C语言设备管理系统
普通学长 人气:0一、任务概述
设备管理系统应包含各种设备的全部信息，每台设备为一条记录（同一时间统一部门购买的若干相同设备可作为1条记录），包括设备号，设备名称，领用人，所属部门，数量，购买时间，价格等。能够显示和统计各种设备的信息。
二、设计目的
建立一个文件，包含一个部门10太设备的信息，能对文件进行补充，修订，删除，能统计所有设备的总价值
三、功能展示
四、思维导图
五、程序源码
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#define COUNT 30
void start(); //函数声明
void input();
void save();
void change();
void sort();
void dele();
void output();
void search();
struct information{ //定义结构体
char devno[30]; //编号
int devsort; //所属部门
char devmaster[30]; // 领用人
char devname[30]; //设备名字
int devprice; //设备价格
char devbuydate[30]; //购买日期
int devstate; // 设备状态
char devdonenumber[30]; //设备数量
}dev[COUNT]; //结构体变量
int count=0;
FILE *fp; //文件指针
main() //主函数
{
while(1)
start();
}
void start() //启动菜单
{
int chi;
printf(" 设备管理系统\n");
printf(" ********************************************\n");
printf(" * 1.设备信息的录入: *\n");
printf(" * 2.设备信息的修改: *\n");
printf(" * 3.设备信息的分类统计: *\n");
printf(" * 4.删除某个设备: *\n");
printf(" * 5.查找某个设备: *\n");
printf(" * 6.退出系统: *\n");
printf(" ********************************************\n");
printf(" 》》*^_^*输入你的选择: ");
scanf("%d",&chi);
printf("\n");
if(chi==1) input();
else if(chi==2) change();
else if(chi==3) sort();
else if(chi==4) dele();
else if(chi==5) search();
else if(chi==6) { printf("谢谢使用，再见!*^_^*\n"); exit(0);}
else { printf(" You Enter The Choice Is Not valid ! \n"); }
}
void input() //数据录入
{
char flag[20];
do{
printf("*^_^*请输入你的设备信息:\n");
printf("设备编号:");
scanf("%s",dev[count].devno);
printf("所属部门(1，A部门 2，B部门 3，C部门):");
scanf("%d",&dev[count].devsort);
printf("领用人；");
scanf("%s",dev[count].devmaster);
printf("设备名字:");
scanf("%s",dev[count].devname);
printf("设备价格:");
scanf("%d",&dev[count].devprice);
printf("设备购买日期:");
scanf("%s",dev[count].devbuydate);
printf("设备状态(1未报废 0报废):");
scanf("%d",&dev[count].devstate);
printf("设备数量:");
scanf("%s",dev[count].devdonenumber);
count++;
printf("是否继续输入数据 y是 n否 : ");
scanf("%s",flag);
}while(strcmp(flag,"y")==0||strcmp(flag,"Y")==0);
output();
save();
}
void save() //数据保存
{
int i;
FILE *fp;
if((fp=fopen("shebei.txt","wb"))==NULL)
{
printf("cannot open file\n");
return;
}
for(i=0;i<2;i++)
if(fwrite(&dev[i],sizeof(struct information),1,fp)!=1)
printf("file write error\n");
fclose(fp);
printf("已保存设备信息到文件中*^_^*\n");
}
void change() //数据修改
{
char ch[20],a[20];
int i;
printf("\nyou sure want change devInfor y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0)
{ printf("\nenter you want change devName:");
scanf("%s",a);
for(i=0;i<count;i++)
{
if(strcmp(dev[i].devname,a)==0)
{ printf("\nyou sure want change dev name(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\nname:"); scanf("%s",dev[i].devname);}
printf("\nyou sure want change dev master(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\nmaster:"); scanf("%s",dev[i].devmaster);}
printf("\nyou sure want change dev no(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\nno"); scanf("%s",dev[i].devno);}
printf("\nyou sure want change dev sort(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\nsort"); scanf("%d",&dev[i].devsort);}
printf("\nyou sure want dev price(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\nprice"); scanf("%d",&dev[i].devprice);}
printf("\nyou sure want dev done date(y/n): ");
scanf("%s",ch);
if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0) { printf("\ndone date"); scanf("%s",dev[i].devdonenumber);}
}
}
save();
}
output();
}
void sort() //数据分类显示
{
int i,chi,sum=0,wei=0,da=0,sao=0;
printf("输入你想要统计的信息: 1(报废的设备数目) 2(设备所属部门分类)");
scanf("%d",&chi);
if(chi==1) {
for(i=0;i<count;i++) {
if(dev[i].devstate==0) sum++;
}
printf("报废的设备数目为 %d \n",sum);
}
else if(chi==2){
for(i=0;i<count;i++) {
if(dev[i].devsort==1) wei++;
else if(dev[i].devsort==2) da++;
else if(dev[i].devsort==3) sao++;
}
printf("A部门数量为 %d B部门数量为 %d C部门数量和为 %d",wei,da,sao);
}else { printf("你输入的选项不符合要求!\n");}
}
void dele() //数据删除
{
int i,j;
char c[20];
printf("\nenter you want delete name ：\n");
printf("name：");
scanf("%s",c);
for(i=0;i<count;i++)
if(strcmp(c,dev[i].devname)==0) break;
for(j=i;j<count-1;j++)
dev[j]=dev[j+1];
printf("\t\t\tyou had delete %s\n",c);
count--;
output();
}
void output() //数据输出
{
int i;
for(i=0;i<count;i++)
{
printf("%s %d %s %s %d %s %d %s\n",dev[i].devno,dev[i].devsort,dev[i].devmaster,dev[i].devname,dev[i].devprice,dev[i].devbuydate,dev[i].devstate,dev[i].devdonenumber);
}
}
void search() //数据查找
{
int i;
char a[20],ch[10];
printf("\nenter you want look name:");
scanf("%s",a);
for(i=0;i<count;i++)
if(strcmp(dev[i].devname,a)==0) printf("%s %d %s %s %d %s %d %s\n",dev[i].devno,dev[i].devsort,dev[i].devmaster,dev[i].devname,dev[i].devprice,dev[i].devbuydate,dev[i].devstate,dev[i].devdonenumber);
}
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