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发表于 2012-11-13 08:48:12
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1判断语句
9 b! q, v& `" s/ W" e if <condition> then8 y9 q0 x' O1 x
<statement sequence1>;
& y& A# w1 `$ ^$ W4 R elseif <condition> then
& r/ W* ?) b8 ]: n <statement sequence2>;
6 _& ~- Z% Z+ D+ L1 o) o% K* U else
$ |) S) c+ e* w, y, a' ]! Z <statement sequence3>;; B1 ]4 }( L% F1 o% C ?; Z
end;
+ c3 `. X% P8 t0 N7 _$ i4 w( y如果分支比较多,用:. w6 u7 s3 f1 {0 I3 H% A4 P
inspect <expression>$ y0 J# j* I- F: M% i' C$ g
when <constant_list> then- q2 E( p p5 a# a; Z
<statement sequence1>;3 {9 I: |! G! b' p0 L# _% z* }
when <constant_list> then. I% F$ h1 @7 B( T/ ?$ Q4 S
<statement sequence2>;8 Z/ d7 y, q3 } r/ l( N, y z7 W9 e
...
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<statement sequence3>;
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2循环语句3 B" z$ W% b" a# ~7 X4 {" P
(1) from <statement sequence1>
. a; _& ^* T0 z0 F8 b. `# F& S until <condition> loop8 I6 ^. Q i* G
<statement sequence2>;
9 A8 s2 ^) n/ j* s end;
6 l+ ]' x3 c1 g+ ? (2) while <condition> loop* j8 S+ h$ O' D
<statement sequence1>;/ t: I0 U' w$ |2 Q( s9 J
end;) p5 b: d$ u; _# e
(3) repeat
Q D0 |4 Y' ~4 B <statement sequence1>;
0 ^" F& `5 A# J' ? until <condition>;. a, I# j9 w/ _* v6 d- \
(4) for <condition> to <condition> loop
- R6 E; h+ G& W <statement sequence1>;
, H) W/ R0 w" g' {& O next;0 d) }/ L: s; G' b# b
3中断语句
9 M: {- K' t* m m waituntil <condition> prio <integer expression>;
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以上为常用的函数!
1 L1 L# T; @# T% D. ^6 R% u: ]还有很多,如有需要我把资料发到你邮箱里
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