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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3 N& }) G9 S( M0 P
if <condition> then
, g" l6 ]! K: Y# B7 Y" y6 W <statement sequence1>;' P3 [4 E$ ^4 _3 }
elseif <condition> then6 C5 d. A- ?/ X3 _
<statement sequence2>;" c5 a) ~# [5 D
else $ Y# r6 |) k2 J; A6 N
<statement sequence3>;
6 e8 a0 d5 F' d% l' y- d- ^ end;
* ^; q8 H3 M, {% q5 k如果分支比较多,用:; ?6 s2 w) E( S. l! V# ] D+ Y3 Y
inspect <expression>* Q+ s F2 n6 p% K
when <constant_list> then
4 i8 F/ }8 S; s) P% U2 z <statement sequence1>;* ^! r6 K8 Q1 o) g
when <constant_list> then
; H4 |" s$ O; g" R' ~1 t* |, h) v/ K <statement sequence2>;. E( I% y4 L+ t) j
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else
1 s& S8 j. A7 U$ S) B- p <statement sequence3>;
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2循环语句
) m" B. W" ^6 \5 c5 I0 ~$ ]8 p; S' ` (1) from <statement sequence1>) s1 }3 a0 r+ Z. Q# D' _* A
until <condition> loop, Y& O* F/ j ^# n+ R
<statement sequence2>;7 k7 `: |. y8 b3 y1 Z6 n
end;
0 x" c' U$ u3 G: t' I: A (2) while <condition> loop
5 F; @2 ~4 ?" F6 `! ]. p <statement sequence1>;+ ?! m8 ?; Z H
end;
% f- Q; U2 t3 q a (3) repeat
3 g9 Y1 J# \! V! g <statement sequence1>;4 L) i6 c* s( k, p) n7 I: q3 I2 k; Z
until <condition>;# i, Z. ?* v) p. B
(4) for <condition> to <condition> loop
9 k4 {* I1 z$ U" h# l <statement sequence1>;8 t7 F% s$ g) k. }0 ~8 K, E2 @
next;1 |- {. z. H: n B, M. P | {5 P# L
3中断语句7 u( w4 t6 m7 k. V7 [* ?
waituntil <condition> prio <integer expression>; w, F# y" H4 { v3 Z& C& ?2 m* }$ v
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以上为常用的函数!5 V( r: N' G/ I+ |
还有很多,如有需要我把资料发到你邮箱里
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