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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
4 Q! ~: u% h0 M if <condition> then
) f( R& M% A+ E1 f3 j4 k <statement sequence1>;( c" w. | Z" v a K
elseif <condition> then0 k2 ]% G" |8 P3 e6 Y+ a. F
<statement sequence2>;4 `# R# Z' x- R7 X, M/ K! T `
else / Z+ E! U: O; N ~/ [5 ^
<statement sequence3>;
9 \$ D, S" o K- l" A end;$ {/ F) _8 @! P
如果分支比较多，用：+ ~" J+ A0 k& a4 Y% f) \ |
inspect <expression>
4 t2 T1 u8 c2 }+ D when <constant_list> then/ W+ G; e/ C, m- s. t
<statement sequence1>;0 h9 Q. K; N5 @% _: t
when <constant_list> then
' O6 P. ]2 f' P# C% d! y! B <statement sequence2>;) w; |+ |- ^" Q) \) z; i6 j( q
...
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<statement sequence3>;
9 Z2 n' m' r9 x3 _1 s# Yend;* |5 ?: Q2 D6 P
: c+ ^; R3 o4 ^) l( B2循环语句
4 d: t4 `* n- Y0 {+ x, f7 }% x (1) from <statement sequence1>
& N5 ?2 n, c, A, P, P6 H0 g- k until <condition> loop7 L/ V4 M! M0 _3 ]: X4 b
<statement sequence2>;
; h5 d W( u4 { end;
6 I; G d Q5 J0 g (2) while <condition> loop
# b1 b5 ^5 m9 X3 d* }! y& [ <statement sequence1>;9 V1 V7 T+ Y d& z! f- Q, T
end;
4 l( n. o0 X# Y (3) repeat 4 g4 i$ o! N. H" h3 \
<statement sequence1>;
. P* O, H# t3 [" M until <condition>;" R5 z# f- ^- |9 H8 ]+ I, A
(4) for <condition> to <condition> loop/ O: m. c& l6 ?# G" A4 {1 i
<statement sequence1>;/ c' O* U! P& n$ B6 j7 W
next;9 S3 @; v* U* T: ~4 t3 D5 h8 Q
3中断语句
8 _3 K P" a" t, g3 E waituntil <condition> prio <integer expression>;
% t; m' ?0 f. @+ ?. Q4 J. A# f
# m: ~+ ?4 ]0 k- u; @* u' {
/ c) q6 M, |; t$ k" E7 z以上为常用的函数！
- w( u6 y8 X; z) s' l还有很多，如有需要我把资料发到你邮箱里
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