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发表于 2012-11-13 08:48:12
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1判断语句- O9 n$ J Z: F
if <condition> then
6 W' H; V9 h) Y <statement sequence1>;
/ P( I: b* I* Z8 p: e elseif <condition> then
* |8 i7 S8 [8 c( u/ q <statement sequence2>;
/ d1 l: {) \8 i8 Q, H- \! L2 k2 z9 u else
; Z9 s* H2 ~$ z0 b <statement sequence3>;
* @/ Z& {0 O2 V/ C" g/ [. n4 x4 A end;
& W: B; U6 T+ x1 E9 Y$ _% Q如果分支比较多，用：
1 T8 K; Y0 P. Q8 e inspect <expression>& J w% M: R' h, V; e D
when <constant_list> then$ X% |8 }0 }' |5 j9 X2 M' i
<statement sequence1>;( l2 k9 i, H+ ?" o
when <constant_list> then, g! e% D. W3 K5 G5 C0 f4 m
<statement sequence2>;" v9 i4 g" K: G' E8 g
...; v0 ~. c& ]0 d, h3 r* D$ h
else
! H5 D8 H, c7 R2 j) y2 Q' _; N" g <statement sequence3>;2 U/ d! T8 n# _4 } G" m
end;% b6 \5 p' f" n1 `! @( T
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2循环语句
8 Z0 v8 {. s- O5 V g (1) from <statement sequence1>! g/ Y2 k4 O8 y
until <condition> loop8 u1 q1 P# f0 `% ~( W4 V( Q! p
<statement sequence2>;
3 V$ p; O! l2 m0 Q6 {7 h$ Q end;( Y/ K( y6 E+ L( c, |
(2) while <condition> loop4 Z$ ^, ~; v* D& Q. L
<statement sequence1>;8 x! j5 ?- H7 W! j# e% t! ?
end;6 M$ a E$ r q9 Y, p+ Z
(3) repeat 0 s& D; q/ a; Q2 U \
<statement sequence1>;# J3 L8 \+ e* b! [
until <condition>;
8 [. l7 y/ y, r' n& j1 l' f" U (4) for <condition> to <condition> loop. V. V# l1 x2 g
<statement sequence1>;5 M/ b8 R0 n6 _9 A3 u
next;
5 Z' |9 v9 y7 W7 ^: H; A4 W3中断语句
) _( a$ z( C, B5 o+ \0 ]8 f waituntil <condition> prio <integer expression>;
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k) t- ^9 Y7 T5 w" R/ B) q/ r: F
% A3 y( M7 x+ J8 R5 O, V以上为常用的函数！. R% K* n' T& z+ m9 G4 K
还有很多，如有需要我把资料发到你邮箱里
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