求怎么把数据存入文件中
#include<stdio.h>#include<stdlib.h>
#include<string.h>
#define MAXSIZE 100
typedef struct
{
int score;
char no[10];
char name[10];
char sex[10];
char born[15];
char worktime[10];
char address[20];
char tel[15];
}Student;
typedef struct
{
int last;
Student data[MAXSIZE];
}Seqlist;
void displayAll(Seqlist *L)
{
int n;
int i=0;
n=L->last;
printf("学号 姓名 性别 出生年月 工作时间 家庭地址 电话号码 数据结构成绩\n");
while(i<=n)
{
printf("%-8s",L->data[i].no);
printf("%-12s",L->data[i].name);
printf("%-8s",L->data[i].sex);
printf("%-12s",L->data[i].born);
printf("%-12s",L->data[i].worktime);
printf("%-12s",L->data[i].address);
printf("%-12s",L->data[i].tel);
printf("%-12d",L->data[i].score);
printf("\n");
i=i+1;
}
}
void display(Seqlist *L,int i)
{
printf("学号 姓名 性别 出生年月 工作时间 家庭地址 电话号码 数据结构成绩\n");
printf("%-8s",L->data[i].no);
printf("%-12s",L->data[i].name);
printf("%-8s",L->data[i].sex);
printf("%-12s",L->data[i].born);
printf("%-12s",L->data[i].worktime);
printf("%-12s",L->data[i].address);
printf("%-12s",L->data[i].tel);
printf("%-12d",L->data[i].score);
printf("\n");
}
Student* inputdata()
{
Student s1;
Student *s=&s1;
char no[10];
printf("\n请输入学号:");
scanf("%s",&no);
if(no[0]=='#')
return NULL;
strcpy(s->no,no);
printf("\n请输入姓名:");
scanf("%s",s->name);
printf("\n请输入性别:");
scanf("%s",s->sex);
printf("\n请输入出生年月:");
scanf("%s",s->born);
printf("\n请输入工作时间:");
scanf("%s",s->worktime);
printf("\n请输入家庭地址:");
scanf("%s",s->address);
printf("\n请输入电话号码:");
scanf("%s",s->tel);
printf("\n请输入数据结构成绩:");
scanf("%d",&(s->score));
return s;
}
Seqlist* initseq()
{
FILE *fp=NULL;
fp=fopen("student.dat","r");
Seqlist *L;
L=(Seqlist *)malloc(sizeof(Seqlist));
L->last=-1;
Student *s;
printf("\n请输入学生信息，按#结束输入!");
s=inputdata();
while(s)
{
L->last++;
L->data[L->last]=*s;
s=inputdata();
fwrite(&L->data[L->last],sizeof(Seqlist),1,fp);
}
fclose(fp);
return L;
}
int deleteElem(Seqlist *L,char ch[10])
{
int j,i;
for(i=0;i<=L->last+1;i++)
{
if(strcmp(L->data[i].no,ch)==0||strcmp(L->data[i].name,ch)==0)
{
if (L->last == 0)
{
free(L);
}
else
{
for(j=i;j<=L->last+1;j++)
{
if (j+1 <= L->last+1)
{
L->data[j]=L->data[j+1];
}
}
}
}
}
L->last--;
return 1;
}
void locateElem(Seqlist *L,char ch[10])
{
int i;
for(i=0;i<=L->last+1;i++)
if(strcmp(L->data[i].no,ch)==0||strcmp(L->data[i].name,ch)==0)
{
display(L,i);
break;
}
}
int lengthList(Seqlist *L)
{
return L->last+1;
}
void insertsort(Seqlist *L)
{
Seqlist *L1=(Seqlist *)malloc(sizeof(Seqlist));
Student temp;
int len,i,j;
len=L->last;
for(i=0;i<=len;i++)
{
L1->data[i]=L->data[i];
}
L1->last=L->last;
for(i=1;i<=len;i++)
{
if(L1->data[i].score<L1->data[i-1].score)
{
temp.score=L1->data[i].score;
strcpy(temp.no,L1->data[i].no);
strcpy(temp.name,L1->data[i].name);
strcpy(temp.sex,L1->data[i].sex);
strcpy(temp.address,L1->data[i].address);
strcpy(temp.born,L1->data[i].born);
strcpy(temp.tel,L1->data[i].tel);
strcpy(temp.worktime,L1->data[i].worktime);
L1->data[i]=L1->data[i-1];
for(j=i-2;(temp.score>L1->data[j].score)&&(j>=0);j--)
L1->data[j+1]=L1->data[j];
L1->data[j+1].score=temp.score;
strcpy(L1->data[j+1].no,temp.no);
strcpy(L1->data[j+1].name,temp.name);
strcpy(L1->data[j+1].sex,temp.sex);
strcpy(L1->data[j+1].address,temp.address);
strcpy(L1->data[j+1].born,temp.born);
strcpy(L1->data[j+1].tel,temp.tel);
strcpy(L1->data[j+1].worktime,temp.worktime);
}
}
printf("\n排序后为：\n");
displayAll(L1);
}
