C语言课程设计 设备管理系统

#include<stdio.h>#include<stdlib.h>#include<conio.h>#include<string.h>voidmenu();//功能选择voidlkp();//查看信息voidchng();//修改信息voiddlt();//删除信息voidadd();//添加信息voidread();//读取文件voidwrite();//写入文件voidcount();//统计信息structdvc{chardno[20],dname[20],downer[20],ddpartment[20],damount[20],dtime[20],dprice[20];intdlt;}d[200];inttot,sum;intmain(){system("colorfc");system("modeconcols=146lines=40”);puts("************************，puts("*欢迎使用设备管理系统！*”);puts("************************，read();//将保存至外存中的文件读进内存menu();//用户功能选择write();//将内存里的所有信息覆写回外存文件中system("cls");puts("感谢您的使用");return0;}voidread(){tot=0;FILE*fp=fopen("D:\\inf.txt”,"r”);if(fp==NULL){fp=fopen("D:\\inf.txt”,"w”);fclose(fp);}while(fscanf(fp,”%s%s%s%s%s%s%s”,d[tot].dno,d[tot].dname,d[tot].downer,d[tot].ddpartment,d[tot].damount,d[tot].dtime,d[tot].dprice)!=EOF)

{d[tot++].dlt=0;}fclose(fp);}voidwrite(){inti;FILE*fp=fopen(”D:\\inf.txt”,”w”);for(i=0;i<tot;i++)if(!d[i].dlt)fprintf(fp,"%s%s%s%s%s%s%s\n”,d[i].dno,d[i].dname,d[i].downer,d[i].ddpartment,d[i].damount,d[i].dtime,d[i].dprice);fclose(fp);}voidmenu(){chara;while(1){puts(">>>>>>>>>>>>>>>★★★★★★★★★★★★★★★请选择需要的功能：★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★");1.查看2.修3.删除puts("所有设备信息\n改设备信息\n设备信息\n备信息\n信息\na=getch();switch(a){case'0':return;

case'1':{

lkp();

break;

}

case'2':{

chng();break;}case'3':{puts("所有设备信息\n改设备信息\n设备信息\n备信息\n信息\na=getch();switch(a){case'0':return;

case'1':{

lkp();

break;

