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发表于 2012-11-13 08:48:12
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1判断语句& Q$ a. v) _# w) y2 ?5 I
if <condition> then
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elseif <condition> then
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else
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end;
+ p5 {+ t& q2 ?3 L+ b0 ^2 S1 ^如果分支比较多，用：
5 l/ O) O7 Q5 }% o! g1 a; ^) t inspect <expression>! O4 H8 D$ E' |% R2 h3 n3 j# v. f
when <constant_list> then" Q' u* {, \* C$ O8 M; r0 {- n! r! s2 }
<statement sequence1>;
. x/ L( I( {% g when <constant_list> then/ ?9 q! Y+ B; S2 Q3 l
<statement sequence2>;
' V/ d' `, P9 | ...
D$ w( o6 O" t) {/ S: a else
, s8 k' D, W8 @9 Z1 l4 J% Q: { <statement sequence3>;
1 z9 c& y1 v. I" s! uend;1 D! B8 P! F7 z; ~' [- E% V
0 K& B( c1 u% x1 c2循环语句' D2 E- F" x: P* S. n7 z
(1) from <statement sequence1>% e: N5 t! t: y" v* f$ h3 R( T% c
until <condition> loop& b) o9 J5 x; i! }: S% D
<statement sequence2>;
9 n8 f/ P! q' K: ]7 |! a. y end;
. x1 N8 | @5 s1 G (2) while <condition> loop s7 w& C( _' N q! c$ @* _4 j
<statement sequence1>;
5 ]+ z0 y4 A: s7 T( y! ?& r end;
3 w! |3 U+ _* d1 ^ O (3) repeat
0 t& S% W( _1 v, B- u <statement sequence1>;
$ h. X' e4 A& ~- y; \ until <condition>;0 B2 X3 e o% m+ O7 f# G @
(4) for <condition> to <condition> loop, o a% T, X& j0 ^5 w6 X0 }
<statement sequence1>;
4 {+ @) a% k m" j" w& t next;
7 z* E+ D5 r, T6 k+ }4 N* i% S3中断语句
8 x% Z$ u% v& E& A( a1 a. F waituntil <condition> prio <integer expression>;
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' j- g# B$ \$ h8 w0 e# Z5 k* G以上为常用的函数！8 t! q) L# G; S% a
还有很多，如有需要我把资料发到你邮箱里
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