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发表于 2012-11-13 08:48:12
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1判断语句
+ [- U, t" f6 D8 B3 I( `- Y9 P if <condition> then
' F: R/ z0 s; D, f d( s <statement sequence1>;
3 \7 X9 ?4 K+ ]3 J% `1 H elseif <condition> then
6 {* N H3 S$ ]+ l2 I0 o% p$ @5 L <statement sequence2>;' O+ z3 B8 v5 U/ N1 Y$ A
else
9 X) v, d8 k7 {, i4 h& d <statement sequence3>;
" ^- Q/ R' _- R3 e$ f- L& _ end;
5 T4 Z9 v6 u5 _4 H& j如果分支比较多，用：2 y/ G& K8 M% i3 ?6 W
inspect <expression>7 i5 k h9 E$ U w
when <constant_list> then* X; v7 c* T. z( s) r
<statement sequence1>;
+ R" y' ~9 D5 S2 w: l when <constant_list> then% H, [0 P; K; i3 E
<statement sequence2>;
) x" C* f8 J8 N/ R) y" B. T ...
( G) \; M7 \# V! @$ v else1 h! v) s+ J( N# m
<statement sequence3>;
! m5 ]. S5 \9 d; @( l! i8 wend;" q9 Y* A8 R/ Q, v( ^' J
9 r% G, r/ `5 P- c2 ~+ z2循环语句
1 T' }% {! ?; D7 p! J- Z; b (1) from <statement sequence1>
! S6 S5 t9 Q6 Z9 r3 n2 i% [; ~' v until <condition> loop
. M( Z& |$ Z8 k' z8 C; e" D <statement sequence2>;
( V: M$ X( L& g# Y end;! F2 o! l' t0 {
(2) while <condition> loop
, S, n, X. `0 T4 O <statement sequence1>;, x. D( O0 H {1 W% U
end;2 h4 `2 m2 V P c9 [+ |( j& V
(3) repeat ; i8 ]& r2 i0 B9 X- ^* n5 j+ g
<statement sequence1>;
4 n* `2 K! g7 O G/ h8 j until <condition>;
! h0 N9 s: w. N7 N+ d4 v: L+ o (4) for <condition> to <condition> loop4 I$ U: y- `4 @$ K
<statement sequence1>;
; W+ j6 x/ g( e* c, u next;3 W1 m0 g/ A# P' X
3中断语句/ n7 V' t9 F( W# w x7 R
waituntil <condition> prio <integer expression>;4 H: d+ z o( B G! Z: }, f
' x; l) ]% Q( d. r$ y
) G9 _3 B5 d& e/ n7 c b) f以上为常用的函数！
% a! l. d, [7 R7 n2 p5 |( I0 ?还有很多，如有需要我把资料发到你邮箱里
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