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发表于 2012-11-13 08:48:12
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1判断语句
8 ^# o0 K1 x+ x8 b7 j" s7 A4 u4 [ if <condition> then
0 [3 F' C3 R. ~1 Y4 Z! r% y: \ <statement sequence1>;
) l O5 d8 z0 y. m elseif <condition> then) z* @2 F6 d6 x1 s4 @% |7 {- ?+ |. B
<statement sequence2>;
# W! o4 G( M/ D6 P else
d) F9 _8 ?2 ]7 D- }! |# ] <statement sequence3>;+ V P6 U. H6 `( W' s" L# g
end;
4 D# D" E& f: t! V$ e如果分支比较多，用：% g! X; a! ~( h6 g
inspect <expression>
1 U* |9 L; j) M- l when <constant_list> then
! g" A+ f1 J8 v, S$ k# t <statement sequence1>;
' o* ]+ V% t* u when <constant_list> then
& K @' f6 j' B3 F <statement sequence2>;
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else
* ?8 u5 V, x R& U, f <statement sequence3>;
+ V4 @; Z3 T6 z3 [" zend;
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4 J- t) k2 b2 F7 h! d# C8 C; O2循环语句9 v! X5 N* d; M! R& B, v& O
(1) from <statement sequence1>
8 L& c# c6 O6 t+ _* m until <condition> loop
9 ?/ z5 t% ~% d1 Q. f7 E/ W <statement sequence2>;
. Z9 h5 `. ^# h2 D end;
. `( ?6 q$ I0 D" w% d: r (2) while <condition> loop
$ L8 r1 T* _- n: y0 _7 P <statement sequence1>;, C, |$ {( F, B) q) f2 h
end;
4 I1 \. F* Y0 b J' w7 S (3) repeat % w9 G1 u U7 V3 e4 v7 y v
<statement sequence1>;/ z2 N% O7 _# x1 N0 ^
until <condition>;; W7 }( C# _0 G( c$ d% I
(4) for <condition> to <condition> loop8 @/ h8 V' Q+ C. M4 H: g- p* z
<statement sequence1>;
# h4 l3 J! g) B! I5 w) r next;
/ ^' E9 a" ^: D( }3中断语句3 Y: h _/ k, X. E2 F5 H+ A
waituntil <condition> prio <integer expression>;1 S) ^. ^7 b) e& b
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以上为常用的函数！8 d. W2 f& R v
还有很多，如有需要我把资料发到你邮箱里 ; p) O8 y, T; k, E
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