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发表于 2012-11-13 08:48:12
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1判断语句
7 t5 u& B' s6 f: Q, v/ A. u if <condition> then
2 x9 b+ M9 S; _7 }, n <statement sequence1>;
+ P7 C+ z9 ]7 p elseif <condition> then
6 n0 f: Z7 j9 e6 @! L3 f2 B <statement sequence2>;% w$ X' z2 V2 {" d2 j7 v
else 0 s) k$ Z, P" l! @" [
<statement sequence3>;
1 z" I8 v) K! e. G9 ^( K# W& W6 b end;
6 `# H; p3 [7 P: ^4 U- q如果分支比较多，用：
# P# l2 N8 V" o, x( I3 a) j6 J3 O" j inspect <expression>
& J) ]$ o* X. Z$ ^0 z when <constant_list> then& b7 M. d7 ?2 r. I
<statement sequence1>;5 D0 C" o% O, q& ^* U: v. a y) R
when <constant_list> then+ z+ i) E/ x( S! ^7 J4 _
<statement sequence2>;2 I8 E# F J" k, V
...1 M" P4 f. g! q/ i
else
! [9 m3 i+ i0 g/ j0 \; h <statement sequence3>;* v" V6 K+ @! b0 J/ k2 o( `0 j) n
end;8 f( j! \0 u* ~* O/ t0 }
0 D5 E, F: `4 X2循环语句6 K8 ?5 X K6 s' k
(1) from <statement sequence1>1 J: ^1 o* k2 Q: C$ U
until <condition> loop: T- I) u- M5 U8 ?( [9 x
<statement sequence2>;, `1 I7 j1 i. x4 S3 a5 G& S
end;
) `! H( u0 K4 _- D- [ (2) while <condition> loop
$ e7 u, I) h) O3 g" B+ u, X <statement sequence1>;+ o% p7 p( o+ |8 V
end;0 n/ q/ j+ |% L6 ~/ `1 l9 i/ k. A
(3) repeat 9 W2 G) d: `5 ~: U' {' i
<statement sequence1>;; R, L; N8 K4 v v& U
until <condition>;
" A6 d0 w; ?) z& p X Q1 \ Y (4) for <condition> to <condition> loop
~1 B# g y o g$ C, c9 X <statement sequence1>;# y. g( p3 D2 t2 _6 n; X
next;
/ K7 j2 N9 k2 f/ M& o! B3中断语句! E! g0 m! Y- z; y' U0 ?, B( s+ I
waituntil <condition> prio <integer expression>;
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7 n; {0 x. D2 I以上为常用的函数！) J; \4 t* ~% E- v+ W# M
还有很多，如有需要我把资料发到你邮箱里
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