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发表于 2012-11-13 08:48:12
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1判断语句
2 b. x: I" W& g' O: G$ M, y0 @ if <condition> then
% }5 {- l; `, o; B& `, V( i <statement sequence1>;
# p' J+ e+ v6 {3 ?/ i, G, i( z elseif <condition> then
3 o6 Q ]7 I: _# k) s+ }2 T( w% P <statement sequence2>;
' `9 ?4 f; w3 G0 w4 f8 ?& w else
( n @- e1 \- p" {9 c: V m6 p <statement sequence3>;
8 e' ]4 Y8 \% ?) L% [9 g7 h3 R! d' Z end;
0 P0 }; d4 k2 k4 d如果分支比较多,用:+ Z" _) T4 H, h5 w! b6 n
inspect <expression>
0 m* y3 y* ]+ H0 ^. K' J# Z. w when <constant_list> then
6 P \" {( C" k1 t <statement sequence1>;, _7 x) |- W6 k6 e8 B5 b% M
when <constant_list> then) x ?5 O1 _1 R8 M
<statement sequence2>;
: n }9 C& ?( A- _/ w ...
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<statement sequence3>;
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(1) from <statement sequence1>
4 @4 t; `( {3 R2 c t& F until <condition> loop7 ?* y) a" @/ g" q! Y3 H2 o
<statement sequence2>;
: k2 {5 x5 { c- m3 I: B end;- @( b9 j: C: N% b4 Y& E3 Y
(2) while <condition> loop
3 ~2 j! [+ b/ r <statement sequence1>;" U ~5 ~$ j6 A& {. _1 I
end;+ q) @( N8 h: i) Y/ ^7 p. v/ D, r
(3) repeat
/ t0 K% ^$ U3 k# k <statement sequence1>;
0 q; R/ Q Z/ |8 s2 ?" S; } until <condition>;/ B( l' r" Y2 q: y6 I' x
(4) for <condition> to <condition> loop
$ w- p3 @2 S" t8 H0 o# Z <statement sequence1>;
: ]' S8 d7 c& ]( o next;" S2 m: a$ M: q- ^ n( j f
3中断语句7 x! A/ c6 n8 m |8 g! @( s% |/ i
waituntil <condition> prio <integer expression>;9 u2 J' b3 H5 t# j3 n
" R* G5 Y9 _& B, D; ?
4 ]- U0 W5 B- ~ p% h) v- W v以上为常用的函数!3 H5 D0 P2 L! t1 {
还有很多,如有需要我把资料发到你邮箱里
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