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发表于 2012-11-13 08:48:12
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1判断语句; x9 O9 d# c6 d/ _: s( {
if <condition> then/ u( Z; H5 B* t/ U
<statement sequence1>;1 q& k* F7 i6 }/ c$ x
elseif <condition> then9 [- w. H$ n: T! v( B
<statement sequence2>;0 F1 q" v# n6 U" F; Q8 n
else ' G, X4 Y7 j1 F$ _' D. w3 @
<statement sequence3>;- G" d& D! t2 q9 H, Y5 f
end;/ H/ t9 m" v$ u9 `# E: U' U
如果分支比较多，用：
% w: x+ o6 }/ y8 u inspect <expression>+ y, e I" v4 q8 T4 p; F0 G
when <constant_list> then, u, E. J* |; T) O5 U0 X6 a2 G
<statement sequence1>;
5 J. I" L# R' j4 a4 c when <constant_list> then
/ {) ^+ \ Z' R" f1 z2 P# M/ G1 `0 k <statement sequence2>;1 M) E8 W( b" i4 b! f; J! [
...* n, l; O, |$ f! t7 \' ]
else" A1 W z2 W& l$ ^" ^; R
<statement sequence3>;; [) b2 `+ c/ F2 m; z
end;& N! Q9 r% N9 S, @* L$ p p
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2循环语句
5 }1 k! {+ D1 j4 O8 `; T2 D2 R% [ (1) from <statement sequence1>
$ w% h8 n4 e- B+ S) _' n$ ? until <condition> loop# G* Y( z+ N1 d
<statement sequence2>;7 s6 R! k$ n8 A- @
end;# J1 q: x% Y: T' U
(2) while <condition> loop2 y8 K1 X5 v1 z. D0 g3 K
<statement sequence1>;8 i' @& r& \2 T8 I
end;: s" ] j9 `0 g8 a
(3) repeat
" _/ h! P$ S) v( l& K <statement sequence1>;
. d1 z- Q+ ^: p% Y8 p until <condition>;; n6 w- A; \& b9 F3 u( N
(4) for <condition> to <condition> loop
t) h8 r |4 b& p* l' `" c <statement sequence1>;& s' j$ o3 ]& t8 V, g9 j7 i
next;
- q3 ^4 i& T3 {% n6 s5 u8 W. h4 r3中断语句$ F/ [* D2 k# l5 `/ n
waituntil <condition> prio <integer expression>;* D! a6 n P, p- o
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2 L& t' C0 x; j5 e+ ^; r; V! b以上为常用的函数！
; d$ `0 Q* s- K8 l% e, [还有很多，如有需要我把资料发到你邮箱里
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