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发表于 2012-11-13 08:48:12
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1判断语句
1 z8 D' l6 W* N, M5 _$ Z if <condition> then+ _7 U$ x/ i: m( t/ X
<statement sequence1>;; N6 p" V( L+ S, D) M" U
elseif <condition> then7 O. z# q. W) t/ K
<statement sequence2>;/ I% l: y- M/ H$ W# I" B6 q9 H
else
( ], u* X; C% q) m2 U1 J2 {% k& r" D <statement sequence3>;
. T+ T7 V+ `# S( [ i0 m& F, o6 s end;
& R+ x+ U) R! b如果分支比较多，用：; u2 e/ w% u4 J* S
inspect <expression>4 |" Z- Y& G2 ?5 m( n
when <constant_list> then* r9 Z' C! b7 @; r
<statement sequence1>;/ Y5 J; x! d: K) x+ m$ z
when <constant_list> then
" F" u& J3 L0 J: Z% G3 m" x <statement sequence2>;- N/ X9 n9 ^1 @$ p9 q
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else. L ~+ l! c! q+ a7 I, B
<statement sequence3>;
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2循环语句0 }/ k; G2 J0 E
(1) from <statement sequence1>& Z- a! Z- c3 z
until <condition> loop9 M" s; @& o% K; N+ t) _
<statement sequence2>;. H' d( D' p# v0 j2 F6 c
end;
Q+ f1 N z+ [4 d (2) while <condition> loop
2 M" f. C4 k# f2 q- I0 K <statement sequence1>;
a1 M3 V1 p- A7 C end;- ~4 Z+ h" t3 ]7 l) g% L6 @7 p: R4 R1 Z
(3) repeat . I( t. S1 h8 [
<statement sequence1>;7 B$ S) R' V. t+ q. d
until <condition>;
! k7 N1 {: r6 [1 Z' ? ^ (4) for <condition> to <condition> loop5 W7 w1 b8 C% A6 I: L1 `
<statement sequence1>;* X$ F) o# w5 ~/ e. ~
next;- m, H' M& U) f3 E9 a5 H7 ` K5 i
3中断语句
6 O" v/ ] \+ N! s waituntil <condition> prio <integer expression>;
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以上为常用的函数！; x2 Y2 R) [* ^+ q) S+ P
还有很多，如有需要我把资料发到你邮箱里 ) M5 B! I) b" e' c' @3 ?: o
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