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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 K* H* }' @/ n. n" f0 o
if <condition> then0 d2 ~) j" }( b% M4 x+ C
<statement sequence1>;
9 \. u% p( R! j- z2 ~7 \6 F elseif <condition> then
1 l b- p! }1 `3 g3 U( m! |& B <statement sequence2>;
5 f8 J- r h4 _( E. _: ^& G else
1 D* a/ }( N, U; r* K/ Q! r" W <statement sequence3>;5 I5 j, Z' r" f: t q) x
end;. C- e: N- U& l' e, ?
如果分支比较多，用：! X. l$ ?% R# @- d/ y/ ~1 P3 F
inspect <expression>
6 q" S# p; b, L$ j when <constant_list> then
4 A) @9 z5 H% L <statement sequence1>;
7 V6 s+ I( ~# e2 Q# k4 @0 k when <constant_list> then
4 r3 A. g7 J! w+ ^: v& S <statement sequence2>;
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else
, @' _) p5 [7 f4 j6 ` ~0 a$ K <statement sequence3>;: V/ [4 B0 M6 B ?
end;
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2循环语句' G, }6 \; {( G
(1) from <statement sequence1>$ ]) y. ` d% j% U6 \5 y
until <condition> loop; y% o0 x z( y% n! o
<statement sequence2>;! ?; [, p( D) x" @( p
end;
0 l& e% `: h- }* E- ^ (2) while <condition> loop
# i2 K, `' t/ e9 } <statement sequence1>;. U w t5 Z* O. `! n5 ~# K
end;; }) f; _, D# I
(3) repeat # |1 S* k8 X* m% e; {3 X+ ?: f
<statement sequence1>;. k# f' V. M1 w
until <condition>;! Q6 q8 U! P. e
(4) for <condition> to <condition> loop7 ?8 F: ?; x7 u D. [# m$ R( Y
<statement sequence1>;
. Y a" _0 |9 j: M+ G next;4 B+ b$ \8 R. k3 [: p i
3中断语句
- N6 r; F6 X0 h waituntil <condition> prio <integer expression>;; u1 ~2 ?# ?6 D: y l
3 J3 d" u2 B U3 E5 H
! a' J+ I& g. L以上为常用的函数！9 F' r- a G+ s. O
还有很多，如有需要我把资料发到你邮箱里 + m7 C, p Z/ @; d3 v
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