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发表于 2012-11-13 08:48:12
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1判断语句
p5 Z" p! G; f if <condition> then/ z T6 t/ e; y+ J9 N' ~3 _
<statement sequence1>;
6 |+ N U F1 w2 D' } ~2 c0 ` elseif <condition> then! d, e0 R6 [) K7 F; u) V4 c1 |, @5 J
<statement sequence2>;
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<statement sequence3>;
& |/ w. @6 s( v9 S0 ^ end;
3 a/ ]4 F( U. H8 f- G0 B: S如果分支比较多，用：. n2 I6 ?* M f% v- S
inspect <expression>6 f6 n6 A0 U {# r0 C ^* ]
when <constant_list> then
8 X+ b( g2 O; u# G q4 F$ j3 J <statement sequence1>;
# _- M# ?5 z B' q4 Y when <constant_list> then5 I" ?" _0 x4 b7 L! o' }
<statement sequence2>;/ Y5 W; H8 }( V" D( B- C0 N7 b
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else2 b1 b* d9 L. V/ @
<statement sequence3>;
c# e, D4 Q# a( lend;
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Z7 a0 Y) a* p2循环语句
4 {/ x, f/ C3 X! K (1) from <statement sequence1>
$ C9 S2 f: P V until <condition> loop$ v) Q( ]* H/ Y2 D5 w
<statement sequence2>;, S9 B9 ?0 }1 v) o7 R7 k
end;
g4 x0 g& B$ O* t1 Y$ I (2) while <condition> loop
! F: W: P' F. x$ _1 g1 l4 Y <statement sequence1>;
# _1 x) x( O7 s0 C( Z' Q. j# _ end;. E E* ^; ?& F% q/ ~
(3) repeat
! a5 m! `1 m" u2 @ <statement sequence1>;
6 P9 D9 o6 S4 v0 b until <condition>;
) s7 P, }7 J% b G (4) for <condition> to <condition> loop
& d4 t1 G% ]) k3 A8 _: B5 w <statement sequence1>;& @& e8 [$ \6 X+ ^
next;
" {( a6 k) h( [% j, Q3中断语句3 e6 [# V$ W; q3 ?$ I$ C7 Q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
$ j( P+ Z" J2 c# Q& s还有很多，如有需要我把资料发到你邮箱里
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