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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 U5 k; l7 H: G8 t if <condition> then
' r/ T( `4 G5 t <statement sequence1>;4 J: S6 d8 `, N. B5 B8 ~
elseif <condition> then
- ^8 y: f4 |7 j <statement sequence2>;* X" J! v) Y9 J6 x9 g
else 8 G; u9 W8 T% O" D/ V9 @" w# H
<statement sequence3>;
- f; J( w7 @- r4 k# F* ~7 A( J end;. ]- x( ?/ M8 r$ h
如果分支比较多，用：; ]1 I1 N4 b% p; b; ] s7 \4 J
inspect <expression>
/ o( E2 z( z8 A/ Z( [ when <constant_list> then
. z1 P$ y$ B$ C& h+ c$ N& [# l <statement sequence1>;& a3 P' n" S. a& G
when <constant_list> then
; s' o3 I% ]/ }4 a, M3 n3 L5 j <statement sequence2>;/ `* [+ R2 j' T9 \& I* L1 g( N
...
- N( X$ I* R- I! _8 o' B" j% v else
5 {6 o6 P- u0 y+ A$ z; D <statement sequence3>;
1 ?7 u6 ?* Z- S5 C, x3 Send;
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2循环语句
u8 K3 [0 |# t6 o- N `: p (1) from <statement sequence1>
! Q: |! e1 z6 L; [' T until <condition> loop
9 ^* R5 i; w9 g" K! Y <statement sequence2>;
- v% X( x8 o8 D( e _ end;+ N# K% M- E, c% H/ y, A' R
(2) while <condition> loop
0 u c' A! Y2 [& g* K* S- j8 M+ v <statement sequence1>;
. }) P* _2 U4 y9 Q O- K5 j end;3 A+ Q2 s8 y& K( J1 x# r
(3) repeat ) `- H- i3 E5 I$ a) @! x
<statement sequence1>;4 O2 [# O. |, P6 ~3 x6 w. A
until <condition>;+ |' L7 Y( y' ]7 X: {
(4) for <condition> to <condition> loop1 H. u; d! z/ p* g
<statement sequence1>;' c7 l' k3 a: M, ^; s2 ~. k
next;# A/ l2 p: b% M
3中断语句1 E7 _& r- x) k B
waituntil <condition> prio <integer expression>;5 W" d4 B3 r5 s/ U6 {! k
$ ~8 G- l S! }# c6 s5 P4 e
& X, y3 J4 f7 ]$ P: F% k, n以上为常用的函数！
. [: Y8 {- A6 e5 W% Z% ~6 K; I还有很多，如有需要我把资料发到你邮箱里 1 Q& Q% Q7 j7 D R$ U) I
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