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发表于 2012-11-13 08:48:12
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1判断语句
9 r) k' w3 ?3 o7 i! v if <condition> then! I3 x) X: h! P/ H: q0 l
<statement sequence1>;
( d" C/ I# _" ?# w- L elseif <condition> then
, L. L- x8 q1 i <statement sequence2>;
% M- a/ V( v/ q% i9 _. k else
' I+ W" x" N v9 d9 r <statement sequence3>;
" D {. Y: i+ J9 `( K4 R# h end;, {; ?: d- d/ A H3 n
如果分支比较多，用：
0 G1 _6 e$ a$ h inspect <expression>
% ^- A' ?2 T, v7 Y8 s# Z3 A% H) q when <constant_list> then
1 g! z7 e* o! p0 ^. q9 x <statement sequence1>;
& m. f- ?# V0 r+ K5 E; X/ \ when <constant_list> then7 u: k) j0 @, h% j- ^
<statement sequence2>;, B2 R6 O. `$ }7 q4 h: }) T
.... o- l' b" Z% p' X3 m
else+ o/ P( n5 o! d
<statement sequence3>;
4 P+ d P. O& y' `6 L, Qend;; |! T9 p" y+ Z6 Y: m6 r: V
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2循环语句& o& d$ m3 r7 G" H4 j7 x+ ^
(1) from <statement sequence1>
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<statement sequence2>;
2 V+ ?, n" f- f0 h+ r0 x end;3 r+ q J" c- {2 T6 c& }
(2) while <condition> loop
$ { g2 J' T' {: o) w' A+ m <statement sequence1>;
- V" E; h: V6 Q8 ? end;
5 f$ K3 R6 @) R4 J. u; o( s8 v (3) repeat 4 u: W( P4 S* E: W8 m
<statement sequence1>;
& ~! {% R+ P! d" b' I) C until <condition>;* l, t: r# }. u
(4) for <condition> to <condition> loop5 B6 k! H: {' _- W) P$ v2 b4 Q# l
<statement sequence1>;5 }/ Y5 @$ a. ~) r/ c2 Y
next;8 J2 C! U8 s6 S- v
3中断语句
& K1 l1 i. f5 @; e waituntil <condition> prio <integer expression>;
, |5 q9 r! L# t2 r2 d; @- W/ E& C8 {" k7 R
+ K7 B, I% A9 k" L, q9 B% P) x# k以上为常用的函数！8 I9 q D2 i0 Q( o3 J4 j0 O
还有很多，如有需要我把资料发到你邮箱里 + c3 t3 V6 ]1 C
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