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发表于 2012-11-13 08:48:12
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1判断语句) c- l5 G* }( K: t/ l
if <condition> then# T" o ^1 X8 [- q1 F
<statement sequence1>;6 Y: V# K3 j, G8 [# L; o
elseif <condition> then9 _1 G0 K& H' f4 v3 g
<statement sequence2>;
; d6 [9 e9 g4 D$ z+ F' K2 O else / J. E4 {% `2 D7 K
<statement sequence3>;$ g' _% ^8 D; G) y
end;
" k' i& V9 P3 @ N2 o. e如果分支比较多，用：
4 }2 b6 L9 ~: C4 ]( d0 I% i inspect <expression>
/ ~' O8 M: r, V; a3 Z4 ? when <constant_list> then
) g+ p6 }/ x( M( ?; V <statement sequence1>;
. o i' L7 u* [# S+ k. X when <constant_list> then1 g. @ x0 y; m( _" p
<statement sequence2>;7 {% h' a$ Z5 s5 y4 o
...
! s) }7 j5 ]; C# [/ f9 A2 Z else
5 M* j; ^1 {2 H( n) t <statement sequence3>;
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8 f$ \/ F' m& `9 J; F7 W2循环语句$ }; |7 \% |/ v4 C/ k) f4 ^
(1) from <statement sequence1>: D: Q- O9 u3 D1 |2 D }# z
until <condition> loop6 R, ]: U, C2 y0 X9 R! v
<statement sequence2>;
/ o5 c: \$ b& ^4 `5 k end;
. b( j2 o% _4 D. W2 w9 R. h (2) while <condition> loop
) y; q% ^" g- @+ l/ s, A$ o <statement sequence1>;
1 |6 b- M. D4 ^1 ?+ j) ]0 G( M end;, G' J }9 }* K P& ~& X0 w
(3) repeat + @7 p& u" K/ Q& p' C0 {
<statement sequence1>;
$ I! n, [3 M+ N- v( g7 e( | until <condition>;
( `7 p g1 ]4 W! A, ? (4) for <condition> to <condition> loop
/ E8 R, \- X6 O- @' e <statement sequence1>;
, W: c1 r0 U9 l1 B/ E4 P next;
; x( h3 F+ ^# T0 L3中断语句
2 y. P5 g1 |& |/ i. f1 K waituntil <condition> prio <integer expression>;
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" U/ t$ o' r8 T n$ b8 X3 L, U( z) b以上为常用的函数！
% g8 L- Z) b3 J, ~* p% g. r! u7 C6 L还有很多，如有需要我把资料发到你邮箱里 1 J- N- V1 l+ D! b8 h8 m( |' w
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