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发表于 2012-11-13 08:48:12
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1判断语句0 K7 L. A! _( e1 Z' E" g1 [0 P
if <condition> then
& Q/ a/ N* W+ ^" Y% J/ U! O <statement sequence1>;( |( I# p$ I4 p* i* G( V( M
elseif <condition> then% l! y1 z4 O2 f& Q; c N
<statement sequence2>;
0 n" x1 l# v- p, I6 b: ~ else
7 N/ e# g! M: Z5 L5 v7 ?9 U <statement sequence3>;
4 s4 W# Y" e: @) i; f% ~ end;
- n' @% a7 e5 n如果分支比较多，用：9 |+ z4 Y! ^ j3 C* J6 _0 Z
inspect <expression>4 u4 C+ a( ^8 Z6 u- m& w
when <constant_list> then0 |; r { o+ p. D7 z) g/ _
<statement sequence1>;; Y' h; `$ w$ N9 I' Y N/ s1 W5 j
when <constant_list> then% |7 h& N* t4 Y W4 C, x
<statement sequence2>;
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& N+ u: h, @" p2 p7 C else
: n1 q. @# {- J9 ?3 i E# K% n <statement sequence3>;
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2循环语句
& @) \! m9 F" N) z (1) from <statement sequence1>
8 o2 X2 R# N, I- j% ]2 ^9 ] until <condition> loop% J: x- A# w3 f5 R
<statement sequence2>;7 m4 C% \* _" J2 g- ^& j* x
end;
( b9 }0 N# o/ S7 {" u B2 _ (2) while <condition> loop
; {0 O+ r: ^$ [ <statement sequence1>;. i- `1 v' F' z: Z: L. r
end;; b' O# f# b3 R- M/ a
(3) repeat
( C R1 S! o& d <statement sequence1>;) q" J& y5 j# J* Q: T
until <condition>;# z0 u# n8 Q! T
(4) for <condition> to <condition> loop
7 q' i8 `' L: g8 ]( @& U <statement sequence1>;: T9 W" a1 m7 E8 w6 W
next;
6 P1 V7 g' K" z3 g7 ^/ k- P3中断语句
9 H( w; u% Y! }/ k# g @# ~' C: `% S waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 @/ h7 q* T, o! z" }$ C' y
还有很多，如有需要我把资料发到你邮箱里 3 q: v& y1 e2 i1 H* l; ~3 ?
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