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发表于 2012-11-13 08:48:12
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1判断语句
) N' w1 Z+ L1 X% l! V9 H& P if <condition> then
4 i4 i3 {* d& q* W7 m8 S8 f6 C/ ? <statement sequence1>;
. }, J7 n# G! _0 f8 o+ g* G# L elseif <condition> then
( a# d$ Q" A [3 i% U' X <statement sequence2>;
/ Q* j+ \* Q+ W7 a1 G% i6 }3 P else
% e5 Z/ I6 [# t4 Z' R <statement sequence3>;
0 F. n h) {; Z, E% q+ L end;
@0 u+ p: a$ f G1 T2 `如果分支比较多，用：5 H5 |3 ]- I' h2 R/ V
inspect <expression>6 O2 U7 v- S3 n. o* V* g) U4 _
when <constant_list> then# {) v+ i/ E( {% F
<statement sequence1>;
% ~. T) n1 }) r' r6 e% K when <constant_list> then
( g5 `$ |. l% Z: ` <statement sequence2>;
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else* [% [( H: \0 { |8 }
<statement sequence3>;% k: F' x/ I! Z' S
end;
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(1) from <statement sequence1>
' D7 ], w# F; ~ until <condition> loop2 h; v$ S. m% N5 t
<statement sequence2>;- w7 r* |: ]: v( [9 J" g- b
end;
, T4 n% m7 _, l& `7 o p& o$ { (2) while <condition> loop4 G. B2 U" D$ g7 y8 z
<statement sequence1>;' y+ f* [8 E7 [2 q
end;
* \8 E+ A0 n+ ^1 ~/ R8 c (3) repeat
( |3 o" P2 t0 F: M+ ^ <statement sequence1>;
3 |# _# ?1 k; t until <condition>;0 E: p( l3 g( s, p
(4) for <condition> to <condition> loop
3 h2 g4 o g4 Q; Y, U <statement sequence1>;
; g. z6 F c8 K- o4 X5 _0 @3 v/ e' f& w next;
+ I" \2 Q) E% Y% |3 Z$ B8 K# A; \3中断语句
. y. I. h8 K3 x! g; V! @ waituntil <condition> prio <integer expression>;* L1 A+ [; y0 g4 u2 f* g. G9 D
4 X8 F; e. }3 O
# V% @: {. c' J( g. y4 Z$ h以上为常用的函数！: l5 v) g: o% Y; W
还有很多，如有需要我把资料发到你邮箱里 9 A1 S" m7 v' U1 M. C N
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