staff/staff.tjxt.cpp

#include"stdio.h"
#include"string.h"
#include"windows.h"
struct Staff
{
       char gh[50];
       char name[50];
       int workload;
       bool operator< (const Staff& a)const{
	   return workload<a.workload;}
      
        
};      void menu();
        void staff_add();
	    void display();
	    void order();
	    void qh();
int main()
{	   
	int n,f;
	while(1)
	{
		do{        
			menu();
			printf("请输入你需要操作的序号(1—5):\n"); 
			scanf("%d",&n);   
			if(n>=1&&n<=5)        
			{
				f=1;      
				break; 
			} 
			else
			{ 
				f=0;
				printf("您输入有误，请重新选择!");
			}
		}
		while(f==0);     
		switch(n)  
		{ 
		case 1:printf("               职工基本信息\n");
			printf("\n");system("cls");
		    staff_add();
			break;       
		case 2:printf("               浏览职工信息\n");
			printf("\n");system("cls");
			display();
			break;  
		case 3:printf("               按工作量排序\n");
			printf("\n");
			system("cls");
			order();
			break; 
		case 4:printf("                工作量求和 \n");
			printf("\n");
			system("cls");
		    qh();
			break;
		case 5:goto loop;     
		default :break;
		}
	} 
loop:
	system("cls"); 
	printf("\n\n\n\n\n\n----------谢谢使用！---------\n\n\n\n\n\n");
} 
void menu()
{
printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
printf("+                职工工作量统计系统                      +\n");
printf("+                                                        +\n");
printf("+                1. 职工基本信息输入                     +\n");
printf("+                                                        +\n");
printf("+                2. 浏览所有职工信息                     +\n");
printf("+                                                        +\n");
printf("+                3. 按工作量排序                         +\n");
printf("+                                                        +\n");
printf("+                4. 工作量求和                           +\n");
printf("+                                                        +\n");
printf("+                5. 结束程序                             +\n");
printf("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
}
void staff_add()
{Staff Sta;
FILE *fp;
  int flag=1;
 fp=fopen("staff.txt","a+"); 
if(fp==NULL)
{printf("打开文件失败");
}
else
{
  while(flag==1)
  {
   printf("请输入职工工号:");
   scanf("%s",Sta.gh);
   printf("请输入职工姓名:");
   scanf("%s",Sta.name);
   printf("请输入工作量:");
   scanf("%d",&Sta.workload);
     fprintf(fp,"\n");
    fprintf(fp,"%s    %s    %d",Sta.gh,Sta.name,Sta.workload); 
   printf("添加成功!\n"); 
   printf(" 按1继续添加信息，按0返回主菜单:");
   scanf("%d",&flag);
  }
}

fclose(fp);
}
void display()
{
  	FILE *fp;
  char ch;
  fp=fopen("staff.txt","r");
  if(fp==NULL)
  printf("can not open!\n");
  else
  {
  fscanf(fp,"%c",&ch);
  while(!feof(fp))
  {
  putchar(ch);
  fscanf(fp,"%c",&ch);
  }
  fclose(fp);
  }
  printf("\n");
  }
void order()
{
  FILE*fp;
  int a=0,i,j,q,p;
  Staff workload1[50];
  char t[50];
  char u[50];
  fp=fopen("staff.txt","a+");
  if(fp==NULL)
  printf("can not open!\n");
  else
  {
  while(!feof(fp))
  {
  	fscanf(fp,"%s %s %d",workload1[a].gh,workload1[a].name,&workload1[a].workload);
  	a++;
  }
  for(i=0;i<a;i++)
  {
  	for(j=i+1;j<a;j++)
  	{
  		if(workload1[i]<workload1[j])
  		{
		p=workload1[i].workload;
  		workload1[i].workload=workload1[j].workload;
  		workload1[j].workload=p;
  		strcpy(t,workload1[i].name);
  		strcpy(workload1[i].name,workload1[j].name);
  		strcpy(workload1[j].name,t);
  		strcpy(u,workload1[i].gh);
  		strcpy(workload1[i].gh,workload1[j].gh);
  		strcpy(workload1[j].gh,u);
  	    }
	  }
  }
  for(q=0;q<a;q++)
  {
  	printf("%s        %s        %d\n",workload1[q].gh,workload1[q].name,workload1[q].workload);
  }
  }
  fclose(fp);
}
void qh()
{
	FILE*fp;
	Staff workload1[50];
	int a=0,i,sum=0;
	fp=fopen("staff.txt","a+");
  if(fp==NULL)
  printf("can not open!\n");
  else
  {
   while(!feof(fp))
   {
   	fscanf(fp,"%s%s%d",workload1[a].gh,workload1[a].name,&workload1[a].workload);
   	a++;
}	
for(i=0;i<a;i++)
{
sum=sum+workload1[i].workload;	
}
printf("工作总量为：\n%d",sum);
  }
  fclose(fp);
	}