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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
& k+ ?/ p U+ B6 B1 b# d% E+ R* [ if <condition> then
, U: ]# N1 j9 V' l- p1 n2 w4 h" H <statement sequence1>;
C2 I" I Q5 d0 D& w' ~ elseif <condition> then
! |6 [& O1 J& C2 _5 p/ v" t <statement sequence2>;- c; H& \5 A6 d/ S3 o7 Q
else
8 f# K4 j r7 e7 R$ }3 R <statement sequence3>;- t, \, t6 Z0 R5 \$ x& F
end;) Q/ A5 W% w! b/ P
如果分支比较多,用:+ E6 j5 j1 }5 t% K* \
inspect <expression>% }3 `0 P! }5 {) k- ?/ i
when <constant_list> then q1 ?: t7 Q8 t; a# N! e
<statement sequence1>;+ i7 k* U2 f) ^( J$ t, m9 B5 g/ @
when <constant_list> then
1 N' \+ D- T! `' F! I <statement sequence2>;( n& g; c- d7 L9 w
...
; N+ P& {& @' R+ v( y8 d else
! O- m' u. _3 Q) S7 U& | <statement sequence3>;. M* M, I- Z Q' K* O2 D4 [
end;
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1 T2 _, u( Y7 t% y. J2循环语句
6 |! u/ n' D$ T9 @. O$ g (1) from <statement sequence1> @' M8 K8 u8 n4 [
until <condition> loop
1 ?4 w I" ?' p7 k- K3 K1 l) F <statement sequence2>;: w0 ]5 \$ G& f7 x+ m1 Q" r
end;( O: P& B& B7 c8 _
(2) while <condition> loop
2 @& p+ p7 ~" C <statement sequence1>;
6 y, ~: G' {1 z$ H. f end;- P2 T$ u3 H' W
(3) repeat
) d+ J$ ]+ ^7 N/ L <statement sequence1>;5 v' R+ L* t; C( c9 X) z# z
until <condition>;+ z+ D- E$ j3 t# a
(4) for <condition> to <condition> loop
- A$ N' i4 H. P <statement sequence1>;
3 V! Q% U" N t next;0 ?# \: G9 |$ x& F2 Q
3中断语句
% g2 I) Y9 [$ j0 \$ i0 V) z5 W waituntil <condition> prio <integer expression>;' c5 ?- O$ ^0 N$ h' b$ v
4 s- z- |' K% A2 \7 c
) K" B; g( R( S以上为常用的函数!( p" v' z" L$ s# Q9 B
还有很多,如有需要我把资料发到你邮箱里
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