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发表于 2012-11-13 08:48:12
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1判断语句
5 [" R; S4 t$ G3 o5 a9 ^9 P if <condition> then2 Z) ?. p5 v4 I7 l7 ?
<statement sequence1>;/ `! H8 L0 F( e$ I4 v% w
elseif <condition> then2 W# V3 }, X m+ w! u \8 r0 n
<statement sequence2>;
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<statement sequence3>;) G0 y" e" t) p
end;
+ K' R$ x' o4 B# l如果分支比较多，用：/ o2 R8 A, R3 X, a" ?
inspect <expression>
4 {1 s$ s: p# ~* s, u when <constant_list> then
' ~; i0 F1 J) S <statement sequence1>;
- r5 o" c' \8 {4 Z! B when <constant_list> then- w; e9 ?3 a" V+ u# |9 x
<statement sequence2>;
3 t' V4 X/ X6 B7 w6 q" S. _ ...
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<statement sequence3>;
8 W' P+ r( e6 V2 {, bend;
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(1) from <statement sequence1>7 O) {; u/ P# _8 w
until <condition> loop$ n( r% N1 x; H [5 m" Q+ p
<statement sequence2>;$ m2 k' `4 L1 \* s+ ]$ G" q7 A
end;
$ s: S: K9 q5 a4 b |5 H (2) while <condition> loop
2 x) G* o F; y" U$ b$ b7 w6 g <statement sequence1>;
: S( @$ y) }' L& ` end;
) F% s) J2 U6 d1 W- }. J (3) repeat
1 F, K- d- P( O; b <statement sequence1>;
/ V X- g B) o* M/ e until <condition>;/ o- Z/ u. y1 v; e( q
(4) for <condition> to <condition> loop6 [5 F; H4 j: W) g
<statement sequence1>;
) J7 _1 X6 L, ?0 L next;
; x# J7 Q5 z4 P f/ O R# }, M3中断语句
8 w* D& N: ~2 m, { waituntil <condition> prio <integer expression>;
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: W- s. B8 l/ d8 E: L9 `以上为常用的函数！
* A! ]$ P+ f( c& { i) h- F还有很多，如有需要我把资料发到你邮箱里
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