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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
6 f+ g/ Q# _ W* g) _' p. | p* l if <condition> then
$ B; R8 n; R3 I- x9 M, G% \ <statement sequence1>;" b/ H/ T' U, N- s. p& M2 t7 d; c
elseif <condition> then/ K' T; f$ w% k5 @5 _0 g
<statement sequence2>;
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<statement sequence3>;( k5 {1 H/ c: R3 ~! B( a! t
end;
# N' t! s) R" I8 [# e B如果分支比较多，用：
/ l9 B5 ^: R1 f$ l3 k inspect <expression>* m) ` v7 ?% c2 V# w2 \
when <constant_list> then: w& x$ [5 x( G. E
<statement sequence1>;
) I& K/ c2 o2 n. m# v' ?' e when <constant_list> then
3 I# [/ }0 m# M! g Y: ` <statement sequence2>;) G: h" s+ @2 c7 Y9 `( n4 V
...) ^2 f8 N3 G; n0 ^1 r
else
2 C; w& i4 j; G6 Z+ s <statement sequence3>;+ j( S6 B+ L+ L/ R
end;
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2循环语句
b0 X# i3 K% }- M! B h, R (1) from <statement sequence1>8 Z7 D- I' }( Y3 r O" y2 g/ U
until <condition> loop
4 m! h1 Z8 {1 i. n0 v% G <statement sequence2>;; @- k! G/ k# T B; Q( o$ a3 N+ z6 {
end;
0 W% f* M& _8 v8 L; ^1 \# K% ~ (2) while <condition> loop
/ g% j3 X7 J# r7 r6 ? <statement sequence1>;* t3 J" y9 K- b$ C
end;
% Z: n% K- k& L: X6 L (3) repeat
( Z$ ?! b! f) z* T& N <statement sequence1>;4 _1 v" j# E4 u3 v0 T$ t
until <condition>;
' J! [& e7 z' y1 k9 A6 B2 z% c. I (4) for <condition> to <condition> loop8 G5 c+ k) s3 W7 P/ C1 J& k$ k9 F
<statement sequence1>;6 e) \4 U' s8 F1 v5 s' e' a! y
next;3 z$ c) p& `! u% I( v
3中断语句
' G R% \# j# ~5 m: C; ? waituntil <condition> prio <integer expression>;; ]" i; n0 x5 f% h/ x2 r+ j: Z9 y
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以上为常用的函数！
: `. r1 e# {9 H |9 I' F, I. _还有很多，如有需要我把资料发到你邮箱里
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