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发表于 2012-11-13 08:48:12
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1判断语句" R4 [ h1 E. m2 b# Y( J
if <condition> then* b5 W# {+ N- M+ `: |) q
<statement sequence1>;
7 d5 |6 Q- k# _0 H. y, X elseif <condition> then
% M3 C0 m" Z2 [ <statement sequence2>;
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<statement sequence3>;2 H3 M$ y, g w$ |9 x* h
end; Z5 d, \9 x; g9 S) B$ Z
如果分支比较多，用：
9 Y2 C+ \4 L1 G8 P inspect <expression>
+ m/ I; x( b* t) |/ B when <constant_list> then6 p( ~8 i* K5 W: x
<statement sequence1>;
/ |3 I/ O- ]6 G: X9 ^; ] when <constant_list> then% {& I( b4 H' j$ S1 s
<statement sequence2>;
& Q/ A' H( W. \) }, R; V! z2 U ...
+ P/ P; ^/ F ~ else
7 K! {6 |* v( \" H <statement sequence3>;! e- _; a/ G$ _+ D* A$ |# h4 v% L3 W S
end;3 f: F: ^6 }, _, r/ G5 Y
) m# g$ E2 r4 b2循环语句0 |$ }8 b3 K$ N+ _" U
(1) from <statement sequence1>
) Y' D6 P' u8 ^. F- w2 e9 J until <condition> loop0 B( ~ I/ y$ p/ i8 _
<statement sequence2>;6 O; g8 o5 }6 `
end;6 z7 Y( N) y* {
(2) while <condition> loop
& r8 V+ H+ T: T" w: v# T( c, Q <statement sequence1>;
& H4 L& s4 |( x: l; ~+ b s2 Y end;. L' D" \6 g0 @2 K0 T
(3) repeat 5 t0 O3 c- v0 k* A0 r0 ]
<statement sequence1>;
1 O2 w! p( |/ R8 S/ ] until <condition>;! {% s: E6 {3 o& n
(4) for <condition> to <condition> loop
l$ g! l7 U+ k <statement sequence1>;; Q2 j* c( @" F% R
next;
' E7 A: F, j- G+ Y- v( l3中断语句) _" i3 d2 m; j2 b" _( k
waituntil <condition> prio <integer expression>;
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以上为常用的函数！ n* y2 Y& O H; p! g7 U
还有很多，如有需要我把资料发到你邮箱里 - w1 R. k; c) n) @8 Z
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