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发表于 2012-11-13 08:48:12
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1判断语句" W: F+ I: ?. i( o( z( L
if <condition> then1 T# f8 d$ K; n/ [. G6 ]5 f
<statement sequence1>;
- Z! O9 q( ^: ^; _ elseif <condition> then
/ C1 i+ v8 v$ o" r <statement sequence2>;
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<statement sequence3>;: [ G# f: h, S: z! ?4 J
end;$ M: s5 f1 u6 _
如果分支比较多，用：
9 e% z% I8 s) U# X# @ inspect <expression>- V- A/ O6 i/ \4 [' F
when <constant_list> then
6 \1 p J: \4 H. w: ] <statement sequence1>;& d, B/ O: {- |- E, C9 i
when <constant_list> then. ?4 @4 @: z8 G, ^* ~# D5 K
<statement sequence2>;
1 j0 Q4 i5 h9 y/ t; `8 d- h ...
+ U' q" B1 A" `. J- Y else
9 G: ?( J7 B1 W <statement sequence3>;3 }3 h) y# k, f( w$ _% z `; W. ^
end;% m$ ^# ?! g$ X0 `; c9 M H
7 t: p& I7 h) k/ C* z2循环语句; }6 H) E( M+ \! m( \/ x
(1) from <statement sequence1>
: i) U) \) h2 V, E/ {! S until <condition> loop6 q; u. ]6 Z1 H( P2 V
<statement sequence2>;* ]* H, C! m4 L$ I. ]) D
end;) _ l- Y) [+ t! T7 {6 W
(2) while <condition> loop( |$ U2 `+ P. t1 L3 ^
<statement sequence1>;
# h+ }: m, U' ]* u2 E( Z end;
/ Y6 K- Q8 t w! s: R (3) repeat
' s0 M2 q8 N0 j6 _" N6 D, j. V <statement sequence1>;
: W+ O4 w9 d# ^3 [* o until <condition>;
) M4 P- [( U: g1 M% S; L- q" V (4) for <condition> to <condition> loop
5 F- \2 W6 D @9 d <statement sequence1>;
+ O, y+ n- s$ l next;* X, v" J2 k! q8 H* A/ }7 `# S
3中断语句
/ g& x# V) ?9 P7 z/ m- f6 i waituntil <condition> prio <integer expression>;
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5 E+ Z9 Q& ~ i/ @2 ]/ s以上为常用的函数！; w+ |# s/ G5 E) F1 b5 x' g- `9 w2 z$ M
还有很多，如有需要我把资料发到你邮箱里 0 G# W3 `" w0 `5 h$ Y' r
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