C#程序设计实验指导书.docx

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C#程序设计实验指导书.docx

C#程序设计实验指导书

安徽工业大学C#实验指导书

刘伟uhuhufaji129074157

实验一、C#编程环境

实验1-2、helloworld

staticvoidMain(string[]args)

{

Console.WriteLine("helloworld");

Console.ReadLine();

}

实验1-3

MessageBox.Show("helloworld","messagefromC#");

实验二、C#编程基础

实验2-1

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespace实验2_1

{classProgram

{

staticvoidMain(string[]args)

{

inta,b,c,d;//a,b,c,d分别表示红黄黑白

for(a=1;a<=4;a++)

for(b=1;b<=4;b++)

for(c=1;c<=4;c++)

if(a!

=b&&a!

=c)

{

d=10-a-b-c;//盒子编号之和为10

if((c==1^b==2)&&(c==2^d==3)&&(a==2^d==4))

{

Console.Write("红球放在{0}号,黄球放在{1}号",a,b);

Console.WriteLine("黑球放在{0}号,白球放在{1}号",c,d);}}

Console.Read();

}}}

实验2-2

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespace实验2_2筛选法

{classProgram

{

staticvoidMain(string[]args)

{

intsieve,w;inti,j,p,k;

boolfig=true;

sieve=~0x0;p=3;

for(i=0;i<32;i++)

{

w=0x1<

while(j+i<32)

{

sieve&=~w;

w<<=p;j+=p;

}

k=i+1;

while(((sieve>>k)&0x01)==0)

{

k++;i++;

}

p=p+2;

}

Console.WriteLine("2到64之间的质数:

");

Console.Write("{0,4}",2);

p=3;w=1;

for(i=0;i<32;i++)

{

if((sieve>>i&0x01)!

=0)

Console.Write("{0,3}",p);

p+=2;

}

Console.WriteLine();

Console.Read();}}}

实验2-3求Π

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespace实验2_3求PI

{classProgram

{staticvoidMain(string[]args)

{doublesum=0.5,t,t1,t2,t3,p=0.5*0.5;

intodd=1,even=2,k;

t=t1=t2=1.0;t3=0.5;

while(t>1e-10)

{t1=t1*odd/even;

odd+=2;even+=2;

t2=1.0/odd;

t3=t3*p;

t=t2*t1*t3;

sum+=t;}

Console.WriteLine("\nPI={0,10:

f8}",sum*6);

Console.Read();}}

}

实验2-4

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespace实验2_4

{

classProgram

{

staticvoidMain(string[]args)

{

Console.Write("请输入一个4位整数");

intnum=Convert.ToInt32(Console.ReadLine());

int[]each=newint[4];

intmax,min,i,j,temp;

while(num!

=6174&&num!

=0)

{

i=0;

while(num!

=0)

{

each[i++]=num%10;

num/=10;//除以10去掉了0

}

for(i=0;i<3;i++)

for(j=0;j<3-i;j++)

if(each[j]>each[j+1])

{

temp=each[j];

each[j]=each[j+1];

each[j+1]=temp;

}

min=each[0]*1000+each[1]*100+each[2]*10+each[3];

max=each[3]*1000+each[2]*100+each[1]*10+each[0];

num=max-min;

Console.WriteLine("{0}-{1}={2}",max,min,num);

}

Console.ReadLine();

}}}

实验2-5

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespace实验2_5

{

classProgram

{

staticvoidMain(string[]args)

{

int[]A=newint[11];

int[,]Fraction=newint[2,10];

float[]B=newfloat[10];

inti,n,j,pos,temp=0;floatftemp;

A[0]=A[1]=1;

Console.Write("\n请输入n(n<=10)的值:

");

n=Covert.toInt32(Console.ReadLine());

for(i=2;i

A[i]=A[i-2]+2*A[i-1];

for(i=0;i

{

B[i]=(float)A[i]/A[i+1];

Fraction[0,i]=A[i];Fraction[1,i]=A[i+1];

}

for(i=0;i

{for(j=(pos=i)+i;j

if(B[j]

pos=j;

if(i!

=pos)

{

ftemp=B[pos];

B[pos]=B[i];

B[i]=temp;

temp=Fraction[0,pos];

Fraction[0,pos]=Fraction[0,i];

Fraction[0,i]=temp;

temp=Fraction[1,pos];

Fraction[1,pos]=Fraction[1,i];Fraction[1,i]=temp;

}

}

for(i=0;i

Console.Write("{0}/{1}",Fraction[0,i],Fraction[1,i]);

Console.Read();

}

}

}

 

实验三、面向对象编程方法

3.1

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespaceCSharp实º¦Ì验¨¦指?

导Ì?

书º¨¦3

{

classCRect

{

privateinttop,bottom,left,right;

publicstaticinttotal_recta=0;

publicstaticlongtotal_rect_area=0;

publicintgetHeight()

{

returntop>bottom?

top-bottom:

bottom-top;

}

publicintgetWidth()

{

returnright>left?

right-left:

left-right;

}

publicstaticintgetTotalReca()

{

returntotal_recta;

}

publicstaticlonggetTotalRectArea()

{

returntotal_rect_area;

}

publicCRect()

{

left=top=right=bottom=0;

total_recta++;

total_rect_area+=getHeight()*getWidth();

Console.WriteLine("CRect()constructingrectanglenumber{0}",total_recta);

Console.WriteLine("Totalrectangleareais:

{0}",total_rect_area);

}

publicCRect(intx1,inty1,intx2,inty2)

