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发表于 2012-11-13 08:48:12
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1判断语句/ b4 u# K: Z! l2 R) P
if <condition> then
' B3 V' L! u/ r$ T8 u9 n <statement sequence1>;9 w8 E5 A0 t* b7 h" q! ]2 t" z
elseif <condition> then+ t: n0 w- }' V V$ B9 o# Y: b
<statement sequence2>;
6 n; ]* L2 W: I else
2 Y" I C9 [. Y1 X" E6 f <statement sequence3>;
4 J* J* C6 Z& o& @, e end;
8 @+ Q9 Q, r* K: _如果分支比较多，用：
+ r/ z. l0 y6 Y' N6 k) @8 _ inspect <expression>
/ g9 e7 b" \0 ]) D when <constant_list> then
/ {: L& ?+ d1 M <statement sequence1>;( e4 a0 A5 ~$ h! f5 _
when <constant_list> then9 x2 z$ l) P4 x; k
<statement sequence2>;
- H1 T' ^8 T d ...
& _: H% X2 Z1 d ]+ a else
* @3 ^: W } v7 S& e <statement sequence3>;# j' M* E& B% l* X' g$ }
end;
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( ^2 P1 G& S7 Y# y5 J2循环语句
7 g3 E% p8 f% ] (1) from <statement sequence1>7 L' n4 [- v$ K0 K* N
until <condition> loop/ {8 B) L6 V0 r0 P$ l
<statement sequence2>;
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(2) while <condition> loop
! Z }! ~* F- X( w+ S A <statement sequence1>;) R* h0 N- J7 [& g; t) t( F. \/ b
end;7 ?4 l. `+ y$ O! e& J I
(3) repeat
5 @ p/ z/ P5 V <statement sequence1>;& R+ ?( d T- B7 Q9 H
until <condition>;
4 Q8 H1 q( N. `$ _8 `1 J! b (4) for <condition> to <condition> loop
2 |6 r+ y" `" [0 j4 m* L/ Y <statement sequence1>;, x- ~; M" F! E4 z
next;
, Q- _( T) H: b- S0 S Y4 G3中断语句
- X# L7 F( c e( I$ [ waituntil <condition> prio <integer expression>;6 v) ?$ M- v+ \+ L
' d, O& ~- u2 k$ r
( f: g: u9 n: H- Z以上为常用的函数！
0 }+ L( {+ j ?& ~$ R; j还有很多，如有需要我把资料发到你邮箱里
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