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发表于 2012-11-13 08:48:12
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1判断语句
0 c; `# c8 v- u7 x/ ]* Q if <condition> then
; M O& z" ]7 K! A" a) Q <statement sequence1>;
6 z1 o9 d8 `1 b2 a0 X7 }! q elseif <condition> then6 I) q7 \# t1 l* R
<statement sequence2>;8 p) p+ _. J7 ?( y: b0 W9 C! _
else
$ \: j: L% J/ W) | <statement sequence3>;
6 k9 A* g4 g0 d, z2 c* p2 w0 ^ end;
9 r! l. x$ ]4 W6 g4 X如果分支比较多，用：
8 z) C. M% a% T& S inspect <expression>
8 f3 G& z2 d$ a$ t# e3 c when <constant_list> then* \4 d7 s/ v. B. p5 i# }
<statement sequence1>;
9 c: g1 K& S0 g6 U1 i4 U6 N7 \: ]$ ~ when <constant_list> then
* o* n( @" a. e* U <statement sequence2>;
/ K/ R8 d1 D! I ...
& l7 ]1 r! q% Q) U else1 r+ ^5 }8 t* E/ Z3 a
<statement sequence3>;
) n; k: f- W/ a! l3 a3 Send;
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2循环语句
+ ^ Q- L7 w" S8 [ (1) from <statement sequence1>( O; \/ V* o) O2 K" C/ H
until <condition> loop) ~$ T Y* z. k" B& t/ H( x
<statement sequence2>;
9 o3 l' k) t/ _- c0 { end;
t" D9 C3 ~" ~' i3 N (2) while <condition> loop# A# i/ B( U- t/ n: G
<statement sequence1>;
8 c8 ?8 ]( T4 S6 p0 P end;
0 _; @* h* Q5 D, A5 @2 q- U- V (3) repeat
* y+ f9 X* [# M* T7 G" Q <statement sequence1>;
( F) P" B' Q; V7 x( _5 L: z until <condition>;1 g4 ]' F' _0 L5 q" I- U& F
(4) for <condition> to <condition> loop
4 V/ L6 K0 z9 `8 U7 m <statement sequence1>;
# C6 t2 L4 @" K6 O+ R L2 N; l next;
4 F0 F G8 D, Z8 V, j7 I3中断语句1 N+ X' x) J1 K. d1 h
waituntil <condition> prio <integer expression>;' H( L2 ^- R/ d$ T$ i8 w: g
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以上为常用的函数！
+ c1 b" s5 V( k2 s- t7 w9 V6 \6 i1 y还有很多，如有需要我把资料发到你邮箱里 - p: Z& U) W: T1 L5 D6 O
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