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发表于 2012-11-13 08:48:12
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1判断语句* V$ @7 Y# _4 k
if <condition> then9 u) }* U. m3 J6 g* N5 o0 P
<statement sequence1>;
! r+ H2 o2 X, T elseif <condition> then
$ _5 l2 I( X) Y <statement sequence2>;% V& J6 m6 k x0 Z/ k P$ H( {
else
8 X% l4 I. u' G0 Z3 _- x3 j <statement sequence3>;9 l2 d# h* c# K" U0 ^
end;4 [( j/ h* [5 a; s, w
如果分支比较多，用：
8 a4 t/ k* r) E7 t' I inspect <expression>' W4 d7 y: V- J' ^' u) y
when <constant_list> then9 T9 l" }' [' w, I0 E4 ]% q% j
<statement sequence1>;% q$ i0 W8 S* k% h+ N* W& I
when <constant_list> then$ X x9 H$ C: d; R" A) P6 z
<statement sequence2>;
6 z z$ s% M7 }6 F8 {5 m) Y* b ...
3 A/ a+ a0 w, A6 C8 V else, A' c2 n4 e9 F, C" L. s6 C
<statement sequence3>;
7 \& N" F( n+ @3 y, y7 G$ A1 u. Oend;/ I9 i! r! a+ H5 y
1 O3 I! E' `5 s" N: {$ b2循环语句$ o9 c& e2 B7 { G V1 V
(1) from <statement sequence1>4 j' O' o, |2 P$ t G1 _2 F ~* Z3 V
until <condition> loop
% s, `2 V* S$ W4 H9 `6 M6 } <statement sequence2>;1 I* C- ~5 }2 W3 [
end;
6 m# t$ Z) N2 H+ [% ]( b (2) while <condition> loop* M8 t: [) |3 t- K+ ~5 J) B
<statement sequence1>; Y, O+ Y. F/ u. e' I8 s6 A! d0 `
end;
" \. s% a; q" a/ G (3) repeat
- b+ C7 @2 U2 P0 G% y <statement sequence1>;
5 S6 f. f. ?8 |7 i' Y% ?1 R until <condition>;9 D) D1 c U2 _2 g6 j
(4) for <condition> to <condition> loop
* Z: B( r$ `* A0 \ <statement sequence1>;
* p* Y/ ~' j) f9 t( K! z- t next;) Z; Z7 S9 {0 b( c
3中断语句. @+ r. A# w2 {! g `2 X! E5 h* n
waituntil <condition> prio <integer expression>;* S& ^- `* t) k
* {. d7 b. e5 j! `4 i: m
% G4 m( a' w6 L" \) @; |5 Q+ ^" w以上为常用的函数！( m2 F% S& b* a9 w: A" p/ p9 K1 v; }
还有很多，如有需要我把资料发到你邮箱里
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