急求一个200行的 c语言程序设计 谢谢

2025-02-08 12:46:13
推荐回答(1个)
回答1:

不明白你这目的是什么?给你一个设备器材管理系统玩玩吧
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
struct shebei{
char ID[10];
char name[15];
char kind[15];
char over[15];
char yesno[10];
char time[10];
char price[10];
};
typedef struct node
{
struct shebei data;
struct node *next; //建立一个链表。
}Node;
void Add(Node *equip) //添加记录,equip
{
Node *p,*r,*s;
char id[10]; //先用于输入ID,也用于判断是否跳出循环
r=equip;
s=equip->next; //使s为第一个有用的结点
while(r->next!=NULL) //这个循环的作用是使r为最后一个有用的结点
r=r->next; //将指针置于最末尾
while(1)
{
printf(">>>>>>>>>>提示:输入0则返回主菜单!\n");
printf("\n请你输入设备ID号:");
scanf("%s",id);
if(strcmp(id,"0")==0) break;
p=(Node *)malloc(sizeof(Node)); //申请空间
strcpy(p->data.ID,id);
printf("\n请输入设备名称:");
scanf("%s",p->data.name);
printf("\n请输入设备种类:");
scanf("%s",p->data.kind);
printf("\n请输入报废日期:");
scanf("%s",&p->data.over);
printf("\n请输入设备是否报废:");
scanf("%s",&p->data.yesno);
printf("\n请输入设备购买时间:");
scanf("%s",&p->data.time);
printf("\n请输入设备价格:");
scanf("%s",&p->data.price);
printf(">>>>>>>>>>提示:已经完成一条记录的添加。\n");
p->next=NULL;
r->next=p; //这一步是必需的,将p与先前的链表连起来构成一条新链表
r=p; //也是必需的.将r 又重设为新链的最后一个有用结点
}
}
void Modify(Node *equip)//修改
{
Node *p;
char find[20];
if(!equip->next)
{
printf("\n>>>>>>>>>>提示:没有资料可以修改!\n");
return;
}
printf("请输入要修改的设备ID号:");
scanf("%s",find);
p=equip->next;
while(p!=NULL)
{
if(strcmp(p->data.ID,find)==0) //如果找到的话返回的是符合要求
break;
p=p->next;
}
if(p) //若找到
{
int x;
while(1)
{
printf("完成修改请输入0否则输入任意数再进行修改:");
scanf("%d",&x);
if(x==0)
{break;}
printf("请输入新设备号(原来是 %s ):",p->data.ID);
scanf("%s",p->data.ID);
printf("请输入新设备名称(原来是 %s ):",p->data.name);
scanf("%s",p->data.name);
printf("请输入新设备设备种类名称(原来是 %s ):",p->data.kind);
scanf("%s",p->data.kind);
printf("请输入新设备报废日期名称(原来是 %s ):",p->data.over);
scanf("%s",p->data.over);
printf("请输入新设备是否报废(原来是 %s ):",p->data.yesno);
scanf("%s",p->data.yesno);
printf("请输入新设备购买时间(原来是 %s ):",p->data.kind);
scanf("%s",p->data.time);
printf("请输入新设备价格(原来是 %s ):",p->data.price);
scanf("%s",p->data.price);
printf("\n>>>>>>>>>>提示:该项记录资料已经成功修改!\n");
}
}
else printf("\n>>>>>>>>>>提示:你要修改的信息不存在!\n");
}
void Disp(Node *equip)//输出记录
{
Node *p;
p=equip->next;
if(!p)
{
printf("\n>>>>>>>>>>提示:没有记录可以显示!\n");
return;
}
printf("\t\t\t\t显示结果\n");
printf("设备号 设备名称 设备种类 报废日期 是否报废 购买时间 价格\n");
while(p)
{
printf("\n%-13s%-11s%-7s%-10s%-13s%-10s%-5s\n",p->data.ID,p->data.name,p->data.kind,p->data.over,p->data.yesno,p->data.time,p->data.price);
p=p->next;
}
}
void Tongji(Node *equip)//统计
{
Node *p;
int sel;int flag2=0,ha=0;
p=equip->next;
