menu.h

课程设计 学籍管理系统 这个比较简单

#include <iostream.h>
#include <string.h>
#include <conio.h>
#include <stdlib.h>
#include "CsStuInfo.h"
#include "School.h"

void mypass(char *password)
{
	char c;
	int i = 0;

	while (1)							//控制密码输入
	{
		c = getch();
		if (c == 8)						//如果是backspace键则回退一个字符
		{
			if (i == 0)					//已经没有字符无需回退
			{
				continue;
			}
			cout << '\b' << flush << ' ' << flush << '\b' << flush; 
			i--;	//下标减1
			password[i] = '\0';			//保证已输入的密码的最后一位是\0
			continue;
		}

		if (c == 13)
		{
			break;
		}

		if ((c>47 && c<58 || c>64 && c<91 || c>96 && c<123) && i<19)	//密码只能包含字母和数字
		{
			cout << '*' << flush;
			password[i] = c;
			i++;
		}
		else
		{
			continue;
		}

		password[i] = '\0';			//正常输入则在末尾加上结束标志
	}
}

void show_menu(char *account, char *password)	//主界面即登陆界面
{
	cout<<"\n\n\t       ☆☆☆☆欢迎进入学籍管理系统☆☆☆☆"<< endl << endl
		<< "                             学号: ";
	cin >> account;						//输入学号
	cout << "                             密码: " << flush;
	mypass(password);
}

CsStuInfo *search(char *account, CsStuInfo *head)
{
	CsStuInfo *p = head->next;

	while (p != NULL)
	{
		if (strcmp(p->getnumber(), account) == 0)
		{
			return p;
		}
		p = p->next;
	}
	return NULL;
}

int checklogin(char *account, char *password, CsStuInfo *head)
{
	if ((strcmp(account, "admin") == 0) && (strcmp(password, "lquterqtd") == 0))
	{
		return 1;			//1管理员成功登录 
	}
	else		//非管理员登录
	{
		CsStuInfo *p;
		p = search(account, head);	//查找该学生
		if (p == NULL)
		{
			return 2;		//2不存在该学生
		}
		else	//该用户存在，比对密码
		{
			if (strcmp(p->getpassword(), password) == 0)
			{
				return 3;	//3学生成功登录
			}
			else 
			{
				return 4;	//4密码错误
			}
		}
	}
}

void admin_browse(School *mod)
{
	char ch, search;
	bool temp;

	while(1)
	{
		cout<<"\n\n\t       ☆☆☆☆欢迎进入学籍管理系统☆☆☆☆"<< endl << endl;
		cout << "\t\t\t1.输入学生信息" << endl
		     << "\t\t\t2.显示学生信息" << endl
			 << "\t\t\t3.查找学生" << endl
			 << "\t\t\t4.删除学生信息" << endl
			 << "\t\t\t5.统计学生成绩" << endl
			 << "\t\t\t0.退出系统" << endl 
			 << "\n\t\t\t请选择:" << flush;
		ch = getch();
		switch(ch)
		{
			case '1':
				system("cls");
				mod->input();
				cout << "\t\t按任意键返回主菜单..." << flush;
				getch();
				break;
			case '2':
				system("cls");
				mod->output();
				cout << "\t\t按任意键返回主菜单..." << flush;
				getch();
				break;
			case '3':
				system("cls");
				mod->search_stu();
				temp = true;
				while (temp)
				{
					cout << "\n\t\t1.继续查询 2.返回主菜单\n\t\t" << flush; 
					search = getch();
					switch(search)
					{
						case '1':
							system("cls");
							mod->search_stu();
							break;
						case '2':
							system("cls");
							temp = false;
							break;
						default:
							break;
					}
				}
				break;
			case '4':
				system("cls");
				mod->delete_stu_info();
				cout << "\n\t\t按任意键返回主菜单..." << flush;
				getch();
				break;
			case '5':
				system("cls");
				mod->calc_stu_score();
				cout << "\t\t按任意键返回主菜单..." << flush;
				getch();
				break;
			case '0':
				mod->save_info();
				mod->save_total();
				cout << "0\n\t\t" << flush;
				system("cls");
				cout << "\n\n\t\t信息已保存，可正常退出..." << endl;
				exit(0);
				break;
			default:
				system("cls");
				break;
		}//end of switch
		system("cls");

	}//end of while

}

void stu_browse(CsStuInfo *p, School *mod)		//参数指针p指向存放该学生个人信息的结点
{
	char ch;

	while (1)
	{
		cout<<"\n\n\t       ☆☆☆☆欢迎进入学籍管理系统☆☆☆☆"<< endl << endl;
		cout << "\t\t\t1.查询个人信息" << endl
			 << "\t\t\t2.学期成绩查询" << endl
			 << "\t\t\t3.修改密码" << endl
			 << "\t\t\t0.退出系统" << endl
			 << "\n\t\t\t请选择:" << flush;
		ch = getch();
		switch(ch)
		{
		case '1':
			system("cls");
			p->output_info();
			cout << "\n\t\t按任意键返回主菜单..." << flush;
			getch();
			system("cls");
			break;
		case '2':
			system("cls");
			p->output_score();
			cout << "\n\t\t按任意键返回主菜单..." << flush;
			getch();
			system("cls");
			break;
		case '3':
			system("cls");
			p->reset_password();
			mod->save_info();
			cout << "\n\t\t按任意键返回主菜单..." << flush;
			getch();
			system("cls");
			break;
		case '0':
			cout << "0\n\t\t" << flush;
			system("cls");
			cout << "\n\n\t\t信息已保存，可正常退出..." << endl;
			exit(0);
			break;
		default:
			system("cls");
			break;
		}//end of switch
		system("cls");
	}//end of while
	
}

void login_1(School *mod)
{
	system("cls");
	admin_browse(mod);
}

void login_2()
{
	system("cls");
	cout << "\t\t\t访学生不存在,请与管理员联系" << endl;
}

void login_3(char *account, CsStuInfo *head, School *mod)
{
	system("cls");
	CsStuInfo *p = search(account, head);
	stu_browse(p, mod);	
}

void login_4()
{
	system("cls");
	cout << "\t\t\t密码错误,请重新登录!" << endl;
}