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发表于 2012-11-13 08:48:12
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1判断语句' C0 t% J3 `) T9 t, `% E. ]) o3 H
if <condition> then( i8 V) c5 \$ i* G" h' H
<statement sequence1>;: f3 `& O' V! H1 K
elseif <condition> then
r" t' K& y8 U2 S# c <statement sequence2>;0 x1 t! I8 K$ {
else 9 O6 c# U# p4 b7 B' z; J* T7 H
<statement sequence3>;) f2 u/ r- _9 M( X
end;' k4 ~, t0 f$ `& H3 V N; J
如果分支比较多，用：/ y+ d/ u- S) t. B# C, U, O
inspect <expression>9 m* k- v2 W: O$ S. T! b
when <constant_list> then) G: e6 s% L. u! F* Y- n
<statement sequence1>;' n' I% D! r: m; o
when <constant_list> then/ s3 \3 t/ h3 m. K6 C
<statement sequence2>;" C2 A. I% |2 R
...
3 o" ?) E2 @% l" j* [1 p else
$ J' D4 A: L" L) M% h$ z& A P% I <statement sequence3>;+ o' \5 w8 f0 h( A: |1 b2 q% a9 g
end;5 F" o0 c3 V% ^: A% `
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2循环语句7 m6 N. s; \) |8 g, n& |5 i
(1) from <statement sequence1>( V+ a) _0 \: L4 c. y; ^/ }
until <condition> loop! G k9 K1 M# C
<statement sequence2>;: h" H. F% ~- p: c% C9 U0 q
end;- ^: q' q5 V" R# T( u
(2) while <condition> loop
3 z7 _) h$ b1 T4 l <statement sequence1>;
# ~% h2 D3 R: d! y0 H end;, S- [1 A/ B. Q4 r! v8 x
(3) repeat
# K+ V5 v: E ?. w <statement sequence1>; D2 O5 J. \ e9 [' a: e
until <condition>;
) k* s. b; a+ r& }# t0 ?, e# B8 H (4) for <condition> to <condition> loop
; v' o% @' n7 a/ ]0 N1 |9 t <statement sequence1>;
! L8 m2 P8 ?9 N u( _. u- I next;0 C% }; q: q8 o8 F1 \
3中断语句) n B$ G6 E0 w* T* `/ t2 o: k+ ^3 b
waituntil <condition> prio <integer expression>;4 e2 G" @# a; w, p9 j6 r
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以上为常用的函数！
) U9 K) e: W/ U P; s还有很多，如有需要我把资料发到你邮箱里 % l7 a8 l. h8 z
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