📄 例4-4.mht
字号:
<p class=3Da0><span style=3D'font-family:SimSun;mso-ascii-font-family:"Time=
s New Roman";
mso-hansi-font-family:"Times New Roman"'>【例</span><span
lang=3DEN-US>4-4</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>】设=
计程序如图</span><span
lang=3DEN-US>4-7</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
，实现两个变量值的=
0132;换。</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:120pt;
height:90pt' fillcolor=3D"window">
<v:imagedata src=3D"file6612.files/image001.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D160 height=3D120
src=3D"file6612.files/image002.jpg" v:shapes=3D"_x0000_i1025"><![endif]></s=
pan><span
lang=3DEN-US style=3D'mso-no-proof:yes'><span
style=3D'mso-spacerun:yes'> </span><span
style=3D'mso-spacerun:yes'> </span></span><span lang=3DEN-US style=3D'=
mso-font-kerning:
0pt;mso-no-proof:yes'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1026" type=
=3D"#_x0000_t75"
style=3D'width:120pt;height:90pt' fillcolor=3D"window">
<v:imagedata src=3D"file6612.files/image003.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D160 height=3D120
src=3D"file6612.files/image004.jpg" v:shapes=3D"_x0000_i1026"><![endif]></s=
pan><span
lang=3DEN-US style=3D'mso-no-proof:yes'><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>4-7 <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'>ߝ=
2;换两变量的值</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"'>分析：将两个不=
同的变量设想为两个=
9942;子</span><span
lang=3DEN-US>A</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>、</span><span lang=3DEN-US>=
B</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>，其中分别装有=
不同颜色的液体，要=
0132;换瓶子中的液体。ࡤ=
7;以这样来做：另取一&=
#20010;瓶子</span><span
lang=3DEN-US>C</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，先将瓶</=
span><span
lang=3DEN-US>A</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中的液体&#=
20498;入瓶</span><span
lang=3DEN-US>C</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中，再将&#=
29942;</span><span
lang=3DEN-US>B</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中的液体&#=
20498;入</span><span
lang=3DEN-US>A</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中，最后&#=
23558;瓶</span><span
lang=3DEN-US>C</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中的液体&#=
20498;入</span><span
lang=3DEN-US>B</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>中。</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"'>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=
应用程序用户界面。=
6873;择“新建”工程，进=
入窗体设计器，增加=
9968;个命令按钮</span><span
lang=3DEN-US>Command1</span><span style=3D'font-family:SimSun;mso-ascii-fon=
t-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span><=
span
lang=3DEN-US>4</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>个标签</span><sp=
an
lang=3DEN-US>Label1</span><span style=3D'font-family:SimSun;mso-ascii-font-=
family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>～</span><=
span
lang=3DEN-US>Label4</span><span style=3D'font-family:SimSun;mso-ascii-font-=
family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，如=
图</span><span
lang=3DEN-US>4-8</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>左所=
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=
id=3D"_x0000_i1027"
type=3D"#_x0000_t75" style=3D'width:120pt;height:90pt' fillcolor=3D"window=
">
<v:imagedata src=3D"file6612.files/image005.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D160 height=3D120
src=3D"file6612.files/image006.jpg" v:shapes=3D"_x0000_i1027"><![endif]><sp=
an
style=3D'mso-spacerun:yes'> </span></span><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span lang=3DEN-US style=3D'=
mso-font-kerning:
0pt;mso-no-proof:yes'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1028" type=
=3D"#_x0000_t75"
style=3D'width:120pt;height:90pt' fillcolor=3D"window">
<v:imagedata src=3D"file6612.files/image007.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D160 height=3D120
