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发表于 2012-11-13 08:48:12
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1判断语句+ j# g/ j0 c/ @, _& Y7 f
if <condition> then
7 v6 {6 N, o" c2 A <statement sequence1>;+ L0 ~; p5 x0 H+ b0 l1 [6 n i* }
elseif <condition> then+ e/ X/ Z0 r+ L& s1 ~8 v2 a
<statement sequence2>;
8 Z# r* Z7 t) T# W: S% n: w else
- m& I) n. j* @( P$ l3 g <statement sequence3>;9 R, A1 ~% F7 F; T5 F! f( j! c; g
end;0 p3 I- {0 R( B& D9 K: ~. q8 M
如果分支比较多，用：
" J! ?3 b" H7 O# j* |* K h inspect <expression>; @' i6 j4 T! L% w9 m" O
when <constant_list> then& ^/ {+ i/ @/ i: ?, U
<statement sequence1>;, }7 A, g+ b9 U/ a* T+ t
when <constant_list> then8 N* y/ l% ~* Q# P
<statement sequence2>;
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else) P i. {% m' ~/ N* h
<statement sequence3>;, [" t! B0 E8 H) O) q: S
end;
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(1) from <statement sequence1>
) _/ g9 W# a" v2 Z6 L until <condition> loop
$ I* K0 `2 L; t. _7 K+ x <statement sequence2>;6 T {$ L5 X" Y
end;
7 F2 ^8 U" Y" A2 o" ~- L( L" k (2) while <condition> loop; S" Q7 R. I( M: m$ m o
<statement sequence1>;
% {4 ^) u1 l+ |% p. F3 o end;
% Q: _( b: I( _) n1 N8 y& b (3) repeat
0 ?7 T* O2 l. ~ h7 i# K <statement sequence1>;
3 w9 G8 ~- Q# i until <condition>;% T+ H) h# O/ q. W3 H, s' @
(4) for <condition> to <condition> loop
% v$ K( N5 o# `! A <statement sequence1>;7 r- Z+ ?: q* ]/ E+ C
next;
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waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ V: L+ {5 U! a' s; a" Y% G( n
还有很多，如有需要我把资料发到你邮箱里
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