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发表于 2012-11-13 08:48:12
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1判断语句* Q( @1 }3 C! {! Q
if <condition> then( \, \9 @% p- |5 F. {5 ?2 @
<statement sequence1>;
2 k' c9 f/ E) T* \6 y elseif <condition> then4 n4 t" o; k1 b' a8 y" G8 V
<statement sequence2>;6 S5 H2 j% A3 ~7 V1 R2 Z6 S
else 7 s O0 _* L. `
<statement sequence3>;
5 I+ x' A9 `0 ^4 q4 W end;
3 [8 ^3 E9 q% W, I8 d( V如果分支比较多，用：0 E5 ~- o1 F3 U% i! K
inspect <expression>
% M- H1 T7 Z: M8 m3 E5 i' ?5 I when <constant_list> then
; K6 _0 q( o! ~* Z! l2 @ <statement sequence1>;% m$ i6 i% y" p5 g
when <constant_list> then
' l. D4 ^7 F3 R" V' G. ? <statement sequence2>;
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else) n o, p; Y. }: I0 W7 j
<statement sequence3>;
2 W; R; a' W* \. S8 n3 I5 Xend;7 m8 e" L4 ~8 K7 Q7 i" u
( A$ a1 q& M+ @2循环语句) _( y% F. @# T3 w
(1) from <statement sequence1>
; r* w6 I4 I) M8 `0 N until <condition> loop! Q3 ~/ A" E u" m% j. V/ @, F, L
<statement sequence2>;5 R6 N9 F. N y
end;6 {* g# h- ?% f! |/ Y
(2) while <condition> loop
, G: S$ s& l. y8 t <statement sequence1>;
+ x c3 v- H. f- }$ @6 {$ e) [% O# \ end;3 i' w* p- r5 H w0 i+ l/ A
(3) repeat
0 N, m8 C* A. p) w! v9 N <statement sequence1>;
! i2 L$ M4 s3 r9 h: ^/ k0 k4 I* x until <condition>;
1 a) }. Z/ M& [+ @ (4) for <condition> to <condition> loop( ^5 w; m# U( ^. p0 _
<statement sequence1>;3 ]3 n7 r5 s5 B0 J' ?+ j7 m
next;% @) @* {* [. I) T; ?, E0 W
3中断语句. q R: _+ {& T$ M
waituntil <condition> prio <integer expression>;% Y; N. z/ L5 a" {! l
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以上为常用的函数！
2 I, D' T; |& o! q6 t2 M还有很多，如有需要我把资料发到你邮箱里 4 o- N9 T' u8 k4 @8 L6 k
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