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发表于 2012-11-13 08:48:12
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1判断语句4 _, W5 N* {! A4 g9 h4 \5 X
if <condition> then% X) u& T+ b9 Z1 z! }
<statement sequence1>;) [* G" ?, g' C! U& K
elseif <condition> then
, ]! p9 g9 f- i' E/ q <statement sequence2>;
4 R1 Y# T5 m: ^" |) [% k% ^! i else
* g; I" B" h. l1 J0 D/ \) \ <statement sequence3>;
2 k& N; l* Y- G' e( c- O end;
Y2 m* q4 E3 ^3 y% ?如果分支比较多，用：% o1 ]: u% R3 w9 U! P0 N: V
inspect <expression>4 O3 u) ~* p' R
when <constant_list> then
5 ?/ i- |+ X$ } <statement sequence1>;" |% P9 |6 k" f( K/ u* p. `# i
when <constant_list> then- `; f) w% e. O4 W/ O3 ]5 C. Y( ]
<statement sequence2>;5 \3 I$ v3 o6 {1 R3 [/ T1 H; V
...
7 q$ W5 m! `) S; q) V else
1 }4 R; i3 u: d" ^4 v: P3 ^9 i <statement sequence3>;
& v9 C# N) y, gend;
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2循环语句
8 _# f" ~+ j% d (1) from <statement sequence1>; D7 q3 e4 w1 B9 U# r [* R2 N# S
until <condition> loop. k r4 r$ }8 {" V
<statement sequence2>;
+ c2 u3 r, s) j# T" W end; K5 L- K$ J8 E l4 V/ O
(2) while <condition> loop
4 E; C7 M- G) g5 m" c <statement sequence1>;5 H- `! |; I) \& n$ y
end;
) U* r4 T' f/ y" H2 O! ^& d1 @) t (3) repeat
& o8 `% q5 _3 z& H <statement sequence1>;
; b9 Y, U) y9 J$ _ until <condition>;7 H5 V1 f' {; X' ~) T, @7 e9 v
(4) for <condition> to <condition> loop
* Q: W9 I X! [9 g <statement sequence1>;& d$ V* F) d% n$ r0 f3 h
next;! W; D* q. }% B! y5 d- t0 a
3中断语句
6 j+ q3 B G2 c waituntil <condition> prio <integer expression>;! I' Y1 H1 ?8 b: L0 y" j; ~
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以上为常用的函数！
5 m* c% W* ?8 J2 X& l: y6 O8 D还有很多，如有需要我把资料发到你邮箱里 . v. H8 T% W \& @8 G# }
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