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发表于 2012-11-13 08:48:12
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1判断语句; I+ U1 Y/ l8 e0 W
if <condition> then" q9 _. N( |( p) g( B; f
<statement sequence1>;" Y3 @) w. A" l2 N6 u1 B- x' [0 R
elseif <condition> then: D \% y- x6 ]: o+ I" I9 x+ @# k
<statement sequence2>;5 Q4 C" h# [5 _7 S5 [* H$ c: }- p9 T
else 5 }6 P. Q9 R/ G" H6 t3 A, z+ u
<statement sequence3>;5 Y6 G' k. q g2 B4 E
end;& \' x' q+ n3 O3 |& L
如果分支比较多,用:
: s3 U/ c& A2 _# | inspect <expression>
! I, f1 v' {4 S' O* k. M when <constant_list> then+ o! ?0 P4 U' U6 G- [: h `% u* V
<statement sequence1>;
8 z' O9 P) z% f+ e3 l6 t when <constant_list> then/ i6 g# ]6 E/ x# ^1 N! z" n* x
<statement sequence2>;/ \& L' S6 ?7 O% _2 z+ U
...
8 U' ~5 X7 D& e( t1 I else
, `! @3 B0 f, ?5 A$ P6 }0 `. J <statement sequence3>;
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2循环语句0 T/ |, v6 @- F0 O% f5 H
(1) from <statement sequence1>
4 M' d* A+ f3 g' p( f* x1 c until <condition> loop- x* S+ t2 D2 P) p) |+ @9 D8 O
<statement sequence2>;
1 G8 a9 X4 i1 ]/ G6 F' D0 l7 a end;) m+ [, G+ W |) S) _! p9 c
(2) while <condition> loop, H, I( J2 ?" e0 i. J) S; y" N F6 g N
<statement sequence1>;
7 ?6 a) R" X2 q( V$ y9 p! S end;
( M: C- P/ b; [) ~ (3) repeat 4 P. q4 n- \2 I+ l& Q: [
<statement sequence1>;
3 n* j+ J0 l6 ^* C until <condition>;
& A! n. F# \9 q* Y (4) for <condition> to <condition> loop0 {4 Y& [( I3 c
<statement sequence1>; Y% H7 H! j3 c/ N) N
next;1 q0 j: K! n* a: g. O
3中断语句- P/ K' y* Y8 M9 {
waituntil <condition> prio <integer expression>;1 c. w; H* W/ W
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以上为常用的函数!
# |' v9 j$ |8 E2 t# ?* v0 D& Z还有很多,如有需要我把资料发到你邮箱里
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