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发表于 2012-11-13 08:48:12
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1判断语句9 O! \ u- i4 C& U! s. L
if <condition> then6 H9 _5 k3 T7 c3 H8 Q& h
<statement sequence1>;, t) k x M/ G; p }& {
elseif <condition> then( F" n, Q* O1 O5 L) l+ A( j; S
<statement sequence2>;
; Q# p0 a8 O4 f4 c* q else 5 r+ v4 E# u. r+ W4 c' F" e
<statement sequence3>;
4 a5 q# o' V! |- J, k5 H+ h. X4 u end;* U+ [8 \" K* J+ K- X
如果分支比较多，用：" D1 e8 ?* |+ j* G
inspect <expression>
# @2 p7 @: |7 x( L9 b2 ?/ z/ | when <constant_list> then
' v* N0 t7 H# ]1 `# X/ m( S8 _ <statement sequence1>;
! v: d6 ?% L2 k( A when <constant_list> then
. N0 S' ]6 g- l7 K" l <statement sequence2>;+ x6 e8 R+ }: o( H$ ?
...
6 P( @9 X- g/ _$ m4 x else
. o. n! B: G1 p$ i <statement sequence3>;
. ~2 d7 r+ P' y: zend;
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2循环语句
' F* m& ^7 B' k! q. E6 s; y (1) from <statement sequence1>
: l7 t+ @( t, L' L until <condition> loop9 I2 y& I1 l+ x4 E( L O, i
<statement sequence2>;. @6 u/ r* A0 b1 |
end;8 e. _ m0 L: F/ I
(2) while <condition> loop
; a F. J: e- h; E <statement sequence1>;3 G, ?; a5 ?$ ^+ E& r" j' E9 g' i: ]
end;- i; s% S* m, D" }) N1 a7 @" ?
(3) repeat
' g. V" C* b4 {7 D6 F- G6 b <statement sequence1>;
- @& G1 P6 C. V( _1 v, k until <condition>;
$ {' M( n! l' m8 L5 \ (4) for <condition> to <condition> loop
: T5 Y0 d8 q2 X6 J$ U9 F) j <statement sequence1>;
: B- S. U6 i& Q6 X next;
, g) Q* l0 X' }4 t: P! V3中断语句
0 P+ A/ `2 l0 G$ N3 n; C waituntil <condition> prio <integer expression>;9 v7 d- w7 k; p# y5 b
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" p) r( h4 f) ~; a以上为常用的函数！7 A3 Y; B6 F) A; z# ?. n" t0 Y
还有很多，如有需要我把资料发到你邮箱里
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