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发表于 2012-11-13 08:48:12
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1判断语句( g( @) A* T! u$ G) @% l3 N9 j
if <condition> then
; Y4 }2 W- C" l7 ] m <statement sequence1>;
9 X, Q) q: i) v7 P2 F5 @* @ elseif <condition> then
$ W. W0 S0 q3 z6 F <statement sequence2>;; e' p) A! {4 s" G/ F% V
else 0 D& _5 J, P, c ~/ i
<statement sequence3>;
+ v6 V8 V( O* J. K$ S8 V end; G( g8 Z2 e9 C( Z4 {
如果分支比较多，用：6 {4 b1 C4 p# C- L7 a6 D; E
inspect <expression>
# }. E- @- M0 R/ p! f! T @. T when <constant_list> then
. D' h1 r; b4 n <statement sequence1>;
* P; b: B2 q4 {0 f when <constant_list> then! \3 f) V! s* I! Z
<statement sequence2>;; F+ t/ v' O5 g. i
...
% ?( U. r4 `( m" a+ R" N s# n. h else
' @ |/ I5 w0 { <statement sequence3>;; e. k# I( v* \- M5 J
end;6 A. Y$ ~. G$ {
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2循环语句1 k+ Y) t% {# f: H* k
(1) from <statement sequence1>8 t y, A, R* R0 f# y& E
until <condition> loop! @8 y1 R5 D6 H
<statement sequence2>;8 c* j! w# \1 u# V, A+ b
end;" k# u' r: `+ J' }/ I( {# j1 e
(2) while <condition> loop, N) _$ U) @. _. S
<statement sequence1>;
8 N0 n) C7 N6 u. f4 e end;- ], H- j! b4 S8 @ W! v
(3) repeat
H: G# v) c7 g <statement sequence1>;
/ q% ?7 Z" p( ?) l until <condition>;- Z, c7 ^" n0 v1 W' B
(4) for <condition> to <condition> loop
8 L5 ?, h* N8 X6 M <statement sequence1>;
6 B- k+ y, O; x) a" F next;
$ j9 g2 S% U) v' n G! Q \3中断语句
" [: w: a- {3 X) i0 l6 I: M4 M5 c! q waituntil <condition> prio <integer expression>;
' b! R2 H8 {5 ]2 a
p I% k5 z# P4 ~% C% H
/ V- F1 E. t# [5 x; k0 \9 T1 E以上为常用的函数！
; x2 K5 ~$ d$ Y8 i1 b4 }8 m还有很多，如有需要我把资料发到你邮箱里
+ f0 m$ }7 }% P/ _% X( `* U/ ?8 O# c( m3 [
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