void insertsort1(Seqlist *L)
{
Seqlist *L1=(Seqlist *)malloc(sizeof(Seqlist));
Student temp;
int len,i,j;
len=L->last;
for(i=0;i<=len;i++)
{
L1->data[i]=L->data[i];
}
L1->last=L->last;
for(i=1;i<=len;i++)
{
if(L1->data[i].no<L1->data[i-1].no)
{
temp.score=L1->data[i].score;
strcpy(temp.no,L1->data[i].no);
strcpy(temp.name,L1->data[i].name);
strcpy(temp.sex,L1->data[i].sex);
strcpy(temp.address,L1->data[i].address);
strcpy(temp.born,L1->data[i].born);
strcpy(temp.tel,L1->data[i].tel);
strcpy(temp.worktime,L1->data[i].worktime);
L1->data[i]=L1->data[i-1];
for(j=i-2;(temp.no>L1->data[j].no)&&(j>=0);j--)
L1->data[j+1]=L1->data[j];
L1->data[j+1].score=temp.score;
strcpy(L1->data[j+1].no,temp.no);
strcpy(L1->data[j+1].name,temp.name);
strcpy(L1->data[j+1].sex,temp.sex);
strcpy(L1->data[j+1].address,temp.address);
strcpy(L1->data[j+1].born,temp.born);
strcpy(L1->data[j+1].tel,temp.tel);
strcpy(L1->data[j+1].worktime,temp.worktime);
}
}
printf("\n排序后为：\n");
displayAll(L1);
}
int ChangeStudent(Seqlist *L,char ch[10])
{
int i;
for(i=0;i<L->last+1;i++)
if(strcmp(L->data[i].no,ch)==0||strcmp(L->data[i].name,ch)==0)
{
printf("\n请输入学号:");
scanf("%s",L->data[i].no);
printf("\n请输入姓名:");
scanf("%s",L->data[i].name);
printf("\n请输入性别:");
scanf("%s",L->data[i].sex);
printf("\n请输入出生年月:");
scanf("%s",L->data[i].born);
printf("\n请输入工作时间:");
scanf("%s",L->data[i].worktime);
printf("\n请输入家庭地址:");
scanf("%s",L->data[i].address);
printf("\n请输入电话号码:");
scanf("%s",L->data[i].tel);
printf("\n请输入数据结构成绩:");
scanf("%d",&L->data[i].score);
break;
}
return 1;
}
void main()
{
Seqlist *L;
char c;
char ch[10];
int i,res,n,b=1;
printf("\t\t\t仲************************仲\n");
printf("\t\t\t**恺********************恺**\n");
printf("\t\t\t****农****************农****\n");
printf("\t\t\t******业************业******\n");
printf("\t\t\t********工********工********\n");
printf("\t\t\t**********程****程**********\n");
printf("\t\t\t************学学************\n");
printf("\t\t\t************院院************\n");
printf("\t\t\t**********学****学**********\n");
printf("\t\t\t********生********生********\n");
printf("\t\t\t******管************管******\n");
printf("\t\t\t****理****************理****\n");
printf("\t\t\t**系********************系**\n");
printf("\t\t\t统************************统\n");
FILE *fp=fopen("student.dat","r");
if(fp==NULL)
{
printf("是否创建一个文件用于保存数据(y/n)");
scanf("%c",&c);
fflush(stdin);
if(c=='y'||c=='Y')
{
fp=fopen("student.dat","wb");
fclose(fp);
}
else if(c=='n'||c=='N')
exit(0);
}
else
{
fp=fopen("student.dat","ab+");
fread(&L->data,sizeof(Seqlist),1,fp);
fclose(fp);
}
while(b)
{
printf("\n\n");
printf("1.添加学生信息\n");
printf("2.删除学生信息\n");
printf("3.查询学生信息\n");
printf("4.修改学生信息\n");
printf("5.按学号排序\n");
printf("6.按成绩排序\n");
printf("7.显示学生信息\n");
printf("8.显示学生总数\n");
printf("0.退出程序\n");
// system("cls");
printf("\n\n请选择你所需要的功能:\n");
scanf("%d",&n);
switch(n)
{
case 1:
L=initseq();
displayAll(L);
break;
case 2:
printf("\n输入删除学生的学号或姓名：");
scanf("%s",&ch);
res=deleteElem(L,ch);
if(res==1)
displayAll(L);
break;
case 3:
printf("请输入姓名或学号:");
scanf("%s",ch);
locateElem(L,ch);
break;
case 4:
printf("请输入学生的学号或姓名:");
scanf("%s",&ch);
res=ChangeStudent(L,ch);
if(res==1)
displayAll(L);
break;
case 5:
insertsort(L);
break;
case 6:
insertsort1(L);
break;
case 7:
displayAll(L);
break;
case 8:
printf("\n学生总数为%d：\n",lengthList(L));
break;
case 0:
printf("已退出");
b=0;
break;
}
}
}
