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发表于 2012-11-13 08:48:12
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1判断语句" q( R- t4 R. g' d0 V$ a6 n; ]
if <condition> then
- ]1 \" \3 R# U' P' a! H <statement sequence1>;
7 U. y" y$ l9 i/ y9 ~. j) @ elseif <condition> then
; Y# D6 _4 L6 {4 G1 U <statement sequence2>;
" v( ]& ~ {0 z2 p& U% L& s else
P# z1 _) d: n( k. m <statement sequence3>;6 | s, V6 w: O$ x9 g% P3 B; J
end;
+ X' b% c2 ?1 b3 b7 F9 ~* y/ C1 R如果分支比较多，用：+ |# e0 O3 T4 _3 y
inspect <expression>
5 F V, \ b9 R when <constant_list> then0 Z; K. J/ S: e+ K* p& o# J
<statement sequence1>;* t7 C( s3 N2 X" D+ Z
when <constant_list> then" e+ D9 |& U* C$ O* y# _8 n
<statement sequence2>;
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else i# {5 {- [7 M3 G& b
<statement sequence3>;
$ A2 q) A- {' d {& Y+ Q4 aend;
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2循环语句
4 M' \. o8 R/ y: W1 V1 s0 M' k6 P* C (1) from <statement sequence1>! w. J8 [& X4 ]* J+ j; A
until <condition> loop) T" N7 I- a8 a
<statement sequence2>;- P) V4 D& s G( w* x( F% Y0 j
end;
& @& g3 e) ~, J$ U( f# _& I (2) while <condition> loop
$ |/ x0 H) B9 }% _" A <statement sequence1>;
4 ^7 D8 Q3 p2 Q$ A* w/ g7 C5 L* | end;' V+ b) e! k' s3 a: T* O' z
(3) repeat : r$ Z) r: L) J+ u
<statement sequence1>;' X4 X0 Y0 s0 L3 ]& w6 d) Q
until <condition>;
3 W% D. X O; M# J9 ? (4) for <condition> to <condition> loop
* M- W8 V! j/ x* y <statement sequence1>;
, O# r: \3 F; U next;
/ U9 B, a% u: e1 B$ Y3中断语句* R4 Q" v/ E4 J" L$ ?' R4 C
waituntil <condition> prio <integer expression>;
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) f& g% z+ r- @) ^0 o( o7 y) A以上为常用的函数！- o' J' b/ l. N6 k' H, Q
还有很多，如有需要我把资料发到你邮箱里 ! P* c2 ~. h# Z$ G6 v
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