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发表于 2012-11-13 08:48:12
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1判断语句! A3 w! w: H7 a
if <condition> then
) r6 {6 F" e/ Q: {7 ]5 J: \ <statement sequence1>;
3 `/ _3 t. K2 h2 ?* y5 T elseif <condition> then% U0 m2 H' K- F# ]
<statement sequence2>;9 d5 n- Q$ ?5 T5 v: E. P2 l2 z) H
else # ] ^0 X& j) o; [- K4 y- r
<statement sequence3>;
+ O3 C* M, b: ?3 f8 O8 ^ end;+ A5 o$ o1 @$ {% a
如果分支比较多，用：
J1 R- N% f( l5 v2 t inspect <expression>8 g( A$ t$ E" j. u
when <constant_list> then
3 f2 B: F) X. ]7 Y/ @ <statement sequence1>;1 Z. D0 ?3 ~4 ?9 I# t* \7 M2 ~& Y
when <constant_list> then
* z! g/ \: W9 U" O! H1 n2 e* e! {% E9 T <statement sequence2>; p+ Y9 o- i& U( a4 s
...
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<statement sequence3>;! F. S9 n* Q4 I
end;
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(1) from <statement sequence1>
% p+ x7 f4 M% \' m until <condition> loop
) U; I) j/ q4 M0 K <statement sequence2>;; p! K2 C. k2 h, k) \. T$ v
end;( u& x; ?. `8 [; R
(2) while <condition> loop2 n; e$ M7 o# W( {) o- i
<statement sequence1>;
" X/ Z+ @( ? h5 |* b" \: E& s' f end;
1 w$ d0 @- U4 L (3) repeat
9 q( Q% C8 @+ U3 Q% O( f3 L) N3 o8 x5 W <statement sequence1>;8 y4 W% L( ]. R: F# A
until <condition>; i( |! y, `# \* T# M
(4) for <condition> to <condition> loop
6 r- P x2 j6 @* K) @4 Z+ m <statement sequence1>;# r( y. m L3 O* X& r" n
next;
6 {, x+ q5 G/ a3中断语句
8 f# G' m. q4 u( g waituntil <condition> prio <integer expression>;; X' G" H1 O' Z! ~/ X
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以上为常用的函数！
1 ~4 V, S% u8 O8 Z5 t* h4 C* i还有很多，如有需要我把资料发到你邮箱里
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