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发表于 2012-11-13 08:48:12
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1判断语句+ ~" V5 X- T+ l* m
if <condition> then4 ]( Q. `" [3 R+ s0 u5 p
<statement sequence1>;8 y1 {; E$ [$ v) e
elseif <condition> then
: x+ a; R) h% f& O2 H( |& Z$ ] <statement sequence2>;
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<statement sequence3>;) y8 [1 @6 Q" h7 {! N' S/ J
end;# e. M3 ]$ ~3 y6 k
如果分支比较多，用：
1 A/ Z% w, V5 O6 j inspect <expression>3 n" z% y# f* U7 O. I6 |: r$ I
when <constant_list> then% e! o) n0 i2 A. f2 ~4 ]- \
<statement sequence1>;! Y( k/ c: C4 ~) G! d
when <constant_list> then
! B; T! B& Y1 j/ {5 A; [ <statement sequence2>;) A) f+ n! m! M
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else$ f7 _6 j9 w2 P- y: a, z, V
<statement sequence3>;
8 \( e6 F) u- }( Z+ O+ zend;
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( z" _2 h% a$ v1 }: s3 g& W2循环语句0 w6 y$ g( P/ m. g0 l% [- k
(1) from <statement sequence1>
}4 X" f1 ~+ T& I6 U until <condition> loop
( g" r( @/ J+ O. C: I5 ~ <statement sequence2>;
$ \! W, N! B8 K% A3 u# \ end;
1 s: Q6 ?/ T- e- g (2) while <condition> loop3 r& T7 u5 s% ^6 S3 g
<statement sequence1>;
' ^0 P0 Q) v' y+ a& I end;4 u, ~/ x, J9 n. i
(3) repeat - x. k( ?( Y4 a4 l" M' b3 s1 M
<statement sequence1>;0 B( i5 f" L8 l& I( \ N
until <condition>;" u6 U9 M! ~8 o/ m6 ~+ ?2 N
(4) for <condition> to <condition> loop
) D8 Z7 O% U" Q8 p: A5 r. X) _. P <statement sequence1>;: c% s' }- j$ D2 o! A, z# B
next;
3 G- d( U/ w% ?/ H3中断语句# g3 [+ T* Y* T/ w& C# T
waituntil <condition> prio <integer expression>;
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以上为常用的函数！, k% m- l: w! k
还有很多，如有需要我把资料发到你邮箱里
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