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发表于 2012-11-13 08:48:12
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1判断语句
+ B k. l5 u; F, B" u if <condition> then
; A4 P- S5 M8 y$ C: \' `( K! L <statement sequence1>;
* Z; X, {7 |% q# M elseif <condition> then4 d/ }) e$ P+ X1 s. i) y
<statement sequence2>;
; A: d2 M$ [. F' s4 ^# B else ' {8 [% k# n6 Y. a
<statement sequence3>;
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如果分支比较多，用：" Y4 d% r% [5 d2 a2 l' i
inspect <expression>
`. W3 Y7 A1 T; a8 m5 m when <constant_list> then
# N' I+ Y, v7 j/ F8 B <statement sequence1>;4 {* C( _! ]" m
when <constant_list> then( [* s. U! S& i4 Y- N
<statement sequence2>;
' g( [/ D; y$ y6 [* p% X ...
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<statement sequence3>;5 D" o# R& D$ a9 W" C
end;
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2循环语句1 `1 x% V1 u1 b( R) j
(1) from <statement sequence1>% i* A& l& d) n5 i" F
until <condition> loop
8 |' R7 g9 }3 [! q, d" g7 X <statement sequence2>;
+ f+ R" C) P9 U. T6 M1 f; a end;
$ l$ t$ b5 r2 K" L0 m' T9 o (2) while <condition> loop- V1 M+ P. {3 F( C2 v
<statement sequence1>;
/ c: C, [5 Q! q& d4 X; S1 _ end;/ r0 J% _9 F) _% m: h5 T8 u
(3) repeat
. R( X: c! T3 f" q3 j <statement sequence1>;- n1 K: K8 y* h4 M
until <condition>;
9 A2 S4 f* H! w* o (4) for <condition> to <condition> loop5 D0 \" J$ V& z/ a1 K% C
<statement sequence1>;
& O( I4 @# e7 l) R next;
. X- K7 O+ C v! n3中断语句
" S' N5 a: O- j- ]% w: b waituntil <condition> prio <integer expression>; Q) H1 I) a" [4 _
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以上为常用的函数！
* K Y$ t w- I9 Y还有很多，如有需要我把资料发到你邮箱里 5 [' V7 F _" K R2 z" g; e
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