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发表于 2012-11-13 08:48:12
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1判断语句
+ |" l" `" }% T' f if <condition> then
& n9 x7 `, R1 m <statement sequence1>;* C1 q# x+ h, X, a
elseif <condition> then) s0 v" B& T" f# L5 r# \
<statement sequence2>;
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<statement sequence3>;( b( c% I* R9 k3 X! `; b2 ?
end;0 n. F9 h+ }5 }( D. C7 |2 u% t
如果分支比较多，用：3 e$ l6 ^0 y: j
inspect <expression>
7 Z- R: l& i# x& b when <constant_list> then
W5 l2 L( s% ?% ` <statement sequence1>;4 _# I, v7 c0 ^1 }' D% b; X* E8 a
when <constant_list> then
9 K# b* W0 D/ z# s: \/ U2 U" [ <statement sequence2>;
6 }+ m$ c4 g b. [' w. e5 m0 R ...
* Y7 e7 i2 H7 u( { else
) d x0 N% J5 {* }( C/ ] <statement sequence3>;8 ^! s, N2 ^# A: v6 q+ g
end;
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2循环语句/ h0 t. {8 ~0 B" K8 l) b, g
(1) from <statement sequence1>
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<statement sequence2>;8 B% H( _- H- v8 n7 _
end;
) E$ k" F+ W; Z3 t. ? (2) while <condition> loop
9 J6 m* _& p( @8 I <statement sequence1>;. \" \& \" W2 f
end;6 @2 t, P+ H D4 t
(3) repeat % i5 f% F8 d: h( b! M0 h9 H: |
<statement sequence1>;
1 ]' j: T: o& V/ C% f3 B until <condition>;
$ x' h2 ]7 o% V/ P (4) for <condition> to <condition> loop$ x: ?; x0 a2 C5 E8 r% n/ F
<statement sequence1>;
( |* R) d H* R! F! a, C9 p next;# s& v7 F; f! U: o; q- f
3中断语句 {: k y# v, _" z" s
waituntil <condition> prio <integer expression>;! E+ a' M1 Q9 y
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以上为常用的函数！
% f& Y" c" g! _8 V% y% n还有很多，如有需要我把资料发到你邮箱里 # e# S; u7 V r
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