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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! H4 p' y* q, b
if <condition> then" i' T/ C) P3 `! [2 C
<statement sequence1>;
2 G( ]3 M4 j. p h elseif <condition> then/ J8 R9 t2 X( W2 k. v0 I. j
<statement sequence2>;8 M B# V2 Z: r2 r
else
3 T( K; ]0 ]8 ` S, _$ j <statement sequence3>;
5 L& ^4 J0 _' V7 `. j end;
' K$ ^6 _ U/ ?9 }0 q如果分支比较多，用： h7 @2 F" [$ S- z- B5 y( w! p
inspect <expression>7 `* h0 x. q" N' `# X, J9 F9 A: U
when <constant_list> then
5 g' p3 l; |. y' [0 f& p2 S+ s: V <statement sequence1>;) L( g. u3 |$ ~, a' e! L1 s
when <constant_list> then
7 C) S& ]3 Y2 M! E$ g, `5 | <statement sequence2>;& k3 X( v% n3 F( h1 U. x. z( h: n
...
2 a0 u* h* X# S f# x else; ~5 I; e+ i: ?- _* y+ W: U
<statement sequence3>;2 D1 j5 K2 ^5 Z) E6 l# a5 w; a8 U y
end;
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2循环语句
4 }) W+ g9 C6 k* c (1) from <statement sequence1>
* W6 @2 a" y! }' M: v9 I# M$ s6 v7 S until <condition> loop
, a3 g" E. {9 ?3 r6 s <statement sequence2>;+ N( m4 c+ F' Y/ H1 l4 Z# w$ S
end;
% v# i; R8 p5 W8 Z, l9 K1 Q1 [ (2) while <condition> loop
5 F2 p) z: c. v. ]" H <statement sequence1>;4 h; e7 ]% |& K$ C' A+ G
end;2 {( m- H# r8 \" f$ `: i* r
(3) repeat 0 G9 g; u4 P* x& ?6 V) r ^' |2 v
<statement sequence1>;
3 a5 V, _, @+ G" `9 X/ `$ c) X until <condition>; p5 X6 G: h* G+ t4 k2 c
(4) for <condition> to <condition> loop
B9 ?& o9 d( v$ B' z6 B% { <statement sequence1>;* F% v0 R* X% X- A
next;
7 r! m' C" s9 Y% @3 ^! y- h3中断语句+ o8 ]5 U. f9 L3 c' D y0 a
waituntil <condition> prio <integer expression>;2 g. U) A: Z, i3 L) ^
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以上为常用的函数！/ ^" x0 e% d6 b/ z$ |
还有很多，如有需要我把资料发到你邮箱里 2 Z4 r- \& a% S. h
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