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发表于 2012-11-13 08:48:12
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1判断语句# t, E' q* O& p' n* T! j* Z P4 h
if <condition> then
9 _3 \% n" _- v( }; r I% Y <statement sequence1>;; ]! U, P3 r& i0 h- f/ H
elseif <condition> then2 _. l( j# I q7 X
<statement sequence2>;" T* M$ J; J$ `5 E8 n
else $ L) O5 R+ _% c. j- B% A
<statement sequence3>;, f$ G$ I. f Q' ^
end;
3 L2 Z' c% Z/ l% q6 |# b如果分支比较多，用：
8 A" J1 Z# b. i4 I$ u inspect <expression>
- k$ }2 O, U; M |& v' q. [) Q( M when <constant_list> then
6 X4 Z6 `. W" G& w( v <statement sequence1>;
6 O/ R. }) W3 @8 `3 J when <constant_list> then
$ ]/ \1 [7 S. b' U# h. \' o" {. a <statement sequence2>;
0 N$ l1 @, z' u3 _% W h2 n& o" v ...
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<statement sequence3>;! }5 S# P! V% j: z, n
end;
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2循环语句" @* {, k! [5 B* V5 B' _% P& }
(1) from <statement sequence1>; c5 h! ?7 n) A: p$ }& y
until <condition> loop
$ m% b2 ^6 e* p7 U) A <statement sequence2>; r; y3 x* k- a. h' h
end;1 N+ @: E3 W' d p; q- ?
(2) while <condition> loop
6 ^ J! ?. A0 C2 s <statement sequence1>;& g9 \0 P0 b! @0 c# J& [5 l9 o
end;
* w) R! a- d, I n: V5 X6 u1 G (3) repeat
2 k, r2 x8 q* f0 f# p8 p: E <statement sequence1>;; J, o- t9 ^3 A" y3 E% W; g; s0 O
until <condition>;
. r$ ]/ E+ j) x- U (4) for <condition> to <condition> loop
* _4 V7 H* t; V0 @- f8 \' f o <statement sequence1>;
. M) v* \6 ? D2 w) ~ next;0 F' P& Y" F+ O' c; G
3中断语句3 X) s0 ^ I. f
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! ~" N0 {; N( I还有很多，如有需要我把资料发到你邮箱里
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