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发表于 2012-11-13 08:48:12
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1判断语句5 c3 j" J! K9 \9 }4 s& e8 \
if <condition> then# X2 A2 C, h. @; Y
<statement sequence1>;" b0 c. S. m+ d
elseif <condition> then4 f p4 r& Y2 J9 v. o/ ]
<statement sequence2>;
7 v, N9 S3 O' R+ x, G, u' r# a else
# F& f9 V' |( d5 o3 L Z% H6 H <statement sequence3>;
0 r" p* `1 W( f( Y( _: ] end;. H* w. u$ N( \4 i
如果分支比较多，用：
: L4 T' y \1 m3 B/ u" l1 U9 W* I inspect <expression>
: C) u& D6 O7 h when <constant_list> then( E7 B/ E! g1 `1 d; w
<statement sequence1>;
* E5 |( L- [. {5 ? when <constant_list> then* }& M1 {6 l4 ~
<statement sequence2>;5 ^6 a6 X* X* w$ L3 P! p
...
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<statement sequence3>;1 R5 o3 a! J( I* l8 h& G7 {( G( ~. G6 C
end;
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0 B1 x6 ^9 X0 E4 }" ~4 a' P( T2循环语句$ v+ Y2 c! ~& |2 J! A
(1) from <statement sequence1>0 ?: s% D3 j5 U1 {
until <condition> loop
$ a( j: r0 h( I/ D- h$ g' ~ <statement sequence2>;) `+ V, G1 W6 N5 G
end;% j6 M; Q+ J; Z. {8 b
(2) while <condition> loop
3 Q6 ^3 E* H4 R <statement sequence1>;
1 z8 [% S' r" t; r$ V end;
) D8 I$ x$ g. w4 v2 f, z! G; l (3) repeat ' | [# h/ c0 c8 G0 j
<statement sequence1>;
C4 _: a O; K+ E( E( {3 O until <condition>;
& [" m6 j" X# W (4) for <condition> to <condition> loop4 T# b) n/ \4 T+ Q8 K8 ^. V9 ~
<statement sequence1>;2 p8 b3 h! e4 T6 {7 e
next;
' q7 M' n# y& [9 {3中断语句* _9 u t W. N
waituntil <condition> prio <integer expression>;) d8 k) N6 I, k% E
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以上为常用的函数！/ c2 f, @2 c$ v+ C1 P$ H/ i) d
还有很多，如有需要我把资料发到你邮箱里
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