Question

哪位大神能帮我用c语言写个程序，是职工工资管理系统的，要求如下：

将10名职工的数据（职工号、职工名、性别、年龄、工资）从键盘输入，然后送到磁
盘文件worker1.dat中保存起来。
（1） 从磁盘文件中读出这些数据，依次打印出来。
（2） 对职工数据按工资高低排序，将排好序的各记录存放在文件worker2.dat中。
（3） 将职工号为单数和偶数的职工信息分别存放另两个磁盘文件worker3.dat和worker4.dat中，并从这两个文件中读出职工信息在显示器上显示出来。

Answer 1

分数太低了。这个不好做啊。

#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <conio.h>
#define N 2
typedef struct Workers
{
int id;
char name[9];
char sex;  
int age;
int sal;
struct Workers *next;
}  worker;
worker *head;
int odd=0,even=0;
void initList()
{
    head=(worker *)malloc(sizeof(worker));
    head->next=NULL;
}
void getMsg()
{
    int i;
    worker *newD,*p=head;
    while(p->next)
    {
        p=p->next;
    }
    for(i=0;i<N;i++)
    {
        newD=(worker *)malloc(sizeof(worker));
        newD->next=NULL;
        printf("please enter date\nid  name   sex   age  salary \n");
        scanf("%d %s %c %d %d",&newD->id,newD->name,&newD->sex,&newD->age,&newD->sal);
        p->next=newD;
        p=p->next;
    }
}
void saveData()
{
    FILE *fpwd,*fpwo;
    worker *p=head;
    FILE *fp=fopen("output.txt","wb+");
    fpwd=fopen("worker3.txt","wb+");
    fpwo=fopen("worker4.txt","wb+");
    odd=even=0;
    while(p->next)
    {
        p=p->next;
        fwrite(p,sizeof(worker),1,fp);
        if(p->id%2==0){
            even++;
            fwrite(p,sizeof(worker),1,fpwo);}
        else{
            even++;
            fwrite(p,sizeof(worker),1,fpwd);}
    }
    fclose(fp);
    fclose(fpwd);
    fclose(fpwo);
}
void readData()
{
    FILE *fp;int i;
    worker *p,*newD;
    p=head;
    fp=fopen("output.txt","rb+");
                                                                                               
    while(p->next)
    {
        p=p->next;
    }
    for(i=0;i<N;i++)
    {
        newD=(worker *)malloc(sizeof(worker));
        newD->next=NULL;
        fread(newD,sizeof(worker),1,fp);
        p->next=newD;
        p=p->next;
    }
    fclose(fp);
}
void showodd()
{  
    FILE *fp;int i;
    fp=fopen("worker3.txt","rb+");
        printf("以下为奇数\n");
    while(!feof(fp))
    {
        worker date;
        fread(&date,sizeof(worker),1,fp);
        printf("%d %s %c %d %d\n",date.id,date.name,date.sex,date.age,date.sal);
    }
    fclose(fp);
}
void showeven()
{
    FILE *fp;int i;
    fp=fopen("worker4.txt","rb+");
        printf("以下为偶数\n");
    while(!feof(fp))
    {  
        worker date;
        fread(&date,sizeof(worker),1,fp);
        printf("%d %s %c %d %d\n",date.id,date.name,date.sex,date.age,date.sal);
    }
    fclose(fp);
}
void main()
{
    while(1){
    worker *p;
    char ch;
    initList();
    p=head;
    printf("\nplease select 1,2,others \n");
    ch=getch();
    if(ch=='1')  
    {
    getMsg();
    saveData();
    }
    else if(ch=='2')  
    {
        readData();
        while(p->next)
        {  
        p=p->next;
        printf("%d %s %c %d %d\n",p->id,p->name,p->sex,p->age,p->sal);
        }
    }
    else
    {
                                                                                                
        printf("are u need to show odd and even \n");
        ch=getch();
        if(ch=='1')
        {
            showodd();
            showeven();
        }
                                                                                               
                                                                                               
    }              
                                                                                           
                                                                                           
    }
}