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发表于 2012-11-13 08:48:12
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1判断语句4 Y/ h& I* B, P5 C& l
if <condition> then
! E% N, l' g; J2 l4 F9 `; y! o <statement sequence1>;
9 ~* t* [7 J A( s elseif <condition> then& x5 @& l' E! k! b' \7 f
<statement sequence2>;
9 W) {# h9 o1 a. f1 |/ h8 K# d7 y else
, U6 Q) U4 P0 z <statement sequence3>;
% q& @& f" M5 j; y A1 i \. r end;
; h; w3 Y8 R+ R2 T/ P3 N; _如果分支比较多，用：( M. g0 g7 z- {: V6 f
inspect <expression>% f5 W9 Q, u+ j- Z
when <constant_list> then4 x- t* n+ K* r: A* O: ~# i
<statement sequence1>;# L- _/ d- t- r
when <constant_list> then
9 M4 M6 x, ~, x4 J% F: u+ R <statement sequence2>;
( {4 e! ~2 I1 u, Z8 D ...
" F) Q3 N- i$ k! x& ^6 N! G else
- ?, b6 M S6 u, P5 B: h! H' W <statement sequence3>;: z7 [ C# K4 x7 H% _
end;
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& k/ a; V: p' R, r* v1 t5 ~2循环语句# \! _ `9 Y2 d& c0 t0 J7 {8 S
(1) from <statement sequence1>
2 n+ v; e% T4 J+ p until <condition> loop
. ?: `1 Z$ D9 V- s4 U! W R <statement sequence2>;
4 g7 n6 f: j4 p' }" i end;
( h9 ]! n, H$ l* i (2) while <condition> loop
8 W. i; ~8 S/ K/ P. h <statement sequence1>;
! L2 \4 z! G; a' L l g end;
$ ]2 s8 N0 i# ? (3) repeat
/ c7 x3 H8 [& B <statement sequence1>;
0 |% ]" o+ l3 a; `& G7 Q) b8 P until <condition>;
$ U, B8 [' `3 f (4) for <condition> to <condition> loop7 n7 J( R( S/ H5 ? D; R- P1 i
<statement sequence1>;6 X$ z" P- z, P; A; @1 K4 c
next;! D4 d8 A! |: `- S& X# C9 C
3中断语句1 l, N+ q. Q' z! K2 j. t
waituntil <condition> prio <integer expression>; A) K1 _0 ^% P+ ?
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+ h! X5 d1 G! z/ o0 G以上为常用的函数！8 e8 _+ i) o- M$ {+ S- b
还有很多，如有需要我把资料发到你邮箱里
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