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发表于 2012-11-13 08:48:12
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1判断语句& f! E5 r" [: ~6 t# c8 T
if <condition> then
1 A4 G- L; n- ~2 I <statement sequence1>;
0 C) W6 u5 A) q' w/ b elseif <condition> then5 ~" f* u+ Q3 I
<statement sequence2>;1 Q8 p' b) M4 w
else . h0 l! U4 |; q t' W- A
<statement sequence3>;
: z( p ~) n0 Y- K1 @- I' i8 E end;
' ]7 c5 X1 B# q" x如果分支比较多，用：
4 h. }+ t Q5 f1 l$ ^ inspect <expression>: W# \; r: K4 P% [0 I8 X8 L
when <constant_list> then5 j" b0 F1 ^! X* V( d- z5 M
<statement sequence1>;2 w, k; S- P& T- y3 x; B) x
when <constant_list> then
3 u$ V H7 O; ? X* Q+ i <statement sequence2>;4 W' [+ Z3 m8 S7 T4 y+ ?
...
# | F. p8 d8 z5 w else ~& X7 W+ c5 q7 H, j
<statement sequence3>;+ J% K m; [" u+ M9 t
end;5 U. V& I; c( s. ^
3 H$ Z6 k# H) [4 z# B' p0 w2循环语句* j* e+ W4 \+ e
(1) from <statement sequence1>. o0 @/ w% s! g* |! V
until <condition> loop6 m( `# u' U+ |7 `2 N# s/ A
<statement sequence2>;4 U2 i# G- W3 `/ o9 ?/ W8 p
end;
1 T R+ M& \2 y2 b; ` (2) while <condition> loop
7 `0 M. k, j7 L# L# A7 ? <statement sequence1>;% {* {+ j( P- Z% [
end;( w6 b5 g, I" P- Y& S7 S
(3) repeat , V/ m$ l, E3 w# Z& `7 ~
<statement sequence1>;
! {) q" R6 r3 x+ H until <condition>;5 i% C( x+ K" }/ U
(4) for <condition> to <condition> loop+ y- u: x. x6 p( M1 }# @8 Q
<statement sequence1>;* ?8 N. r4 L4 F+ H( g2 C: W% }
next;) r( j# {; K: k+ P- L
3中断语句$ u6 a! H5 g1 o- M
waituntil <condition> prio <integer expression>;) T3 Y* Q9 r9 A% g& }8 V1 |% D
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以上为常用的函数！0 c4 [" @# U- M; Q! e
还有很多，如有需要我把资料发到你邮箱里
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