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发表于 2012-11-13 08:48:12
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1判断语句
- E& _) s- F: p! r/ v if <condition> then; Y+ f- A6 q( ]# y5 F4 W" i
<statement sequence1>;" v" ]8 V: U5 F$ C5 f) M W
elseif <condition> then* Y0 k( H; ]" d4 k; o, w
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
( B' b d/ l* \8 m3 @2 E$ W inspect <expression>
! o# q6 b9 Y3 i9 y e" Y; v; ] when <constant_list> then* Q2 P/ s7 [' X! H+ [3 V
<statement sequence1>;
- ^0 m5 |9 q; l) B/ `, x when <constant_list> then9 o; K2 b3 v0 i; ?3 g! ^
<statement sequence2>;: w: C9 w' R* e ^ c
...
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<statement sequence3>;
5 k) k0 x- }. R, |0 \% u D3 K2 cend;
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7 d' U" A* u4 C$ _' @2循环语句! S1 M+ }2 f) L3 W6 [, b. c
(1) from <statement sequence1>
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<statement sequence2>;
; k$ U% E8 v' m6 s, A7 N& R end;/ c- f2 E+ K% q2 c% u" q
(2) while <condition> loop! \# V2 |- p v5 y. d! K4 l
<statement sequence1>;6 _3 Y8 Y; s% d h( U; X# g
end;; _( D" Y" [& |3 ~' Y
(3) repeat
; A+ e: K2 H: P, l <statement sequence1>;, v" f5 Y7 {7 W+ b) A7 t
until <condition>;5 ?5 V3 r- M9 }# s& R& o
(4) for <condition> to <condition> loop
]* u# X: s0 S- }- g! ~: S1 j <statement sequence1>;, d' x! I c2 l
next;; c) x8 t( o; ~7 [
3中断语句
( ^8 K1 h& W7 Q$ p0 ~ p% R- i waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 y) a% R' k/ ]0 u% x还有很多，如有需要我把资料发到你邮箱里
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