医学VB实验练习题复习资料.docx

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医学VB实验练习题复习资料.docx

医学VB实验练习题复习资料

VB实验代码

实验一

1-1

PrivateSubCommand1_Click()

Text1=""

Text2=""

Text3=""

EndSub

PrivateSubCommand2_Click()

Text3=Val(Text1)/Val(Text2)

EndSub

PrivateSubCommand3_Click()

Text1=Val(Text3)*Val(Text2)

EndSub

PrivateSubCommand4_Click()

End

EndSub

实验二

2-1

PrivateSubCommand1_Click()

Label1=Text1

EndSub

PrivateSubForm_Load()

Text1.PasswordChar="*"

Text1.FontSize=20

Label1.FontSize=20

Label1.Alignment=2

Label1.BorderStyle=1

Label1.BackColor=vbWhite

Command1.FontSize=20

EndSub

2-2

PrivateSubCommand1_Click()

Label1="欢迎来到重庆"

Command1.Visible=False

Command2.Visible=True

EndSub

PrivateSubCommand2_Click()

Label1="welcometoChongQing"

Command2.Visible=False

Command1.Visible=True

EndSub

PrivateSubForm_Load()

Label1="欢迎来到重庆"

Label1.Alignment=2

Command1.Visible=False

Command2.Visible=True

EndSub

2-3

PrivateSubForm_Load()

Label1.BackColor=vbRed

Label2.BackColor=vbBlue

Label3.BackColor=vbGreen

Label4.BackColor=vbYellow

EndSub

PrivateSubLabel1_Click()

Text1.ForeColor=Label1.BackColor

EndSub

PrivateSubLabel2_Click()

Text1.ForeColor=Label2.BackColor

EndSub

PrivateSubLabel3_Click()

Text1.ForeColor=Label3.BackColor

EndSub

PrivateSubLabel4_Click()

Text1.ForeColor=Label4.BackColor

EndSub

PrivateSubText1_Change()

EndSub

实验三

3-1

PrivateSubCommand1_Click()

DimRAsSingle

ConstPiAsSingle=3.1415926

R=Val(Text1)

Label3=Int(2*Pi*R*1000+0.5)/1000

Label5=Int(Pi*R^2*1000+0.5)/1000

EndSub

3-2

PrivateSubCommand1_Click()

DimLxAsLong,UxAsLong

Lx=Val(Text1)

Ux=Val(Text2)

Randomize

Label3=Int((Ux-Lx)*Rnd+Lx)

EndSub

3-3

PrivateSubCommand1_Click()

DimxAsInteger

x=Val(InputBox("请输入一个整数!

"))

Picture1.Cls

IfxMod2=0Then

Picture1.Print"你输入的数";x;"是偶数"

Else

Picture1.Print"你输入的数";x;"是奇数"

EndIf

EndSub

3-4

3-5

PrivateSubCommand1_Click()

DimaAsDate

a=Now

Print"输出结果为:

"

Print

PrintFormat(a,"hh:

mm:

ssAMPMdddd,yyyy-mm-dd")

EndSub

PrivateSubForm_Load()

Form1.FontSize=18

Command1.FontSize=15

EndSub

实验四

4-1

Ifa=0Then

Ifb=0Then

MsgBox("方程无解")

Else

r1=-c/b

MsgBox("方程有一个根为:

"+Str(r1))

EndIf

Else

d=b*b-4*a*c

Ifd>0Then

r1=(-b+Sqr(d))/(2*a)

r2=(-b-Sqr(d))/(2*a)

MsgBox("方程有两个根为:

"+Str(r1)+Chr(13)+""+Str(r2))

ElseIfd=0Then

r1=-b/(2*a)

MsgBox("方程有两个相同根为:

"+Str(r1))

Else

MsgBox("方程无实根")

EndIf

EndIf

EndSub

PrivateSubCommand2_Click()

End

EndSub

4-2

PrivateSubCommand1_Click()

DimaAsDouble,bAsDouble

DimysAsString*1

a=Val(Text1)

b=Val(Text3)

ys=Text2

SelectCaseys

Case"+"

Label4=a+b

Case"-"

Label4=a-b

Case"*"

Label4=a*b

Case"/"

Ifb=0Then

MsgBox"除数不能为0!

重新输入"

Text3.SetFocus

Text3.SelStart=0

Text3.SelLength=Len(Text3)

Else

Label4=a/b

EndIf

EndSelect

EndSub

4-3

PrivateSubCommand1_Click()

DimaAsSingle

DimbAsSingle

DimcAsSingle

DimtAsSingle

a=Val(InputBox("请输入第一个数:

"))

b=Val(InputBox("请输入第二个数:

"))

c=Val(InputBox("请输入第三个数:

"))

Label1="输入的三个数为:

"&a&"、"&b&"、"&c

Ifa

a=b:

b=t

Ifa

t=c:

c=b:

b=a:

a=t

Else

Ifb

b=c:

c=t

EndIf

Label2="排序后的结果为:

"&a&"、"&b&"、"&c

EndSub

4-4

Text1.SelLength=1

EndSub

PrivateSubCommand2_Click()

DimzfAsString

DimzaAsInteger

zf=Text1

za=Asc(zf)

SelectCaseza

CaseAsc("A")ToAsc("Z")

Label3=Chr(za+32)

CaseAsc("a")ToAsc("z")

Label3=Chr(za-32)

CaseElse

Label3="*"

