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发表于 2012-11-13 08:48:12
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1判断语句9 U7 Y7 _1 K+ W4 d! v& l F
if <condition> then0 M- }! u+ O+ [2 p
<statement sequence1>;' e! |: i. H! @4 x, G. H7 |
elseif <condition> then( d( \/ Y& z5 H/ b! ]
<statement sequence2>;
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<statement sequence3>;% b: f2 k' O4 P5 N9 n+ T; D5 c
end;! I9 f- S% u" A# N5 [
如果分支比较多，用：9 e7 S7 ]) ^% { [, I/ B
inspect <expression>; {: ` l8 \2 C- t
when <constant_list> then. C% T& ^! `( L& p! z
<statement sequence1>;4 _# \! E5 e. c# U: {+ v$ @
when <constant_list> then
3 g' J% q" E8 M$ ?6 z <statement sequence2>;
# o' m, \; [/ w% t8 C- Z/ t ...
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<statement sequence3>;. z. L D; N6 j. I$ B- y, U* K: N
end;, y; m1 m- W* K# J
5 L2 Y. B4 \! ]3 z% @2循环语句
6 q( u" c2 H# d5 I. I! m (1) from <statement sequence1>% k* X# k! ]6 ~5 ~5 a2 n
until <condition> loop7 W" W, V, \/ p, x
<statement sequence2>;
. x; V$ U$ X9 B/ f9 q+ b end;
- C |; E' q" X (2) while <condition> loop
1 g! u5 G/ `) ]+ E# s <statement sequence1>;
* H, [5 l. q0 u: d( J6 M7 d/ { end;
/ L8 t( J1 U( D, M1 e (3) repeat
+ V$ Q2 t, B; M+ ~$ h, g <statement sequence1>;
1 t' @! y1 E( P, w until <condition>;
0 S3 E7 Q! S- c6 [5 n1 B" N (4) for <condition> to <condition> loop
7 k0 A* e( d- v P/ A <statement sequence1>;: H3 T) ?1 k8 Y
next;
& \1 c, @$ H1 c5 S: Y& @ X3中断语句# P7 u5 b) ^' N+ e- X4 T
waituntil <condition> prio <integer expression>;2 F# K( F% x# E/ E
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以上为常用的函数！ r @8 m2 U g* P
还有很多，如有需要我把资料发到你邮箱里 * x3 [- ]8 L F) j0 W
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