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发表于 2012-11-13 08:48:12
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1判断语句
8 u8 J0 k2 J8 v, n5 Z9 Y+ F if <condition> then/ {% j- Q) ?: V7 k- F+ o0 L
<statement sequence1>;2 n3 b3 I" x& l3 h8 {8 Q% l- r
elseif <condition> then) Z- J& d I% ?8 s! H2 n" F
<statement sequence2>;" @1 a$ q6 x* T3 d) y
else ; q& i) ^: l# _, d4 w
<statement sequence3>;
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如果分支比较多，用：- G. ?5 ^9 y" o" S% W2 c
inspect <expression>% U$ i7 Y. O0 j! S) d2 S" m
when <constant_list> then
, E! d2 b$ q7 W; ?* p <statement sequence1>;
\& [$ A" J9 T8 P2 } when <constant_list> then; k7 C: ~7 d; ?
<statement sequence2>;0 W/ f+ C0 _2 ^, K
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else
/ l; [. J* @: Q3 L5 r7 y5 w <statement sequence3>;
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5 U! V, c! I A2 o) P# b2循环语句# @7 y1 Z$ x$ i: T% T; _0 K
(1) from <statement sequence1>
% O+ ]0 b# g9 n until <condition> loop
9 j1 V. a; Q+ n: ^& @" p x4 ~ <statement sequence2>;
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(2) while <condition> loop. ~* E5 y0 k4 {2 v+ |7 A" m
<statement sequence1>;
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(3) repeat
9 D) s) ?3 \ m <statement sequence1>;1 f! Z# j* m4 V% o& X, W M
until <condition>;9 {, ?# d$ r& ~ w! b& e0 h
(4) for <condition> to <condition> loop B% h: ^4 g8 n( W8 Y8 f
<statement sequence1>;' A) g k. M" n4 G: L2 u$ U: d
next;
# R: T1 _& D+ q& F& w3中断语句
+ F f' X) V- D. z% D waituntil <condition> prio <integer expression>;3 Z3 d- k' L4 M, o z8 r! A( F7 C
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以上为常用的函数！
$ X+ i8 i& h/ E2 W( x# o1 s* _" |还有很多，如有需要我把资料发到你邮箱里 & l7 c1 W% o5 a, }
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