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发表于 2012-11-13 08:48:12
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1判断语句) W, `- n# \* A2 [
if <condition> then3 M' `; K/ D" N8 V: l
<statement sequence1>;
2 J- n$ Y6 f R4 e elseif <condition> then
, ^& \3 Q" b: S( W# @ <statement sequence2>;
0 W9 K" M0 e( M$ F else
+ s5 \% l, t0 s' V& V- O <statement sequence3>;
9 D3 m5 p1 j( Q w' \9 P end;
H& w9 [9 J' ^$ z如果分支比较多，用：0 W& F# ^6 g4 o
inspect <expression>" l5 |+ @( [, i: v, U, h# ^
when <constant_list> then! P* P |" B1 M- i
<statement sequence1>;& _- Z/ |( a& Z! ^2 g
when <constant_list> then
& O: _1 [- W* m* d9 f) L <statement sequence2>;
; J; h6 r9 i; ^' Z' J ...
$ Q+ m$ v4 `2 K9 p else+ V* M% ^7 S; }! d* U
<statement sequence3>;
% _$ {! v% D$ X% H* u& gend;
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3 p" d n {' B5 U2循环语句$ j& H' W) e9 L$ U& c! _
(1) from <statement sequence1>1 e. z$ P3 q6 x
until <condition> loop
1 T; Y' W" M+ V: r# s# M <statement sequence2>;( p+ Q2 A* e* j
end;6 f; V2 ~: M0 |
(2) while <condition> loop( W4 a5 B3 G+ F; ]* p
<statement sequence1>; a* j' l+ J5 f
end;
9 q: }4 Z0 r7 U7 H! ~+ r& K4 ~. x (3) repeat . F% `# f: a- H. ]5 U% K% i2 K4 e! D2 h
<statement sequence1>;
9 O9 L' d5 B. e: r* r& b& v" i until <condition>;
$ r8 A9 W: O$ `! u (4) for <condition> to <condition> loop8 c @; K' X) z. e
<statement sequence1>;
4 e- a! C% ~! v8 y next;
& S2 T7 s7 V5 X( u3中断语句
; j7 g, W" ]' |1 V' M% s* J waituntil <condition> prio <integer expression>;
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以上为常用的函数！) e4 h, B6 f) K" C; M0 X- L
还有很多，如有需要我把资料发到你邮箱里
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