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发表于 2012-11-13 08:48:12
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1判断语句
$ ]1 _/ y( x$ ~ if <condition> then
/ k; T- w' u4 N& s <statement sequence1>;
4 J, [" S; M6 ^ elseif <condition> then
& |" V, u. s4 r <statement sequence2>;
8 g' L \" H% K% o# R: n else
9 o: K2 w) g) H9 e% d <statement sequence3>;
- s$ O5 G8 P! _3 k end;
. \* f- J. F1 J) \) n$ B8 N如果分支比较多，用：
! o! S1 B; |/ [; F: U; ?& l inspect <expression>; G0 ^/ e" _5 n3 V0 K# y
when <constant_list> then
) ?( k7 G! S& G <statement sequence1>;
/ l( A% _- s$ ~! R4 E& X$ F# A when <constant_list> then
4 T. [7 [' E1 L" k4 X+ e3 } <statement sequence2>;
n- a0 S W3 P+ s# j6 {% i ...
) U0 C4 l3 {3 y: E else
# |: v/ \5 ]$ Z: q <statement sequence3>;
' c8 G5 |( {% ]6 c, B( t- Vend;" V* g; \! {4 b3 \8 s" R' N9 {
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2循环语句
# R( c$ v# }+ o* j (1) from <statement sequence1>4 w# E0 f0 m1 P7 `, z) r, y, S. w2 l
until <condition> loop
. o% m. p, l0 B9 z% p" Z <statement sequence2>;
8 R5 ~2 A/ F& }( r$ B end;7 S/ M- @. u: i' |+ X/ w! A
(2) while <condition> loop
8 O" g u1 z" M8 y' T# ]7 c4 k* g <statement sequence1>;2 ]0 J7 [9 V6 }" H/ _+ a+ y2 T
end;
8 y$ V" [) Q$ c* x7 Q2 g (3) repeat " F; M0 L$ h( m# ]; p: q
<statement sequence1>;
* c" N7 W5 O; G8 ?- v until <condition>;
( B6 H9 c3 n" _! Q; o (4) for <condition> to <condition> loop
4 a- d4 [" C9 s, Y$ B3 k w <statement sequence1>;
; c( z. n% T$ z+ q' @$ K4 M next;
/ D _$ Y& v+ l) U/ x$ Z3 D* Q& N) t8 H3中断语句 E- G$ d; x3 o
waituntil <condition> prio <integer expression>;) k" p1 M* h. V/ d8 V& Y" p; A
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以上为常用的函数！! r) v9 S% r9 I' K, e' Z
还有很多，如有需要我把资料发到你邮箱里
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