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发表于 2012-11-13 08:48:12
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1判断语句5 q0 V+ H/ J! ?2 W& Y
if <condition> then
4 |* p& e# g7 e5 @" v <statement sequence1>;$ o& N% [3 a% [# ?4 r
elseif <condition> then% \: Q# S2 O/ J8 Q
<statement sequence2>;
9 \2 T0 |: q+ c3 ^7 c( {4 g0 n. } else
; Y$ i. ~- c: C/ x: g <statement sequence3>;/ B4 ?: C3 ~9 ^ i$ J: I, L
end;; R; W6 M, ~) h5 ] m
如果分支比较多,用:: m9 j+ _- {* h$ x- d
inspect <expression>+ W. J3 J) m+ e0 y2 U
when <constant_list> then0 G' v, d. I$ X/ _) `/ F
<statement sequence1>;" E% R1 B; F* b# T# @; R
when <constant_list> then
5 C- H$ ?( [& Z+ P! C5 s <statement sequence2>;
, O F, p2 K7 O9 z ...
6 l; {% o3 z; S+ L. p9 D8 C* M& n else
+ e, O3 K/ j0 N0 {' y" p+ ^ <statement sequence3>;
( o" k9 R4 E& j/ p! y' [# \end;
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2循环语句
: ~1 G D- g. A* }9 f: S (1) from <statement sequence1>$ ?: e5 z, ]/ b4 }# q- _
until <condition> loop
8 \, S4 l( [* a <statement sequence2>;2 J+ q5 E/ H, l0 A) x3 |
end;, a# D/ S0 k1 c1 @; J# m. O
(2) while <condition> loop9 b$ d* G0 _. o% W
<statement sequence1>;
9 G7 ~3 u9 v2 V T end;& y9 i6 ]3 R2 u7 f9 I( D
(3) repeat
7 y8 f) W e8 ]$ D <statement sequence1>;- B$ ?2 a4 Q" F5 I
until <condition>;
6 f, D* Z9 M( N (4) for <condition> to <condition> loop9 L- G2 p' y2 L3 z/ b+ s
<statement sequence1>;
$ g5 \1 C2 t) r2 i next;; j/ I5 t6 n; e/ }# Y1 f
3中断语句
. L, b) H' _8 u- v8 K) h1 H waituntil <condition> prio <integer expression>;
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以上为常用的函数!9 {; V9 q7 R0 b" T. a4 u% l; A4 u: ]& @+ F
还有很多,如有需要我把资料发到你邮箱里 " ~# r' \. T9 x% q$ c! i
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