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发表于 2012-11-13 08:48:12
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1判断语句/ Z& {6 n5 v# e) i- H' R0 L
if <condition> then
! i3 K/ l0 g# n* {$ X" ` <statement sequence1>;
|! t1 I- a$ ~( X( k' ^ elseif <condition> then/ ]3 u0 c' w; j# B9 T% h
<statement sequence2>;
; X( g* W# z, ^% F6 k else
) e8 p' m0 e' e8 c. V( H7 I+ o <statement sequence3>;" J! ~ a, D) S" ]/ D5 W
end;( Q* O% O: O$ Z8 H8 j; r
如果分支比较多，用：
c3 X) t2 r# A- W( B1 l inspect <expression>
6 Z7 t- a8 h3 U% d when <constant_list> then- j: o* k6 v' Y. Y( k
<statement sequence1>;+ h2 z6 E6 p; M& T# L! q. C4 `' ]
when <constant_list> then, [: h% Z" u" o* n
<statement sequence2>;7 r* J7 ]" j! L# [ G! d
...- E: }% Z1 q" E" u
else1 E& W) j' m" I
<statement sequence3>;) L8 S1 m3 h# P2 ?5 \
end;+ K8 t% s" g2 X6 P, ^- m, V% _4 x* I. E
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2循环语句
/ B8 U3 l$ E; V. p8 \4 S (1) from <statement sequence1>
$ r- j7 k3 y1 o3 R; H& ?% E) ]% |+ T$ O until <condition> loop7 {0 g' }7 O" w# f, ~9 V' ~- g
<statement sequence2>;) o1 |. {+ P8 ^1 L2 p' f
end;
1 u: O5 G2 K, v7 O" f7 |4 w+ S$ H9 { (2) while <condition> loop
, }$ V, t3 @( P( v! ^ <statement sequence1>;
; c; u1 K6 y7 w! I: F& N' r$ e/ h end;
4 R2 `$ f/ ^8 O4 M4 {' S+ y (3) repeat 0 S% g5 _ K5 i" f7 ~
<statement sequence1>;: e! ^9 o5 j; Q! h
until <condition>;+ K; z+ X% |" z% F5 r5 P) t, N: M
(4) for <condition> to <condition> loop6 J; T& e: \9 R9 F# D* h
<statement sequence1>;) t* j+ \4 o9 F) k' D, m
next;7 c. X$ c7 z: @& l `+ O0 s$ x
3中断语句
3 C2 v0 h) o) z4 ]8 [6 u" d waituntil <condition> prio <integer expression>;
+ C8 v( ? _" ~! {
$ z6 T: j- p, A( d/ A
) X7 Q' q1 U4 I7 z以上为常用的函数！, T8 d; u* ]' b F e6 m
还有很多，如有需要我把资料发到你邮箱里 ( H+ h5 L3 S5 d! h+ u! d
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