EndSelect

Text1.SetFocus

Text1.SelStart=0

Text1.SelLength=1

EndSub

PrivateSubForm_Load()

Text1.MaxLength=1

EndSub

实验五

5-1

PrivateSubCommand1_Click()

DimnAsInteger,sumAsSingle

n=0

sum=0

Do

n=n+1

sum=sum+n^2

LoopUntilsum>1000

Label2="n="&n

EndSub

5-2

PrivateSubCommand1_Click()

DimnAsInteger,iAsInteger

DimsumAsSingle,midAsSingle

n=Val(InputBox("请输入n值"))

sum=0

mid=0

Fori=1Ton

mid=mid+i

sum=sum+mid

Nexti

Label4=n

Label5=sum

EndSub

5-3

PrivateSubCommand1_Click()

DimxAsInteger,maxAsInteger,minAsInteger

DimkAsInteger

Randomize

Picture1.Cls

max=100

min=999

Fork=1To10

x=Int(Rnd*900+100)

Ifmax

Ifmin>xThenmin=x

Picture1.Printx

Nextk

Text1=max

Text2=min

EndSub

5-4

实验六

6-1

PrivateSubCommand1_Click()

Dimcj(1To10)AsSingle

DimsumAsSingle,iAsInteger

sum=0

Cls

Fori=1To10

cj(i)=Val(InputBox("请输入第"&i&"位同学的成绩:

"))

sum=sum+cj(i)

Nexti

Print"这10位同学的成绩如下:

"

Fori=1To10

Printcj(i);

IfiMod5=0ThenPrint

Nexti

Print

Print"平均成绩为:

";Spc(3);sum/i

EndSub

6-2

PrivateSubCommand1_Click()

Dima(5,5)AsInteger

DimsAsInteger

Cls

Fori=1To5

PrintTab(10);

Forj=1To5

a(i,j)=Int(Rnd*10)

Printa(i,j);

Nextj

Print

Nexti

s=0

Fori=2To5

Forj=1Toi-1

s=s+a(i,j)

Nextj,i

Print

Print"下三角元素之和为:

";s

s=0

Fori=1To4

Forj=i+1To5

s=s+a(i,j)

Nextj,i

Print"上三角元素之和为:

";s

s=0

Fori=1To5

s=s+a(i,i)

Nexti

Print"主对角线元素之和为:

";s

EndSub

6-3

PrivateSubCommand1_Click()

ReDimsl(1To6)

DimiAsInteger,jAsInteger,tAsInteger

Cls

Fori=1To6

sl(i)=Int(90*Rnd+10)

Nexti

Fori=1To5

Forj=i+1To6

Ifsl(i)

t=sl(i)

sl(i)=sl(j)

sl(j)=t

EndIf

Nextj

Nexti

Print"原数据序列是:

"

Fori=1To6

Printsl(i);

Nexti

Print

EndSub

PrivateSubCommand2_Click()

ReDimPreservesl(1To7)

DimnAsInteger

n=Val(InputBox("请输入一个两位数:

"))

Print"插入的数为:

";n

Fori=6To1Step-1

Ifn

ExitFor

Else

sl(i+1)=sl(i)

EndIf

Nexti

sl(i+1)=n

Print"新的数据序列是:

"

Fori=1To7

Printsl(i);

Next

EndSub

6-4

实验七

7-1

7-2

PrivateSubCommand1_Click()

DimaAsSingle,bAsSingle,cAsSingle

a=Val(InputBox("请输入第一个数:

"))

b=Val(InputBox("请输入第二个数:

"))

c=Val(InputBox("请输入第三个数:

"))

Print"输入的三个数是:

";a;b;c

Print"其中的最大值是:

";Max3(a,b,c)

EndSub

FunctionMax3(ByValXAsSingle,ByValYAsSingle,ByValZAsSingle)AsSingle

IfX>=YAndX>=ZThen

Max3=X

ElseIfY>=ZThen

Max3=Y

Else

Max3=Z

EndIf

EndFunction

7-3

PrivateSubCommand1_Click()

DimaAsString*1

a=InputBox("请输入一个字符:

")

Print"输入的字符是:

";a

Print"它是:

";

CallPd(a)

EndSub

SubPd(ByValOsAsString)

DimaAsInteger

a=Asc(Os)

SelectCasea

Case48To57

Print"数字字符"

Case65To90

Print"大写字母"

Case97To122

Print"小写字母"

CaseElse

Print"其它字符"

EndSelect

EndSub

7-4

PrivateSubCommand1_Click()

DimaAsLong

a=Val(Text1)

Ifws1(a)=TrueThen

Label2=a&"是完数"

Else

Label2=a&"不是完数"

EndIf

EndSub

PrivateSubCommand2_Click()

DimaAsLong

DimresAsBoolean

a=Val(Text1)

Ws2a,res

Ifres=TrueThen

Label2=a&"是完数"

Else

Label2=a&"不是完数"

EndIf

EndSub

SubWs2(ByValXAsLong,ByRefYAsBoolean)

DimiAsInteger,sumAsSingle

Y=False

sum=1

Fori=2ToInt(X/2)

IfXModi=0Thensum=sum+i

Nexti

IfX=sumThenY=True

EndSub

Functionws1(ByValXAsLong)AsBoolean

DimiAsInteger,sumAsSingle

ws1=False

sum=1

Fori=2ToInt(X/2)

IfXModi=0Thensum=sum+i

Nexti

IfX=sumThenws1=True

EndFunction

 

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