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发表于 2012-11-13 08:48:12
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1判断语句3 v, I _- p- e3 \2 J, S! V
if <condition> then
" g& ~, ]* N' H2 h <statement sequence1>;! l& V# _5 Q/ W& g2 I |# q4 z# }
elseif <condition> then
' Z& V, d G# e+ M7 o. x. G& W( p <statement sequence2>;0 Y! u! X" ~8 T8 N; J8 g
else 7 _, c+ U; t# E7 T; l. T
<statement sequence3>;
* e' _- i. o C0 s6 R end;
/ \3 Y8 G- Y& x如果分支比较多，用：+ E& _: B9 N$ w- p9 q
inspect <expression>
- H% D) Z+ i8 g( o! [& ~ when <constant_list> then9 A8 }7 ]0 i" t r- c
<statement sequence1>;0 g5 m7 T5 b' J- J% F" b1 [
when <constant_list> then8 J! x+ ^$ y8 I
<statement sequence2>;' L" I- W; p$ e
...
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<statement sequence3>;0 E/ o- L+ ], l' Z# I
end;4 V# N2 z, V' T7 ]7 I+ U0 w" L
/ W2 [. l( B: T5 D4 \2循环语句; [. E D" v. ?+ Q
(1) from <statement sequence1>
N7 i+ e# `8 t until <condition> loop: p& z* S2 i$ N( T% X9 u: [' p
<statement sequence2>;* P, u& T6 ^6 F# X& q6 v7 `
end; g" ?1 S8 J6 v; ~- n) W. y
(2) while <condition> loop
$ n( H. `: J: N& O <statement sequence1>;
: B: ?( f* g O' }5 y6 T4 Q end;
' k- @% x5 z! u7 A6 d2 Q3 k) B( x (3) repeat + O& L/ D2 w# U# T5 O6 b
<statement sequence1>;
) O. I7 w8 S0 S4 c until <condition>;
% P1 J3 C0 i3 B3 l X! f' V (4) for <condition> to <condition> loop7 p+ @+ a( l# t& G: [, F
<statement sequence1>;0 X) i# d$ z2 a/ s4 B
next;5 w, D* A1 U/ k8 U, m
3中断语句
3 u: q6 ^* E/ K1 q waituntil <condition> prio <integer expression>;. H5 Z9 D: u9 K! d/ o9 @2 ?
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以上为常用的函数！' [4 q8 O' [; p1 P; A$ _
还有很多，如有需要我把资料发到你邮箱里
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