#include <iostream>
#include <vector>
using namespace std;
#define list 1000
struct a{
string name;
int id;
int age;
string Class;
}index;
void MAIN(){
cout<<"欢迎使用学生管理系统"<<endl
<<"1.新建学生信息"<<endl
<<"2.查找学生信息"<<endl
<<"3.修改学生信息"<<endl
<<"4.删除学生信息"<<endl
<<"5.退出管理系统"<<endl;
}
void FMAIN(){
cout<<"请选择您要查找的方式:"<<endl
<<"1.根据学号查找"<<endl
<<"2.根据姓名查找"<<endl
<<"3.根据年龄查找"<<endl
<<"4.根据班级查找"<<endl
<<"5.返回主界面"<<endl;
}
void FFMAIN(string n){
cout<<"请选择您要"<<n<<"的方式:"<<endl
<<"1.根据学号"<<n<<endl
<<"2.返回"<<n<<endl;
}
vector<a> no1(vector<a> x,int number);
vector<a> no2(vector<a> x,int number);
vector<a> no3(vector<a> x,int number);
vector<a> no4(vector<a> x,int number);
int main(){
vector<a>x;
int n,number = 0;
while(1){
MAIN();
cin>>n;
if(n>5){
system("cls");
continue;
}else if(n==5){
system("pause");
break;
}
switch(n){
case 1:
x = no1(x,number);
number++;
break;
#include <iostream>
#include <vector>
using namespace std;
#define list 1000
struct a{
string name;
int id;
int age;
string Class;
}index;
void MAIN(){
cout<<"欢迎使用学生管理系统"<<endl
<<"1.新建学生信息"<<endl
<<"2.查找学生信息"<<endl
<<"3.修改学生信息"<<endl
<<"4.删除学生信息"<<endl
<<"5.退出管理系统"<<endl;
}
void FMAIN(){
cout<<"请选择您要查找的方式:"<<endl
<<"1.根据学号查找"<<endl
<<"2.根据姓名查找"<<endl
<<"3.根据年龄查找"<<endl
<<"4.根据班级查找"<<endl
<<"5.返回主界面"<<endl;
}
void FFMAIN(string n){
cout<<"请选择您要"<<n<<"的方式:"<<endl
<<"1.根据学号"<<n<<endl
<<"2.返回"<<n<<endl;
}
vector<a> no1(vector<a> x,int number);
vector<a> no2(vector<a> x,int number);
vector<a> no3(vector<a> x,int number);
vector<a> no4(vector<a> x,int number);
int main(){
vector<a>x;
int n,number = 0;
while(1){
MAIN();
cin>>n;
if(n>5){
system("cls");
continue;
}else if(n==5){
system("pause");
break;
}
switch(n){
case 1:
x = no1(x,number);
number++;
break;
case 2:
x = no2(x,number);
break;
case 3:
x = no3(x,number);
break;
case 4:
x = no4(x,number);
break;
case 5:
system("pause");
return 0;
}
system("pause");
system("cls");
}
return 0;
}
vector<a> no1(vector<a> x,int number){
cout<<"请输入你的姓名:";
cin>>index.name;
cout<<"请输入你的年龄:";
cin>>index.age;
cout<<"请输入你的班级:";
cin>>index.Class;
index.id = list+number;
cout<<"你的学号是:"<<index.id<<endl;
x.push_back(index);
return x;
}
vector<a> no2(vector<a> x,int number){
int n;
while(1){
system("cls");
FMAIN();
cin>>n;
if(n==5){
break;
}
int _id,_age;
string _name,_class;
bool have = false;
switch(n){
case 1:{
cout<<"请输入你的学号:";
cin>>_id;
for(int i = 0;i<x.size();i++){
/*if(x[i].id==-1){
cout<<"无法找到该学生信息"<<endl;
return x;*/
/*}else */
if(_id==x[i].id){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 2:{
cout<<"请输入你的姓名:";
cin>>_name;
for(int i = 0;i<x.size();i++){
if(_name==x[i].name || x[i].name.find(_name)!=string::npos){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 3:{
cout<<"请输入你的年龄:";
cin>>_age;
for(int i = 0;i<x.size();i++){
if(_age==x[i].age){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 4:{
cout<<"请输入你的班级:";
cin>>_class;
for(int i = 0;i<x.size();i++){
if(_class==x[i].Class){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
}
system("pause");
}
return x;
}
vector<a> no3(vector<a> x,int number){
int n;
while(1){
system("cls");
FFMAIN("修改");
cin>>n;
if(n==2){
break;
}
int _id,_age,_class;
string _name;
bool have = false;
switch(n){
case 1:
cout<<"请输入你的学号:";
cin>>_id;
for(int i = 0;i<number;i++){
if(list+i==_id){
system("cls");
cout<<"请选择你要修改的信息"<<endl
<<"*****1.修改姓名*****"<<endl
