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");
	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;
	}
}