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发表于 2012-11-13 08:48:12
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1判断语句0 y j+ c3 ]2 K+ n' u' s: B
if <condition> then/ Y; m* @+ F; u! w, }7 b
<statement sequence1>;
3 B3 C3 ~; p( j4 K d( S4 W' b elseif <condition> then
( p; e" m5 }4 J$ ^3 y0 p4 U9 [ <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：: W( D- D/ t( `, Y& u. d) y
inspect <expression>( M. b6 t Q4 _/ W
when <constant_list> then
6 Z3 X# G6 \3 S* e4 s7 e5 P <statement sequence1>;( k( {2 p& v8 K: u; n1 w
when <constant_list> then
% E& ^# `+ l' Z- R <statement sequence2>;
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else2 [, _$ m @9 {, z" U
<statement sequence3>;# {& c) A1 X6 O: a# F4 G
end;' O% N9 J# e7 z/ _* [" P
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2循环语句% s! Q5 N3 O8 i" \5 X! m6 _
(1) from <statement sequence1>
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<statement sequence2>;: O% K, w" A l- h$ `3 W
end;/ }8 _! k3 X+ {3 c
(2) while <condition> loop
) y# m9 t8 U ], f: {7 ^ <statement sequence1>;
8 O. T+ y' i/ d- C# Y2 B4 n end;
; ~; f! M4 L. p# I v1 N6 y+ \ (3) repeat
$ I# R' y( x; I }+ |8 z# Y <statement sequence1>;
, U. ]+ F& M* ^3 Y( y- W+ y until <condition>;
* B! F7 B" l" l4 B) P& M" \ (4) for <condition> to <condition> loop
4 a: Q% I; Q2 o/ V) K8 g8 O <statement sequence1>;" P4 }" ]+ v* ]0 N4 P
next;
7 K1 n4 t& R/ W+ C7 |3 b3中断语句7 S6 W6 L+ t2 k) o% ^( g
waituntil <condition> prio <integer expression>;% |: b- r. x+ ~. |* }
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以上为常用的函数！
( A( N. \% f. R8 {6 `还有很多，如有需要我把资料发到你邮箱里 # c$ P; l# L# `8 W2 @( _5 o
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