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发表于 2012-11-13 08:48:12
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1判断语句6 L6 B5 k+ e" s; f
if <condition> then
- H& u: f0 N, U <statement sequence1>;& k9 L5 @4 K; E2 O+ w/ [5 y
elseif <condition> then. v0 Y8 M8 z) M0 L; H+ P* }
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：7 ^. v7 S% t8 Z
inspect <expression>
0 N* @' r8 [7 S9 c h when <constant_list> then+ u( A9 y9 P: q6 G( ?
<statement sequence1>;" q$ b1 r5 M3 p$ `! l% j q
when <constant_list> then( D y- V: A+ s) o# ~
<statement sequence2>;" F* P( u( k; Z& t% t. b2 s; ~
...
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<statement sequence3>;
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2循环语句
" v0 S/ F/ a4 W2 W: N (1) from <statement sequence1>
# O- S4 e2 v4 \8 d) O3 j# t until <condition> loop+ ]5 }! }4 w2 G" [# ] ]
<statement sequence2>;# b3 r& v8 u5 d+ M' ^4 T( S2 _
end;( j; w' i8 L9 y! o# j
(2) while <condition> loop
$ `4 S" R( G/ h <statement sequence1>;: ` d6 P. K0 i* t
end;6 W3 B: N' i7 y
(3) repeat
8 Y4 D, L. ` w8 m) W& S <statement sequence1>;
( Y% ^4 _4 I3 @: J8 i& O" \ until <condition>;/ [+ P& T( @: h9 V
(4) for <condition> to <condition> loop. A- R4 d$ \4 } ~7 d R
<statement sequence1>;0 _! O# f6 U0 j/ i* Y" ~
next;) d2 M# \; L2 U) S
3中断语句7 e5 B; c+ B2 g) R4 y8 z& f
waituntil <condition> prio <integer expression>;' \* N5 q4 h# N! w
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以上为常用的函数！6 c4 L7 |# j) V
还有很多，如有需要我把资料发到你邮箱里 0 j! Q' g. m4 L, m4 I
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