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发表于 2012-11-13 08:48:12
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1判断语句' b6 |5 L3 y6 H3 ?; a1 m4 f2 G$ }* \
if <condition> then
9 \5 B4 ^; ~' B V <statement sequence1>;( e8 B+ I. ]9 K4 S: i4 T
elseif <condition> then! X6 c8 P# b9 F3 J
<statement sequence2>;
- r' @9 r' b9 r! @ else
x: Y) j* l Q& [# U <statement sequence3>;2 ~2 K7 w* H: N H+ H% s
end;) b) Q Q" z: B# b: [$ r
如果分支比较多,用:# ~+ z( F7 X% l) n& Z* l* M
inspect <expression>7 f* \/ ?+ w( q4 u
when <constant_list> then
! O8 N2 Y9 r& ]3 M <statement sequence1>;' v6 G2 H) z5 Z/ U: w% O
when <constant_list> then
2 C: V3 M$ ], D q4 B <statement sequence2>;
2 g+ p: o( O! n+ c. b ...
6 l0 [. |( |; Z/ q1 e else
- @. R$ \* L& b' o <statement sequence3>;
4 S1 v- ?8 z3 P$ kend;3 I- N. d$ {, q! s
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2循环语句
7 X9 d' ] \9 `6 K" W% N (1) from <statement sequence1>" `! C3 W/ w2 x% z$ W4 v
until <condition> loop
6 T6 @- B0 @, C <statement sequence2>;8 I9 o' b8 N; i3 A0 C
end;
" N9 C6 Z" s# B3 s' t K3 Z+ H (2) while <condition> loop4 Q, _ O: R" o9 Q( [6 d
<statement sequence1>;
! x3 e! Q! X/ T' F( w/ w# Y7 z end;* V, l# ^! G: [2 e3 H& [" C( S% {
(3) repeat , g$ g: c5 p+ k' _- e3 w
<statement sequence1>;
) \1 p, \2 A* ? Z! f# w) U9 M+ L: u9 ^+ k until <condition>;' e7 o! S8 v2 w, S, r
(4) for <condition> to <condition> loop- [. P1 h( f3 Q
<statement sequence1>;! T- u+ x! R& [" S% G
next;
# S3 t5 U( y" g2 I% Q2 r% H" E9 X3中断语句
/ m4 E( G! ^: G0 H# L* N waituntil <condition> prio <integer expression>;
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以上为常用的函数!
, c, b9 k" H; n$ N0 o/ A, Y- a还有很多,如有需要我把资料发到你邮箱里
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