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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
& Y" L' f8 o+ c. {6 e1 ^: b! K if <condition> then# C/ _! s+ `* v8 B
<statement sequence1>;
6 I5 J( D: F5 J2 M elseif <condition> then
% G8 J8 T" y3 u5 H9 F5 b <statement sequence2>;
% [6 C, f/ W% Y9 {7 w1 Z& [/ S else
; O* Z1 e4 S3 t' r <statement sequence3>;
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如果分支比较多，用：% O2 ?4 S2 {" j
inspect <expression>8 C: i7 X y3 z; K- c& I2 L! W, g8 r- f
when <constant_list> then
1 O3 H; x; I3 s0 V <statement sequence1>;- m% p3 ?. w7 i* d& F7 s% J
when <constant_list> then: v( V5 i" u* i4 ?. K# J" ~9 u
<statement sequence2>;2 O1 F$ ]- ?. B! O
...
- J4 n5 f( c7 P: a( v/ T, v/ Q else
5 s( {# Y0 z$ {' J <statement sequence3>;; H1 M# C+ n5 q) f
end;! y2 v6 T7 g) r" m' z1 w% Q# ]
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2循环语句
5 j# k9 @8 Q% z) e5 N0 p (1) from <statement sequence1>
) z4 h, h: ~( B' K* [/ d4 n k" r until <condition> loop' W5 _7 o, V( H0 S: S( K1 Y* g; r/ k
<statement sequence2>;
' o: N; a9 t3 c0 w end;- V4 R' H2 |' x
(2) while <condition> loop
, @8 G- J$ P5 ^0 L <statement sequence1>;& H) O8 H7 g8 Z+ {' W( Q" ~
end;9 y, M% @9 i9 m
(3) repeat
$ d' ~+ C" H' B <statement sequence1>;
/ m! L7 }5 _- Y9 [ until <condition>;7 P4 C6 W8 G* @: ?4 Y/ D. f
(4) for <condition> to <condition> loop. ?5 B* F+ T0 A) A: P
<statement sequence1>;) ?8 t- P, X+ H* U4 a: @' S
next;
+ s( b6 l+ P4 {# p3中断语句& ~, b$ Y7 [; U. {; X
waituntil <condition> prio <integer expression>;
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6 h0 n) X) r8 l$ o! @以上为常用的函数！5 e7 J' X2 V0 V2 s" k8 w/ n+ u
还有很多，如有需要我把资料发到你邮箱里
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