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发表于 2012-11-13 08:48:12
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1判断语句
; Y4 l# E7 i0 ]2 A if <condition> then# N% M6 l2 J" Y* t
<statement sequence1>;
0 L' x2 G7 i6 T elseif <condition> then+ `. b( I |$ H
<statement sequence2>;' _+ l7 p( t2 |* r$ z. B( B2 L
else , o9 }+ Z/ R6 @# X$ ]
<statement sequence3>;. l [ c! | D
end;2 Y' x. J; P6 i2 P4 {1 \. f* d2 I
如果分支比较多，用：5 K3 m& I# I1 g/ y; ~: D
inspect <expression>
3 o8 n1 Q# |$ \; G7 O) s: L" V when <constant_list> then' d. f8 C: U( x
<statement sequence1>;
$ _' j; E" t7 ?* R3 T when <constant_list> then+ G/ F7 t2 y+ {& E+ [
<statement sequence2>;, S& T' {5 g1 q% M6 ^* Z" B: ]
...$ O2 j8 }6 G+ q( ~+ j9 {% |1 E
else
6 ~: k* s3 ` B5 F <statement sequence3>;5 z% n% d3 W+ ^0 K0 g
end;
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, @ y& g. ]8 M* c& [2循环语句
" \! o- Q1 t% m' B (1) from <statement sequence1>
1 G: Z& ~) M& F4 \' m" D% p until <condition> loop
, z# b, s( }2 Y& h( d W) [; s7 h <statement sequence2>;
* ^8 `7 x; ]4 g end;
/ r% i2 \6 B; v, @ m$ }9 x! z: @ (2) while <condition> loop" H0 z! c* J; n- p9 n* z* G
<statement sequence1>;; c4 J; Q* }7 M
end;
' v3 A- o4 S7 O4 M5 R5 m& @4 X (3) repeat - k9 Q' J: P0 U. d; @0 ?8 A0 j" M
<statement sequence1>;; o8 c7 @ O9 T z
until <condition>;) H, l, I7 ^1 C3 F
(4) for <condition> to <condition> loop6 \. L' e; e' J- T
<statement sequence1>;
1 A2 d' s6 C2 j& o8 t+ W- e next;$ H+ c0 {9 b: ^& s6 T4 |
3中断语句# g. A3 }4 j( ^7 j+ Z
waituntil <condition> prio <integer expression>;8 K% ]( g1 t$ ~$ F& D9 r5 [$ S
, @/ X1 I5 q+ X
; X+ y' i! a! [( d: Y
以上为常用的函数！
* S. H% N7 Y. z还有很多，如有需要我把资料发到你邮箱里
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