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发表于 2012-11-13 08:48:12
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1判断语句- p- x g& B B. W1 o
if <condition> then
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elseif <condition> then6 ^# v# B2 Z C1 x/ p! b, ^
<statement sequence2>;
/ j$ ] H: q/ f# l' X else
' ^( c$ y4 p9 ^3 _5 t9 m# J' u$ k <statement sequence3>;
8 w; d, h, }2 `0 Q9 K( m end;' h3 F7 D) V5 `: b' Z
如果分支比较多，用：2 S2 l' B: J' W ~) X8 N
inspect <expression>8 k0 W4 x+ I* M/ `3 z
when <constant_list> then
, {& p4 w$ g* b& q <statement sequence1>;) Y; w5 d; Z1 n! s6 @0 X A. V' S
when <constant_list> then+ H; a0 F8 d8 _, Q( [
<statement sequence2>;
( J$ X: H+ \1 h/ T2 w ...
W5 m& f M' J( M: U& |" W else/ K% y: @8 _1 l8 A
<statement sequence3>;: }8 x9 ]* L4 |* v
end;/ M" i4 N- j) T8 H' i
. m( ]" F% {, r: ~/ ~4 c2循环语句+ J7 K0 n0 B: o; ~( C7 }7 l$ |6 f. O
(1) from <statement sequence1>+ [6 Y3 d& X' ~
until <condition> loop$ v! j- M% ~5 y
<statement sequence2>;
8 H, B0 m: J5 T. N( S" Q0 k end;- d8 { g. _4 p, l
(2) while <condition> loop
, o- }8 g8 T3 b6 m4 H <statement sequence1>;
1 f# s7 }& y: J end;) v, H4 w: ]) w* n! g W) p4 |2 ~8 [
(3) repeat
3 r7 I$ J# R: `2 B7 B7 Z <statement sequence1>;
( w( |; j" P8 z9 n, E; N& C1 w2 W until <condition>;* D$ p' r) d7 X& ]+ z
(4) for <condition> to <condition> loop
3 }4 J, f+ y1 g; X. U; T8 Z <statement sequence1>;
" Z: A f' o$ M- j v next;
2 Q/ C* A& _7 P8 {. J, x+ V3中断语句
! N* B7 `& j6 \ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. E6 D- V9 n3 B2 ^8 @" {; ]还有很多，如有需要我把资料发到你邮箱里
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