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发表于 2012-11-13 08:48:12
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1判断语句" K' \* t& V2 s y9 i
if <condition> then
; \# [" M5 b. z& W% t; K <statement sequence1>;- Y0 x) R& i1 ~ }8 u. J4 R
elseif <condition> then& u& m& @* a2 u3 i+ e( a: E
<statement sequence2>;
* K# C$ u; e, U else
1 f2 D: V& V2 T <statement sequence3>;1 `8 L1 z# Z+ H2 E
end;. A7 A/ V) Q2 \' {( L# f ~% l7 W
如果分支比较多，用：! k$ A- S0 O% ^6 `- z$ @
inspect <expression># Y# d D+ b# x( r$ _& m" f {
when <constant_list> then
! q: `5 x3 o( z$ [$ d <statement sequence1>;. T" }3 L1 [5 p. p7 `9 n
when <constant_list> then9 W9 }) P, s4 Z/ \7 n7 K+ e( q; a
<statement sequence2>;
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else* D7 h2 S) J W* Q2 d0 x! M
<statement sequence3>;( Y7 C+ T2 f. q/ J; G* }' W
end;& Z3 ^/ _' }2 j% T
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2循环语句
7 L# O* G! O0 D, ` (1) from <statement sequence1>; Y5 O/ L# {: A2 U
until <condition> loop
9 v9 k6 z0 h* H9 H <statement sequence2>;
2 h/ E, _4 R$ h3 P. f9 ~ C# g end;
4 p1 E$ S( a& M) L (2) while <condition> loop0 g' L |1 h) g
<statement sequence1>;% b+ W. ~2 R/ ] o( k
end;6 b5 b! ~1 V- T3 q7 C
(3) repeat
& T$ I7 a4 [! O <statement sequence1>;
* ~4 `- _; F7 K9 d7 g until <condition>;
% G, g2 l- g& i, l (4) for <condition> to <condition> loop
& f J% a0 E8 P# H' t: m <statement sequence1>;; D' {8 B; z$ `8 ]1 ?$ N5 u
next;4 \: g' c! X2 a
3中断语句
$ |: | L& y3 {$ p! X& [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！6 ]- J- C+ `- |
还有很多，如有需要我把资料发到你邮箱里
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