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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
! _, Q. z7 p* O' Z& r if <condition> then
. h& X5 [! m( S <statement sequence1>;
" Q% S S: B2 M& L2 E5 B elseif <condition> then' D$ l1 F6 i2 k' Q2 F1 W
<statement sequence2>;
@. }; Z1 E9 u' W4 d5 X else 0 b: W& Q) D g2 F5 v- S, ~
<statement sequence3>;, T8 B7 y' l7 v+ u' ]7 m
end;0 O+ G: d3 i" d |0 N: ?4 l' l* |# r7 |
如果分支比较多，用：
4 X$ Z- O3 J3 i! y# u inspect <expression>( Q, N& f9 `7 d8 w! P
when <constant_list> then& I+ |3 Z) C- i7 c* d
<statement sequence1>;, ]3 \+ D5 T0 g8 v
when <constant_list> then
3 e7 i& R$ x+ z T: W <statement sequence2>;
+ F5 D2 k. T9 q+ Y' N6 G- } ...
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<statement sequence3>;+ q7 p1 b4 I* G
end;
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2循环语句
3 |, }# O3 r( b; [; J$ L& I (1) from <statement sequence1>. l. \4 \7 V4 @/ N4 [
until <condition> loop$ @+ b+ |+ u5 X \% y
<statement sequence2>;% n3 n1 O$ M3 b$ l# R( a
end;
$ A( ]) ]4 N6 f! ^" J (2) while <condition> loop
2 S& S1 y H0 O! o9 }& |8 ^7 }% o7 c <statement sequence1>;
" G2 e7 E6 D/ k3 R) i: Q end;
9 i/ G7 E' N- X' z5 E# x2 |) w (3) repeat
! k" r# ^5 x e- r! ?; m <statement sequence1>;
1 b; v- P) f# B; S until <condition>;
) p2 t* \ _# ~ (4) for <condition> to <condition> loop; a3 P2 L3 C4 N I C4 w1 Q' r1 D
<statement sequence1>;& ^& M/ j4 w- @$ D
next;1 f1 Q4 |7 S, G" Z/ |$ S
3中断语句6 R( x7 V5 ]$ g
waituntil <condition> prio <integer expression>;; V9 k5 m' d8 @. ?- M1 I/ k; R. g
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以上为常用的函数！- I1 P% d* d& y, q. G
还有很多，如有需要我把资料发到你邮箱里
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