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发表于 2012-11-13 08:48:12
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1判断语句
' w2 {4 p9 P# k2 P$ q y if <condition> then9 D( f* U% x9 A% Y2 c
<statement sequence1>;
" C5 a! F" C4 K4 N# A9 V9 m- H2 q elseif <condition> then
4 [7 X7 X4 f9 o/ T& R <statement sequence2>;
0 M( A4 b/ F- G5 m$ k3 \ else
; ?- s% W: l0 r6 u <statement sequence3>;& ]/ D! Q0 h9 [; X
end;
' _4 V* y+ n+ W: F' m如果分支比较多，用：
! `: U" j, F" i8 b inspect <expression>
8 e/ z% _4 ?0 p+ i. W when <constant_list> then* [$ S+ y; \3 {) t& Q' Q q( D
<statement sequence1>;
- T/ _. V4 H5 y when <constant_list> then6 H* H7 v: M+ ^! E" B
<statement sequence2>;3 N2 D5 H* K/ \3 G( l+ i
...: _ N( D Q; G! |
else- |8 X1 I5 u" |
<statement sequence3>;3 `& P% L; Y- ^) b! r- a
end;) y2 S( c! |5 L& {8 T
' G U7 W6 m; l1 I5 d2循环语句' u$ i* _! U& w; u
(1) from <statement sequence1>
7 N3 x T! i+ B* Z( |9 |8 g, H8 ? until <condition> loop3 D; r; F [$ w
<statement sequence2>;. w: S# \. c6 Z8 x0 i/ f3 P
end;$ A5 P: x% R$ ~) o9 ]
(2) while <condition> loop
+ I, t% V# Q) i$ O# q <statement sequence1>;
+ b2 F+ C, ?+ a) C7 y% P' B end;* G' I- R" a, H/ q$ t& ^ J
(3) repeat : L/ ]9 K2 ?* d8 U
<statement sequence1>;
- l; g5 B+ m* ?. l2 l until <condition>;
$ x6 }* k" P/ y (4) for <condition> to <condition> loop' B0 @+ j0 D( k2 B% ]( V: C/ Z9 H
<statement sequence1>;: j; V/ K" Y8 p( n
next;
5 D8 `/ h% g2 g4 P6 H5 a3中断语句
9 q, g! b( {) O2 ] waituntil <condition> prio <integer expression>;
9 W( ] h6 Z, T( f8 A+ s$ a9 i4 H) c; J$ m1 d L
$ D5 \+ f a. p
以上为常用的函数！
* Q x. q$ C5 g9 r1 q: r/ G还有很多，如有需要我把资料发到你邮箱里
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