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发表于 2012-11-13 08:48:12
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1判断语句/ o. m4 X" u1 O
if <condition> then i! ?, U& z- ]: y2 J
<statement sequence1>;, \! _* }* V, z& G8 R7 Q
elseif <condition> then
' P9 i- D( ?( p* a3 k% {6 _# K Y6 p <statement sequence2>;
$ p, z- t' k" q else
/ h5 B% S; @; p$ K <statement sequence3>;
# {# l& G* \1 u1 I end;
& |# }, d& T% i& k如果分支比较多，用：' k+ j$ G$ g0 E- \) K( @ F$ e
inspect <expression>
* w8 J% a; F! w( n when <constant_list> then
) H: b( R: h I* j- F6 L% h4 } <statement sequence1>;/ Q+ l# a; J4 N' Z3 P6 {5 L- U4 q
when <constant_list> then
+ B1 r& Y* N/ f$ |0 V. U <statement sequence2>;
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else# c7 H& _" b% d' J& R! r
<statement sequence3>;
1 F N8 s ^$ g" B2 xend;: r7 y( ]0 H! W- R" g: [
2 r. e# z% i4 ]5 }. D4 g; v5 T) n2循环语句) J( T2 Q+ _6 {: f2 v5 H' U
(1) from <statement sequence1>
6 O6 d' B' ^# y' Q/ c/ m until <condition> loop. m2 j, G$ [$ d) }3 v- U
<statement sequence2>;: }# N* f; ?$ g$ X- n
end;
; O( \8 y& e( g; ?" L1 [ (2) while <condition> loop2 W) ` O8 |& _: H8 A. {
<statement sequence1>;( u0 D1 u; ~3 I: M8 `0 L9 P3 B
end;
# ?; l) J* x: N; W" j (3) repeat ) C7 _' q) D/ X% |3 n+ J+ K
<statement sequence1>;0 n; J8 E5 s C6 t* t
until <condition>;3 r ^3 y3 u8 a+ G/ A
(4) for <condition> to <condition> loop6 w4 M3 H$ K9 v: n
<statement sequence1>;, V, j5 i. n- I* P0 Y
next;
. ^& N: S7 E( `7 a b: i' X5 M! L3中断语句
& a; U( |0 g7 u1 f- f3 N waituntil <condition> prio <integer expression>;: w1 C( r5 k6 V. T: Y
9 _, C" t. l* A
5 U( ?' I% o6 q& s* d以上为常用的函数！
9 V. @& J( |; m1 H: A. F还有很多，如有需要我把资料发到你邮箱里
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