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发表于 2012-11-13 08:48:12
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1判断语句' H; _5 I0 v. N6 O) s4 z
if <condition> then
5 ?+ `* ~; v$ l, \- \ <statement sequence1>;, u# U9 P$ o- \$ t
elseif <condition> then" q8 _* w2 ^. ]/ C2 d6 i3 x" i, h5 N
<statement sequence2>;
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<statement sequence3>;/ L! V5 B, u+ b3 }3 Y' q) _1 a
end;
" v- u" \2 W! k" h如果分支比较多，用：0 | Y/ l. q) S
inspect <expression>
; G+ J/ Q8 R" s L9 n6 K7 j# u when <constant_list> then
( S- @- N$ V9 \! Z8 J0 b <statement sequence1>;" K0 S4 M% Q* k
when <constant_list> then
; P* P' ?$ D- r, _9 P0 Y* D <statement sequence2>;
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else2 f- R3 s3 C- ~; _$ \
<statement sequence3>;# S7 `' o4 h9 |( z X
end;
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. U" c A( b/ r* r/ F0 I2循环语句: @" F. m I! z# l4 |
(1) from <statement sequence1>
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<statement sequence2>;+ r1 h& e0 q6 V7 D
end;5 D+ X. ^) l, \! G
(2) while <condition> loop
6 R$ e! K0 D! b9 `3 `6 q! v <statement sequence1>;6 ^$ f- c) I: j
end;
) r3 Y' |0 j8 C& ~8 G (3) repeat 1 t" f0 j" l* b: q( [
<statement sequence1>;
1 w) c& r& c% S/ I- k& e until <condition>;: I9 t$ W6 v1 P( J' a
(4) for <condition> to <condition> loop9 M, K7 _$ p9 _: u) N L8 ?
<statement sequence1>; ?3 i$ G% L6 |# D4 Q, z" V
next;7 a- j3 S! G! R% ~
3中断语句
7 l! s3 [! R% ~7 W. Z waituntil <condition> prio <integer expression>;0 y. G7 G* c. E- M8 P5 T
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以上为常用的函数！4 ?1 T+ Z' ?' y) [
还有很多，如有需要我把资料发到你邮箱里
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