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我叫大鑫
发表于 2019-5-31 01:48
本帖最后由 我叫大鑫 于 2019-5-31 19:15 编辑
简单来说一下这个,是个学生管理系统,可以输入,输出,保存文本,头次发帖不会发那个VS样子的,萌新一个,想自已预览都找不到,感谢大佬多多指点...
[C++] 纯文本查看 复制代码
#include "pch.h"
#include <iostream>
#include "xml/tinyxml.h"
#include <vector>
#include <string>
using namespace std;
struct student
{
string name;
string code;
int age;
bool sex;
int score;
};
enum Manger
{
INTRODUCE,
CREATE_DATEBASE,
OPEN_DATEBASE,
ED_windows ,
EXIT
};
class CSt
{
public:
void runStudent()
{
while (true)
{
system("cls");
switch (m_man)
{
case INTRODUCE:
xinjianshujuku();
break;
case CREATE_DATEBASE:
OnEditor1();
break;
case OPEN_DATEBASE:
dakaiwenjian();
break;
case ED_windows:
OnEditor2();
break;
case EXIT:
exit(0);
default:
break;
}
cin.clear();//清空缓冲
cin.sync();//
}
}
//目录根 ok
void xinjianshujuku()
{
cout << "欢迎使用傻瓜1.1" << endl;
cout << "按1创建傻瓜， 按2读取傻瓜 ，按3退出傻瓜 " << endl;
int a = 0;
cin >> a;
if (1 == a)
{
m_man = Manger::CREATE_DATEBASE;
}
else if (2 == a)
{
m_man = Manger::OPEN_DATEBASE;
}
else if (3 == a)
{
m_man = Manger::EXIT;
}
}
//打开文件夹 ok
void dakaiwenjian()
{
cout << "输入打开文件名" << endl;
string wenben;
cin >> wenben;
TiXmlDocument doc(wenben.c_str());
if (!doc.LoadFile())
{
cout << wenben << "打开失败" << endl;
_sleep(1000);
return;
}
auto root = doc.FirstChildElement("student");
auto abc = root->FirstChildElement("Elements");
for (; abc != nullptr; abc = abc->NextSiblingElement())
{
student stu;
stu.name = abc->Attribute("name");
stu.code = abc->Attribute("code");
stu.age = atoi(abc->Attribute("age"));
stu.sex = atoi(abc->Attribute("sex"));
abc->Attribute("score",&stu.score);
arr.push_back(stu);
}
cout<<"一共有"<<arr.size()<<"学员"<<endl;
_sleep(1000);
m_man = Manger::ED_windows;
}
//新文件操作 ok
void OnEditor1()
{
cout << "1新建学员2保存3返回" << endl;
int a = 0; cin >> a;
if (1 == a)
{
addnew();
cout << "添加成功" << endl;
_sleep(1000);
}
else if (2 == a)
{
save(); _sleep(1000);
}
else if (3 == a)
{
cout << "是否保存Y/N" << endl;
char a;
cin >> a;
if ('Y' == a)
{
save();
_sleep(1000);
m_man = Manger::INTRODUCE;
}
if ('N' == a)
{
m_man = Manger::INTRODUCE;
}
arr.clear();
}
else
{
cout << "输入错误" << endl;
_sleep(1000);
}
}
//读取文件后操作
void OnEditor2()
{
cout << "1添加学员2查找学员3查询所有学员4保存5返回" << endl;
int a = 0; cin >> a;
if (1 == a)
{
addnew();
cout << "添加成功" << endl;
_sleep(1000);
}
else if (2 == a)
{
Find(); _sleep(1000);
}
else if (3 == a)
{
shouAllStudent(); _sleep(1000);
}
else if (4 == a)
{
save();
_sleep(1000);
}
else if (5 == a)
{
cout << "是否保存Y/N" << endl;
char a;
cin >> a;
if ('Y' == a)
{
save();
_sleep(1000);
m_man = Manger::INTRODUCE;
}
if ('N' == a)
{
m_man = Manger::INTRODUCE;
}
arr.clear();
}
else
{
cout << "输入错误" << endl;
_sleep(1000);
}
}
//查找学员
void Find()
{
cout << "开始查找" << endl;
cout << "1姓名 2学号" << endl;
int a = 0; cin >> a;
//姓名查找
if (1 == a)
{
cout << "输入学生名字" << endl;
string name;
cin >> name;
int i = find1(name);
if (-1 == i)
{
cout << "没有此人" << endl;
return;
}
cout << "学员数据" << endl;
shouby(i);
cout << "1修改学员 2删除学员 3 返回" << endl;
int b = 0; cin >> b;
if (1 == b)
{
cout << "1姓名 2学号 3年龄 4性别 5成绩 6返回 " << endl;
int c = 0; cin >> c;
if (1 == c)
{
cout << "修改姓名" << endl;
string name;
cin >> name;
arr[i].name = name;
}
