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发表于 2012-11-13 08:48:12
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1判断语句, f2 ?% _$ D0 }+ n% L
if <condition> then
( \# p3 O* b4 W* ^4 X4 L <statement sequence1>; k. P- c) o, G8 W- g
elseif <condition> then: w/ x/ {6 P# ` w3 {
<statement sequence2>;2 s5 _8 r( ?' C6 _; {1 {- c
else ( [9 {" R a* R' y
<statement sequence3>;/ R# b: ?: G) X; j: O4 I4 V
end;
$ S0 x! S) z) J, z9 X1 O J0 f: ]如果分支比较多，用：
6 k; ~& Y5 m5 n4 } inspect <expression>
$ D5 T( W1 t+ S3 p+ L q when <constant_list> then0 w" e; g% m4 X; v) g& _
<statement sequence1>;" T. Q& ~ O( j# C
when <constant_list> then$ C' k. o7 n `, ]' _/ w+ V, N
<statement sequence2>;
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2 x' g6 I4 i! K- V& W else
- U8 Y! T: A4 L9 H/ q4 i; R+ c <statement sequence3>;* @" o/ }$ w1 a* F. b5 I
end;
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$ i4 M# C" G4 _2循环语句
8 s6 H3 i" a, g (1) from <statement sequence1>
9 |% I* {" C8 b' B8 t until <condition> loop
1 Q. H6 s- c! C5 L' g <statement sequence2>;
! p ?- {+ ^ }& l+ f6 H; p( M end;8 ~0 k2 C! ]6 M& T# S W0 r
(2) while <condition> loop. ] t5 |. o* L8 L3 H* X
<statement sequence1>;( W( w( m: n4 @- l# ~
end;
M/ G: c; i# J; y8 a (3) repeat
1 i0 v0 w6 E8 E! u2 m% i+ Y$ {. ? <statement sequence1>;
* J9 }9 \9 S. \ until <condition>;0 t; u: Q S% l! P- r2 l! b. U W, z
(4) for <condition> to <condition> loop; |$ y( G. H' m$ D3 t
<statement sequence1>;0 i$ M1 `/ B; Q' p; d
next;) U* V7 r! y. m2 l/ b' x r3 L
3中断语句" O3 j7 i! _8 _# |: r _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 e/ t# C) \3 z! z3 _1 D' O6 |) W还有很多，如有需要我把资料发到你邮箱里
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