#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <STDLIB.H>  
#include <stdlib.h>
int N=0;
struct stu
{ 
	long int xuehao;              /*学号*/
  	char  name[10];           /*姓名*/
 	char  sex[4];              /*性别*/
  	int   age;                 /*年龄*/
  	char  birth[10];           /*出生年月*/
 	char  address[10];        /*地址*/
  	char  phone[15];          /*电话号码*/
  	char  mail[20];         /*mail*/
 }s[40];

void READ()
{
 FILE *fp;
  fp=fopen("xsxxk.txt","r");
  while( fscanf(fp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",&s[N].xuehao,s[N].name,s[N].sex,&s[N].age,s[N].birth,s[N].address,s[N].phone,s[N].mail)!=EOF) N++;
  fclose(fp);
  }

void WRITE()
{
	int i;
	FILE *fp;
	fp=fopen("newstudk.txt","w");
 	for(i=0;i<N;i++)
  	fprintf(fp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[i].xuehao,s[i].name,s[i].sex,s[i].age,s[i].birth,s[i].address,s[i].phone,s[i].mail);
    fclose(fp);
}


void Display()    /*显示模块*/
{
	system ("color 9F");
	int i=0;
    FILE *fp;    /*定义文件结构类指针*/
	fp=fopen("xsxxk.txt","r");
	system("cls");    /*清屏*/
	printf(" 学号  | 姓名   | 性别 | 年龄 | 出生年月 | 地址   |  电话号码   |  mail\n");
	printf("       |        |      |      |          |        |             |     \n ");
	while(fscanf(fp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",&s[i].xuehao,s[i].name,s[i].sex,&s[i].age,s[i].birth,s[i].address,s[i].phone,s[i].mail)!=EOF)
	{
		printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",s[i].xuehao,s[i].name,s[i].sex,s[i].age,s[i].birth,s[i].address,s[i].phone,s[i].mail);
		i++;
	}
	fclose(fp);
}


void Add()     /*追加模块*/ 
{
	system ("color CF");
	int n,i,a=1,j;
	FILE *fp;
	while(a==1)
	{
		system("cls");    /*清屏*/
		printf("     ****************************\n");
		printf("     *                          *\n");
		printf("     *                          *\n");
		printf("     *     请输入添加个数n:     *\n");
		printf("     *                          *\n");
		printf("     *                          *\n");
		printf("     ****************************\n");
		scanf("%d",&n);
		for(i=0;i<n;i++)
		{
			printf("学号：");scanf("%ld",&s[N].xuehao);
		 	printf("名字：");scanf("%s",s[N].name);
         	printf("性别：");scanf("%s",s[N].sex);
         	printf("年龄：");scanf("%d",&s[N].age);
         	printf("出生日期：");scanf("%s",s[N].birth);
         	printf("地址：");scanf("%s",s[N].address);
         	printf("电话号码：");scanf("%s",s[N].phone);
         	printf("mail：");scanf("%s",s[N].mail);
	     	if(n>1)
			{
				printf("\n\n  前一组值已输入完毕，请接着输入下一组值！\n");
			}
			fp=fopen("xsxxk.txt","w");
	    	for(j=0;j<=N;j++)
			{
				fprintf(fp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[j].xuehao,s[j].name,s[j].sex,s[j].age,s[j].birth,s[j].address,s[j].phone,s[j].mail);
			}
    		fclose(fp);
			N++;
		}
	system("cls");    /*清屏*/
    printf("     |==========================|\n");
    printf("     |                          |\n");
    printf("     |       是否继续增加？     |\n");
	printf("     |                          |\n");
    printf("     |     1.是         2.否    |\n");
    printf("     |                          |\n");
    printf("     |==========================|\n");
	printf("  请选择1-2：");
	scanf("%d",&a);
	if(a==2)
		break;
	}
}

