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发表于 2012-11-13 08:48:12
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1判断语句
1 U: h& R1 j" Z6 @8 { if <condition> then8 a" J# @& j @- B+ L
<statement sequence1>;
% b2 s2 h- w( u* j4 V elseif <condition> then2 r, e7 J& t2 v
<statement sequence2>;
t/ |% {/ p- R @3 o. l else ' p2 G3 I' S- }; j# u4 D# y5 S
<statement sequence3>;
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如果分支比较多，用：4 }% W7 j( @- C& W) x
inspect <expression>! n6 v2 y: z) ~4 l
when <constant_list> then* Y% U3 e- v u s. P9 d/ |6 n
<statement sequence1>;
# O. H l: _* w7 q! h$ s when <constant_list> then# |# u' U8 u; V& X8 f7 C
<statement sequence2>;
- G, G& _0 x4 P3 u7 \- ]/ [' V% F ...
p- e" o- d2 K# n; U% o, Q' k# w0 j else
* Q, U% \5 i; |3 A& y& K <statement sequence3>;
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- s% O! G) B' O1 e4 v$ z2循环语句/ W# a) v- M& X5 W j- d Z
(1) from <statement sequence1># J) h' F9 i% d" S& N
until <condition> loop
/ v' X/ B+ E: e! ^: `" I <statement sequence2>;
: \3 l+ I* v- Z& i" G+ r6 V9 r end;6 R; O( S3 j j' i6 Y6 Y
(2) while <condition> loop" c- A3 n. a' P! f$ N. w0 \
<statement sequence1>;
+ ^+ s% t5 m- l# o' x) ? end;
) D* X @, _( X (3) repeat
. W1 q+ x+ j$ d( N5 V8 @" u- Z <statement sequence1>;9 ^, H3 Y V! t# A- _' V
until <condition>;
2 o: n. M5 T8 C) ] (4) for <condition> to <condition> loop+ U) u) |6 e! R, k/ ^' Y
<statement sequence1>;
0 m' x. q4 N/ H' k m next;
# c9 F3 i% y& s! f. Q7 D, L# K& ^3中断语句3 u: G+ _/ ?; G' Y
waituntil <condition> prio <integer expression>;1 r, ~0 i0 e% ~9 m4 G0 W
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# ]9 M: n: p; ~0 \- Q9 a以上为常用的函数！
/ Q) K8 O) l( S; e; f7 j1 w还有很多，如有需要我把资料发到你邮箱里
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