s <statement sequence1>;3 S/ a4 {: s+ n' u
elseif <condition> then- |8 U+ J8 f( O5 L. L
<statement sequence2>;. h y0 k3 D% q# b
else ' w; h! I" O3 {& m
<statement sequence3>;6 \, o. _, \! W# L$ T
end;
" m) d! C' {( k, U* O0 d如果分支比较多，用：/ D ?3 h& d5 j1 O4 N- f- e
inspect <expression>
3 ?0 ]7 K, g3 W3 O! Q& F n when <constant_list> then
, e' R) R9 Z" Y' Z <statement sequence1>;
% c! i' d; ?' P# { when <constant_list> then
. d* v; ]) y: }4 J. Z# r+ }% U# E <statement sequence2>;
5 Q+ a$ ?) [/ C k5 |: W/ m1 W ...
: g/ j# Z3 I8 B else
* Y" [, {0 [* m! g! q9 j <statement sequence3>;/ Z' M1 \# v3 k G, v. {
end;
# H5 t/ k! K g0 l8 h( u" |8 x& r7 c) m' q* U
2循环语句9 x5 }; H, h& ]+ z. E& F$ N- h
(1) from <statement sequence1>
9 w5 B& @; V- X# F" z2 f, z* U until <condition> loop
2 q# B& C) o% {7 _) T1 Y. Z$ E <statement sequence2>;
+ J! [7 e& G! |+ q end;
_+ }; u* y% \" z (2) while <condition> loop
! V2 n( e. G+ t% O& m6 j1 B7 X" | <statement sequence1>;6 F$ ? n; q# e
end;
4 d2 p* C% w5 w( k (3) repeat
[8 U% n, \" o/ T7 z <statement sequence1>;) C5 }9 s$ p8 h* x5 Y5 c3 Z
until <condition>;
* n Y: Z) A+ u1 g p* f7 n2 _ (4) for <condition> to <condition> loop; w5 Q/ x" M4 z+ B4 \2 W
<statement sequence1>;8 A, i. t: v$ l
next;; V. A! C6 {7 F7 G+ W0 f# j. W
3中断语句
, g( V- @# d8 e: w n waituntil <condition> prio <integer expression>; l: Z8 ~' r, _$ U* k$ b# ~
0 [ f# I' I' p7 w k8 {
2 D' }! J$ d7 v- G9 [以上为常用的函数！
; O2 ?* w1 T, b2 j9 w0 c还有很多，如有需要我把资料发到你邮箱里 n& Y, E1 M5 Z) N* g4 J2 _7 A" X
' _+ u- R4 _: M0 }' y) w1 L/ _2 @. Y
0 a7 r4 ^' y6 Y, N
& ]1 V8 U& O4 X, j
+ R% i4 A2 q. I, u* {- t+ f
, e6 z# }9 Y% {2 p9 l' g1 n$ G7 K- z+ v# H& b: u0 Y
3 |: O; r8 c' Q! K
0 x" \: e) K% y6 o: r# @" h6 a : z! z" E- T% G7 h3 u& ?: X: e# J
|
|
[复制链接]
