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发表于 2012-11-13 08:48:12
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1判断语句
0 {7 \) [9 V8 Z* ]) Z3 M if <condition> then2 ~" P7 V: e' v' Y! o: m% J* Y
<statement sequence1>;
" Z3 Y _) k4 C& v" k, h2 V4 n% F elseif <condition> then+ |# F! S5 L2 _/ Q! S: f1 ?
<statement sequence2>;6 |- I6 x7 M1 M7 G
else
5 {7 @, d" J- J( U6 A% _4 x <statement sequence3>;
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如果分支比较多,用:! L B. @6 [2 j# @, e9 W8 \
inspect <expression>
3 E2 L! e. ]9 \' R1 C, K6 G9 k when <constant_list> then
& z+ N% W, I) u6 A <statement sequence1>;
; z! Z5 t3 }/ t [- G# Y+ v when <constant_list> then* {. g0 G, ?0 r$ S* R( J6 u( g
<statement sequence2>;
U: F+ }2 i, C& o5 y9 s) o ...
6 M, b8 O) k T7 G% z$ l# Q- } else
% A$ C6 \% w* b7 T; B <statement sequence3>;
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% y9 d: E! e; i2 t0 b2循环语句
{4 K- B: O# J+ {; B/ i (1) from <statement sequence1>
9 O7 u# _0 d6 t until <condition> loop
' Z1 j& x9 f" f3 F# q- M" S <statement sequence2>;' l- ]7 N% Q7 |' M+ ~8 x
end;
. Z/ \0 ?: ?; M* V0 b" Y (2) while <condition> loop
0 h/ E. y$ b8 ]! K% X* H/ B& [ <statement sequence1>;' T- F& x1 S5 ] p$ _8 Y& ?
end;
+ N# T2 ^2 D0 z {3 U; b (3) repeat
j# W, F* G' v <statement sequence1>;
+ I! }( D& R0 l% Q7 e0 J until <condition>;
1 c0 V/ O- p7 p! x# p% ?1 j: z (4) for <condition> to <condition> loop
$ Z4 H' X/ H4 T* F2 }9 Y <statement sequence1>;
4 v3 a; z( @1 q" ^+ r next;
0 _4 P7 S3 I2 `# A1 J( K3 |, H3中断语句2 O/ w7 b- {$ z: W1 x! j9 [
waituntil <condition> prio <integer expression>;
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J/ W7 {# M5 }
以上为常用的函数!
( P: a, P; @3 W! n5 o$ }还有很多,如有需要我把资料发到你邮箱里
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