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发表于 2012-11-13 08:48:12
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1判断语句
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3 K4 G. U6 q$ h0 G/ P) t <statement sequence1>;- t) K9 h8 R" [+ S) [
elseif <condition> then5 C$ D4 ^' F$ d: B8 s% [
<statement sequence2>;- }' L9 T0 P$ c. D* p7 I. W B
else f4 A6 T. _' d0 x2 ~ w$ m# {( T
<statement sequence3>;$ H8 Y- y, d; Q& d% q. X. t
end;
7 S$ [4 o' I- _" ]/ N) @5 Z% ?如果分支比较多,用:. I6 j, C! j! {" f7 C3 I5 J
inspect <expression>& Z* F/ K* _: {" x4 |
when <constant_list> then
/ ? J! V7 G( i9 C <statement sequence1>;9 x" w( e9 A+ K, z0 ^% p
when <constant_list> then
7 J) S; C- M3 [ <statement sequence2>;
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9 d4 O$ N2 z" G2 T4 u else
7 O1 Q. m1 G9 H3 O+ ` <statement sequence3>;' D$ m3 H5 l* l3 |+ w: l) Z
end;; x/ i# |% E, v
' V) d* C3 H8 ~/ Q7 j2循环语句
( z& p. c3 c$ X; v8 o (1) from <statement sequence1>
$ n/ H: z5 ~# W* H) x% u! E until <condition> loop: k5 B" D4 I, u! X
<statement sequence2>;( g. [8 J* Z4 H0 ~
end;
, F1 J' y) ?+ d (2) while <condition> loop
% v$ Y" `3 y! D0 P <statement sequence1>;% Q$ }: V- s9 m' _" u
end;5 q/ [; u4 ~: U' ?0 `! a
(3) repeat 2 B1 ^4 e8 w. e o
<statement sequence1>;
1 ~! h' L* N: ^0 o! Z until <condition>;7 _( O$ r `0 T5 f7 l' }# x7 ^4 \
(4) for <condition> to <condition> loop9 b% l3 ~& G, Q3 k# A
<statement sequence1>;' P; s# v! `5 I& @. M5 C9 r
next;' H4 Q4 l( ]+ C0 C5 O# E
3中断语句3 V1 K f$ P& v5 O, o
waituntil <condition> prio <integer expression>; f @/ \1 r, @4 L# e) R
" p& F% B) {" d
0 _& V* T7 l; O; Q% Z$ [ c以上为常用的函数!
+ p1 T/ h9 n& L3 \2 X! K; o还有很多,如有需要我把资料发到你邮箱里
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