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发表于 2012-11-13 08:48:12
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1判断语句' C. ]. }% ?3 t, x7 G M
if <condition> then
+ p: z" u5 M& v# q. R9 s <statement sequence1>;
1 n7 J" H `8 n- \ elseif <condition> then3 E4 \+ w0 K- N3 E4 `$ K
<statement sequence2>;
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<statement sequence3>;' }6 ?9 z& l8 L. v
end;
5 I% n. m; j a* b& T如果分支比较多，用：" [. ?5 i4 d" T- ~1 ^4 p+ _) N. a
inspect <expression>
1 j4 f6 z2 Y+ E" X% Q1 F when <constant_list> then
/ I/ i" |9 @; K# y9 a7 r4 `5 Z6 J! v <statement sequence1>;. @1 i& D- Q6 l1 F
when <constant_list> then9 Z/ e6 [* t+ d$ b3 i
<statement sequence2>;7 ` `6 a- w3 d1 W* x( [
...
, s5 q+ l5 p) \' V; y else
$ h. y8 J: x5 r. I( S <statement sequence3>;5 h: F- |, j4 x" G" @
end;
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; G. t, P3 ]( \4 v4 }2循环语句
" H5 q% |: e5 [% c (1) from <statement sequence1>* j' V; t5 \ g
until <condition> loop
4 |% n/ s! }) e6 c: }: w <statement sequence2>;6 A2 d% ]8 s# @# l
end;. `9 Z: T$ @8 H' y+ d( L0 i6 }5 U5 B {
(2) while <condition> loop
7 B' l4 c% ^1 H3 w0 \8 [, o- S <statement sequence1>;
+ B& N/ p( d- ? m end;% X3 K# t' ]2 w! m8 Z/ H8 f
(3) repeat ) n: i/ u) F% o2 `9 \8 t* Q
<statement sequence1>;
+ p* j% ~% O1 G% e. Z$ L" c until <condition>;
" t# u6 O' Z3 A (4) for <condition> to <condition> loop" @2 d1 `9 _3 K8 Q0 [% X/ P
<statement sequence1>;0 O! i- s2 s' e: L- L5 ], u0 V) W
next;
, _. f+ R" H" Z2 N" S3中断语句7 M3 l5 Q- b" S% O' s; A' K
waituntil <condition> prio <integer expression>;0 \; g' F& M" C# v" p
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以上为常用的函数！
9 f. }- G, r2 n3 `7 ~3 F1 u* P8 c还有很多，如有需要我把资料发到你邮箱里
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