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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
% n. f# y3 ^% F& c# K8 _2 ^ if <condition> then0 ^6 H) r; W( c w
<statement sequence1>;0 w' ^1 G4 l+ q' e
elseif <condition> then$ Q! y$ N2 e9 S+ I4 x1 l: n% v4 q/ `
<statement sequence2>;
4 {' {4 j8 z- f% z else M! o# A* J0 Y& D* ^% b- U% X
<statement sequence3>;9 W6 u) Q$ X! J2 Z
end;
' u8 l0 y% q4 H7 i' V# Y5 l如果分支比较多，用：* ~/ \1 B$ I7 A5 L; U
inspect <expression>
7 Y. u& L' I! p+ h) N when <constant_list> then
1 T$ d0 T+ j3 ~. u0 m: c <statement sequence1>;$ e7 C7 Z! s5 x- h$ y$ I
when <constant_list> then1 \7 j. U7 M; @% q7 C
<statement sequence2>;
9 l* s- u, ~: ^" b ...
% x8 W q0 W( Y% ]6 X) H9 _$ R# G else
% w* O T; x* p9 u$ ?$ Y <statement sequence3>;( j6 i- q0 j0 w2 \3 B
end;6 J& [) [- O7 f5 b" r6 V( U- J
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2循环语句* p, [* t7 D; c* K' O
(1) from <statement sequence1>8 g: g l) E. z
until <condition> loop8 `& }7 J% r: T( e3 N5 x
<statement sequence2>;
6 ?( G2 r j7 p& j5 @ e1 M end;
) r2 L& X! C( G @) E# } (2) while <condition> loop
3 _! t5 j* n* |/ E" ]" f <statement sequence1>;" c! |# m l( k, B
end;
5 E7 o' @* t7 @0 l3 t6 f (3) repeat - s" C/ Q$ K2 o$ |
<statement sequence1>;
# J0 G2 H' s6 {# w+ r, \ V7 N until <condition>;/ g! S% H0 I" n" i+ Q' D9 Q' _
(4) for <condition> to <condition> loop
) n6 y( p9 P4 |- ~" t4 t* l; P8 G# q$ Y5 m <statement sequence1>;) h i3 Q- f5 {' |8 P$ e2 A$ V
next;& M! s7 k) B' x
3中断语句
; f5 r# c. f) S0 C$ g6 Y waituntil <condition> prio <integer expression>;4 M7 q% S; h" x# d% s/ s5 b
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以上为常用的函数！
% C$ w$ J- j* T% z4 _还有很多，如有需要我把资料发到你邮箱里 ' t$ e Q& L( j; g
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