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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
3 l R/ `" m! e0 |0 O0 T( o1 w5 ?/ f if <condition> then7 C3 G. s+ K; h( J
<statement sequence1>;
) v. d7 w# K* q8 M$ {# A% M elseif <condition> then6 o8 ?7 Y& i+ R( |6 A. H
<statement sequence2>;: ] w- N; Z% v* R& s( M% r9 L7 ~
else 6 v( R9 p" i% M
<statement sequence3>;( e* [ g' ~* {/ X0 B7 n
end;
8 ~) _& h) w- o- l j: `如果分支比较多,用:+ Z4 S' _( U q. t( ]4 V5 J: x2 R. G
inspect <expression>1 L. [3 ?6 a, G7 y) Q
when <constant_list> then5 y' F% ^0 U5 n2 Y( ]0 N: x
<statement sequence1>;
* t& a7 |7 @- h. q8 ~% U when <constant_list> then
4 Q8 `) G" W2 h8 B+ s" h <statement sequence2>;
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else" t5 n: l1 t9 Q* q1 L
<statement sequence3>;9 M. R4 @, e1 q8 e# B
end;8 a( j4 K2 Z" o4 ^
$ W1 |# A! m7 V5 V9 _/ ]5 o1 s# b$ [3 p2循环语句
: T# }5 B4 o% g+ y% U5 L9 ~2 J D (1) from <statement sequence1>
" M$ P# t& z7 I until <condition> loop/ e8 D' k( V r; x! G
<statement sequence2>;
. I( }+ |' e; q. v' ~ end;5 t4 i" |1 e' Q% q6 q8 }
(2) while <condition> loop9 w8 Y: g6 d1 i& Y
<statement sequence1>;: d2 K9 T+ T7 W2 H5 E- V1 C5 P
end;" S( P" ^0 y; w) f
(3) repeat 4 q' ]- K, B5 |& S; h
<statement sequence1>;% ^7 g- k) H) e) Y
until <condition>;
, K" q5 r3 Z9 @' Z, R (4) for <condition> to <condition> loop' O8 I5 U( c6 {: t" K; K7 q
<statement sequence1>;
: f+ @) c* T6 S1 L; k2 b& W+ U next;4 V$ z. G& [: P3 i6 K+ g
3中断语句
) q; o4 ^) U6 Y' ?3 p1 w: l waituntil <condition> prio <integer expression>;
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' ~4 g! N0 i& P) I0 `以上为常用的函数!! U! t0 H. i8 r! }# z" s
还有很多,如有需要我把资料发到你邮箱里
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