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发表于 2012-11-13 08:48:12
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1判断语句
, c1 i3 S0 \' q" |$ H8 [ if <condition> then
5 W" c) ?% K/ k% J! v <statement sequence1>;( L; ^: k/ v4 E( F4 k& n6 ~2 f" d
elseif <condition> then
! o2 a8 L3 {' E! [6 H8 e, d4 l <statement sequence2>;6 R# O0 @/ V3 f# R N
else ( u0 e$ ^( z) G% V
<statement sequence3>;# C1 @5 d" w" m! ~+ e' A
end;
+ M$ O9 |. H$ D$ X( t- r- A如果分支比较多，用：
% O$ d& R, i8 y u$ G, ?- U inspect <expression>& w8 p- _' Q/ a! ]2 u; y. Q C2 L6 k
when <constant_list> then
: @/ e: a3 T( t5 |$ J6 Z& Z& A <statement sequence1>;
/ e# ~: J) P( c- Q4 p0 i when <constant_list> then) ^: U3 Z. X) o% F. v" N
<statement sequence2>;
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else
1 ~* ?4 m2 D' N. [9 R <statement sequence3>;$ H z3 { V3 W! s6 E8 ~/ m
end;
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2循环语句" \3 ^8 ^ E1 \3 p. s) Z
(1) from <statement sequence1>+ l: y% {) Y8 p9 ^
until <condition> loop
( G5 ]) L* c& T( e2 J, b <statement sequence2>;
$ S4 |; F, |9 l: u) `! s; P end;" ]0 k5 t2 l- A" h
(2) while <condition> loop
5 C' j( W- @) A7 ` _3 R5 ] <statement sequence1>;$ k; C2 F* i) y C( C: ~3 c* z
end;3 V" |/ O! D$ \& O2 G" @- Y
(3) repeat 5 Q' R: c C; ^8 @ B, J
<statement sequence1>;4 N! l8 ?8 ^, u0 A2 N0 n$ W1 R
until <condition>;
3 @/ ?( P0 a" I" M (4) for <condition> to <condition> loop& F9 T# J5 f& ]0 Q" x, i
<statement sequence1>;" x; N* D- ^$ Q$ N: A
next;; g8 z! r7 T/ x
3中断语句
# |1 j: C# S' F: s- ?% Y waituntil <condition> prio <integer expression>;; J+ z! j7 p8 u5 W* o3 E
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以上为常用的函数！
- j# z3 i" I6 l* T还有很多，如有需要我把资料发到你邮箱里 - f2 c& b' Z# e* Z0 F
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