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发表于 2012-11-13 08:48:12
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1判断语句8 |6 B5 u3 c1 n$ B
if <condition> then5 R% `1 N9 @; n6 g+ `8 T4 ]
<statement sequence1>;
, K/ X: l5 r2 m9 [& W3 B( ~ elseif <condition> then7 H# n3 o- a/ _! E: v' a
<statement sequence2>;
0 L7 J X0 g0 G' j/ \4 k6 m else
- ?5 Z3 X* G' b' h$ B& I6 G/ w <statement sequence3>;; t+ [7 V: ?. w1 y# w
end;
& M' d/ F- y9 C1 ?7 j: D7 X4 V! d如果分支比较多，用：( R6 U' L5 \/ C. o2 M, R
inspect <expression>
L8 B i4 u, {$ V& [8 V% {4 W when <constant_list> then' }1 Z; [* j8 O; k4 O. v
<statement sequence1>;$ |( e. R9 }+ ~; H3 W* C G
when <constant_list> then
: F5 _7 ^' G' h' R! b6 f, ?- m <statement sequence2>;6 {5 e0 O1 x3 X" C, h: g) Q
...; S: Q1 b% m) C/ L
else
& v! E8 f3 C5 E% v, q <statement sequence3>;1 m4 \# x7 L, a E
end;- b8 s. d9 u! i' t- x3 n
" `* P! y6 }* m2循环语句
/ a N& f6 M/ k (1) from <statement sequence1>0 @. @% z( _0 A- ]
until <condition> loop/ u6 O$ f6 k5 Y1 d8 K, s
<statement sequence2>;9 l: ~# F. @: a, {' P6 c
end;
7 X- E( i2 {4 Y5 ^ (2) while <condition> loop
/ l5 Z1 X/ h, K4 A% r9 ] <statement sequence1>; p. V; e7 L8 F1 d( g: u/ Q( F
end;) y1 C# R/ o7 y
(3) repeat 5 d# t8 f- t+ g1 H, P1 ?5 `* n: v
<statement sequence1>;
1 g" G6 V' N. O2 E, B+ X; g until <condition>;- S$ G( R' Y, u0 v- f7 A
(4) for <condition> to <condition> loop
4 ~. N+ z; n, t0 x6 a0 X <statement sequence1>;$ A Y% e4 q$ m
next;
- q; q' h* `- g* M5 `3中断语句$ y( m0 c% ~8 N
waituntil <condition> prio <integer expression>;$ [8 N* m( J7 d3 N, r$ A! |3 T
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4 L4 [% g9 F) A, ]& b( i+ E
以上为常用的函数！5 u! Y6 T( {$ m1 w2 d
还有很多，如有需要我把资料发到你邮箱里
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