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发表于 2012-11-13 08:48:12
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1判断语句2 i' d+ [0 i( q' ] F4 ^
if <condition> then6 g }& D$ i7 o* g( f1 |
<statement sequence1>;
4 F+ g/ ~/ w8 s$ C! L9 l elseif <condition> then$ s0 x) N& k( l: r! R8 W
<statement sequence2>;
2 \3 u' L. f. b- V" [ else
) |$ |. {) J; ~7 ~3 _- \ <statement sequence3>;+ y& _. C) \( [& ^; E( m7 ?
end;( K0 D) ~9 G2 M ^
如果分支比较多，用：/ x8 G0 R0 ?# A
inspect <expression>
1 x; X' E& c; E9 ^3 p, u! w2 W when <constant_list> then
9 l: i+ P: }4 F# J" `# o <statement sequence1>;
( T- O" J. K0 P( o- @ when <constant_list> then
8 E% `" B1 w" m9 S) p <statement sequence2>;: n2 O5 Y5 P, n7 E' O, E
...
9 L3 \. j; M. O1 e+ W! G1 { else! ~/ J m& f0 a0 `) ]
<statement sequence3>;
3 U* s+ }# ~) @) rend;
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) g3 S6 t) I/ }& p) D' Z4 K. X( T2循环语句 D5 I1 n* q# B- V+ D. v0 L
(1) from <statement sequence1>
0 `- G, `3 O& q3 k: J' l& n until <condition> loop+ P2 a# G& I- O
<statement sequence2>;
2 ~3 k6 G4 W; g9 [. z6 I end;
2 T) V9 o# Z7 m+ s& }, l1 N (2) while <condition> loop
" x7 r' F5 u B) S' m7 ~& o <statement sequence1>;# Q+ S) e+ C2 q* s' p, a+ V8 A
end;
/ b9 t |4 `9 } (3) repeat 7 ^& [' s* q6 F2 T3 f
<statement sequence1>;
( L& G9 @. v1 `1 g, g1 n( w0 } until <condition>;/ H: j( h1 \# G! ?8 J5 @8 n
(4) for <condition> to <condition> loop
) h* N. @% j' l. l: M <statement sequence1>;
" u) _% ]$ g4 K# ?/ r# M next;
9 R4 G5 s" g3 K, ?* q& c# N3中断语句
6 m. s) g: O& a8 R waituntil <condition> prio <integer expression>;% N0 |% Q/ g9 y9 d
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# l8 e: G1 T& ] b以上为常用的函数！
: E& n# J [- B# P4 J# p还有很多，如有需要我把资料发到你邮箱里 % Y& y) z& p' ]( _8 R& Q. H2 c2 }
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