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发表于 2012-11-13 08:48:12
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1判断语句
) a+ \. W. {$ |4 w$ {: J if <condition> then4 v' L& E7 J4 C, X" a8 o
<statement sequence1>;
- \$ K7 z$ L+ p% x elseif <condition> then. r- p6 w5 r6 O5 b
<statement sequence2>;
! n ?. G( H+ T% q( @9 N8 J k else
5 v3 t+ L! U! l& z9 B' u5 [, Z <statement sequence3>;* y G! t# E; U
end;+ [6 u$ a+ t$ T8 m H
如果分支比较多，用：
2 @9 _( V/ t7 n2 w# O inspect <expression>
$ s; f% v" S2 k0 |7 O, [/ Y when <constant_list> then% [' |$ \, W' y; [7 V& G
<statement sequence1>;
, |$ @4 c' B$ q) {4 ` when <constant_list> then0 n5 O/ Y% T/ ~ w- ~( p' ^3 @ b
<statement sequence2>;0 J2 G& D; D$ q3 t3 u1 i
...
, s! K; D! n v+ S else
& k9 B7 P6 n3 k" n { <statement sequence3>;
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7 A- n2 P# X1 G* J) k5 @5 m' f: F2循环语句
- h+ m- _ N; o5 O8 ~ (1) from <statement sequence1>
+ M) J5 I7 j @& d* W/ N+ `2 v until <condition> loop3 }: }) B0 R! ]; Z
<statement sequence2>;; m/ t' t* W* W, K1 J) A5 F" t
end;2 N- @- g/ T; W
(2) while <condition> loop
# t+ i+ U; M. \: {: d* u: l <statement sequence1>;
9 d F' N0 O( L8 O end;! F0 `( @. q1 O! s+ l9 O
(3) repeat / v7 W. {5 Y9 j9 l2 O" w
<statement sequence1>;
. p! W$ |$ }& } until <condition>;4 t- ~& f. ^! K0 `3 A$ B5 t
(4) for <condition> to <condition> loop
1 _6 K% Y, z. X: |2 C8 B <statement sequence1>;
2 f' R' j8 y' z/ i; E- U next;# }4 m* ?8 Y6 c5 v( M, t: l! Y
3中断语句6 _* r7 ?4 A6 _$ b: `4 w2 ~% q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 x4 S1 l& O; @+ G$ b; X还有很多，如有需要我把资料发到你邮箱里
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