/*课设。客户消费积分管理系统的设计与实现
问题描绘：
针对客户的消费情况，停止客户管理，根据客户的消费积分对客户实行不同水平的打折优惠。
根本要求：
⑴采用一定的存储构造停止客户信息的存储；
⑵对客户的信息可以停止修改、删除、添加；
⑶可以根据消费情况停止客户积分的累加；
⑷根据积分情况，对客户实行不同水平的打折优惠；
*/
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<string.h>
#define OK 1
#define ERROR 0
#define NAME_INIT_MAXSIZE 20
#define CREDITS_INIT 100
#define LINK_MAXSIZE 1000
typedef int Status;
int NUM=1;
//顾客信息
typedef struct
{
int num;
int age,number;
int credits;
double discount;
char name[NAME_INIT_MAXSIZE];
}ElemType;
//链表存储
typedef struct LNode
{
ElemType information;
LNode *next;
}LNode,*LinkList;
Status AddInformation(LinkList &L,char Name[],int Age);
Status Init(LinkList &L);
Status Calculate_discount(LinkList &L);
//链表长度
int LinkLength(LinkList L)
{
int l=0;
while(L->next!=NULL)
{
l++;
L=L->next;
}
return l;
}
//初始化
Status InitList(LinkList &L)
{
L=(LinkList)malloc(sizeof(LNode));
L->next=NULL;
L->information.credits=0;
return OK;
}
//插入到第n个结点后面
Status InsertNode(LinkList &L,int n,ElemType e)
{
if(n>LinkLength(L))
{
printf("Insert Error!\n");
return ERROR;
}
LinkList p =L;
int i=0;
while(p->next!=NULL && i<n)
{
i++;
p=p->next;
}
LinkList s=(LinkList)malloc(sizeof(LNode));
e.num=NUM++;
s->information=e;
s->next=p->next;
p->next=s;
return OK;
}
//追加
Status SupperaddNode(LinkList &L,ElemType e)
{
LinkList p=L,s=(LinkList)malloc(sizeof(LNode));
while(p->next!=NULL) p=p->next;
e.num=NUM++;
s->information=e;
s->next=NULL;
p->next=s;
return OK;
}
//输出一个
Status PrintSingle(ElemType e)
{
printf("序号:%2d\tName:%s\tAge:%d\t积分:%d\t编号:%.5d\t折扣:%.2f\n",e.num,e.name,e.age,e.credits,e.number,e.discount);
return OK;
}
//删除
Status DeleteNode(LinkList &L,int n,ElemType &e)
{
if(n>LinkLength(L))
{
printf("Delete Error!\n");
return ERROR;
}
LinkList p=L;
int i=1;
while(p->next!=NULL && i!=n)
{
i++;
p=p->next;
}
LinkList s=p->next;
PrintSingle(s->information);
p->next=s->next;
free(s);
return OK;
}
//添加初始用户
Status AddInformation(LinkList &L,char Name[],int Age)
{
ElemType e;
strcpy(e.name,Name);
e.age=Age;
e.credits=CREDITS_INIT;
e.number=rand()%100000;
e.discount=1.0;
SupperaddNode(L,e);
return 0;
}
//输出所有
Status PrintAll(LinkList L)
{
printf("所有客户信息.\n");
printf("_____________________________________________________\n");
int i=0;
while(L->next!=NULL)
{
i++;
L=L->next;
PrintSingle(L->information);
}
printf("_____________________ 共有%d名客户 __________________\n",i);
return OK;
}
//查找_Name
Status FindNode_name(LinkList L)
{
printf("Input Name:");
char Name[NAME_INIT_MAXSIZE];
gets(Name);
bool flag=0;
while(L->next!=NULL)
{
L=L->next;
if(strcmp(L->information.name,Name)==0)
{
flag=1;
PrintSingle(L->information);
}
}
if(!flag) printf("Not Find!\n");
return OK;
}
//查找_number
Status FindNode_number(LinkList L)
{
printf("Input Number:");
int Num;
bool flag=0;
scanf("%d",&Num);
while(L->next!=NULL)
{
L=L->next;
if(Num == L->information.number)
{
flag=1;
PrintSingle(L->information);
}
}
if(!flag) printf("Not Find!\n");
return OK;
}
//查找_age
Status FindNode_age(LinkList L)
{
printf("Input Age:");
int Age;
bool flag=0;
scanf("%d",&Age);
while(L->next!=NULL)
{
L=L->next;
if(L->information.age==Age)
{
PrintSingle(L->information);
flag=1;
}
}
if(!flag) printf("Not Find!\n");
return OK;
}
//查找_credits
Status FindNode_credits(LinkList L)
{
printf("Input Credits:");
int Credits;
scanf("%d",&Credits);
bool flag=0;
while(L->next!=NULL)
{
L=L->next;
if(Credits == L->information.credits)
{
flag=1;
PrintSingle(L->information);
}
}
if(!flag) printf("Not Find!\n");
return OK;
}
//模仿_购物 积分=购物价格*2
Status Shopping(LinkList &Ll)
{
int length=LinkLength(Ll),range=100,i=0;
LinkList L=Ll;
printf("\t\t**** 共有%d名顾客消费 ****\n",length);
printf("此次最大消费额度为:");
scanf("%d",&range);
printf("此次购物额为:\n\n");
printf("\t理论购物\t折扣后价钱\t折扣\n");
while(L->next!=NULL && i++<=length)
{
L=L->next;
double sum=rand()%range;
double price=(1-L->information.discount)*sum;
printf("%d.\t%8.2f 元\t%8.2f 元\t%2.2f\n",i,sum,price,L->information.discount);
L->information.credits+=(int) price*2;
}
printf("\n购物完毕 !\n重新计算折扣...\n");
Calculate_discount(Ll);
return OK;
}
/*计算折扣
(0) 100-200 1%
(1) 200-500 2%
(2) 500-1000 6%
(3) 100-2000 9%
(4) 2000-5000 12%
(5) 5000-9000 15%
(6) 9000-36000 18%
(7) >36000 24%
*/
Status Calculate_discount(LinkList &L)
{
LinkList p=L;