void xiugai()   /*修改模块*/ 
{
	system ("color 5F");
	int lgl=1;  
	int x,i=0,k;
    long int xuehao;  
	char name[10];
    struct stu *p;
	FILE *tp;
	int lgl1=1;
    while(lgl1==1)
	{
	system("cls");    /*清屏*/
    printf("     |==========================================|\n");
    printf("     |             请选择修改的人               |\n");
	printf("     |==========================================|\n");
    printf("     |            1.学号     2.姓名             |\n");
    printf("     |==========================================|\n");
    printf("     |                 3.取消                   |\n");
    printf("     |==========================================|\n");
	printf("  请选择：");
    scanf("%d",&x);
	switch(x)
	{case 1: 
	printf("请输入要修改的学生学号：");
	scanf("%ld",&xuehao);
    for(p=s;p<s+N;p++)
	{if(p->xuehao==xuehao)
	{
	i=1;
	int j;  //菜单选择项//
	while(lgl==1)
	{
	system("cls");    /*清屏*/
    printf("\n\n");
	printf("      |=======================================|\n");
	printf("      |          请选择要修改的项目：         |\n");
    printf("      |=======================================|\n");
	printf("      |         1.性别       2.年龄           |\n");
    printf("      |=======================================|\n");
	printf("      |         3.出生日期   4.地址           |\n");
    printf("      |=======================================|\n");
	printf("      |         5.电话号码   6.mail           |\n");
    printf("      |=======================================|\n");
    printf("      |                7.取消                 |\n");
	printf("      |=======================================|\n");
	printf("请选择想要修改的项目1-7：");
	scanf("%d",&j);
	switch(j)
	{ case 1: printf("新性别：");  scanf("%s",p->sex);    break;
	case 2: printf("新年龄：");  scanf("%d",&p->age);    break;
	case 3: printf("新出生日期：");  scanf("%s",p->birth);    break;
	case 4: printf("新地址：");  scanf("%s",p->address);   break;
	case 5: printf("新电话号码：");  scanf("%s",p->phone);   break;
	case 6: printf("新mail：");  scanf("%s",p->mail);    break;
	case 7: break;
	}
	printf("修改后数据如下：\n");
	printf("% 6ld% 8s% 6s% 6d% 10s% 10s% 15s% 20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
	tp=fopen("xsxxk.txt","w");
	for(k=0;k<N;k++)
	fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[k].xuehao,s[k].name,s[k].sex,s[k].age,s[k].birth,s[k].address,s[k].phone,s[k].mail);
	fclose(tp);
	printf("修改已成功！是否继续修改此项目的其他数据：(Y/N)");
	char a; scanf("%s",&a); 
	if(a=='y'||a=='Y') lgl=1;
	if(a=='n'||a=='N') lgl=0; 
	 }
	printf("是否返回修改其他数据：(Y/N)"); 
	char b; 
	scanf("%s",&b); 
	if(b=='y'||b=='Y') lgl1=1;lgl=1;
	if(b=='n'||b=='N') lgl1=0;
	}}
	if(i==0) 
	{
		printf("\n\n对不起！您查询的数据不存在！\n是否返回菜单继续选择修改：(Y/N)"); 
	    char c; 
	    scanf("%s",&c); 
	    if(c=='y'||c=='Y') lgl1=1;
	    if(c=='n'||c=='N') lgl1=0;}
	    break;
	case 2:  
	printf("请输入要修改的学生姓名：");
	scanf("%s",name);
	for(p=s;p<s+N;p++)
	{
		if(strcmp(p->name,name)==0)
		{i=1;
		int j;  //菜单选择项
		while(lgl==1)
		{system("cls");    /*清屏*/
		printf("\n\n");
	    printf("      |============================|\n");
        printf("      |============================|\n");
        printf("      |     请选择要修改的项目：   |\n");
        printf("      |============================|\n");
    	printf("      |    1.性别       2.年龄     |\n");
        printf("      |============================|\n");
	    printf("      |    3.出生日期   4.地址     |\n");
        printf("      |============================|\n");
	    printf("      |    5.电话号码   6.mail     |\n");
        printf("      |============================|\n");
        printf("      |           7.取消           |\n");
        printf("      |============================\n");
	    printf("      |===========================|\n");
	    printf("请选择想要修改的项目1-7：");
	    scanf("%d",&j);
	    switch(j)
		{ case 1: printf("新性别：");  scanf("%s",p->sex);    break;
	    case 2: printf("新年龄：");  scanf("%d",&p->age);    break;
	    case 3: printf("新出生日期：");  scanf("%s",p->birth);    break;
	    case 4: printf("新地址：");  scanf("%s",p->address);   break;
	    case 5: printf("新电话号码：");  scanf("%s",p->phone);   break;
	    case 6: printf("新mail：");  scanf("%s",p->mail);    break;
	    case 7: break;
		}
	    printf("修改后如下：\n");
	    printf("% 6ld% 8s% 6s% 6d% 10s% 10s% 15s% 20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
	    tp=fopen("xsxxk.txt","w");
	    for(k=0;k<N;k++)
	    fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[k].xuehao,s[k].name,s[k].sex,s[k].age,s[k].birth,s[k].address,s[k].phone,s[k].mail);
	    fclose(tp);
	    printf("修改已成功！是否继续修改此项目的其他数据：(Y/N)");
	    char d; scanf("%s",&d); 
	    if(d=='y'||d=='Y') lgl=1;
	    if(d=='n'||d=='N') lgl=0;}
	    printf("是否返回修改其他数据：(Y/N)"); 
		char e; scanf("%s",&e);
		if(e=='y'||e=='Y') lgl1=1; lgl=1;
	    if(e=='n'||e=='N') lgl1=0;
	}}
	if(i==0) 
	{printf("\n\t对不起！您查询的数据不存在！\n是否返回菜单继续选择修改：(Y/N)"); 
	char m; scanf("%s",&m); 
	if(m=='y'||m=='Y') lgl1=1;
	if(m=='n'||m=='N') lgl1=0;}
	
