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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
" z6 {0 p& e9 E- w. ] if <condition> then% ~6 m0 v* C- k2 n. H$ {$ H$ K0 u
<statement sequence1>; n% F3 N9 `+ S: d
elseif <condition> then
5 _3 n. H0 d* b1 f/ f <statement sequence2>;
9 p) \/ {, l) `' j6 b else 2 X1 z+ U8 \: }) a. x
<statement sequence3>;
' O# j( g9 V' y% f end;
/ w/ j7 P2 ~) t( k如果分支比较多，用：
% A: P7 K3 F$ m7 v3 `) D6 m inspect <expression>; l! x9 A4 E' M1 @6 m4 Z( n
when <constant_list> then# `2 ?, l9 F3 T# P
<statement sequence1>;
5 S% B" N) [1 n9 A( z, h+ q! b when <constant_list> then
$ l, n) z, j& b0 m1 T. q, T <statement sequence2>;
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else# [7 H9 v' B- u, g1 u* ^) ~) x* T* s
<statement sequence3>;
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2循环语句
) m6 C9 K' N: X# T (1) from <statement sequence1>
& R2 L$ O) f2 |9 A/ K until <condition> loop
% d# J3 e. @: c8 A1 | <statement sequence2>;$ @$ r, s& V9 E$ k5 T
end;0 n9 V ]8 T, h) h6 I( S7 ~2 O. }
(2) while <condition> loop
; N9 |8 e5 C m: S, a9 B1 G2 @ <statement sequence1>;
9 L2 v2 o# J: a3 w: H5 y end;
2 o7 J# `- L5 d! h" h (3) repeat
; ? A: w; l) F3 y9 m6 ~ <statement sequence1>;
8 e& C. }9 m: ^1 L& ]# m until <condition>;9 h# M$ Q% G) d, j! }7 I9 D# s# {
(4) for <condition> to <condition> loop, _& [+ n$ J/ @' b7 V
<statement sequence1>;
X" {6 ~* t, m, a! I4 g& d next;
6 p3 j8 p% Y7 b Y3中断语句
' U- f% Q, a- `: b waituntil <condition> prio <integer expression>;: |1 R6 T. v" F1 C. v
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, ?$ [& a. q! G# C! V以上为常用的函数！. p6 ]7 ~$ ^; k9 O& A" Z
还有很多，如有需要我把资料发到你邮箱里 * q" y! f) C# T0 ]
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