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发表于 2012-11-13 08:48:12
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1判断语句
- p% ?" B+ N8 a if <condition> then' N' _9 ^ @5 R U: ~
<statement sequence1>;
8 s9 @5 {# E; o# H% Y! {2 ^ elseif <condition> then4 U' x6 J4 S& p5 _# E# }3 s$ b
<statement sequence2>;. H% _7 f a" \: t9 `5 o
else
0 Q) q3 Y3 G3 R: O# W9 g8 { <statement sequence3>;! `% \6 X( z) P; V6 D: A
end;1 c3 @& q' P. D. u4 [6 m u
如果分支比较多，用：
4 ~0 {, W3 J3 q inspect <expression>
( {+ R1 j9 G0 D: ~* |1 z! y; y when <constant_list> then6 ?' }8 b# c; c
<statement sequence1>;6 N' v7 M( t; Z+ {) U8 r
when <constant_list> then
n& ~6 Y' N1 n <statement sequence2>; v, {( d+ g" t2 y
...
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<statement sequence3>;
0 d l1 R: d4 Jend;
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! I; j' {7 d2 b6 L, k1 X% z2 j. m2循环语句/ o7 i i# ]' l1 d$ V. Y' r
(1) from <statement sequence1>5 Z. l! {6 | \* l! w. e
until <condition> loop
1 J' K/ e8 y( j; e) R <statement sequence2>;% ~" {/ Z: ]* y0 V0 c( u
end;/ R( K# ]- }+ L
(2) while <condition> loop" f* [2 C( J# U5 ?) K* x+ p
<statement sequence1>;$ w: I1 `& t( u/ U9 M7 h
end;
* v7 F( \ c; l" X2 @8 ]: E (3) repeat 0 m& l; G. v0 i7 f
<statement sequence1>;8 Z T$ d* e6 P s
until <condition>;
$ m0 N, l, a* v, |: s, g) N- {: ?9 Y: Z (4) for <condition> to <condition> loop8 O. U7 U7 s4 }
<statement sequence1>;) Y& k+ h: D6 W3 y* _
next;
, m- X) t, J3 Y6 q6 ^2 ?# O8 J+ Z3中断语句
8 }8 f% O' w ]5 k waituntil <condition> prio <integer expression>;4 Z2 W' h) M. _9 p" _: G: Y0 \8 P
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3 G) D3 V! M! e$ o- T; _以上为常用的函数！3 B- `: b- {2 Y% l; i/ k" z
还有很多，如有需要我把资料发到你邮箱里
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