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发表于 2012-11-13 08:48:12
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1判断语句" L8 b4 z& \ T8 q( G( i& J
if <condition> then9 D5 h: H+ o8 b! i$ i7 G% i4 G3 X" E
<statement sequence1>;
( r2 W: r; x: C8 V elseif <condition> then/ h/ ^# q8 Y% j" Q3 u$ L4 ~* w3 C1 H
<statement sequence2>;4 \: F7 z4 S1 |5 n: O7 i3 f
else 7 {5 x1 G6 C5 K
<statement sequence3>;
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如果分支比较多，用：/ o9 _% |3 ?3 w. X& {; ?/ R) K9 s
inspect <expression>
' S) o/ X8 U/ {+ _# L when <constant_list> then* L0 J, F- P4 f& `, i% e
<statement sequence1>;
! b1 s; x4 s4 a; b( |6 l when <constant_list> then* h3 V5 t* ^3 d+ O6 E
<statement sequence2>;
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else7 W' M, a9 Q. x9 v( {* v2 L
<statement sequence3>;
! m) |" E8 g0 j( J: J" E* @end;
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% }* @# Y! D" O! {2循环语句$ X$ `# ~; n( L: e2 X1 h N m
(1) from <statement sequence1>( {: C0 ?0 k" w9 M
until <condition> loop$ Q: Q" L7 n# C; G) R
<statement sequence2>;+ u( x: v/ j! r. {2 a3 u; N
end;- M6 I, d$ u' l* q1 i4 q! M" T0 A( p# R
(2) while <condition> loop
% u% l `/ c5 w; Z+ y <statement sequence1>;
6 ]: A7 ~7 S- [: B: k! ] end;
' s! P& B, G n1 f+ @ (3) repeat
, s: n" }$ {. a7 Q! o% G <statement sequence1>;
1 e) O5 `! X4 U$ Q9 u) C until <condition>;
+ E7 l. v% d2 Q# F+ N1 ? (4) for <condition> to <condition> loop
% e! w1 j1 R! `! E <statement sequence1>;6 H9 I2 D5 u7 o7 \/ }$ K
next;
. z; s1 T. a1 ]6 n+ h, M$ N3中断语句
; m }( P& U! ]. j0 b8 C5 M waituntil <condition> prio <integer expression>;* D" s9 w! o$ J3 C K
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以上为常用的函数！- D: W2 Y5 T- e3 k; x5 p7 d! O4 J
还有很多，如有需要我把资料发到你邮箱里
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