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发表于 2012-11-13 08:48:12
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1判断语句2 n4 E" v- Y$ b; X/ V
if <condition> then
: r( \; [. ^5 F9 Y( }8 K B <statement sequence1>;
2 q; D. A9 @0 @5 i, D2 y/ g elseif <condition> then4 E) X+ J y. f
<statement sequence2>;
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<statement sequence3>;
{2 ]8 B' V0 B0 X end;$ t6 } s2 \9 X1 j4 i. G4 P' _7 `
如果分支比较多，用：
% O X4 G' \7 z( E6 z inspect <expression>! z; {. J0 W8 T" f% p+ C9 I
when <constant_list> then
) a# g- u, G, e5 P9 {8 | <statement sequence1>;' ]$ d3 e8 ~1 N
when <constant_list> then
C3 ?$ { d6 w3 ?. [ <statement sequence2>;
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else
v$ ?% ?) U; b1 N7 P) W# x <statement sequence3>;/ R6 z, {) z/ f }* k; ?2 z3 t
end;% H& S2 s1 j( x
; S8 X6 b' f( c2循环语句* T3 I, p# h/ H e* f
(1) from <statement sequence1>
5 H0 v% w" b- q% ~/ @% a1 M until <condition> loop- R2 X3 ~" H. p/ P) u3 e
<statement sequence2>;
# T; Y3 n# P1 L end;0 [' D) t( N! e
(2) while <condition> loop$ [1 l- X, z- ]' a; ~+ s
<statement sequence1>;
$ `# X& D" k# g( i end;5 B$ J: h2 R9 A2 X1 ~
(3) repeat
8 @) y/ y3 l' g3 O# E4 e& o2 G. H, n <statement sequence1>;( B, i1 j% J: c+ h A* E
until <condition>;
# f9 Z& d8 T# M0 o2 ?' ]' @9 T5 ? (4) for <condition> to <condition> loop
3 P. M' V" e1 A' z1 D& ^* { <statement sequence1>;& f. Y' G: ]5 e# Z
next;1 J( Z, S! g: i5 R+ `
3中断语句' k2 W' a" I/ O* L# S
waituntil <condition> prio <integer expression>;2 _: `7 I' D$ d8 ]
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7 e9 N9 g, }) b1 |# f1 ^5 f' O4 `以上为常用的函数！
/ c6 g, P: Z. c$ Q' D还有很多，如有需要我把资料发到你邮箱里
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