📄 例8-8.mht
字号:
s New Roman";
mso-hansi-font-family:"Times New Roman"'>【例</span><span
lang=3DEN-US>8-8</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>】编=
写</span><span
lang=3DEN-US>Function</span><span style=3D'font-family:SimSun;mso-ascii-fon=
t-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>过程=
返回指定字符、长度=
0340;字符串，实现在窗߮=
7;上输出如图</span><span
lang=3DEN-US>8-14</span><span style=3D'font-family:SimSun;mso-ascii-font-fa=
mily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
的图形。</span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lang=
=3DEN-US
style=3D'mso-no-proof:yes'><!--[if gte vml 1]><v:shapetype 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:153pt;
height:63.6pt'>
<v:imagedata src=3D"file0712.files/image001.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D204 height=3D85
src=3D"file0712.files/image002.jpg" v:shapes=3D"_x0000_i1025"><![endif]><o:=
p></o:p></span></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>8-14 <span
style=3D'mso-spacerun:yes'> </span></span><span style=3D'font-family:S=
imSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:Roman'>๛=
5;出图形</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"'>首先编写能够返=
回指定字符、长度字=
1526;串的</span><span
lang=3DEN-US>Function</span><span style=3D'font-family:SimSun;mso-ascii-fon=
t-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>过程=
：</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate
Function <span class=3DSpellE>stri</span>(n As Integer, f As String)<o:p></=
o:p></span></b></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>p =3D
""</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>For <span
class=3DSpellE>i</span> =3D 1 To n<span style=3D'mso-spacerun:yes'> <=
/span><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"'>指定长度</=
span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>p =3D p & " " & f<span style=3D'mso-spacerun:yes'>=
</span><span style=3D'mso-tab-count:7'> =
&nb=
sp; =
&nb=
sp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>连接字符&#=
20018;</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>Next</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan><span
class=3DSpellE>stri</span> =3D p<span style=3D'mso-spacerun:yes'> </s=
pan><span
style=3D'mso-tab-count:8'> &=
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"'>返回函数&#=
20540;</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>En=
d Function<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"'>编写窗体的</span><span
lang=3DEN-US>Click</span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>事件=
代码，调用上述</span><span
class=3DSpellE><span lang=3DEN-US>stri</span></span><span style=3D'font-fam=
ily:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>过程：</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate Sub <span
class=3DSpellE>Form_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 f
As String * 1</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>f =3D <span
class=3DSpellE>InputBox</span>("</span><span style=3D'font-family:SimS=
un;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>显示的字符</span><span
lang=3DEN-US>:", "</span><span style=3D'font-family:SimSun;mso-as=
cii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>请输=
入</span><span
lang=3DEN-US>", "$")<span style=3D'mso-spacerun:yes'> &=
nbsp;
</span><span style=3D'mso-tab-count:2'> =
</span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>指定组成&#=
22270;形的字符</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>If f =3D
"" Then f =3D "$"<span style=3D'mso-spacerun:yes'> =
;
</span><span style=3D'mso-tab-count:6'> =
&nb=
sp; =
&nb=
sp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>输出字符&#=
65292;默认为“</span><span
lang=3DEN-US>$</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>”</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan><span
class=3DSpellE>Cls</span></span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>Print</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>For n
=3D 1 To 7<span
style=3D'mso-spacerun:yes'> </spa=
n><span
style=3D'mso-tab-count:6'> &=
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"'>输出</span><span
lang=3DEN-US>7</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>行</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>Print Tab(2 * n + 2);<span style=3D'mso-spacerun:yes'> </span>=
<span
style=3D'mso-tab-count:6'> &=
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"'>定位</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
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