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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
5 F- ]5 g/ Z c! [8 B if <condition> then) \. N( n3 p0 v I/ `$ i% s" c: W
<statement sequence1>;1 N7 D& J% J! i9 G* A
elseif <condition> then. r ]8 Y' K5 E5 \- g; U c# z# p) J
<statement sequence2>;
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<statement sequence3>;
5 l5 O1 M6 f+ b* D' T. | end;6 q) N9 h3 y1 S7 T' e- r% p H
如果分支比较多，用：/ G5 D9 g4 P: v/ Q
inspect <expression>; u; Q/ K9 z0 a' r7 n& M
when <constant_list> then, l4 t- @) k' q+ W+ [' j/ ~& W) |: I
<statement sequence1>;. W/ N5 X) M% l# M& w8 ^% a
when <constant_list> then8 g" U/ h `# g. ^, N
<statement sequence2>;
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else n' }0 l, n+ h4 c
<statement sequence3>;7 ~. n3 Q/ k3 G) c
end;+ Z4 ?$ Q9 n* T4 l+ g* z$ a
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2循环语句
, k$ c8 `& y6 ~( p (1) from <statement sequence1>1 `- {4 x# q9 ~
until <condition> loop
7 ]2 m' k# p2 t4 j$ \: h8 I+ q% Z <statement sequence2>;
; c; {, d/ O. f$ c& ^ end;) q0 _& x& F6 g8 o p+ z
(2) while <condition> loop/ M: {: y, z7 ?% O: F" h+ U# `
<statement sequence1>;
/ t6 v3 b1 p( f; x1 f5 |- ] end;) h6 g+ X" M" A( }
(3) repeat
6 |2 {; b8 E w3 M <statement sequence1>;0 v/ K( ]: Y+ m" B
until <condition>;6 n6 s: l/ }( ]2 _2 J) y% c
(4) for <condition> to <condition> loop: Q. _0 `" U5 d
<statement sequence1>;1 L5 ~3 c$ b; z% ?( E
next;% w& Y/ i( b+ [' Q$ I
3中断语句
/ F; u( K$ X) o! q2 f9 X8 U waituntil <condition> prio <integer expression>;
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& I) O$ o: W$ m# z0 g' R以上为常用的函数！9 Z" t D) P! i% R8 k+ {1 M( E
还有很多，如有需要我把资料发到你邮箱里
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