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发表于 2012-11-13 08:48:12
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1判断语句
7 E2 B9 e/ j/ H w# o if <condition> then( C. c1 W) R# \6 y( k; n b9 i$ i
<statement sequence1>;
+ \1 v/ [- _4 G! r; k# b5 T! ?0 T$ ?8 X6 r elseif <condition> then, y% L# { ~; O" ~! p/ V
<statement sequence2>;
/ v$ Q8 ^6 _1 n1 S else
$ Q9 f9 y i' v5 \+ P- I7 b$ f <statement sequence3>;
3 u) U/ \+ s7 @ Q9 G) C- z: M end;
! @( ~4 ^8 T b% B% C9 h7 w如果分支比较多，用：( |% c1 ]3 h3 D. t W; P! X4 ~6 J
inspect <expression>
- ?# M1 q, N8 B, E0 G when <constant_list> then- B9 Z5 x# @% {3 t
<statement sequence1>;
; D, r% R: h( f8 M when <constant_list> then
) d- k: P6 Z) ]: X <statement sequence2>;4 ~9 w2 N/ r+ U ]- \) t
.... W+ d+ T5 U8 G6 \* h( ~
else
. R. a' {7 w0 X) m9 k <statement sequence3>;
( b+ w8 L9 p o6 [9 ?; pend;
# {( d2 @. ]$ [
9 W+ L4 ^5 h0 o2循环语句( k* Z8 R* y3 A; W, E5 G
(1) from <statement sequence1>; C9 `7 s: Q* C l2 h
until <condition> loop4 |! l9 r) `/ |5 T* G# V2 {
<statement sequence2>;
: D. b" l5 \' w& J end;
% o4 a7 f$ J0 Q2 j (2) while <condition> loop2 U( l# H4 _" F/ f: S! ]1 ^
<statement sequence1>;) ~5 [" Y( C/ K5 h" V9 l
end;% f3 l8 @1 O+ C# A$ }4 j& P5 x
(3) repeat 7 G! @" @; E4 P" s7 I( [
<statement sequence1>;' B. ^0 a7 J+ x5 W- l0 z$ c
until <condition>;4 P/ @" c8 k# P' I+ g1 x
(4) for <condition> to <condition> loop- j8 u# W* A4 z
<statement sequence1>;# o( A/ g2 ?5 Q Q+ Q) Q
next;* K H. n! ?1 {" w3 f2 B x {5 M( n
3中断语句7 \: K( d8 I; R
waituntil <condition> prio <integer expression>;- C U5 u) J$ m* R+ z$ m1 |+ c
& h7 a# p5 @& |* U. g/ }
?" {2 m- Y8 Z5 n以上为常用的函数！
" E- z# e: O6 w9 _, }# w, Q$ ^还有很多，如有需要我把资料发到你邮箱里
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+ S' C" I, x. m$ X' D- {- m! a1 ^/ }$ L1 t/ F, [& d' d" @/ G
/ @+ k- F9 @+ j0 z0 {2 r
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