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发表于 2012-11-13 08:48:12
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1判断语句4 _* d% `- Z. `4 F/ a3 y9 v2 |
if <condition> then6 m3 u: G& h6 K Y, |
<statement sequence1>;8 `# D4 c7 K; n! b
elseif <condition> then U) |( r4 c7 J, F, V" i
<statement sequence2>;7 A7 C' x! }& P) d1 A2 y
else : G ~9 d- l1 e0 G% Z6 F
<statement sequence3>;; F0 e: D5 ^( b. ^, M9 T% G
end;& x2 |; W3 n8 ?% O9 Q
如果分支比较多，用：
) I: m. w3 M% w* ^8 Z) b" @8 K: H inspect <expression>
% A3 F4 w9 I9 |& v4 ? when <constant_list> then( J) w! n6 O6 |
<statement sequence1>;
, ~8 r f, w$ |2 q- n when <constant_list> then
& d+ r" V; m9 G) A5 L <statement sequence2>;
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else
; T+ |. A; t% x4 M. b+ } <statement sequence3>;5 n: r% o# ~: \9 K/ H2 M
end;
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(1) from <statement sequence1>
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8 B0 |5 T1 y" W) c8 U( J <statement sequence2>;) f: y/ ~; \9 H, M4 \5 _3 T
end;% ^, }$ N. {. _* o" X
(2) while <condition> loop- ~$ r9 A& e; U7 o" X' ?) T
<statement sequence1>;
: h. L- V! x# w a& l7 |4 @ end;2 d0 S- K$ U" X3 D! ~
(3) repeat
) k9 m0 `7 _9 m( e5 I <statement sequence1>;
3 Q: Q6 v; | _, m$ @ until <condition>;2 b8 F6 M* {, ?/ D. {
(4) for <condition> to <condition> loop" Q( |: g' W) J8 M
<statement sequence1>;
. Z0 E# j4 `$ D next;
0 S7 D5 V' a( Z, P3中断语句! s& |# F8 t) P! I
waituntil <condition> prio <integer expression>;8 o" a9 B! `# i6 S: D9 W
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8 O: R2 y. }, W. O; I以上为常用的函数！0 e$ ?0 i2 y7 Z
还有很多，如有需要我把资料发到你邮箱里
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