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发表于 2012-11-13 08:48:12
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1判断语句
8 j6 {: r% ]( o if <condition> then8 c, \9 p! k t! C6 c
<statement sequence1>;
2 V n% A. }* \! x) x+ H' K9 u elseif <condition> then
# |6 H' b2 c/ H- V7 T. x <statement sequence2>;
7 b" c3 ?5 f2 t' m/ o' z( u' N else
, O! T; j3 } E5 A$ y1 Z% c <statement sequence3>;
5 j2 e4 @$ B4 Y; w- ]! ^" j end;" ]/ T9 y8 y2 D3 R# C' o7 t, E
如果分支比较多，用：
( v- v; e! X& A9 Z0 _/ _ inspect <expression>
) W& o; F- v+ [ p( }6 H when <constant_list> then
3 J, g( X2 ?7 K0 _ <statement sequence1>;
( X# Y+ a- I9 ^# j when <constant_list> then( k0 J" l% f# I3 l# q% x. D
<statement sequence2>;
; H/ A$ Y' ^4 z% @% N4 l ...
6 a; z0 ~4 P; f7 y+ z else! e5 X8 O, x$ [- k% L) e2 M
<statement sequence3>;
$ f) e2 q) Y, d6 Zend;
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( t$ h) A. `: }2循环语句
2 K. {$ w) j+ R (1) from <statement sequence1>3 q# I1 E# J$ H2 W3 Z4 V! @
until <condition> loop+ v. p0 c- Y2 e7 X, v4 f/ \
<statement sequence2>;
) U' e: r0 ?8 R: | end;
$ S* j& Z" W v- C/ l: K# P( W (2) while <condition> loop
0 Y2 _9 P# J7 W; v, p# c; f9 a <statement sequence1>;
% v& c G; n5 a6 i end;
1 G% p. J1 n3 F& _% C$ }& J) i (3) repeat
1 L# c% b7 @2 r% e4 F <statement sequence1>;
9 ^3 E$ l* v, G* q until <condition>;
* E, m/ W* v1 q2 d (4) for <condition> to <condition> loop$ A; @ g/ H, ^% v* M J4 I
<statement sequence1>;
# h/ V ~, n# M& S, r next;
' [, C0 R7 Y* @9 E! k% F" a3中断语句3 f! ?& k0 p) z+ r8 S0 I; u8 }2 {" z
waituntil <condition> prio <integer expression>;
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! Q/ u3 ~4 t1 G% ? H+ T. O以上为常用的函数！) E' O9 [1 D: S& t
还有很多，如有需要我把资料发到你邮箱里
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