src=3D"file6612.files/image008.jpg" v:shapes=3D"_x0000_i1028"><![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>4-8<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'>ॿ=
4;立界面与设置属性</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"'>按表=
</span><span
lang=3DEN-US>4-8</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所<span
class=3DGramE>示设置</span>对象属ঝ=
5;。</span></p>
<p class=3DMsoHeading7><span style=3D'font-family:SimHei;mso-ascii-font-fam=
ily:
Arial'>表</span><span lang=3DEN-US>4-8<span style=3D'mso-spacerun:yes=
'>
</span></span><span style=3D'font-family:SimHei;mso-ascii-font-family:Arial=
'>属</span>
<span style=3D'font-family:SimHei;mso-ascii-font-family:Arial'>性</sp=
an> <span
style=3D'font-family:SimHei;mso-ascii-font-family:Arial'>设</span> <s=
pan
style=3D'font-family:SimHei;mso-ascii-font-family:Arial'>置</span></p>
<div align=3Dcenter>
<table class=3DMsoNormalTable border=3D1 cellspacing=3D0 cellpadding=3D0 wi=
dth=3D"100%"
style=3D'width:100.0%;border-collapse:collapse;border:none;mso-border-top-=
alt:
solid windowtext .75pt;mso-border-bottom-alt:solid windowtext .75pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-border-insideh:.75pt solid windowt=
ext;
mso-border-insidev:.75pt solid windowtext'>
<tr style=3D'mso-yfti-irow:0;mso-yfti-firstrow:yes'>
<td width=3D"16%" valign=3Dtop style=3D'width:16.3%;border:solid windowte=
xt 1.0pt;
border-left:none;mso-border-top-alt:solid windowtext .75pt;mso-border-bot=
tom-alt:
solid windowtext .75pt;mso-border-right-alt:solid windowtext .75pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3Da1 align=3Dcenter style=3D'margin:0cm;margin-bottom:.0001pt;te=
xt-align:
center;line-height:16.0pt'><span style=3D'font-family:SimHei;mso-ascii-fo=
nt-family:
"Times New Roman";mso-bidi-font-weight:bold'>对</span><span lang=3D=
EN-US
style=3D'mso-fareast-font-family:SimHei;mso-bidi-font-weight:bold'><span
style=3D'mso-spacerun:yes'> </span></span><span class=
=3DGramE><span
style=3D'font-family:SimHei;mso-ascii-font-family:"Times New Roman";mso-b=
idi-font-weight:
bold'>象</span></span><span lang=3DEN-US style=3D'mso-fareast-font-=
family:
SimHei;mso-bidi-font-weight:bold'><o:p></o:p></span></p>
</td>
<td width=3D"21%" valign=3Dtop style=3D'width:21.3%;border:solid windowte=
xt 1.0pt;
border-left:none;mso-border-left-alt:solid windowtext .75pt;mso-border-al=
t:
solid windowtext .75pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3Da1 align=3Dcenter style=3D'margin:0cm;margin-bottom:.0001pt;te=
xt-align:
center;line-height:16.0pt'><span style=3D'font-family:SimHei;mso-ascii-fo=
nt-family:
"Times New Roman";mso-bidi-font-weight:bold'>属</span><span lang=3D=
EN-US
style=3D'mso-fareast-font-family:SimHei;mso-bidi-font-weight:bold'><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimHei;mso-ascii-font-family:"Times New Roman";mso-b=
idi-font-weight:
bold'>性</span><span lang=3DEN-US style=3D'mso-fareast-font-family:=
SimHei;
mso-bidi-font-weight:bold'><o:p></o:p></span></p>
</td>
<td width=3D"22%" valign=3Dtop style=3D'width:22.82%;border:solid windowt=
ext 1.0pt;
border-left:none;mso-border-left-alt:solid windowtext .75pt;mso-border-al=
t:
solid windowtext .75pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3Da1 align=3Dcenter style=3D'margin:0cm;margin-bottom:.0001pt;te=
xt-align:
center;line-height:16.0pt'><span style=3D'font-family:SimHei;mso-ascii-fo=
nt-family:
"Times New Roman";mso-bidi-font-weight:bold'>属</span><span
style=3D'mso-fareast-font-family:SimHei;mso-bidi-font-weight:bold'> </spa=
n><span
style=3D'font-family:SimHei;mso-ascii-font-family:"Times New Roman";mso-b=
idi-font-weight:
bold'>性</span><span style=3D'mso-fareast-font-family:SimHei;mso-bi=
di-font-weight:
bold'> </span><span style=3D'font-family:SimHei;mso-ascii-font-family:"Ti=
mes New Roman";
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