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发表于 2012-11-13 08:48:12
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1判断语句8 X, Z' x9 e9 h
if <condition> then
5 T; L7 o! |( f+ r+ o <statement sequence1>; c5 l! W6 D' W1 \( c1 J: A7 X
elseif <condition> then
j" c& B5 G* l5 v <statement sequence2>;8 p0 g( s) T6 k
else
5 E4 t: r" m9 L3 h6 z. G* T <statement sequence3>;( @" O. U) x) K) r1 ^& u
end;, M5 @& Z } u
如果分支比较多，用：+ \( K0 c" Q \+ A: a. S9 W+ H
inspect <expression>
* A) X* Y) p/ N% _" n% P2 a when <constant_list> then
) D; m, O$ S) ?: k' f& M# _ <statement sequence1>;2 \: S" d/ H* q. ^/ j: I3 A2 V4 E
when <constant_list> then" ^+ g4 f3 ~9 {. j! ?
<statement sequence2>;
& C( D1 I# U9 b6 ?' I% | ...
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<statement sequence3>;
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' `0 k, n8 D1 _# d% G* y6 ]2循环语句
+ I' y) t0 e& ?2 X5 d* X1 K M (1) from <statement sequence1>5 L" U( d3 \! `
until <condition> loop
+ |4 {3 G$ s( {; _ <statement sequence2>;7 K& h5 O& Z: P" }! q0 m6 @
end;
* Q/ A; ?9 a- ]' H3 b (2) while <condition> loop$ j! f: S7 o/ f! j: n! g# M
<statement sequence1>;/ ]; t! L6 d) I
end;
% X0 i$ U$ U) J/ t( m$ L% S( ^ (3) repeat
7 S% W! f2 M* V. z9 ]: s <statement sequence1>;: `8 b0 [5 U, w, E
until <condition>;( i* ]5 d0 W4 y5 G9 c8 n, `
(4) for <condition> to <condition> loop5 O( D3 J" G" J' W
<statement sequence1>;! z) E! F& Z+ d1 b3 _2 q9 m3 X
next;
1 i; `$ i. d1 n( {6 J3中断语句 D1 O0 U6 M: @( i9 \, ^
waituntil <condition> prio <integer expression>;4 ?* I, q7 h7 i+ ~1 Z
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6 D! _# `/ e/ {4 d. d$ q以上为常用的函数！
$ }, P3 `# u( t9 I* A# f8 I5 I* `还有很多，如有需要我把资料发到你邮箱里
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