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发表于 2012-11-13 08:48:12
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1判断语句
$ [) D3 M4 c8 u- e/ d) [. | if <condition> then0 ]0 Y/ V) v1 a, r
<statement sequence1>;; Q" J, j W) M* w# x' n
elseif <condition> then* u( C* k* i$ Q# c. U) D1 X
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
9 i5 I& G' B" P inspect <expression>
( f* \% b7 o2 \ when <constant_list> then& J* i2 H) m5 }4 b5 g3 F0 ]
<statement sequence1>;
8 `& [) D; f" Y when <constant_list> then
) f, P2 V) T6 a8 u7 g& q <statement sequence2>;
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else
w6 E. ]* b1 m" f; b <statement sequence3>;, |' i! k( E5 Z/ y6 \& V+ A
end;3 y6 v/ n6 V; Q4 ~ h
# l" B! a, F/ d! j; C1 n P' \+ m5 ?# |2循环语句
9 s C% ?2 b" l$ A ^/ e2 m4 T (1) from <statement sequence1>
4 \/ Z% p' j) k) ~. c4 j) |) f% ` until <condition> loop! Q$ ~& N: Z# W* P
<statement sequence2>;
e5 B# g" @& D! [- X! N end;
% O' W8 S$ |0 D9 c3 n, ~# O8 n (2) while <condition> loop6 P5 ]) O. g4 Y
<statement sequence1>;' A1 }% w c% j# d; U4 C
end;
' @$ ^" d1 H {4 Z8 B- | (3) repeat
. |' T, l+ H% Y# B2 G+ M <statement sequence1>;: z( z# V1 T, X, T
until <condition>;
/ E# L2 p6 |6 N+ L" D (4) for <condition> to <condition> loop
: Q' M) K& @& i, B% T <statement sequence1>;
: ?- |( F! C3 ^) h. e next;3 n' q6 S; W6 @) n, g$ s3 V
3中断语句0 W3 B0 J+ [7 ^- k' x' l! K& C
waituntil <condition> prio <integer expression>;
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以上为常用的函数！( F+ i {* W- V( l I T5 z
还有很多，如有需要我把资料发到你邮箱里
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