课题参考.txt

C语言课题参考资料 C语言课题参考资料

//学生个人信息类 
#include<iostream.h> 
#include<string.h> 
#include<fstream.h> 
#include<iomanip.h>//kj;lj;j;j; 
class student 
{private:int maxnum;//学生学号最大值 
int sno;//学号char name[5]; 
char sex[2]; 
int age;char birth[10];//出生日期 
char folk[2];//民族 
char mianmao[10];//政治面貌 
char department[10];//系别 
long banji;//班级 
char speciality[10];//专业 
char address[30];//学生详细家庭住址 
public: 
student();~ 
student(); 
void enter();//学生信息录入函数 
void display();//学生信息输出函数 
void setsno(int temp); 
int getsno(); 
char *getname(); 
long getbanji(); 
char *getspeciality(); 
void read(); 
void write(); 
}; 
student::student() 
{} 
student::~student() 
{} 
int student::getsno() 
{return sno;} 
char *student::getspeciality() 
{return speciality;} 
long student::getbanji() 
{return banji;} 
void student::setsno(int temp) 
{sno=temp;} 
char *student::getname() 
{return name;} 
void student::display() 
{ cout<<setw(4)<<sno<<setw(4)<<name<<setw(4)<<sex<<setw(4)<<age<<setw(4)<<folk<<setw(8)<<birth<<setw(8)<<mianmao<<setw(8)<<department<<setw(8)<<banji<<setw(8)<<speciality<<setw(8)<<address<<endl;} 
void student::enter() 
{ ifstream tfile("max.txt",ios::binary|ios::nocreate); 
if(tfile) 
{ tfile.read((char *)&maxnum,sizeof maxnum); } 
else 
{ maxnum=1000;//学生学号初始化 } tfile.close(); 
sno=maxnum++; 
ofstream ofile("max.txt"); 
ofile.write((char*)&maxnum,sizeof maxnum); tfile.close(); 
cout<<"请输入学生信息"<<endl; 
cout<<"学生姓名:"<<endl; 
cin>>name; 
cout<<"性别(男(n)，女(m)):"<<endl; 
cin>>sex; while(strcmp(sex,"n")!=0&&strcmp(sex,"m")!=0) 
{ cout<<"错误请重新输入!"<<endl; cin>>sex; } 
cout<<"出生日期:"<<endl; 
cin>>birth; 
cout<<"年龄:"<<endl; 
cin>>age; 
while(age<=15||age>=50) 
{ cout<<"错误请重新输入!"<<endl; cin>>age; } 
cout<<"政治面貌(团员(a),预备党员(b),党员(c)):"<<endl; 
cin>>mianmao; 
while(strcmp(mianmao,"a")!=0&&strcmp(mianmao,"b")!=0&&strcmp(mianmao,"c")!=0) 
{ cout<<"错误请重新输入!"<<endl; cin>>mianmao; } 
cout<<"民族:"<<endl; cin>>folk; 
cout<<"系别:"<<endl; cin>>department; 
cout<<"班级:"<<endl; cin>>banji; 
cout<<"专业:"<<endl; cin>>speciality; 
cout<<"家庭住址:"<<endl; cin>>address;}//主程序部分：#include<iostream.h> 
#include<fstream.h> 
#include<string.h> 
#include<iomanip.h> 
#include<stdlib.h> 
//#include"student.h" 
student stu;//student 类的全局变量 
void read() 
{ ifstream afile("student.txt",ios::nocreate); afile.read((char*)&stu,sizeof stu); 
} 
void write() 
{ ofstream bfile("student.txt",ios::app); bfile.write((char*)&stu,sizeof stu);} 
void input(void) 
{ char ch; stu.enter(); 
write(); 
cout<<"你还要输入下一位学生的信息吗（Y/N)!"<<endl; cin>>ch; 
if(ch=='Y'||ch=='y') 
{ input(); }} 
void search() 
{ int j,k,i,m=0; char ch1[5],ch2[10]; cout<<"请输入你的查找类型:(1.学号 2.姓名 3.专业 4.班级)"<<endl; 
cin>>j; 
while(j<=0||j>=5) 
{ cout<<"错误请重新选择!"<<endl; cin>>j; } 
if(j==1) 
{ cout<<"请输入你要查找的学生的学号:"<<endl; 
cin>>i; 
} 
if(j==2) 
{ cout<<"请输入你要查找的学生的姓名:"<<endl; 
cin>>ch1; 
} 
if(j==3) 
{ 
cout<<"请输入你要查找的学生所在的专业:"<<endl; 
cin>>ch2; } 
if(j==4) 
{ 
cout<<"请输入你要查找的学生所在的班级:"<<endl; cin>>k; 
} 
ifstream dfile("student.txt",ios::nocreate); while (dfile.good()) 
{ 
dfile.read((char *) &stu,sizeof stu); 
if(i==stu.getsno()||strcmp(stu.getname(),ch1)==0|| 
strcmp(stu.getspeciality(),ch2)==0||k==stu.getbanji()) 
{ 
cout<<"你要查找的学生信息如下:"<<endl; 
cout<<setw(4)<<"学号"<<setw(4)<<"姓名"<<setw(4)<<"性别"<<setw(4)<< "年龄"<<setw(4)<<"民族"<<setw(8)<<"出生日期"<<setw(8)<<"政治面貌"<< setw(8)<<"系别"<<setw(8)<<"班级"<<setw(8)<<"专业"<<setw(8)<<"联系电话" <<setw(8)<<"家庭住址"<<endl; stu.display(); 
i=0; 
k=0; 
m=1; 
return; 
} 
} 
if(m!=1) 
cout<<"没有找到这名学生的信息!"<<endl; 
} 
void output() 
{ 
int i=0; 
ifstream cfile("student.txt",ios::nocreate); 
while(cfile) 
{ 
if( cfile.read((char *)&stu,sizeof stu)) { stu.display(); i++; } } cout<<"一共有"<<i<<"个学生信息"<<endl;}void menu(){ cout<<"学号：2005132040 姓名：孟琳琳 班级：通信053"<<endl; 
cout<<" * 学籍管理系统 *"<<endl; 
cout<<"*******************************************************"<<endl; 
cout<<" 0.退出系统 "<<endl; 
cout<<" 1.学生信息录入 "<<endl; 
cout<<" 2.学生信息查询 "<<endl; 
cout<<" 3.学生信息输出 "<<endl; 
cout<<"*******************************************************"<<endl; 
cout<<" 请选择以上操作(0=======3) "<<endl; 
} 
void select()//选择菜单函数 
{ 
int ch; 
while(1) 
{ 
cin>>ch; 
switch(ch) 
{ 
case 0:exit(0);menu();break; 
case 1:input();menu();break; 
case 2:search();menu();break; 
case 3:output();menu();break; 
default:menu(); cout<<"输入无效请重新输入(0======== 3)"<<endl; break; 
} 
} 
}void main() 
{ 
menu(); 
select(); 
}