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发表于 2012-11-13 08:48:12
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1判断语句
8 m5 r3 Q- G/ L* J7 D o if <condition> then+ g: d0 @0 a# R; F! a8 J" w( `
<statement sequence1>;. V5 x5 _; f7 q% g- i/ L
elseif <condition> then
M3 [9 `9 T$ V <statement sequence2>;
+ T8 x& ?5 w! V8 o3 x6 @( x else 5 W% V8 m, c: B
<statement sequence3>;( x3 D1 u4 m; a1 q% b
end;, V, m, }+ i$ n4 S. m" Z( \
如果分支比较多，用：5 O! D' W. O9 J9 ?/ r
inspect <expression>
4 |" w- s# M$ q. U; Q0 Z- s0 S when <constant_list> then
! b% H7 U5 V* Y/ s' T( [( [ <statement sequence1>;. v M1 E2 l1 [& F+ i
when <constant_list> then: H1 h% {1 I9 J7 r, D1 `1 C# p
<statement sequence2>;$ V& R2 S1 e3 _# B1 {- z
.../ E3 _# V" K9 G: G6 i
else/ D k. Y$ c3 m. F$ X( Z& V
<statement sequence3>;
% |* |3 W$ C. o1 xend;" K: K( g& d9 k+ _" C3 ^3 [
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2循环语句
) h0 m, j( v6 }! J& T) \- w (1) from <statement sequence1>
, q/ e& O; n: L. @ until <condition> loop
) f. \0 G. I, t5 b1 x7 \2 I <statement sequence2>;5 z6 o8 ^; i! X
end;
, _# V* @% f! c4 s% L (2) while <condition> loop0 R1 s: b6 D7 I5 T9 d
<statement sequence1>;
. f* ^! r) @' |) h1 G end;
' m0 e. |7 K/ G: i' \, w V (3) repeat
# _4 w! B: l. V' \0 D- z <statement sequence1>;
; d3 s: o9 r/ d until <condition>;: U: K* A( {9 A
(4) for <condition> to <condition> loop* K# S0 q9 ?( Y& Q
<statement sequence1>;4 f$ Y' w" E* X$ S: ?: I
next;# v% b/ ]6 Q# r
3中断语句+ D8 ?9 m$ g+ j" o- J7 N# p' E
waituntil <condition> prio <integer expression>;
/ B1 r: o( N& t( R9 y
3 ^( l4 E' H2 Y5 n0 {6 Y- j1 x6 Z% y9 O+ J% ?) U7 q! N
以上为常用的函数！
! g8 t y# C% D, o- i还有很多，如有需要我把资料发到你邮箱里
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