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发表于 2012-11-13 08:48:12
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1判断语句+ J' r7 V9 g( G0 m" S. F# ]& H1 m& c6 i
if <condition> then9 |4 s1 z8 i8 Q/ }
<statement sequence1>;
* q/ b% O3 Q* d% D l: u& ?2 h elseif <condition> then3 H# P$ ^4 n* Y% _4 _1 B6 c5 k6 b" y
<statement sequence2>;
0 t% e$ I7 E X# } else
4 E: a5 m; B7 H1 o9 d; u/ b6 I <statement sequence3>;1 a9 i$ C2 T8 o! x
end;
. r9 h: `6 {. u) `如果分支比较多，用：! A% ~. \& I, Z% z) }
inspect <expression>7 Z/ c8 k" ?, r1 @) P
when <constant_list> then
' R" N; {# |1 U/ V7 F& n <statement sequence1>;: L; j5 V- v' e! I6 y
when <constant_list> then
: Q, [1 N" V* F8 E" B! z <statement sequence2>;
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else
5 v. Z; {' c$ k: S+ } <statement sequence3>;
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2循环语句 `+ y) t9 }1 O9 O" S
(1) from <statement sequence1>
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<statement sequence2>;5 Z# c% K! t; j) M' n# u
end;
, V/ G+ b# y* {& \7 t (2) while <condition> loop
& F4 o4 p+ K9 c' d# q( W; i <statement sequence1>;
+ h3 ], ` _# r, n/ @ end;
6 M/ B5 E* n5 a- h8 L( a$ B (3) repeat
! i% U: y& |2 z5 N' T <statement sequence1>;
1 ?! t0 W! }% V, T( j$ d until <condition>;
q8 [: o0 T4 `1 F' R* B (4) for <condition> to <condition> loop
' d4 t& z. J/ j3 X/ O <statement sequence1>;& s+ ^% i5 f/ K" K: v1 l
next;
- S5 m+ f4 l, H0 q# }( W- a# J3中断语句" A4 V4 d* Z1 x6 l9 H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 {1 D3 P1 H3 r7 A- w% e* p' z
还有很多，如有需要我把资料发到你邮箱里 4 C: z0 j8 R; Q' E! R* Z
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