📄 例6-7.mht
字号:
font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，其=
循环条件是</span><span
lang=3DEN-US>s <=3D 5000</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。由=
于求的是最大</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>值，输出&#=
35821;句应在循环体外。</spa=
n></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>设计步骤如下：=
</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>①</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>建立=
用户界面和设置对象=
3646;性，如图</span><span
lang=3DEN-US>6-9</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
。</span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lang=
=3DEN-US
style=3D'mso-font-kerning:0pt;mso-no-proof:yes'><!--[if gte vml 1]><v:shape=
type
id=3D"_x0000_t75" coordsize=3D"21600,21600" o:spt=3D"75" o:preferrelative=
=3D"t"
path=3D"m@4@5l@4@11@9@11@9@5xe" filled=3D"f" stroked=3D"f">
<v:stroke joinstyle=3D"miter"/>
<v:formulas>
<v:f eqn=3D"if lineDrawn pixelLineWidth 0"/>
<v:f eqn=3D"sum @0 1 0"/>
<v:f eqn=3D"sum 0 0 @1"/>
<v:f eqn=3D"prod @2 1 2"/>
<v:f eqn=3D"prod @3 21600 pixelWidth"/>
<v:f eqn=3D"prod @3 21600 pixelHeight"/>
<v:f eqn=3D"sum @0 0 1"/>
<v:f eqn=3D"prod @6 1 2"/>
<v:f eqn=3D"prod @7 21600 pixelWidth"/>
<v:f eqn=3D"sum @8 21600 0"/>
<v:f eqn=3D"prod @7 21600 pixelHeight"/>
<v:f eqn=3D"sum @10 21600 0"/>
</v:formulas>
<v:path o:extrusionok=3D"f" gradientshapeok=3D"t" o:connecttype=3D"rect"/>
<o:lock v:ext=3D"edit" aspectratio=3D"t"/>
</v:shapetype><v:shape id=3D"_x0000_i1025" type=3D"#_x0000_t75" style=3D'wi=
dth:124.8pt;
height:80.4pt'>
<v:imagedata src=3D"file8663.files/image001.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D166 height=3D107
src=3D"file8663.files/image002.jpg" v:shapes=3D"_x0000_i1025"><![endif]><sp=
an
style=3D'mso-spacerun:yes'> </span><!--[if gte vml 1]><v:shape id=3D"=
_x0000_i1026"
type=3D"#_x0000_t75" style=3D'width:124.8pt;height:80.4pt'>
<v:imagedata src=3D"file8663.files/image003.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D166 height=3D107
src=3D"file8663.files/image004.jpg" v:shapes=3D"_x0000_i1026"><![endif]></s=
pan></p>
<h6><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roma=
n";
mso-hansi-font-family:Roman'>图</span><span lang=3DEN-US>6-9<span
style=3D'mso-spacerun:yes'> </span></span><span style=3D'font-family:=
SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:Roman'>ఴ=
3;序界面与运行结果</span></=
h6>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>②</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>编写=
事件代码。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>编写“计算”命&#=
20196;按钮</span><span
lang=3DEN-US style=3D'mso-bidi-font-weight:bold'>Command1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>的</span><span lang=3DEN-US>Click</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>（单击）事件代=
码：</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate Sub
Command1_<span class=3DGramE>Click()</span><o:p></o:p></span></b></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>Dim n <span
class=3DGramE>As</span> Integer, s As Long</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan><span
class=3DSpellE>CurrentY</span> =3D Label2.Height + 200<span style=3D'mso-ta=
b-count:
3'> =
</span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>确定输出&#=
20301;置</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>n =3D 1 <span
style=3D'mso-tab-count:4'> &=
nbsp; &nbs=
p; </span><span
style=3D'mso-tab-count:4'> &=
nbsp; &nbs=
p; &=
nbsp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>计数器赋&#=
21021;值</span><span
lang=3DEN-US>1</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>s =3D 1<span
style=3D'mso-tab-count:8'> &=
nbsp; &nbs=
p; &=
nbsp; &nbs=
p; &=
nbsp; </span>'
</span><span class=3DGramE><span style=3D'font-family:SimSun;mso-ascii-font=
-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>累乘=
器赋</span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>初值</span><span lang=3DEN-US>1</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>Do
While s <=3D 5000 <span style=3D'mso-tab-count:5'> &nbs=
p; &=
nbsp; &nbs=
p; &=
nbsp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>循环条件</=
span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>n =3D n + 1<span style=3D'mso-tab-count:7'> &=
nbsp; &nbs=
p; &=
nbsp; &nbs=
p; &=
nbsp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>计数器累&#=
21152;</span><span
lang=3DEN-US>1</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>s =3D s * n<span style=3D'mso-spacerun:yes'> </span><span
style=3D'mso-tab-count:7'> &=
nbsp; &nbs=
p; &=
nbsp; &nbs=
p; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>累乘</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>Print n, s<span
style=3D'mso-spacerun:yes'> </span><span
style=3D'mso-tab-count:6'> &=
nbsp; &nbs=
p; &=
nbsp; </s=
pan>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>通过本行&#=
21487;以看到循环过程</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan><st1:place
w:st=3D"on">Loop</st1:place></span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'>
</span>Label1.Caption =3D "n =3D " & <span class=3DSpellE><sp=
an
class=3DGramE>Str</span></span><span class=3DGramE>(</span>n – 1)</sp=
an></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>En=
d Sub<o:p></o:p></span></b></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>运行程序，结果=
如图</span><span
lang=3DEN-US>6-9</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p>
</div>
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