{

left=x1;top=y1;

right=x2;bottom=y2;

total_recta++;

total_rect_area+=getHeight()*getWidth();

Console.WriteLine("CRect(int,int,int,int)constructingrectanglenumber{0}",total_recta);

Console.WriteLine("totalrectangleareasis:

{0}",total_rect_area);

}

publicCRect(CRectr)

{

left=r.left;right=r.left;

top=r.top;bottom=r.bottom;

total_recta++;

total_rect_area+=getHeight()*getWidth();

Console.WriteLine("CRect(crect&)constructingrectanglenumber{0}",total_recta);

Console.WriteLine("totalrectangleareasis:

{0}",total_rect_area);

}

};

publicclassTest31

{

publicstaticvoidMain()

{

CRectrect1=newCRect(1,3,6,4);CRectrect2=newCRect(rect1);

Console.Write("Rectangle2:

Height:

{0}",rect2.getHeight());

Console.WriteLine(",Width:

{0}",rect2.getWidth());

{

CRectrect3=newCRect();

Console.Write("Rectangle3:

Height:

{0}",rect3.getHeight());

Console.WriteLine(",Width:

{0}",rect3.getWidth());

}

Console.Write("total_recta={0}",CRect.total_recta);

Console.WriteLine("total_rect_area={0}",CRect.total_rect_area);

Console.ReadLine();

}

}

}

运行效果:

将三种方法修改后,源程序如下:

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespaceCard1

{

classCard

{

privatestringtitle,author;//书名,作者

privateinttotal;//种数

publicCard()

{

title="";author="";total=0;

}

publicCard(stringtitle,stringauthor,inttotal)

{

this.title=title;

this.author=author;

this.total=total;

}

publicvoidstore(refCardcard)

{

title=card.title;author=card.author;total=card.total;

}

publicvoidshow()

{

Console.WriteLine("Title:

{0},author:

{1},Total:

{2}",title,author,total);

}

publicstringTitle//Title属性可读可写

{

get{returntitle;}

set{title=value;}

}

publicstringAuthor

{

get{returnauthor;}

set{author=value;}

}

publicintTotal

{

get{returntotal;}

set{total=value;}

}

}

publicclassTest32

{

voidsort(Card[]books,int[]index,intmethod)

{

if(method==1)

{

inti,j,m,n,temp;

for(m=0;m

for(n=0;n

{

i=index[n];j=index[n+1];

if(string.Compare(books[i].Title,books[j].Title)>0)

{

temp=index[n];index[n]=index[n+1];index[n+1]=temp;

}

}

}

elseif(method==2)

{

inti,j,m,n,temp;

for(m=0;m

for(n=0;n

{

i=index[n];j=index[n+1];

if(String.Compare(books[i].Author,books[j].Author)>0)

{

temp=index[n];index[n]=index[n+1];index[n+1]=temp;

}

}

}

elseif(method==3)

{

inti,j,m,n,temp;

for(m=0;m

for(n=0;n

{

i=index[n];j=index[n+1];

if(books[i].Total>books[i].Total)

{

temp=index[n];index[n]=index[n+1];index[n+1]=temp;

}

}

}

}

publicstaticvoidMain()

{

Test32T=newTest32();

Card[]books;int[]index;

inti,k;

Cardcard=newCard();

Console.Write("请输入需要入库图书的种数:

");

intnum=int.Parse(Console.ReadLine());

books=newCard[num];//新建对象数组赋值给books数组名

for(i=0;i

books[i]=newCard();

index=newint[num];

for(i=0;i

{

Console.Write("请输入书名:

");

card.Title=Console.ReadLine();

Console.Write("请输入作者:

");

card.Author=Console.ReadLine();

Console.Write("请输入入库量:

");

card.Total=int.Parse(Console.ReadLine());

books[i].store(refcard);

index[i]=i;

}

Console.Write("请选择按什么关键字排序:

(1,按书名2,按作者3,按入库量)");

intchoice=Convert.ToInt16(Console.ReadLine());

switch(choice)

{

case1:

T.sort(books,index,1);

break;

case2:

T.sort(books,index,2);

break;

case3:

T.sort(books,index,3);

break;

}

for(i=0;i

{

k=index[i];

books[i].show();

}

Console.ReadLine();

}

}

}

3.2

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Linq;

usingSystem.Text;

namespaceCard1

{

classCard

{

privatestringtitle,author;//书名,作者

privateinttotal;//这本书的入库总数

publicCard()

{

title="";author="";total=0;

}

publicCard(stringtitle,stringauthor,inttotal)

{

this.title=title;

this.author=author;

this.total=total;

}

publicvoidstore(refCardcard)

{

title=card.title;author=card.author;total=card.total;

}

publicvoidshow()

{

Console.WriteLine("Title:

{0},author:

{1},Total:

{2}",title,author,total);

}

publicstringTitle//Title属性可读可写

{

get{returntitle;}

set{title=value;}

}

publicstringAuthor

{

get{returnauthor;}

set{author=value;}

}

publicintTotal

{

get{returntotal;}

set{total=value;}

}

}

publicclassTest32

{

voidsortTitle(Card[]book,int[]index)

{

inti,j,m,n,temp;

for(m=0;m

for(n=0;n

{

i=index[n];j=index[n+1];

if(string.Compare(book[i].Title,book[j].Title)>0)

{

temp=index[n];index[n]=index[n+1];index[n+1]=temp;

}

}

}

voidsortAuthor(Card[]books,int[]index)

{

inti,j,m,n,temp;

for(m=0;m

for(n=0;n

{

i=index[n];j=index

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