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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7 c3 k/ V" P' _5 d) m
if <condition> then4 |/ |0 K5 X( ]
<statement sequence1>;' d7 h4 `3 F2 f$ ?
elseif <condition> then
! V9 d+ O0 G* `$ L& ~ <statement sequence2>;$ p( D" r6 d' B9 Q
else
/ f& d, z1 }8 r- s1 A! q0 a7 Y <statement sequence3>;4 [ W/ [% Z4 e: N. u2 E
end;
- M1 h- `3 D9 \. w4 T如果分支比较多,用:6 ]3 p! `9 C: i0 K! {$ p: Q
inspect <expression>. t7 g7 X, c7 w7 ^
when <constant_list> then
/ U1 ~; q5 i: P9 R <statement sequence1>;, ?2 _" F' J: h
when <constant_list> then
7 a# b" [! w3 p, E <statement sequence2>;2 l9 @5 z% P( `. K- i& ]1 A
...
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<statement sequence3>;
" d) T1 Q1 x3 T1 S7 A8 zend;
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2循环语句
$ ?& Q, m* o- p5 i) z: U/ S (1) from <statement sequence1>* V6 x! Y; |7 p) z; }0 ?
until <condition> loop
$ [; x/ b0 Z+ e$ D- a: X! X, ~ <statement sequence2>;
) X3 A2 P3 X j end;/ ~4 z& K& t. L8 o& @ Z; ]
(2) while <condition> loop/ b% A; v( q: ]6 { b
<statement sequence1>;" Q- V2 I2 n/ H2 i% U% C8 z
end;
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<statement sequence1>;
5 D2 j2 X5 l8 j+ r+ e4 l until <condition>;$ D) k0 F9 F; @/ X! M: _) c0 `
(4) for <condition> to <condition> loop7 ~3 u7 x; ]* O& g8 G$ ^) m
<statement sequence1>;% K. X. _) i3 z! `2 o) y
next;) E! l/ Y+ J$ S, g) \8 P
3中断语句9 T _9 q* z: j
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
4 ~# ~5 f$ [" a还有很多,如有需要我把资料发到你邮箱里
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