读取数据出现乱码怎么回事
程序代码：
#include <stdio.h>
#include <stdlib.h>
#include <io.h>
typedef struct
{
int eid; //员工号
char name[30]; //姓名
char gender[10]; //性别
int age; //年龄
double score; //综合得分
char level; //等级
}employee;
typedef struct list
{
employee person;
struct list* next;
}list;
//定义一个头结点
list *Init()
{
list *head;
head=(list *)malloc(sizeof(list));
if(head==NULL)
return NULL;//申请失败
head->next=NULL;
return head;
}
//等级判断
void divide(list *head)
{
list *q;
q=head;
while(q!=NULL)
{
if((q->person.score)>=90) q->person.level='O';
else if((q->person.score)>=80) q->person.level='E';
else if((q->person.score)>=70) q->person.level='A';
else if((q->person.score)>=60) q->person.level='P';
else if(60>(q->person.score)) q->person.level='D';
q=q->next;
}
}
//读取文件中的数据
void Load(list *head)
{
FILE *fp;
list *p,*q;
p=head;
p->next=NULL;
if(0==access("c:\\配置.ini",0))
{
if((fp=fopen("c:\\配置.ini","rb"))==NULL) return;
do
{
q=(list *)malloc(sizeof(list));
if(q!=NULL)
{
if(1==fread(q,sizeof(employee),1,fp))
{
p->next=q;
q->next=NULL;
p=p->next;
}
else
q=NULL;
}
}
while(q);
fclose(fp);
}
}
//保存到文件中
void save(list *head)
{
FILE *fp;
list *p;
if((fp=fopen("c:\\配置.ini","wb"))==NULL)
{
printf("文件无法创建请重试!\n");
}
p=head->next;
while(p!=NULL)
{
if(fwrite(p,sizeof(list),1,fp)!=1)
printf("文件写入错误!\n");
p=p->next;
}
printf("文件写入成功!\n");
fclose(fp);
}
//录入员工数据
void Input(list *head)
{
char ch;
list *p,*q;
p=head;
while(p->next!=NULL)
p=p->next;
do
{
q=(list *)malloc(sizeof(list));
fflush(stdin);
printf("请输入员工的信息。\n");
printf("工号:");
scanf("%d",&q->person.eid);
printf("姓名:");
scanf("%s",q->person.name);
printf("性别:");
scanf("%s",q->person.gender);
printf("年龄:");
scanf("%d",&q->person.age);
printf("综合得分:");
q->person.score=q->person.score;
scanf("%lf",&q->person.score);
q->next=NULL;
p->next=q;
p=p->next;
divide(head);
printf("录入联系人%s成功,是否继续录入?(Y/N) ",q->person.name);
fflush(stdin);
ch=getchar();
}
while(ch!='N'&&ch!='n');
save(head);
}
//读出数据
void Display(list *head)
{
list *q;
q=head->next;
printf("\n-------------------------");
printf("\n工号\t姓名\t性别\t年龄\t综合得分\t等级");
printf("\n-------------------------");
while(q!=NULL)
{
printf("\n%d",q->person.eid);
printf("\t%s",q->person.name);
printf("\t%s",q->person.gender);
printf("\t%d",q->person.age);
printf("\t%0.1f",q->person.score);
printf("\t%c",q->person.level);
q=q->next;//指向下一员工
}
printf("\n-------------------------");
printf("\n");
}
//菜单
int menu()
{
char c;
do{
system("cls");
printf("\t\t************** 员工管理系统 **************\n");
printf("\t\t 1.读取当前文件已有员工信息 \n");
printf("\t\t 2.录入员工信息 \n");
printf("\t\t 3.显示所有员工信息 \n");
printf("\t\t 4.查询员工信息 \n");
printf("\t\t 5.修改员工信息 \n");
printf("\t\t 6.统计员工信息 \n");
printf("\t\t 7.对员工信息进行排序 \n");
printf("\t\t 0.退出系统 \n");
printf("\t\t******************************************\n");
printf("\t\t请输入您的选择(0-7):");
fflush(stdin);
c=getchar();
}
while(c<'0'||c>'7');
return(c-'0');
}
void main()
{
list *head;
head=Init();
while(1)
{
switch(menu())
{
case 0:
printf("\t\t谢谢使用本程序，再见!\n");
printf("\t\t");
system("pause");
exit(0);
case 1:
Load(head);
system("pause");
break;//读取当前文件已有员工信息
case 2:Input(head);
system("pause");
break;//录入员工信息
case 3:
Display(head);
system("pause");
break;
case 4:;system("pause");
case 5:;system("pause");
case 6:;system("pause");
case 7:;system("pause");
}
}
}
[此贴子已经被作者于2016-5-26 22:35编辑过]
