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发表于 2012-11-13 08:48:12
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1判断语句- x/ h3 N* i- s( X* l% Z# f
if <condition> then& C; q d( b/ v k/ j# p) }
<statement sequence1>;
2 t$ V* P& @, p5 @# R/ d/ q elseif <condition> then7 P9 {% l: E7 k1 H
<statement sequence2>;; u4 |& I) U- ^* v! L+ n) O, [' N0 {& V) A: {
else 4 t p3 _3 z3 x3 y
<statement sequence3>;& H; H" j( m4 K' V' m
end;
* N1 W# g0 e2 e2 h& O+ x如果分支比较多,用:9 R9 n* \& x" o" n6 V- j
inspect <expression>0 i+ F( h( \% ~7 w2 H+ t
when <constant_list> then
/ V4 S; l+ |( ?& F/ K <statement sequence1>;
8 E, m: j2 O+ |7 |5 P- i when <constant_list> then8 y/ D. }9 [$ P* ?8 g
<statement sequence2>;, Q& R2 ]$ u6 G+ q' L$ p
...
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<statement sequence3>;
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2循环语句$ s5 j" k+ Q( E0 D
(1) from <statement sequence1>& p% P& P5 [/ J- _9 a4 a
until <condition> loop2 O: j9 Y% K9 N/ S6 ]
<statement sequence2>;
4 n- w x* x9 N# h2 ^) y& t; E end;/ P; I7 { S9 I/ E! E( f) K
(2) while <condition> loop3 x+ k6 Y7 _% t, V* L$ x
<statement sequence1>;4 J; }$ i1 ]+ Y! a- O, m
end;
& y Q+ C$ O( f (3) repeat
; k9 S o; V6 P4 ], x# T <statement sequence1>;
/ U& r# A" j8 C1 U; [ until <condition>;, c9 V& K3 T+ \( N+ e
(4) for <condition> to <condition> loop3 B! }. T9 [3 S% Q" Q7 U& P
<statement sequence1>;, {6 x9 w1 M0 z& `5 d3 j
next;1 [; Q- z6 p0 F
3中断语句
; u# a- Q% y* ?4 C* M+ j9 c; N6 F waituntil <condition> prio <integer expression>;
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9 H- c( C+ ^0 }% Y% o以上为常用的函数!
8 R& U8 z& j, |5 I7 P% v& }" [8 _还有很多,如有需要我把资料发到你邮箱里
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