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发表于 2012-11-13 08:48:12
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1判断语句
6 T: e: F1 z) q, i& L! | if <condition> then7 @! ?8 u* R( n% e! j& M
<statement sequence1>;
- R( X/ X; y v+ [' \3 b" g elseif <condition> then
9 v: t3 K& u$ i; ?- t) g# F( H <statement sequence2>;1 R5 W% d5 t, @0 n3 y4 y; S4 R( U
else 6 A$ ?/ x1 a5 ~( f" y/ @; Y; M
<statement sequence3>;3 Q$ `* q# X& w4 R* P8 p2 I
end;- l( P3 g; L9 M0 e; a
如果分支比较多，用：0 K9 b; I. `3 R; o
inspect <expression>- \! p) H. s7 @6 c
when <constant_list> then
# b8 z9 G9 {* ~0 P2 N' C F <statement sequence1>;) q/ h0 b, ]! K" y3 e: u
when <constant_list> then
3 v3 j7 v3 `$ G4 d3 e' E <statement sequence2>;+ x8 w3 @# b7 m+ K4 r
...; Y8 T8 @- j0 U5 R; h
else% j# X8 P! {) k! V; L+ H& X
<statement sequence3>;
" g# t# |- K; p; h7 wend;
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2循环语句
* z: A, q! T! ` (1) from <statement sequence1>
7 c* _6 Y5 O' s' L( q until <condition> loop0 p, O" S* @! B/ L( `1 J( ~7 c
<statement sequence2>;: r" J+ Y6 H& z N& z$ X
end;
) D1 N' J# N) A6 }6 M+ v5 v0 A (2) while <condition> loop
) L9 S, B/ r: } <statement sequence1>;8 o7 ]4 o! G# f7 H
end;
- }4 o! B3 a/ h) f0 l; Q (3) repeat
/ z+ e9 i% e! ~: u, P <statement sequence1>;
( s, S$ s0 ?) q7 Y7 q until <condition>;4 x7 P% h4 q* V; j
(4) for <condition> to <condition> loop
- ^9 j3 K' b/ f7 Q7 ~ <statement sequence1>;: C4 h* l" A& ~& V5 Q3 _
next;3 j1 z$ g$ b) Z0 E' |! b
3中断语句
, D- ?+ R& |( N6 q a% P$ o waituntil <condition> prio <integer expression>;9 w9 N, ~5 V. k# ~7 R9 `# A; X" c6 e2 x
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9 Y5 W7 g3 w$ b5 _1 [% k以上为常用的函数！3 a6 b) B- ]" Z
还有很多，如有需要我把资料发到你邮箱里
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