}

case'2':{

chng();break;}case'3':{dlt();break;}}voidlkp(){system("cls");inti;printf(-设备号设备名称领用人所属部门数量购买时间价格\^);for(i=0;i<tot;i++){if(d[i].dlt==0)printf("%20s%20s%20s%20s%20s%20s%20s\n”,d[i].dno,d[i].dname,d[i].downer,d[i].ddpartment,d[i].damount,d[i].dtime,d[i].dprice);}}voidchng(){system("cls");chars,ch[20];inti,j;printf(-请输入您要修改的设备的编号：(0键返回菜单栏)\n");printf(-设备号设备名称领用人所属部门数量购买时间价格\^);for(i=0;i<tot;i++){printf("%4d.%20s%20s%20s%20s%20s%20s%20s\n”,i+1,d[i].dno,d[i].dname,d[i].downer,d[i].ddpartment,d[i].damount,d[i].dtime,d[i].dprice);}while(1){scanf("%s”,ch);i=atoi(ch);if(i>=1&&i<=tot)break;elseif(i==0){system("cls");return;}elseputs("您输入的信息有误！请检查后重新输A\n");}if(d[i-1].dlt==1){printf(-该设备已经被删除！\n");return;}printf(-请输入您要修改的内容的编号：\n1.设备号\n2.设备名称\n3.领用人\n4.所属部门\n5.数量满.购买时间\n7,价格曲.返回菜单栏\n");while(1){scanf("%s”,ch);j=atoi(ch);if(j>=1&&j<=7)break;elseif(i==0){system("cls");return;}elseputs("您输入的信息有误！请检查后重新输A\n");}printf("请输入您要修改的信息:\n");switch(j){case1:{scanf("%s”,d[i-1].dno);break;}case2:{scanf("%s”,d[i-1].dname);break;}case3:{scanf("%s”,d[i-1].downer);break;}case4:{scanf("%s”,d[i-1].ddpartment);break;}case5:{scanf("%s”,d[i-1].damount);break;}case6:{scanf("%s”,d[i-1].dtime);break;}case7:{scanf("%s”,d[i-1].dprice);break;}}printf('请问是否要继续修改？(Y/N)\n");while(1){getchar();gets(&s);if(s=='Y'||s=='N'||s=='y'||s=='n')break;elseputs("您输入的信息有误！请检查后重新输A\n");}if(s=='Y'||s='y')chng();elseif(s=='N'||s=='n')system("cls");}voiddlt(){system("cls");charch[20],s;inti;printf(-请输入你要删除的设备的编号：(0键返回菜单烂)\n");printf(-设备号设备名称领用人所属部门数量购买时间价格\^);for(i=0;i<tot;i++){if(d[i].dlt==0)printf("%4d.%20s%20s%20s%20s%20s%20s%20s\n”,i+1,d[i].dno,d[i].dname,d[i].downer,d[i].ddpartment,d[i].damount,d[i].dtime,d[i].dprice);}while(1){scanf("%s”,ch);i=atoi(ch);if(i>=1&&i<=tot)break;elseif(i==0){system("cls");return;}elseputs("您输入的信息有误！请检查后重新输A\n");}d[i-1].dlt=1;printf("请问是否要继续删除？(Y/N)\n");while(1){getchar();gets(&s);if(s=='Y'||s=='N'||s=='y'||s=='n')break;elseputs("您输入的信息有误！请检查后重新输A\n");}if(s=='Y'||s='y')dlt();elseif(s=='N'||s=='n')system("cls");}voidadd(){chars;system("cls");printf("请输入您要添加的设备号：\n");scanf("%s”,d[tot].dno);printf("请输入您要添加的设备的名称：\n");scanf("%s”,d[tot].dname);printf(-请输入您要添加的设备的领用人：\n");scanf("%s”,d[tot].downer);printf(-请输入您要添加的设备的所属部门：\n");scanf("%s”,d[tot].ddpartment);printf(-请输入您要添加的设备的数量：\n");scanf("%s”,d[tot].damount);printf(-请输入您要添加的设备的购买时间：\n");scanf("%s”,d[tot].dtime);printf("请输入您要添加的设备的价格：\n");scanf("%s”,d[tot].dprice);d[tot].dlt=0;tot+=1;printf("请问是否要继续添加？(Y/N)\n");while(1){getchar();gets(&s);if(s=='Y'||s=='N'||s=='y'||s=='n')break;elseputs("您输入的信息有误！请检查后重新输A\n");}if(s=='Y'||s=='y')add();elseif(s=='N'||s=='n')system("cls");}voidcount(){system("cls");charch[20],temp[20],s;inti,j,n;sum=0;printf(-请选择统计的方式:\n1.所有设备的总价值。\n2.设备所属部门。\n3.设备种类。\n0.返回菜单栏\n");while(1){scanf("%s”,ch);j=atoi(ch);if(j>=1&&j<=3)break;elseif(j==0){system("cls");return;}elseputs("您输入的信息有误！请检查后重新输A\n");}system("cls");switch(j){case1:{lkp();for(i=0;i<tot;i++){if(d[i].dlt==0)

数量数量sum=atoi(d[i].dprice)*atoi(d[i].damount)+sum;}printf("当前设备的总价值％%d。\n",sum);break;}case2:数量数量{lkp()；printf(-设备所属部门统计结果为：\n所属部门总价值\n");for(i=0;i<tot;i++){sum=0;n=0;strcpy(temp,d[i].ddpartment);for(j=0;j<tot;j++){if(strcmp(temp,d[j].ddpartment)==0&&i>j)break;elseif(strcmp(temp,d[j].ddpartment)==0&&ivj&&d[j].dlt=0){sum=sum+atoi(d[j].damount)*atoi(d[j].dprice);n=n+atoi(d[j].damount);}}if(strcmp(temp,d[j].ddpartment)==0&&i>j)continue;if(d[i].dlt==0){sum=sum+atoi(d[i].damount)*atoi(d[i].dprice);n=n+atoi(d[i].damount);}if(sum==0)continue;printf("%20s%20d%20d\n”,d[i].ddpartment,n,sum);}break;}case3:{lkp();printf("设备种类统计结果为：\n设备名总价值\n");for(i=0;i<tot;i++){sum=0;n=0;strcpy(temp,d[i].dname);for(j=0;j<tot;j++){if(strcmp(temp,d[j].dname)==0&&i>j)break;elseif(strcmp(temp,d[j].dname)==0&&i<j&&d[j].dlt==0){sum=sum+atoi(d[j].damount)*atoi(d[j].dprice);n=n+atoi(d[j].damount);}}if(strcmp(temp,d[j].dname)==0&&i>j)continue;if(d[i].dlt==0){sum=sum+atoi(d[i].damount)*atoi(d[i].dprice);n=n