register.c

综合运用C的基本功能实现的小软件

#include<stdio.h>
#include<string.h>
#include<malloc.h>
#include<stdlib.h>
#include<conio.h>

#include"Register.h"
	

linklist * Initialize(void)
{

	int n=0;
	int nnum_of_goods;
	int nprise;
	char ntype[LENGTH];
	char ch1,ch2;
	linklist *temp=NULL;
	linklist *p=NULL;
	p=Creat();
    
	ch1='n';
	while(tolower(ch1)=='n')
	{
		printf("请输入产品型号: \n");
        scanf("%s",ntype);
	    printf("请输入这批货的价位: \n");
	    scanf("%d",&nprise); 
		printf("请输入这批货的数量: \n");
	    scanf("%d",&nnum_of_goods);
		printf("请确认你的输入[y/n]: ");
		ch1=getch();
		if(tolower(ch1)=='y')
			break;
		
	}

	
    while(strcmp(ntype,"end")!=0)
	{
	    
		temp=(linklist *)malloc(sizeof(linklist));
          strcpy(temp->product_type,ntype);
		  temp->num_of_goods=nnum_of_goods;
	      temp->prise=nprise;
		
		Insert(p,temp);
        
		printf("\n 您已经成功登记了该产品 ! \n");
		
		ch2='n';
    	while(tolower(ch2)=='n')
		{
		    printf("请输入产品型号: \n");
            scanf("%s",ntype);
	        printf("请输入这批货的价位: \n");
	        scanf("%d",&nprise);
			printf("请输入这批货的数量: \n");
	        scanf("%d",&nnum_of_goods);
	    	printf("请确认你的输入[y/n]: ");
		    ch2=getch();
	    	if(tolower(ch2)=='y')
			   break;
		
		}
	}
	return p;
		
}




void Outprint(linklist* head)
{
    linklist *p=head;
	Print(p);
}

void PriseSearch(linklist *head)
{

	linklist *p=NULL;
	char ntype[LENGTH];

	printf("请输入待查询产品型号: \n");
    scanf("%s",ntype);

	p=Search(head,ntype);
    
	if(!p);
	else
	{
	   printf("%s",p->product_type);
	   printf("的价格是: ");
	   printf("%4d",p->prise);
	}
}

void Addgoods(linklist* head)
{

	linklist *obj;
	
	int num;
	char ch;
	char ntype[LENGTH];
	
	printf("请输入产品型号: \n");
    scanf("%s",ntype);
	printf("请输入产品数量: \n");
	scanf("%d",&num);
	
	printf("请确认以上输入[y/Y]:");
	ch=getch();
	if(tolower(ch)=='y')
	{
	obj=Search(head,ntype);
	if(!obj)printf("\n 操作失败!  \n");
	else
	{
		obj->num_of_goods+=num;
		printf("\n 修改成功! \n");
	}
    }
	else
		printf("\n 添加错误,请重新添加! \n");
}

void Delgoods(linklist* head)
{

	linklist *obj;
	
	int num;
	char ch;
	char ntype[LENGTH];
    
	printf("请输入产品型号: \n");
    scanf("%s",ntype);
	printf("请输入产品数量: \n");
	scanf("%d",&num);
	
	printf("请确认以上输入[y/Y]:");
	ch=getch();
	if(tolower(ch)=='y')
	{
		obj=Search(head,ntype);
	if(!obj)printf("操作失败!  \n");
	else
	{
		obj->num_of_goods-=num;
        printf("\n 修改成功! \n");
	}
	}
	else
   	    printf("\n 输入错误,请重新删除! \n");

}

void Addnewgoods(linklist *head)
{

	char ntype[LENGTH];
	char ch;
	int nnum_of_goods;
	int nprise;
	linklist *temp=NULL;
	linklist *p=NULL;
	
    	
	ch='n';
    while(tolower(ch)=='n')
	{
		 printf("请输入产品型号: \n");
         scanf("%s",ntype);
	     printf("请输入这批货的价位: \n");
	     scanf("%d",&nprise);
		 printf("请输入这批货的数量: \n");
	     scanf("%d",&nnum_of_goods);
	     printf("请确认你的输入[y/n]: ");
		 ch=getch();
	     
		 if(tolower(ch)=='y')
			   break;
		
	}

    temp=(linklist *)malloc(sizeof(linklist));
          strcpy(temp->product_type,ntype);
		  temp->num_of_goods=nnum_of_goods;
	      temp->prise=nprise;
	
	p=head;

	Insert(p,temp);

	printf("\n 添加成功! \n");

}

void Deloriginalgoods(linklist * head)
{

	char ntype[LENGTH];
	linklist *p=NULL;

	printf("请输入要删除的货款的品名: \n");
	scanf("%s",ntype);
    
	p=Search(head,ntype);

	Delete(head, p);
    
	printf("删除成功! \n");
}

int Totalgoods(linklist* head)
{

	linklist *q=NULL;
	int total=0;
	q=head->next;
    
	printf("\n 现存货物: \n");
	
	while(q!=NULL)
	{
	    
		printf("%s,%4d    ",q->product_type ,q->num_of_goods);
		total+=q->num_of_goods;
		q=q->next;

	}
	return total;

}


int Totalcosts(linklist* head)
{

	linklist *q=NULL;
	long int sum=0;
	q=head->next;
	
	printf("\n 现存货物: \n");
	
	while(q!=NULL)
	{
	    
		printf("%s,%8d    ",q->product_type,q->prise);
		sum+=q->num_of_goods*q->prise;
		q=q->next;

	}
	return sum;

}