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发表于 2012-11-13 08:48:12
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1判断语句0 [4 A% p* ^$ d" L
if <condition> then! o1 C6 J- f' i1 g% Q
<statement sequence1>;# g3 z2 w4 a% e! W* p
elseif <condition> then
0 H4 i, K9 h# N <statement sequence2>;4 N s4 k$ s2 L+ @
else
1 U3 j8 o( v( l <statement sequence3>;
4 J. s' j" r+ X6 V- e! Z9 z9 X end;
: B7 Z. \3 T* d# q5 Y2 z- M如果分支比较多，用：
8 G, j5 S% ~9 }" z$ r inspect <expression>
& ~+ R5 b. I7 t! {: \4 A when <constant_list> then
1 A: H2 ^0 p5 j3 |- c7 U0 Y <statement sequence1>;" \/ p/ b9 H; J3 H* E4 B: A
when <constant_list> then
5 V1 P* [& D; z <statement sequence2>;
- s) V5 X, r& @# X( @ ...
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<statement sequence3>;
3 j8 b% V& ]2 Aend;
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+ {) v3 k& @5 K9 \) F9 h$ O. |$ Y2循环语句+ G' V. C: e# A9 C# {- J
(1) from <statement sequence1>/ l, p- I2 Z! G8 g; p
until <condition> loop/ M3 ?* |2 t6 W, W4 F6 g
<statement sequence2>;/ n* F4 _" x) g& |
end;# D8 g5 ?5 k ?# C( [3 T0 ?. o# V
(2) while <condition> loop
8 e; X" y' R, @1 u0 W. N <statement sequence1>;
! h' P* l( W8 s- R end;0 a3 N2 q, H! n; C3 D
(3) repeat + \# X6 b( d: ?, m/ ~
<statement sequence1>;
& d0 W5 j; @/ W8 X0 D$ ? until <condition>;& U/ c$ C/ i" Z g' B
(4) for <condition> to <condition> loop8 F6 q; _* p9 ]9 s0 L3 P6 O
<statement sequence1>;
1 g+ d" V, l3 y. ^ X& v0 o next;
W2 X9 j1 l' `# ~3中断语句
K& d- [4 X1 w waituntil <condition> prio <integer expression>;; W% F) [0 N* j- \. |
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) ]1 f* i5 t* l/ g以上为常用的函数！
4 L) @$ Q* O% \9 x还有很多，如有需要我把资料发到你邮箱里 7 C! Y" h9 |( ^0 ?" @' t
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