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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
( Q3 h6 @* |2 j% V% L. k! t; R8 g8 [ if <condition> then1 `* Q8 } e! ]' c5 X
<statement sequence1>;1 i' M1 d4 O$ O9 ^. I3 l2 ]! ~
elseif <condition> then
" K( R4 C( P, y6 h I <statement sequence2>;' D( d: r: `8 t9 q) j# L* l9 v
else
' c: \( v4 B7 C* I) s( t7 [ <statement sequence3>;) l! i) x: O' l/ _# |- h6 t
end;
8 o: S4 w$ W9 C2 J如果分支比较多，用：7 c( S) j H' {, `2 ]
inspect <expression>* S) z( w3 T$ k2 r. H
when <constant_list> then
; w& ~; ]% A% z( e, g <statement sequence1>;; H) `2 ~/ [8 X% P; P' i0 t
when <constant_list> then
4 ?1 J. o% y' K9 l5 t8 ? <statement sequence2>;
! U& T* D0 j" h: g# M8 h ...
- B7 N0 f3 S" l W else
" M2 x; J% D5 ]( M5 \ <statement sequence3>;1 n0 c- C/ Q3 B. `
end;
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2循环语句
2 o \7 _& K0 C* N. _1 t (1) from <statement sequence1>
, X+ P2 x9 {7 T: n# h until <condition> loop
s+ p) Z$ D$ \2 _. Q3 N1 G <statement sequence2>;
; W/ b8 k) W0 v7 X) j3 o end;# s) W, D3 T1 B! _0 d1 h" ]
(2) while <condition> loop+ V1 @3 o: g7 A
<statement sequence1>;
! \* T/ M+ x: Q end;
8 a Y! w* U' B) p6 W7 B$ U) w (3) repeat * z. s6 o! _5 m- m) d7 m
<statement sequence1>;
- v" w8 D& a6 T1 X until <condition>;. K, l4 }! a4 ?
(4) for <condition> to <condition> loop! z9 m+ x5 k) i7 _! x/ k
<statement sequence1>; [( F& k8 @7 N
next;
& u5 m7 V' `* ~4 I6 \5 j3中断语句
& Y; V- c# U4 f4 g8 R$ I' f waituntil <condition> prio <integer expression>;
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$ N+ T4 J! m3 z以上为常用的函数！/ I1 h5 |9 l$ D$ z( Q0 Q9 ]
还有很多，如有需要我把资料发到你邮箱里 3 ~5 p8 D, Z3 b# h4 u, }
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