	break;
	case 3:  
		system("cls");
		lgl1=0; break;
	}}
}

void shanchu()   /*删除模块*/ 
{ 
	system ("color 5F");
	int i,j=1,k=0,m=1, scxuehao;
	char scxm[8];
	struct stu *p;
	FILE *tp;
 	p=s;
	system("cls");    /*清屏*/
 	while(m){
 	printf("     |===========================|\n");
	printf("     |          删除方式         |\n");
	printf("     |              |            |\n");
	printf("     |    1:学号    |   2:姓名   |\n");
	printf("     |              |            |\n");
	printf("     |===========================|\n");
	printf("请选择删除的类型1-2：");
	scanf("%d",&i);
	switch(i)
	{case 1: 
		printf("请输入删除的学生学号：");
		scanf("%16d",&scxuehao);
 	for (k=0;k<N;k++)
	{if(scxuehao==p[k].xuehao)
	{j=0;
 	for(;k<N;k++)
	p[k]=p[k+1];
	N--;
 	printf("删除成功！");}}
	if (j==1)
	{printf("没有找到要删除的信息！是否继续删除【Y/N】："); char sf; scanf("%s",&sf);if(sf=='Y'||sf=='y') m=1;if(sf=='N'||sf=='n') m=0;}
	if (j==0)
	{printf("是否继续删除【Y/N】");char sf; scanf("%s",&sf); if(sf=='Y'||sf=='y') m=1;if(sf=='N'||sf=='n') m=0;}
	break;
	case 2:
		printf("请输入删除的姓名：");
		scanf("%s",scxm);
		for (k=0;k<N;k++)
		{if(strcmp(scxm,s[k].name)==0)
		{j=0;
		for(;k<N;k++)
		p[k]=p[k+1];
		N--;
		printf("删除成功！\n");}}
		if (j==1)
		{printf("没有找到要删除的信息！是否继续删除【Y/N】："); char sf; scanf("%s",&sf); if(sf=='Y'||sf=='y') m=1;if(sf=='N'||sf=='n') m=0;}
		if (j==0)
		{printf("是否继续删除【Y/N】");char sf; scanf("%s",&sf); if(sf=='Y'||sf=='y') m=1;if(sf=='N'||sf=='n') m=0;}
	}}
 	tp=fopen("xsxxk.txt","w");
	for(i=0;i<N;i++)
	fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[i].xuehao,s[i].name,s[i].sex,s[i].age,s[i].birth,s[i].address,s[i].phone,s[i].mail);
	 fclose(tp);
}

