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发表于 2012-11-13 08:48:12
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1判断语句# N' d4 s3 m/ R, J2 g w
if <condition> then& y' Q( g0 P2 E; T
<statement sequence1>;
1 d5 X2 T' h, X6 Y elseif <condition> then6 K/ P$ |' S# u- H+ D
<statement sequence2>;
; ~% W$ e9 ~* g. F, U else - S1 A# r3 l1 J
<statement sequence3>;" }! h( ?* ?/ y4 ]; z1 \
end;4 n- S' f* k' @
如果分支比较多，用：
! [# o& L. m. } inspect <expression>8 L7 x* R3 B) s. M& h
when <constant_list> then
5 o/ [: |7 v; a) Y# s& m <statement sequence1>;0 Q# G8 J" f+ i
when <constant_list> then
! P7 h2 R" q+ O6 c' {* \3 F- Z, T <statement sequence2>;
, t0 I" e+ R3 v ...
7 r9 l. k7 f; @4 R( f' q; m/ _+ U else
8 g" X1 h) `! v" `. c+ E <statement sequence3>;! `) p; ]$ T, X
end;( } O' D% z. g2 E( R( \
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2循环语句; Z" C1 Z* Z; q8 t# k! Z6 t
(1) from <statement sequence1>/ x7 g" e5 V+ S9 s
until <condition> loop/ G7 q& a, [" ~) y# _; n
<statement sequence2>;
7 o* D, K3 U: Z. X, l end;- z4 c" A% w$ v& y! c: l& q
(2) while <condition> loop
5 Q4 t* Q7 ~" i+ K; I1 F" g <statement sequence1>;! e. O0 O0 p" ?" J/ U, _) @
end;4 f/ ?! `+ s6 { D! j
(3) repeat
& Z( r/ m& {8 h4 b <statement sequence1>;7 @$ n/ B F) H3 }7 E# W1 {2 Y9 C
until <condition>;8 E! h* r. P% q8 k. E: v
(4) for <condition> to <condition> loop9 s J/ j& U7 T$ i- i- } q7 V
<statement sequence1>;
% P: S( Y& n3 B+ Z0 { next;4 ^$ `9 n. V4 i/ j* O. }
3中断语句 t" ?. ]; K+ W) N$ g
waituntil <condition> prio <integer expression>;
7 X" ?# _2 T: S' L" D9 X) z# _1 @, F! K' ^1 J% I" W; v) O) ]! t- E9 y. y
/ J- x0 [/ }8 b7 p! {3 Y以上为常用的函数！+ P4 z5 y. z- C, ?1 M+ }
还有很多，如有需要我把资料发到你邮箱里
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