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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
6 \0 Y1 B' J1 n9 H if <condition> then( n: M$ L( ` v9 s
<statement sequence1>;6 K$ @6 P# V9 \0 P! Q
elseif <condition> then
/ x) E/ p! y8 k0 t/ u2 U <statement sequence2>;/ y) s$ {* q5 D1 y+ e% y' q
else
6 M2 H' G+ I0 q. ?& @ <statement sequence3>;
4 L% W' ]: Z' f1 G( L! P$ _ end;
4 o6 [; N: M$ P; q* t如果分支比较多,用:5 _ D8 Y3 E6 @& Z7 |' ^
inspect <expression>+ _4 G% z7 e U* ~# b- f( V5 |
when <constant_list> then
8 L9 J9 A2 l9 G' ?; S# S7 G <statement sequence1>;$ R9 ~! z4 ] q$ C- A
when <constant_list> then, v/ W& v8 i9 H( h7 ^/ H4 B
<statement sequence2>;
$ [8 L) W3 o0 q% h& U5 P ...
% ^0 \1 s( s( q1 U else' z9 @ _( N, D4 T# r/ N
<statement sequence3>;
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2循环语句
" ] ]) Y/ y: h& O" v( r) D (1) from <statement sequence1>) ~" U2 {% I8 d
until <condition> loop
* F1 N! @5 {: G# P* Y <statement sequence2>;
' |1 C& n4 C) P, D/ F( q end;
+ F x! ]0 B9 y% e) P* V/ p) Y (2) while <condition> loop) ~: s3 I6 G. l* Z' @! B
<statement sequence1>;
4 S& G5 v6 X/ g0 B9 a end;2 p9 w" m& m/ T/ S& `
(3) repeat
) D( q: Q. d/ V' T/ `/ Z <statement sequence1>;, o/ e/ b! k0 B. y9 q4 `4 z( n
until <condition>;
5 L# @; [* D. q3 V5 S4 T (4) for <condition> to <condition> loop8 E. V/ ]7 S8 Y9 M# X6 k# i. _
<statement sequence1>;2 A( F: v0 q' J2 t' v
next;, u; t7 v7 V6 i6 ]" B
3中断语句
7 ]# K# t: ]& ` waituntil <condition> prio <integer expression>;0 ?" v& i; Y; j3 u0 ~1 n g3 Z
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) u) S: e+ W9 J9 h. X以上为常用的函数!
- T @6 l. N t6 C还有很多,如有需要我把资料发到你邮箱里
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