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标题:C++职工信息系统程序出现了一个错误,求解
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Demoeve
Rank: 1
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注 册:2013-4-17
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C++职工信息系统程序出现了一个错误,求解
大家帮帮忙,出现一个问题一直找不到。
问题描述:当进行4“删除”操作后,再进行5“输出”数据就会发生错误,麻烦了!

#include <stdlib.H>
#include <string.h>
#include<stdio.h>
struct
{
char name[8];
char num[10];
char sex[10];
char age[10];
char record[10];
char position[15];
char wanges[10];
char tel[15];
char addr[50];
}one;                                    
               
FILE *fp;               

                              
void output();                              
void search();                              
void append();                              
void modify();                              
void delet();                              
void nameway();
void xueliway();
void numway();
void main()
                                
{
int m;


while(1)
{   printf("\n\n\n\t\t    ______________________________________\n");
    printf("\t\t    欢迎进入XXXXX员工信息系统\n");
    printf("\t\t    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n");
    printf("\n\t\t\t\t添加,请按1");
    printf("\n\t\t\t\t查找,请按2");
    printf("\n\t\t\t\t修改,请按3");
    printf("\n\t\t\t\t删除,请按4");
    printf("\n\t\t\t\t输出,请按5");

printf("\n\t\t\t\t退出,请按0\n");                  
scanf("%d",&m);
if(m>=0&&m<=5)
{
switch(m)
{
case 1: append();
break;
case 2: search();
break;
case 3: modify();
break;
case 4: delet();
break;
case 5: output();
break;

case 0: exit(0);
    break;
}
printf("\n\n操作完毕,请再次选择!");
}
else
printf("\n\n选择错误,请再次选择!");
}
}

void output()                           
{
if((fp=fopen("worker.xls","r"))==NULL)      
{
printf("\n不能打开该文件!");
exit(0);
}
printf("\n\n%20s\n","职工信息管理系统");
while(!feof(fp))
{
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
printf("%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
}
fclose(fp);
}

void append()                          
{
if((fp=fopen("worker.xls","a"))==NULL)     
{
printf("\n不能打开该文件!");
exit(0);
}
printf("\n请输入添加职工信息(姓名、职工号、性别、年龄、学历、职位、工资、电话、地址)\n");
printf("请注意输入数据时,每输入一个数据按一下回车键,接着输入下一个(例如:先输入姓名李二,接着回车,再然后输入职工号1)\n");
scanf("%s%s%s%s%s%s%s%s%s",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
fprintf(fp,"%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
fclose(fp);                     
}


void search()                    
{
    int l;
printf("\t\t\t\t*姓名查找按:1*\n");
printf("\t\t\t\t*学历查找按:2*\n");
printf("\t\t\t\t*职工号查按:3*\n");

scanf("%d",&l);
if(l>0&&l<4)
{switch(l)
{
case 1:nameway();
break;
case 2:xueliway();
break;
case 3:numway();
break;
}
  printf("\n\n操作完毕!!!");
}
else printf("\t\t\t\t输入有误!!!");
}

void nameway()
{
int k=0;
char nam[8];
printf("\n请输入您要查找的职工姓名:");
scanf("%s",nam);

if((fp=fopen("worker.xls","rb"))==NULL)        
{
printf("\n不能打开文件!");
exit(0);
}
while(!feof(fp))
{
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
if(strcmp(nam,one.name)==0)
{
printf("\n\n已查到,记录为:");
printf("\n%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
k=1;
}
}
if(k==0)
printf("\n\n对不起,查无此人!。");
fclose(fp);
}

void xueliway()
{int j=0;
char xueli[10];
printf("\t\t\t\t输入你要查询的学历\n");
scanf("%s",xueli);
if((fp=fopen("worker.xls","rb"))==NULL)        
{
printf("\n不能打开文件!");
exit(0);
}
while(!feof(fp))
{
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
if(strcmp(xueli,one.record)==0)
{
printf("\n\n已查到,记录为:");
printf("\n%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
j=1;
}
}
if(j==0)
printf("\n\n对不起,查无此人!。");
fclose(fp);
}

void numway()
{
    int i=0;
    char numb[10];
printf("\t\t\t\t输入你要查询的共号\n");
scanf("%s",numb);
if((fp=fopen("worker.xls","rb"))==NULL)        
{
printf("\n不能打开文件!");
exit(0);
}
while(!feof(fp))
{
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
if(!strcmp(numb,one.num))
{
printf("\n\n已查到,记录为:");
printf("\n%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
i=1;
}
}
if(!i)
printf("\n\n对不起,查无此人!。");
fclose(fp);
}

void modify()                          
{
int k=0;
long a;
char namekey[8];
printf("\n请输入您要修改的职工的姓名:");
scanf("%s",namekey);

if((fp=fopen("worker.xls","r+"))==NULL)      
{
printf("\n不能打开该文件!");
exit(0);
}
while(!feof(fp))
{
a=ftell(fp);                     
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
if(!strcmp(namekey,one.name))
{
k=1;
break;
}
}
if(k)
{
printf("\n已查到,记录为:");
printf("\n%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
printf("\n请输入信息(按照姓名、职工号、性别、年龄、学历、职位、工资、电话、地址的顺序输入):");
scanf("%s%s%s%s%s%s%s%s%s",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
fseek(fp,a,0);
fprintf(fp,"%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
}
else
printf("\n对不起,查无此人,无法进行修改。");
fclose(fp);                           
}

void delet()                          
{
int m,k=0;
long a;
char namekey[8];
printf("\n请输入您要删除的职工姓名:");
scanf("%s",namekey);
if((fp=fopen("worker.xls","r+"))==NULL)     
{
printf("\n不能打开该文件!");
exit(0);
}
while(!feof(fp))
{
a=ftell(fp);               
fscanf(fp,"%s%s%s%s%s%s%s%s%s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
if(strcmp(namekey,one.name)==0)
{
k=1;
break;
}
}
if(k==1)
{
printf("\n已查到,记录为");
printf("\n%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n",one.name,one.num,one.sex,one.age,one.record,one.position,one.wanges,one.tel,one.addr);
printf("\n确实要删除,按1;不删除,按0:");
scanf("%d",&m);
if(m==1)
{
fseek(fp,a,0);
fprintf(fp,"%-10s%-8s%-5s%-5s%-10s%-8s%-8s%-15s%-15s\n" "","","","","","","","","");
}
}
else
printf("\n对不起,查无此人。");
fclose(fp);      
               
}
搜索更多相关主题的帖子: position include search record 
2013-06-24 11:16
fengshan。
Rank: 2
等 级:论坛游民
帖 子:7
专家分:16
注 册:2013-4-6
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得分:0 
删除函数有问题 我连删都删不掉 还有 排版真是烂

我不能忍受烂的排版!!绝壁不能忍!!
2013-06-30 16:30
快速回复:C++职工信息系统程序出现了一个错误,求解
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