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发表于 2012-11-13 08:48:12
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1判断语句1 B( O1 S. r p! g- v7 P: ~
if <condition> then
. F/ K$ l( `+ ~7 T! S8 D <statement sequence1>;
8 I9 [. f( O# e d% v/ H3 h* ?8 ~ elseif <condition> then5 N; V& z/ A D$ M' m0 S
<statement sequence2>;% o+ f* z: {- D; F
else
( h4 t5 ^5 k" h8 M& v- S <statement sequence3>;8 w5 n# i# R) s8 B6 ^
end;( E7 Q2 S3 N, D5 w6 ?8 \' w. K
如果分支比较多，用：# w' N5 V+ \: S- A
inspect <expression>3 X: _; {+ n% ^, F
when <constant_list> then6 K- a' N9 p, p- m
<statement sequence1>;
$ `- N) d- h4 F7 }% A9 b" E4 @ when <constant_list> then
w2 @7 q: @. Q <statement sequence2>;
$ ?9 l/ h( R, `/ f9 u" l7 ` ...
2 }$ h- k' s; }1 M0 s else5 b) B7 r; t8 z7 g" N% ]
<statement sequence3>;
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2循环语句
8 d2 b e/ R) [( } (1) from <statement sequence1>
- s2 ]! l. X0 Z; M8 s until <condition> loop
C, m& A; l* K <statement sequence2>;8 E- o h: V$ b4 U
end;/ s4 J6 R! M; o" v; |
(2) while <condition> loop6 E( o% R0 m% h r: M
<statement sequence1>;/ e: [9 E0 \8 b! b$ S
end;
: v- W, [! y! E9 x (3) repeat , D0 f# _' `9 j
<statement sequence1>;
& w+ R3 ?' m( N; R7 r/ F until <condition>;3 ?0 A/ J) ?3 k/ P/ q }: [% W
(4) for <condition> to <condition> loop
) k3 Q5 [1 p5 p6 v! P <statement sequence1>;* ]4 z& z6 W0 O. q* M1 K
next;; j2 Z0 l- n9 M6 T3 u
3中断语句) M. ?' t1 [( ^9 X! K6 R
waituntil <condition> prio <integer expression>;
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3 ^6 j K X$ [7 h# x+ f以上为常用的函数！
- n1 {; N, g( Z8 k还有很多，如有需要我把资料发到你邮箱里 9 v5 c6 C5 f' d- {3 X) Z
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