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发表于 2012-11-13 08:48:12
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1判断语句/ {9 Q% \' ~) u' H; v3 J7 Q2 f
if <condition> then
0 H) X/ H, R; Y# C <statement sequence1>;- [1 a4 y; e7 e7 J% ^* l
elseif <condition> then; ?" z8 y H3 Y4 h
<statement sequence2>;6 U) F* I' R9 k8 \$ N
else 3 _1 d5 p3 C" }. L* M! Y5 ?
<statement sequence3>;
& |3 T+ ]1 ]5 c( X" e end;
0 \( a8 q/ `+ U6 r3 M如果分支比较多，用：. ~0 ~' I- x2 j7 L! p! u( I
inspect <expression>
" f& B0 {' u6 A2 m( F, R: w when <constant_list> then
& J# W) l, S# _& s3 E9 V <statement sequence1>;8 }- ?' a0 D2 y+ h( P' b. c
when <constant_list> then6 B8 i4 |8 `& \9 p) h
<statement sequence2>;
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else
, A) d+ v2 F u+ ^% F/ X <statement sequence3>;
5 T$ a, G* u( c& J, {& nend;
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2循环语句
; z% F/ M1 J* Q (1) from <statement sequence1>
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5 C9 Q7 o r2 A4 T- R+ b! n <statement sequence2>; G4 `4 R* K) y3 R4 M9 ~
end;: r4 ^) h! [/ z7 p$ @
(2) while <condition> loop8 @5 y3 s4 n/ |. g# ]. ~& x
<statement sequence1>;; f7 A" }# M. s t
end;" x6 P. f! v; C: ^# g! r n% @
(3) repeat
# p6 a$ U8 `" R2 c1 K: n <statement sequence1>;. m8 R+ j) u; e/ r- A) `
until <condition>;# J9 h2 ?6 L" o7 h6 Y: g
(4) for <condition> to <condition> loop
7 Z7 J4 a8 {% i8 Q <statement sequence1>;' M ^" b: @+ M3 Q/ `
next;
" _2 E9 x X5 I& X* Q3中断语句- h+ m4 q& z( L+ l. b+ W* P/ e' ]
waituntil <condition> prio <integer expression>;/ b: k) k9 G( c$ S
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1 ^" R: a: R) a0 @1 c, }
以上为常用的函数！
# N) r& |& `6 g I# m还有很多，如有需要我把资料发到你邮箱里 ) R; y( a5 v5 C4 ^+ E
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