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发表于 2012-11-13 08:48:12
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1判断语句9 p9 @/ J5 m8 G
if <condition> then
; T, C# [' N4 P0 s% ~% @ <statement sequence1>;' r4 G2 |2 h* v: x. e9 a8 X$ U
elseif <condition> then
# w- a* I' d' B8 ]) p <statement sequence2>;
' d& {' ]' q. C- e9 [ else 6 `. R1 w( o8 I! P, A# j
<statement sequence3>;
7 q6 Z& B5 ~# Y, J end;, W4 J9 S$ f7 D* U
如果分支比较多，用：
6 A. l$ `2 L: p/ G% D inspect <expression># ]4 W/ b' U0 B* r
when <constant_list> then
. Z' |8 q! L: s' i <statement sequence1>;8 a" Y" \# U( Z+ U, f/ G
when <constant_list> then
7 n$ y+ j( D! M" i4 u( t8 { <statement sequence2>;
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else
) u/ Q) |0 F( N4 ]/ K! g Y <statement sequence3>;5 [8 E* r$ O+ J: E: @
end;( c' v' `6 Z3 w6 Z3 r' P$ f! O6 W
0 ~ e F6 z+ F" ^1 X: E2循环语句
4 z( w6 L) g+ l( m+ X8 s4 D$ H- k (1) from <statement sequence1>
$ `: T& w p9 V7 M0 q' _( c until <condition> loop% Z2 r8 {6 a4 s4 X( ^- [, j4 B
<statement sequence2>;
2 K$ I ?/ f; Y }0 z end;4 {' s3 m5 P" N0 ?- M1 D/ \, I
(2) while <condition> loop
6 y P" b/ q6 C <statement sequence1>;1 T1 p- x1 R' P" o% R. \( F! @
end;9 Q% n: i& t S
(3) repeat + t* ^) B- ?4 m9 u" l
<statement sequence1>;
+ ~$ q% R" j- K2 J# _ until <condition>;0 q j) V2 [7 M' W: {
(4) for <condition> to <condition> loop. ]6 g- i2 M& [3 N+ V1 \) k
<statement sequence1>;
6 ~# W( y1 T% _/ o$ `& P: j next;. _$ Y. o9 h! Z9 o( O* [
3中断语句
* I: i" g. ` w0 Y( m4 C waituntil <condition> prio <integer expression>;4 n" s, L8 Z2 |5 b3 e# F7 k6 K& _
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% e& N4 [. v/ y, w- _以上为常用的函数！
" V- d( k0 _5 s; E; N7 R还有很多，如有需要我把资料发到你邮箱里 3 l4 G: _5 P8 q0 Q& A
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