while(p->next!=NULL)
{
p=p->next;
int cd=p->information.credits;
if(100<=cd && cd<200) p->information.discount=0.01;
else if(200<=cd && cd<500) p->information.discount=0.02;
else if(cd<1000) p->information.discount=0.06;
else if(cd<2000) p->information.discount=0.09;
else if(cd<4000) p->information.discount=0.12;
else if(cd<6000) p->information.discount=0.15;
else if(cd<360000) p->information.discount=0.18;
else p->information.discount=0.24;
}
return OK;
}
//查找菜单
int Find_menu()
{
printf("\t 查找 \n");
printf("\t___________________________\n");
printf("\t 1.按姓名查找 \n");
printf("\t___________________________\n");
printf("\t 2.按年龄查找 \n");
printf("\t___________________________\n");
printf("\t 3.按编号查找 \n");
printf("\t___________________________\n");
printf("\t 4.按积分数查找 \n");
printf("\t___________________________\n");
printf("\t 5.返回 \n");
printf("\t___________________________\n");
printf("--------请选择:");
char c[5];
scanf("%s",c);
getchar();
return atoi(c);
}
//查找
Status Find(LinkList L)
{
switch(Find_menu())
{
case 1:FindNode_name(L);break;
case 2:FindNode_age(L);break;
case 3:FindNode_number(L);break;
case 4:FindNode_credits(L);break;
case 5:break;
default:printf("Input Error!\n");break;
}
return OK;
}
//添加菜单
int Add_menu()
{
printf("\t\t_______ 添加 _______\n\n");
printf("\t\t 1.往后追加. \n\n");
printf("\t\t 2.直接插入. \n\n");
printf("\t\t 3.返回. \n\n");
printf("\t\t____________________\n");
printf("------请输入:");
char s[5];
scanf("%s",s);
getchar();
return atoi(s);
}
//添加
Status Add(LinkList &L)
{
int select=Add_menu();
if(select==3) return OK;
if(select!=1 && select!=2)
{
printf("输入错误!\n");
return ERROR;
}
ElemType e;
char Name[NAME_INIT_MAXSIZE];
int Age;
//姓名
printf("Input Name:");
gets(Name);
// getchar();
//年龄
printf("Input Age:");
scanf("%d",&Age);
//存入
strcpy(e.name,Name);
e.age=Age;
e.credits=CREDITS_INIT;
e.number=rand()%1000000;
//插入或追加
if(select==1) SupperaddNode(L,e);
else if(select==2)
{
int p;
printf("请输入你想插入的位置:");
scanf("%d",&p);
InsertNode(L,p,e);
}
Calculate_discount(L);
printf("添加胜利!\n");
return OK;
}
//修改客户信息
Status AlterInformation(LinkList &L)
{
printf("请输入客户编号:");
int num;
bool flag=0;
LinkList p=L;
scanf("%d",&num);
getchar();
while(p->next!=NULL)
{
p=p->next;
if(p->information.number == num)
{
flag=1;
break;
}
}
if(!flag) printf("Not Find!\n");
else
{
PrintSingle(p->information);
char Name[NAME_INIT_MAXSIZE];
int Age;
printf("Name:");
gets(Name);
printf("Age:");
scanf("%d",&Age);
getchar();
num=rand()%1000000;
printf("随机生成编号为:%.6d\n",num);
char c;
printf("是否确认 y/n :");
scanf("%c",&c);
if(c!='y' && c!='Y')
{
printf("操作失败!\n");
return ERROR;
}
p->information.age=Age;
strcpy(p->information.name,Name);
p->information.number=num;
printf("操作胜利!\n");
return OK;
}
return OK;
}
//删除
Status Delete(LinkList &L)
{
int num;
ElemType e;
printf("请输入要删除的序号:");
scanf("%d",&num);
LinkList p =L;
DeleteNode(L,num,e);
printf("已删除!\n");
return OK;
}
//主菜单
int Main_menu()
{
printf("\n\t\t\t 主菜单 \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 1.模仿消费 \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 2.显示所有客户信息. \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 3.查找客户. \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 4.添加客户. \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 5.修改客户信息. \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 6.删除客户记录. \n");
printf("\t\t\t_____________________________\n");
printf("\t\t\t 7.退出. \n");
printf("\t\t\t_____________________________\n");
printf("--------请选择:");
char chio[4];
scanf("%s",chio);
return atoi(chio);
}
//主函数
int main()
{
LinkList L;
Init(L);
while(true)
{
switch(Main_menu())
{
case 1:Shopping(L);break;
case 2:PrintAll(L);break;
case 3:Find(L);break;
case 4:Add(L);break;
case 5:AlterInformation(L);break;
case 6:Delete(L);break;
case 7:printf("谢谢使用,再见!\n");return 0;
default:printf("Error!\n");
}
system("pause");
}
return 0;
}
//
Status Init(LinkList &L)
{
printf("\t\t******** 欢送来到客户消费积分管理系统 ********\n");
srand(time(0));
InitList(L);
AddInformation(L,"Elen",19);
AddInformation(L,"Amy",21);
AddInformation(L,"Sunny",19);
AddInformation(L,"Jeniffer",20);
AddInformation(L,"章鱼",6);
AddInformation(L,"光头强",12);
AddInformation(L,"鞋类",99);
Calculate_discount(L);
// PrintAll(L);
return OK;
} |