if (2 == c)
{
cout << "修改学号" << endl;
string code;
cin >> code;
arr[i].code = code;
}
if (3 == c)
{
cout << "修改年龄" << endl;
int age;
cin >> age;
arr[i].age = age;
}
if (4 == c)
{
cout << "修改性别" << endl;
cin >> arr[i].sex;
}
if (5 == c)
{
cout << "修改成绩" << endl;
cin >> arr[i].score;
}
if (6 == c)
{
cout << "返回中ing" << endl;
}
}
if (2 == b)
{
auto iter = arr.erase(std::begin(arr));
}
if (3 == b)
{
cout << "返回中ing" << endl;
}
}
//学号查找
if (2 == a)
{
cout << "输入学生学号" << endl;
string code;
cin >> code;
int i = find2(code);
if (-1 == i)
{
cout << "没有此人" << endl;
return;
}
cout << "学员数据" << endl;
shouby(i);
cout << "1修改学员 2删除学员 3 返回" << endl;
int b = 0; cin >> b;
if (1 == b)
{
cout << "1姓名 2学号 3年龄 4性别 5成绩 6返回 " << endl;
int c = 0; cin >> c;
if (1 == c)
{
cout << "修改姓名" << endl;
string name;
cin >> name;
arr[i].name = name;
}
if (2 == c)
{
cout << "修改学号" << endl;
string code;
cin >> code;
arr[i].code = code;
}
if (3 == c)
{
cout << "修改年龄" << endl;
int age;
cin >> age;
arr[i].age = age;
}
if (4 == c)
{
cout << "修改性别" << endl;
cin >> arr[i].sex;
}
if (5 == c)
{
cout << "修改成绩" << endl;
cin >> arr[i].score;
}
}
if (2 == b)
{
auto iter = arr.erase(std::begin(arr));
}
if (3 == b)
{
cout << "返回中ing" << endl;
}
}
}
//找到这个名字的学生位置
int find1(string _name)
{
for (int i = 0; i < arr.size(); i++)
{
if (arr[i].name == _name)
{
return i;
}
}
return -1;
}
//找到这个学号的学生位置
int find2(string _code)
{
for (int i = 0; i < arr.size(); i++)
{
if (arr[i].code == _code)
{
return i;
}
}
return -1;
}
//保存当前学员数据
void save()
{
cout << "开始进行学员档案" << endl;
cout << "输入保存的文件名" << endl;
string savename;
cin >> savename;
TiXmlDocument doc;
TiXmlElement *root = new TiXmlElement("student");
for (int i = 0; i < arr.size(); i++)
{
TiXmlElement *child = new TiXmlElement("Elements");
child->SetAttribute("name", arr[i].name.c_str());
child->SetAttribute("code", arr[i].code.c_str());
child->SetAttribute("age", arr[i].age);
child->SetAttribute("sex", arr[i].sex);
child->SetAttribute("score", arr[i].score);
root->LinkEndChild(child);
}
doc.LinkEndChild(root);
doc.SaveFile(savename.c_str());
doc.Clear();
cout << "保存成功" << endl;
}
//新建一个学员
void addnew()
{
string _name;
string _code;
int _age;
bool _sex;
int _score;
cout << "输入名字" << endl;
cin >> _name;
cout << "输入学号" << endl;
cin >> _code;
cout << "输入年龄" << endl;
cin >> _age;
cout << "输入性别" << endl;
cin >> _sex;
cout << "输入成绩" << endl;
cin >> _score;
student zhangsan = { _name,_code,_age,_sex,_score };
arr.push_back(zhangsan);
}
//查询后的数据
void shouAllStudent()
{
for (int i = 0; i < arr.size(); i++)
{
cout << "姓名" << arr[i].name<< " ";
cout << "学号" << arr[i].code << " ";
cout << "年龄" << arr[i].age << " ";
if (arr[i].sex)
{
cout << "性别" <<"男" << " ";
}
else
{
cout << "性别" << "女" << " ";
}
cout << "成绩" << arr[i].score << ""<<endl;
}
}
//找学生后的学生数据
void shouby(int i)
{
cout << "姓名" << arr[i].name << " ";
cout << "学号" << arr[i].code << " ";
cout << "年龄" << arr[i].age << " ";
if (arr[i].sex)
{
cout << "性别" << "男" << " ";
}
else
{
cout << "性别" << "女" << " ";
}
cout << "成绩" << arr[i].score << "" << endl;
}
Manger m_man = Manger::INTRODUCE;
vector<student>arr;
};
int main()
{
CSt cst;
cst.runStudent();
} |
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