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发表于 2012-11-13 08:48:12
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1判断语句1 \5 F+ _' J# q' m; ?
if <condition> then' W6 B6 [1 r$ z
<statement sequence1>;: |$ u+ u# K8 c8 ~
elseif <condition> then
8 \8 Q! [- _" w4 W! ~# V9 ] <statement sequence2>;$ K" m9 n/ @2 z) H7 Z
else 8 H6 R; H2 U* I& o3 ?, N
<statement sequence3>;
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如果分支比较多,用:3 i4 H( s$ }- y' q! `6 ]
inspect <expression>" H1 }( ]# X. e7 m5 h
when <constant_list> then
6 f: V6 Q, n. Y; `( t <statement sequence1>;
* y9 y# }. d0 }4 O9 J8 T when <constant_list> then
: z! \ f5 x& n4 X3 E# K6 l4 p <statement sequence2>;
# Y4 p. y7 T( u [; R ...
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<statement sequence3>;. x$ v% {0 m" Q& S5 d+ n: q, R
end;
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$ q6 s& @0 E, {/ v1 Q2循环语句' t2 \& V- A S: f7 C
(1) from <statement sequence1>
9 I' @( o' j+ w) _& q6 h until <condition> loop3 |( u. m% N+ `) o4 a% W
<statement sequence2>;
% k* Q- G# L) Q end;
) p. C Z2 E; D0 \( Z (2) while <condition> loop4 X. ^# z! }% J' r, s! ?; l
<statement sequence1>;6 W& \ ]0 R' q: W
end;
7 k5 v) y4 |" M (3) repeat
# @: W% o. r. I. J8 | <statement sequence1>;
+ M$ C# [: \; V9 c# } until <condition>;
6 |, N8 g5 Q9 P# a. u (4) for <condition> to <condition> loop4 e: i/ X# `" D
<statement sequence1>;
! Z: Z! C# z8 Y2 J" } I1 ] next;: M1 i4 u4 G* n% t7 G2 U% J
3中断语句0 Q% H L; }" W( ]# W& o" r
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
m1 g- t) e+ {, F( v% W" Z还有很多,如有需要我把资料发到你邮箱里 - L7 X) }) q/ Z" v' B1 J! P& D
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