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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
7 O- M3 X$ n5 S; F if <condition> then. V$ I, M$ `: Y. K
<statement sequence1>;
4 e* d" i/ U% ^! G) l3 v( b } elseif <condition> then( f& L( y( Q g# z& \! V
<statement sequence2>;
. a2 D" j. s t# u else
; K2 h) Y' C$ S+ I <statement sequence3>;
( T2 i5 a! ?7 x6 A% U. u& [7 z* c end;
6 F9 E$ p: j8 L. B5 O如果分支比较多，用：' G% K, j h% B- s( X
inspect <expression>1 A2 S0 c6 Y; }# c9 x& s
when <constant_list> then
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when <constant_list> then, T3 S: V- E3 ~6 U; N) i
<statement sequence2>;# g; T5 w* n M6 }
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else
; f9 Y) `% ^9 x- b( k: p2 ^ <statement sequence3>;1 |. t0 `3 X) n( ]. P) ?
end;/ ?. Y `8 X1 {& s
0 U) | n1 T7 H ^7 @2循环语句
7 ~2 ?1 h# |; ^7 n' W! a (1) from <statement sequence1>
* e8 @3 K0 f* R1 j5 B until <condition> loop
; r; R( o4 g, t <statement sequence2>;
) s( }; i |% B7 F8 ?- _ end;& k5 C/ @9 c2 B" m! z9 t5 V* r' e, ?
(2) while <condition> loop* W0 r$ g9 m a) j8 P. f! @% M+ ^
<statement sequence1>;
6 {" b! L/ ^) Y' \8 D: W end;. U5 n1 B7 d, f1 E& ]
(3) repeat
* M, v# i8 I9 l6 x <statement sequence1>;
; X/ B# |+ x/ j. n$ y1 D until <condition>;
' R2 ]! a3 Z/ d (4) for <condition> to <condition> loop
2 d) [1 P9 @6 n9 O <statement sequence1>;+ i0 P& N6 _; d; }& [
next;" [3 N9 m6 \4 e
3中断语句4 v) [4 g. q/ A: b! p
waituntil <condition> prio <integer expression>;1 f: y' R7 @7 {
, v; k6 i* x: a: U9 {
/ a! j+ n. L! ?1 z% }5 O以上为常用的函数！) `2 c8 l0 l, t2 R8 \. l" R& s
还有很多，如有需要我把资料发到你邮箱里
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