void Found()   /*查询模块*/ 
{
	system("color CF");
	int j=0;
	long int xuehao;              /*学号*/
    char  name[10];           /*姓名*/
    char  sex[4];              /*性别*/
    int   age;                 /*年龄*/
    char  birth[10];           /*出生年月*/
    char  address[10];        /*地址*/	
	struct stu *p;
	int x;
	int lgl=1;
	while(lgl==1)
	{
		int xs=0;     //控制查询到的信息显示//
		system("cls");    /*清屏*/
	    printf("\n\n\n");
	    printf("      |=============================|\n");
        printf("      |=============================|\n");
	    printf("      |    请选择要查询的项目：     |\n");
        printf("      |=============================|\n");
	    printf("      |    1.学号       2.姓名      |\n");
        printf("      |=============================|\n");
	    printf("      |   3.性别       4.年龄       |\n");
        printf("      |=============================|\n");
	    printf("      |    5.出生日期   6.地址      |\n");
        printf("      |=============================|\n");
        printf("      |          7.取消             |\n");
        printf("      |=============================|\n");
    	printf("      |=============================|\n");
	    printf("请选择想要查询的项目1-7：");
		scanf("%d",&x);
		switch(x)
		{
		case 1:
			printf("请输入查询学号：");
			scanf("%ld",&xuehao);
			for(p=s;p<s+N;p++)
			{if (p->xuehao==xuehao)
			{j=1;
			 if(xs==0)
			 {printf("查询到的信息如下：\n");
			 xs++;
			 printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			 printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}
			}
			if(j==0)
			{
				printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char a; 
				scanf("%s",&a); 
				if(a=='y'||a=='Y') lgl=1;
				if(a=='n'||a=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; printf("是否继续查询：(Y/N)");
				char b; 
				scanf("%s",&b); 
				if(b=='y'||b=='Y') lgl=1; 
				if(b=='n'||b=='N') lgl=0;
			}
			break;
		case 2:
			printf("请输入学生姓名：");
			scanf("%s",&name);
			for(p=s;p<s+N;p++)
			{
				if (strcmp(p->name,name)==0)
			{j=1;
			 if(xs==0)
			 {printf("查询到的信息如下：\n");
			  xs++;
			  printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			  printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}}
			if(j==0)
			{
		        printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char c; 
				scanf("%s",&c); 
				if(c=='y'||c=='Y') lgl=1;
				if(c=='n'||c=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; 
				printf("是否继续查询：(Y/N)");
				char d; 
				scanf("%s",&d); 
				if(d=='y'||d=='Y') lgl=1; 
				if(d=='n'||d=='N') lgl=0;
			}
			break;
		case 3:
			printf("请输入学生性别：");
			scanf("%s",sex);
			for(p=s;p<s+N;p++)
			{
				if (strcmp(p->sex,sex)==0)
			{j=1;
		 	 if(xs==0)
			 {
				 printf("查询到的信息如下：\n");
			     xs++;
		   	     printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			     printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}}
			if(j==0)
			{
				printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char e; 
				scanf("%s",&e); 
				if(e=='y'||e=='Y') lgl=1;
				if(e=='n'||e=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; 
				printf("是否继续查询：(Y/N)");
				char l; 
				scanf("%s",&l); 
				if(l=='y'||l=='Y') lgl=1; 
				if(l=='n'||l=='N') lgl=0;
			}
			break;
		case 4:
			printf("请输入学生年龄：");
			scanf("%d",&age);
			for(p=s;p<s+N;p++)
			{
				if (p->age==age)
			{j=1;
		     
			 if(xs==0)
			 {
				 printf("查询到的信息如下：\n");
			     xs++;
			     printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			     printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}}
			if(j==0)
			{
				printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char u; 
				scanf("%s",&u); 
				if(u=='y'||u=='Y') lgl=1;
				if(u=='n'||u=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; 
				printf("是否继续查询：(Y/N)");
				char q; 
				scanf("%s",&q); 
				if(q=='y'||q=='Y') lgl=1; 
				if(q=='n'||q=='N') lgl=0;
			}
			break;
		case 5:
			printf("请输入学生出生日期：");
			scanf("%s",birth);
			for(p=s;p<s+N;p++)
			{
				if (strcmp(p->birth,birth)==0)
			{j=1;
			 if(xs==0)
			 {
				 printf("查询到的信息如下：\n");
			     xs++;
			     printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			     printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}
			}
			if(j==0)
			{
				printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char a; 
				scanf("%s",&a); 
				if(a=='y'||a=='Y') lgl=1;
				if(a=='n'||a=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; 
				printf("是否继续查询：(Y/N)");
				char b; 
				scanf("%s",&b); 
				if(b=='y'||b=='Y') lgl=1; 
				if(b=='n'||b=='N') lgl=0;
			}
			break;
		case 6:
			printf("请输入学生地址：");
			scanf("%s",address);
			for(p=s;p<s+N;p++)
			{
				if (strcmp(p->address,address)==0)
			{j=1;
		     system("cls");
			 if(xs==0)
			 {
				 printf("查询到的信息如下：\n");
			     xs++;
			     printf("  学号    姓名    性别  年龄  出生年月    地址        电话号码       mail\n");}
			     printf("% -10ld% -9s% -5s% -6d% -11s% -11s% -15s% -20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
			}}
			if(j==0)
			{
				printf("\n\n查无此人！\n是否继续查询：(Y/N)");
				char a;
				scanf("%s",&a); 
				if(a=='y'||a=='Y') lgl=1;
				if(a=='n'||a=='N') lgl=0;
			}
			if(j==1)
			{
				j=0; 
				printf("是否继续查询：(Y/N)");
				char b; 
				scanf("%s",&b); 
				if(b=='y'||b=='Y') lgl=1; 
				if(b=='n'||b=='N') lgl=0;
			}
			break;
		case 7:  lgl=0; 
			break;
	}}
}
void  paixu()   /*排序模块*/ 
{
	system("color 30");
	int i,j;
	FILE *tp;
	struct stu temp;
	for(i=0;i<N-1;i++)
	{
		for(j=i+1;j<N;j++)
		{
			if(s[i].xuehao>s[j].xuehao)
			{	
				temp=s[j];
				s[j]=s[i];
				s[i]=temp;
			}
		}
	}
	tp=fopen("xsxxk.txt","w");
	for(i=0;i<N;i++)
		fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[i].xuehao,s[i].name,s[i].sex,s[i].age,s[i].birth,s[i].address,s[i].phone,s[i].mail);
	fclose(tp);
}

