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发表于 2012-11-13 08:48:12
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1判断语句' _, A/ p. H* f+ }
if <condition> then$ S. v* N' W" Z0 \( V8 Z9 [9 I5 A
<statement sequence1>;
( `" h& v& u5 N% m {/ C( R4 O elseif <condition> then
0 d" u' X0 u( @' M <statement sequence2>;
; l1 f! p1 S$ T0 g else ! e' G+ J8 p4 `# A' d' l6 {
<statement sequence3>;
0 \- n( ?4 z, j% c3 E end;
D7 @$ I9 l. x如果分支比较多，用：! }3 ]7 j% g! c
inspect <expression>
7 K8 `, M* l( h, }" F when <constant_list> then
4 _3 E4 }% h7 k& A <statement sequence1>;
: a0 a# T, {/ X when <constant_list> then
0 ?2 B; F6 c: O6 k' j <statement sequence2>;
& q# |7 W4 x7 |7 o6 d" Q ...
3 A2 G- Z0 D! \% W/ }% u else: s: U" E3 S/ E' K6 L" X. J
<statement sequence3>;
* S1 `) ^# }/ j# p' j I' qend;
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2循环语句9 g; K7 x% L6 I
(1) from <statement sequence1>
" u6 @# O; K5 n; A. r0 |5 B until <condition> loop
. x( q) m$ m; O& C5 V <statement sequence2>;
$ N X3 _7 H0 S end;
% V$ u7 G3 s. F6 n (2) while <condition> loop: i3 m* P% z2 D
<statement sequence1>;
+ z; J4 ]* o) X2 u1 R9 {" ?7 _ end;
# b' v" m0 z6 B$ ~' U (3) repeat 3 n8 ?9 Z; P2 K2 z% ?. V
<statement sequence1>;5 N! W, [# a& S6 g: ~
until <condition>;, H: x# ^. }2 }( w8 D0 ]4 {
(4) for <condition> to <condition> loop* K# N8 F* H+ z
<statement sequence1>;
2 x2 @( O, a# Q1 m next;) Z8 ?8 W0 |: }. N
3中断语句
% j1 s' J! m" I5 Q/ s; J5 k waituntil <condition> prio <integer expression>;
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0 E9 k1 S( {" M! L- {" V4 }以上为常用的函数！
* ]* R4 g1 t8 z& }/ t3 g+ x- @还有很多，如有需要我把资料发到你邮箱里 % H8 O8 ?0 _0 L8 G
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