xueshengsushe.txt

实现一个简单的学生宿舍管理系统。要求能添加、更新和删除和查询学生信息的功能

#include<iostream.h> 
#include<string.h> 
class student//学生类 
{ 
public: 
char student_name[10]; 
int room_number; 
int student_number; 
int student_sc; 

}; 
student student_info[16]; 
int number=0; 
/////////////////////////////////////////////////////////////////////// 
void input()//输入函数 
{ 

cout<<"输入学生人数："; 
cin>>number; 
if(number<=16) 
{ 
for(int i=0;i<number;i++) 
{ 
cout<<"输入学生学号："; 
cin>>student_info[i].student_number; 
cout<<"输入学生姓名："; 
cin>>student_info[i].student_name; 
student_info[i].student_sc=i+1; 
cout<<"输入房间号："; 
cin>>student_info[i].room_number; 
} 
cout<<"输入完毕。"<<endl; 
} 
else{cout<<"人数超过容纳上限。"<<endl;} 

} 
///////////////////////////////////////////////////////////////////////////// 
void show()//显示函数 
{ 
cout<<"姓名"<<" "<<"学号"<<" "<<"序号"<<" "<<"房间"<<endl; 
for(int i=0;i<number;i++) 
{ 
cout<<student_info[i].student_name<<" "; 
cout<<student_info[i].student_number<<" "; 
cout<<student_info[i].student_sc<<" "; 
cout<<student_info[i].room_number<<endl; 

} 
} 
////////////////////////////////////////////////////////////////////////// 
void del()//删除函数 
{ 
cout<<"输入要删除的学生号："<<endl; 
int temp=0; 
cin>>temp; 
for(int i=0;i<number;i++) 
{ 
if(student_info[i].student_number==temp) 
{ 
for(int j=i;(j+1)<number;j++) 
{ 
student_info[j].student_number=student_info[j+1].student_number; 
student_info[j].student_sc=student_info[j+1].student_sc; 
student_info[j].room_number=student_info[j+1].room_number; 
strcpy(student_info[j].student_name,student_info[j+1].student_name); 
} 
student_info[number].student_number=0; 
student_info[number].student_sc=0; 
student_info[number].room_number=0; 
strcpy(student_info[number].student_name,""); 

} 
} 
} 
//////////////////////////////////////////////////////////////////////////// 
void change()//交换函数 
{ 
cout<<"输入要交换的学生号："; 
char temp_name[10]; 
int temp_number=0; 
int temp_sc=0; 
int temp_room=0; 
int i,j; 
cin>>i>>j; 
i--; 
j--; 
temp_number=student_info[j].student_number; 
temp_sc=student_info[j].student_sc; 
temp_room=student_info[j].room_number; 
strcpy(temp_name,student_info[j].student_name); 
student_info[j].student_number=student_info[i].student_number; 
student_info[j].student_sc=student_info[i].student_sc; 
student_info[j].room_number=student_info[i].room_number; 
strcpy(student_info[j].student_name,student_info[i].student_name); 
student_info[i].student_number= temp_number; 
student_info[i].student_sc=temp_sc; 
student_info[i].room_number=temp_room; 
strcpy(student_info[i].student_name,temp_name); 


} 
////////////////////////////////////////////////////////////////////////// 
void search_sc()//查找序号 
{ 
int temp=0; 
cout<<"输入要查询的序号："; 
cin>>temp; 
int i=0; 
while(student_info[i].student_sc!=(temp)) i++; 
cout<<student_info[i].student_name<<" "; 
cout<<student_info[i].student_number<<" "; 
cout<<student_info[i].student_sc<<" "; 
cout<<student_info[i].room_number<<endl; 
} 
////////////////////////////////////////////////////////////////////////// 
void search_name()//查找姓名 
{ 

char temp[10]; 
cout<<"输入要查询的姓名："; 
cin>>temp; 
int i=0; 
while(strcmp(student_info[i].student_name,temp)) i++; 
cout<<student_info[i].student_name<<" "; 
cout<<student_info[i].student_number<<" "; 
cout<<student_info[i].student_sc<<" "; 
cout<<student_info[i].room_number<<endl; 
} 
///////////////////////////////////////////////////////////////////////// 
void search_number()//查找学号 
{ 

int temp=0; 
cout<<"输入要查询的学号："; 
cin>>temp; 
int i=0; 
while(student_info[i].student_number!=(temp)) i++; 
cout<<student_info[i].student_name<<" "; 
cout<<student_info[i].student_number<<" "; 
cout<<student_info[i].student_sc<<" "; 
cout<<student_info[i].room_number<<endl; 
} 
////////////////////////////////////////////////////////////////////////// 
void win()//界面函数 
{ 
while(1) 
{ 
cout<<endl<<"系统菜单：" <<endl; 
cout<<"1、修改子菜单"<<endl; 
cout<<"2、查询子菜单" <<endl; 
int server=0; 
cout<<"输入子菜单类型：" ; 
cin>>server; 
if(server==1) 
{ 
cout<<"1、输入："<<endl; 
cout<<"2、删除"<<endl; 
cout<<"3、交换"<<endl; 
cout<<"4、显示所有"<<endl; 
cout<<"5、结束"<<endl; 
cout<<"选择子菜单："; 
int temp=0; 
cin>>temp; 
switch(temp) 
{ 
case 1: 
input();break; 
case 2: 
del();break; 
case 3: 
change();break; 
case 4: 
show();break; 
case 5: 
exit(0); 
} } 
else if(server==2) 
{ 
cout<<"1、按姓名查询"<<endl; 
cout<<"2、按学号查询"<<endl; 
cout<<"3、按序号查询"<<endl; 
cout<<"选择子菜单："; 
int temp; 
cin>>temp; 
switch(temp) 
{ 
case 1: 
search_name();break; 
case 2: 
search_number();break; 
case 3: 
search_sc();break; 
} 
} 

} 

} 
///////////////////////////////////////////////////////////////////////// 
void main()//主函数 
{ 
win(); 

}