char find[20];
if(!equip->next) //若链表为空
{
printf("\n>>>>>>>>>>提示:没有资料可以统计分类!\n");
return;
}
printf(">>>>>>>>>>提示:\n=====>0退出\n=====>1按设备号统计\n=====>2按设备名称统计\n");
scanf("%d",&sel);
if(sel==1)
{
printf("\n输入你要统计分类的设备号:");
scanf("%s",find);
while(p)
{
if(strcmp(p->data.ID,find)==0)
{
flag2++;
}
if(flag2==1&&ha!=flag2)
{ printf("设备号 设备名称 设备种类 报废日期 是否报废 购买时间 价格\n");
printf("\n%-13s%-11s%-7s%-10s%-13s%-10s%-5s\n",p->data.ID,p->data.name,p->data.kind,p->data.over,p->data.yesno,p->data.time,p->data.price);
ha=flag2;
}
else if(flag2>ha){printf("\n%-13s%-11s%-7s%-10s%-13s%-10s%-5s\n",p->data.ID,p->data.name,p->data.kind,p->data.over,p->data.yesno,p->data.time,p->data.price);ha=flag2;}
p=p->next;
}
if(flag2)
{
printf("\n*************************按设备号%s统计分类的有%d条记录:*************************\n\n",find,flag2);
}
else {printf("\n按设备号%s统计的结果为0个\n\n",find);}
}
else if(sel==2)
{
printf("\n输入你要统计分类的设备名称:");
scanf("%s",find);
while(p)
{
if(strcmp(p->data.name,find)==0)
{
flag2++;
}
if(flag2==1&&ha!=flag2)
{ printf("设备号 设备名称 设备种类 报废日期 是否报废 购买时间 价格\n");
printf("\n%-13s%-11s%-7s%-10s%-13s%-10s%-5s\n",p->data.ID,p->data.name,p->data.kind,p->data.over,p->data.yesno,p->data.time,p->data.price);
ha=flag2;
}
else if(flag2>ha){printf("\n%-13s%-11s%-7s%-10s%-13s%-10s%-5s\n",p->data.ID,p->data.name,p->data.kind,p->data.over,p->data.yesno,p->data.time,p->data.price);ha=flag2;}
p=p->next;
}
if(flag2)
{
printf("\n******************按设备名称%s统计的有%d条记录:********************\n\n",find,flag2);
}
else {printf("\n按设备名称%s统计分类的结果为0个\n\n",find);}
}
else if(sel==0) return;
}
void main()
{
Node *equip;
FILE *fp;
int flag;
Node *p,*q;
printf("\t\t\t\t设备管理系统\n");
equip=(Node*)malloc(sizeof(Node));
equip->next=NULL;
p=equip;
fp=fopen("设备管理系统","wb+");
q=(Node*)malloc(sizeof(Node));
if(fread(q,sizeof(Node),1,fp)) //将文件的内容放入接点中
{
q->next=NULL;
p->next=q;
p=q; //将该接点挂入链表中
}
fclose(fp); //关闭文件
while(1)
{
printf("**************************************目录**************************************");
printf("\n1添加记录\n");
printf("\n2修改记录\n");
printf("\n3显示记录\n");
printf("\n4统计分类记录\n");
printf("\n0退出\n");
printf("\n请输入你要操作的序号:");
scanf("%d",&flag);
switch(flag)
{
case 0: printf("\n>>>>>>>>>>提示:已经退出系统,ByeBye!\n");break;-------case与switch组合使用,用于判断switch的值
case 1: Add(equip); break; //增加记录 ---------如果flag值为1,就进行添加操作,此时会调用Add(equip)方法
case 2: Modify(equip); break;//修改记录
case 3: Disp(equip); break;//显示记录信息
case 4: Tongji(equip); break;//统计记录
default: printf("\n>>>>>>>>>>提示:输入错误!\n"); break;
}
}
}

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