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发表于 2012-11-13 08:48:12
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1判断语句6 M6 I) a+ f/ Q" c; O+ { R
if <condition> then+ D2 O4 G! y. y+ Y% H
<statement sequence1>;
: l. v& f* ^( T" s1 M0 n elseif <condition> then' W" R$ p! g; v" r1 a
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:* u3 C& J& o! R& u) \8 ?
inspect <expression> y- {, L7 b; C' n* g% T, E# i" K
when <constant_list> then
" M8 z* Y& g' y! c, |3 [8 P <statement sequence1>;4 V j; F8 w' `; q$ Z
when <constant_list> then* M1 U3 t( P ~ I
<statement sequence2>;! f* T" J8 r, M) Z* h
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else* N. C r' h3 R: \, L9 q' q
<statement sequence3>;
! }" T) Z9 f( C$ mend;' [" M" ^( D/ X5 J* h. U; c1 C# z
% q# O& T% d8 a2循环语句
1 ~* W0 B' Y* `1 v1 }: o (1) from <statement sequence1>
6 m' t4 ~6 [ F# U: ^ until <condition> loop
0 [" W% W; |' H+ Z* b8 j <statement sequence2>;9 `* R; D' F+ ~# W
end;; U( {! i& |3 w O+ [
(2) while <condition> loop
- F0 r( U, A$ ?1 E3 F$ ~1 T <statement sequence1>;5 U! J$ V( B6 E4 V- o/ T
end;9 y$ ^% {- O: W7 ^% O1 P/ [: V9 y: R( g
(3) repeat : ^, F% ?- \$ m; t7 k) v0 _/ E+ t! I
<statement sequence1>;
# i6 D4 [* {4 W: c3 e until <condition>;
) ^4 @9 |. Q" C" \+ z, J6 Q (4) for <condition> to <condition> loop
+ Q: t2 h3 O# `( q8 |1 ]' c <statement sequence1>;
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3中断语句
5 l2 a3 G, u- g, K+ F waituntil <condition> prio <integer expression>;
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以上为常用的函数!( `2 q( H, m; r2 ?" R, D6 @
还有很多,如有需要我把资料发到你邮箱里
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