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发表于 2012-11-13 08:48:12
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1判断语句
9 @1 V1 {* z% [+ ^0 G, |2 |3 W if <condition> then
( ]8 z. H" H. \. Q% h9 x <statement sequence1>;1 F% f6 I& H/ `8 U
elseif <condition> then
: A$ F4 @8 n; v8 M7 m <statement sequence2>;
& g% I' M5 H; D$ |( G# k% { else
; q8 k3 z* V/ { <statement sequence3>;
9 e" Q, f1 H/ c; C i end;
* m' ?$ h! t% f1 A8 J# {; O, T( i如果分支比较多,用:1 j: T. V) z) v' W( b
inspect <expression>
/ @3 L3 U1 j- c N4 ? when <constant_list> then
( ~/ O. k- G% K# b9 X) g <statement sequence1>;
* ~% `1 C4 S6 S2 ~5 g when <constant_list> then
# `9 E. Z- ?' p0 D! `: l6 f <statement sequence2>;6 I8 {* s) F- V2 L
...
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<statement sequence3>;
+ N1 H1 T/ k( Xend;% e8 d; O2 P. j- d0 k; ~
- ^. h9 ~0 h' ~, P" Z2循环语句
" n) x6 h3 C* J3 l5 n% A: Q# ~% U (1) from <statement sequence1>
% J! B8 @# J5 m% K+ ? until <condition> loop
0 {8 T3 b4 r7 u3 g& f <statement sequence2>;4 J N% f6 `! V! Z
end;4 w5 U, J1 b) Q+ O) |# e. _
(2) while <condition> loop! w+ t0 I$ |/ D' M
<statement sequence1>;
5 _2 {4 ^( G, C# a end;
# F l# m( F' I# I4 a (3) repeat # W: C2 }- K4 y0 B5 `) x% R% [
<statement sequence1>;
/ F% Y3 P# i7 \7 G until <condition>;
. q, u8 O( A% P8 ?: b% } (4) for <condition> to <condition> loop
4 z! b. K. j# ~$ Q: s( K$ e6 W2 ^ <statement sequence1>;( c; {5 G1 ^. |8 D" R4 x0 L
next;
, H/ e9 d# b5 m6 s3中断语句9 Y# g1 k* K5 q7 a0 j+ e
waituntil <condition> prio <integer expression>;0 v5 v; Y. ?( m$ I$ E V) ], f3 M
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以上为常用的函数!3 g" U6 a! ]* b3 ^
还有很多,如有需要我把资料发到你邮箱里
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