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发表于 2012-11-13 08:48:12
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1判断语句
/ a5 |$ ^6 c* e' h7 i2 ` if <condition> then
$ q' c: l5 N/ B! v$ ?- C <statement sequence1>;
5 N/ }1 ^3 e9 W: W; l elseif <condition> then
( V) a! D$ c6 O8 g3 _1 J <statement sequence2>;' ~$ y+ X: N+ B( y7 g
else
& l( `. y! Q& ^% M1 F0 N <statement sequence3>;
. E( G$ b! S( y end;$ r# O l3 M4 m
如果分支比较多，用：
3 q6 `* Y. F/ z/ f inspect <expression>
* R- r. S* _3 {' k8 s: | when <constant_list> then6 o, V9 F- T0 j1 x# Y, G
<statement sequence1>;
! p; u* @4 j" s! M7 H' d3 \+ k when <constant_list> then, T( v* i& k" C
<statement sequence2>;7 {0 Y+ i9 O& n8 [0 k
...
* l2 q: T. q' F# T5 t2 z8 k else
$ e" w. |- i# f' ?) Z <statement sequence3>;
. U( B0 A+ l$ f R" b: G! ?6 g( m* ]end;
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+ p6 g7 Y0 d! J/ _# V2 s0 L2循环语句; x6 f! y- J5 r2 O/ ]8 ~
(1) from <statement sequence1>
9 S! L6 _7 X) ^$ E& v# q* d until <condition> loop' ?8 `! J- }' }+ o8 j) {; N& Y& V
<statement sequence2>;
, ]! l* Y, X! x) g% @ end;. R: u1 v! c7 g# `1 P8 J
(2) while <condition> loop
' M6 _" i9 I. j N8 D <statement sequence1>;1 N" P' V6 f+ d, [! j
end;) s3 f: d% n1 r# T7 l
(3) repeat ( V6 f' m1 S7 l* J9 D
<statement sequence1>;1 G" T2 Z4 q$ m% c6 m& B
until <condition>;
% M( r8 `3 S) N, f+ H (4) for <condition> to <condition> loop9 p4 c6 v' U6 A m: e. [
<statement sequence1>;: L' n# r& r! y) [ {. z3 H* z% V
next;- s# ^9 K% p8 {- ~) s$ _
3中断语句; {# Y, E; l- ], c3 x- f$ [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) S7 `, V9 W1 u( M7 ?
还有很多，如有需要我把资料发到你邮箱里 3 D* T6 t. G) l8 a" ^9 u( R
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