c语言职工工资管理系统设计.doc

题目3：职工工资管理系统设计
功能：实现简单的职工工资信息管理，职工工资的基本信息包括编号、姓名、基本工资、奖金、工资总额等
基本要求：
1设计简单的菜单，能够进行系统功能选择。
2实现信息的录入功能。
3在已有信息的基础上添加新的记录。
4删除指定编号的记录。
5修改指定编号的记录
6实现信息的浏览功能
7按编号查询功能
8按工资总额排序功能

#include "stdio.h"
#include "stdlib.h"
#include "ctype.h"
#include "process.h"
struct gongzi                                                             /*定义数组*/
{
    int bianhao;
    char xingming[10];
    int jbgz;/*基本工资*/
    int jiangjin;
    int tatal;
    struct gongzi *next;
};
void print()    /*菜单*/
{
    printf("welcom!\n");
    printf("1.创建新信息\n");
    printf("2.删除原信息\n");
    printf("3.修改原信息\n");
    printf("4.按编号查找\n");
    printf("5.工资总额排序\n");
}
struct gongzi * creat(struct gongzi*head)                              /*case1创建工资，降序排列*/
{
    struct gongzi *p1, *p2, *p3; /*p1新增点，p2，p3切点*/        
    p1 =p2 =p3 =(struct gongzi * )malloc(sizeof(struct gongzi) );
 printf("创建新信息\n输入编号，姓名，基本工资，奖金\n");
    printf("输入编号");
 scanf("%d",&p1->bianhao);
    printf("输入姓名");
 scanf("%s",&p1->xingming);
    printf("输入基本工资");
 scanf("%d",&p1->jbgz);
 printf("输入奖金");
 scanf("%d",&p1->jiangjin);
    p1->tatal =p1->jbgz + p1->jiangjin;
    p1->next =NULL;
    if(head == NULL)
    {
        head =p1;
    }
    else
    {   
        p2 =head;
        while((p2->tatal < p1->tatal) && (p2->next !=NULL))
        {
            p3 =p2;
            p2 =p2->next;
        }
  if(p1->tatal < p2->tatal)
  {
   if(head == p1)
   {
    head =p1;
   }
   else
   {
    p3->next =p1;
   }
   p1->next =p2;
  }
        else
  {
   p2->next =p1;
   p1->next =NULL;
  }

    }
 return head;
}
struct gongzi * del(struct gongzi*head)                                         /*case2删除原信息*/
{
 int bianhao;
 struct gongzi *p1, *p2;
 printf("输入要删除的编号");
 if(head == NULL)
 {
  printf("\nlist is null");
  goto end;
 }
 p1=head;
 scanf("%d",&bianhao);
 while((bianhao != p1->bianhao) && (p1->next != NULL))
 {
  p2 =p1;
  p1 =p1->next;
 }
 if(bianhao ==p1->bianhao)
 {
  if(p1 == head)
  {
   head =p1->next;
  }
  else
  {
   p2->next =p1->next;
  }
  printf("%d has been deleted.\n",bianhao);
 }
 else
 {
  printf("%d not been found!\n",bianhao);
 }
end:
 return(head);
}

struct gongzi * change(struct gongzi*head)                                             /*case 3修改原信息*/
{
 int bianhao;
 struct gongzi *p1, *p2;
 printf("输入要修改的编号");
 if(head == NULL)
 {
  printf("\nlist is null");
  goto end;
 }
 p1=head;
 scanf("%d",&bianhao);
 while((bianhao != p1->bianhao) && (p1->next != NULL))
 {
  p2 =p1;
  p1 =p1->next;
 }
 if(bianhao ==p1->bianhao)
 {
  printf("输入编号");
  scanf("%d",&p1->bianhao);
  printf("输入姓名");
  scanf("%s",&p1->xingming);
  printf("输入基本工资");
  scanf("%d",&p1->jbgz);
  printf("输入奖金");
  scanf("%d",&p1->jiangjin);
  p1->tatal =p1->jbgz + p1->jiangjin;
  p1->next =NULL;
  printf("%d has been change.\n",bianhao);
 }
 else
 {
  printf("%d not been found!\n",bianhao);
 }
end:
 return(head);
}
struct gongzi * search(struct gongzi*head)                                         /*case4按编号查找*/
{
 int bianhao;
 struct gongzi *p1, *p2;
 printf("输入要查找的编号");
 if(head == NULL)
 {
  printf("\nlist is null");
  goto end;
 }
 p1=head
 scanf("%d",&bianhao);
 while((bianhao != p1->bianhao) && (p1->next != NULL))
 {
  p2 =p1;
  p1 =p1->next;
 }
 if(bianhao ==p1->bianhao)
 {
  printf("%5d%10s%5d%5d%5d\n",p1->bianhao, p1->xingming,p1->jbgz, p1->jiangjin, p1->tatal);
 }
 else
 {
  printf("%d not been found!\n",bianhao);
 }
end:
 return(head);
}

void list(struct gongzi*head)                                                        /*case5输出*/
{
 struct gongzi*p1;
 p1 =head;
 printf("编号、姓名、基本工资、奖金、工资总额\n");

 if(head == NULL)
 {
  printf("\nlist is null\n");
 }
 while(p1 != NULL)
 {
  printf("%5d%10s%5d%5d%5d\n",p1->bianhao, p1->xingming,p1->jbgz, p1->jiangjin, p1->tatal);
  p1 =p1->next;
 }
}

main()
{
    int caidan, ch;
 struct gongzi*p;
    struct gongzi*head =NULL;
loop:
 print();

    scanf("%d",&caidan);
    switch(caidan)
    {
    case 1:
        head =creat(head);
  getch();
        break;
 case 2:
  head =del(head);
  getch();
  break;
 case 3:
  head =change(head);
  getch();
  break;
 case 4:
  head =search(head);
  getch();
  break;

 case 5:
  list(head);
  getch();
  break;
    }
goto loop;
}