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发表于 2012-11-13 08:48:12
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1判断语句
/ z* Y6 {6 U! `0 y5 a7 M if <condition> then- M7 z. [- N( A% A; b5 G" ?/ @
<statement sequence1>;- k% h) a: _5 l9 g1 O" n
elseif <condition> then+ f- X* K& u, m) Q2 }) Z. @1 f$ _
<statement sequence2>;
5 R4 w( C \8 W else
; F( Y- p+ p- U7 t" a, Y <statement sequence3>; ?5 ]7 A& q+ ~% S$ |7 ?
end;
) h I6 h& e- p5 @6 \5 T如果分支比较多，用：
/ r3 A1 u/ T! `3 t9 o. Q9 p inspect <expression>$ h0 \2 I! b+ F$ X" C8 O+ G
when <constant_list> then f6 |: p) b) F' B7 p$ W$ d1 Y% `
<statement sequence1>;
$ N; @7 L* [* X7 R+ d. E$ T when <constant_list> then
4 `5 Z+ G L9 `4 Q6 t <statement sequence2>;
4 N# k2 K0 c6 q8 p/ b8 b+ h ...
8 {1 D, \9 l4 H9 o! W. s! z else& T1 V" R/ w1 b7 [4 ^7 r3 o
<statement sequence3>;
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2循环语句
* Q9 r# b. p- i (1) from <statement sequence1>9 l& ^1 y+ {- E
until <condition> loop
- f6 |/ u! N" K1 _) P7 F' X# ` <statement sequence2>;
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(2) while <condition> loop: g* V* u' p( k( J1 N; Q; S3 A
<statement sequence1>;
1 z' b7 ~$ m3 c; N, H0 S8 r1 K8 v0 v end;4 {. R7 f1 y: d" ~+ q/ K# w
(3) repeat 7 B, u% _ M% N$ T
<statement sequence1>;: Z( U' f7 {) x
until <condition>;
! Z9 i% _2 V: g: [/ R3 w( i (4) for <condition> to <condition> loop: `/ ^. i* V8 R
<statement sequence1>;( i' r, h2 S' R5 F# G) {& f5 I$ w
next;0 i. J1 V# X$ l) C
3中断语句4 u ?2 j2 y T9 w+ y
waituntil <condition> prio <integer expression>;4 z t, n* {* _5 R" Y7 Z+ f* m9 ?
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以上为常用的函数！
# \; _7 }$ \2 N& f还有很多，如有需要我把资料发到你邮箱里 ' l9 ?4 E. @4 e8 q! L6 {
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