<<"*****2.修改年龄*****"<<endl
<<"*****3.修改班级*****"<<endl
<<"*****4.返回*********"<<endl;
int _n;
cin>>_n;
switch(n){
case 1:{
cout<<"请输入你要修改的姓名:";
cin>>_name;
x[i].name = _name;
break;
}
case 2:{
cout<<"请输入你要修改的年龄:";
cin>>_age;
x[i].name = _age;
break;
}
case 3:{
cout<<"请输入你要修改的班级:";
cin>>_class;
x[i].name = _class;
break;
}
case 4:{
break;
}
}
have = true;
}
}
if(!have){
cout<<"修改失败"<<endl;
break;
}
cout<<"修改成功"<<endl;
break;
}
system("pause");
}
return x;
}
vector<a> no4(vector<a> x,int number){
int _id;
cout<<"请输入你的学号:";
cin>>_id;
bool have = false;
for(int i = 0;i<number;i++){
if(_id==x[i].id){
x.erase(x.begin()+i);
//x[i].id = -1;
have = true;
}
}
if(!have){
cout<<"删除失败"<<endl;
return x;
}
cout<<"删除成功"<<endl;
return x;
}
case 2:
x = no2(x,number);
break;
case 3:
x = no3(x,number);
break;
case 4:
x = no4(x,number);
break;
case 5:
system("pause");
return 0;
}
system("pause");
system("cls");
}
return 0;
}
vector<a> no1(vector<a> x,int number){
cout<<"请输入你的姓名:";
cin>>index.name;
cout<<"请输入你的年龄:";
cin>>index.age;
cout<<"请输入你的班级:";
cin>>index.Class;
index.id = list+number;
cout<<"你的学号是:"<<index.id<<endl;
x.push_back(index);
return x;
}
vector<a> no2(vector<a> x,int number){
int n;
while(1){
system("cls");
FMAIN();
cin>>n;
if(n==5){
break;
}
int _id,_age;
string _name,_class;
bool have = false;
switch(n){
case 1:{
cout<<"请输入你的学号:";
cin>>_id;
for(int i = 0;i<x.size();i++){
/*if(x[i].id==-1){
cout<<"无法找到该学生信息"<<endl;
return x;*/
/*}else */
if(_id==x[i].id){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 2:{
cout<<"请输入你的姓名:";
cin>>_name;
for(int i = 0;i<x.size();i++){
if(_name==x[i].name || x[i].name.find(_name)!=string::npos){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 3:{
cout<<"请输入你的年龄:";
cin>>_age;
for(int i = 0;i<x.size();i++){
if(_age==x[i].age){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
case 4:{
cout<<"请输入你的班级:";
cin>>_class;
for(int i = 0;i<x.size();i++){
if(_class==x[i].Class){
cout<<"姓名:"<<x[i].name<<endl;
cout<<"年龄:"<<x[i].age<<endl;
cout<<"班级:"<<x[i].Class<<endl;
cout<<"学号:"<<x[i].id<<endl;
cout<<endl;
have = true;
}
}
if(!have){
cout<<"查找失败"<<endl;
}
break;
}
}
system("pause");
}
return x;
}
vector<a> no3(vector<a> x,int number){
int n;
while(1){
system("cls");
FFMAIN("修改");
cin>>n;
if(n==2){
break;
}
int _id,_age,_class;
string _name;
bool have = false;
switch(n){
case 1:
cout<<"请输入你的学号:";
cin>>_id;
for(int i = 0;i<number;i++){
if(list+i==_id){
system("cls");
cout<<"请选择你要修改的信息"<<endl
<<"*****1.修改姓名*****"<<endl
<<"*****2.修改年龄*****"<<endl
<<"*****3.修改班级*****"<<endl
<<"*****4.返回*********"<<endl;
int _n;
cin>>_n;
switch(n){
case 1:{
cout<<"请输入你要修改的姓名:";
cin>>_name;
x[i].name = _name;
break;
}
case 2:{
cout<<"请输入你要修改的年龄:";
cin>>_age;
x[i].name = _age;
break;
}
case 3:{
cout<<"请输入你要修改的班级:";
cin>>_class;
x[i].name = _class;
break;
}
case 4:{
break;
}
}
have = true;
}
}
if(!have){
cout<<"修改失败"<<endl;
break;
}
cout<<"修改成功"<<endl;
break;
}
system("pause");
}
return x;
}
vector<a> no4(vector<a> x,int number){
int _id;
cout<<"请输入你的学号:";
cin>>_id;
bool have = false;
for(int i = 0;i<number;i++){
if(_id==x[i].id){
x.erase(x.begin()+i);
//x[i].id = -1;
have = true;
}
}
if(!have){
cout<<"删除失败"<<endl;
return x;
}
cout<<"删除成功"<<endl;
return x;
}
标签：case,容器,饭卡,cout,int,number,break,vector,3.0 From： https://www.cnblogs.com/w6826301/p/17935614.html