void Exit()   
{
	system ("color 3F");
	system("cls");   
    printf("     ========================================|\n");
    printf("     |                                       |\n");
    printf("     |          学生信息管理系统             |\n");
    printf("     |                                       |\n");
    printf("     |         制作人：周韬 周远航           |\n");
    printf("     |                                       |\n");
	printf("     |         期待您的再次使用 !            |\n");
	printf("     |                                       |\n"); 
    printf("     |        湖南工业大学通信1803           |\n");
    printf("     |                                       |\n");
    printf("     |=======================================|\n");
}
void help()
{
	system("color 57");
	system("cls");
	printf("|                              您好!                                      |\n");
	printf("|=========================================================================|\n");
	printf("|                                                                         |\n");
	printf("|                     欢迎进入学生信息管理系统!                           |\n");
	printf("|                                                                         |\n");
	printf("|                请按照提示输入数字选择你要进行的操作!                    |\n");
	printf("|                                                                         |\n");
	printf("|                     改变学生信息会自动保存!                             |\n");
	printf("|                                                                         |\n");
	printf("|                           感谢您的使用!                                 |\n");
	printf("|                                                                         |\n");
	printf("|=========================================================================|\n");
}
int main()
{ 
	system("color 9F");
	int k;
  	READ();
  	k=1;
  while(k)
  { 
	system("cls");    /*清屏*/
    printf("\n\n");
    printf("     |==========================================|\n");
    printf("     |                                          |\n");
	printf("     |         欢迎使用学生信息管理系统         |\n");
    printf("     |                                          |\n");
    printf("     |==========================================|\n");
    printf("     |                                          |\n");
    printf("     |              湖南工业大学                |\n");
    printf("     |                                          |\n"); 
    printf("     |          请选择你要进行的操作            |\n");
    printf("     |                                          |\n");
    printf("     |==========================================|\n");
    printf("     |                                          |\n");
    printf("     |          1:帮助        2:添加信息        |\n");
    printf("     |                                          |\n");
    printf("     |          3:修改信息    4:删除信息        |\n");
    printf("     |                                          |\n");
    printf("     |          5:查询信息    6:显示所有信息    |\n");
    printf("     |                                          |\n");
    printf("     |          7.排序        8.退出            |\n");
    printf("     |                                          |\n");
    printf("     |               2019.1.05                  |\n");
    printf("     |==========================================|\n");
    printf("\n\n   请输入您的选择: ");
    scanf("%d",&k);
    switch(k)
    {
     case 1:help();break;
     case 6:Display(); break;
     case 2:Add(); Display(); break;
     case 3:xiugai(); Display(); break;
     case 4:shanchu(); Display(); break;
     case 5:Found();break;
     case 7:paixu(); Display(); break;
     case 8:Exit(); k=0; break;
     return 0;

     }
  printf("\n\n按任意键继续！\n");
  getch();
  }
  WRITE();
  }