商品信息管理系统C语言课程设计.docx

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商品信息管理系统C语言课程设计.docx

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商品信息管理系统C语言课程设计.docx

商品信息管理系统C语言课程设计

#include

#include

#include

#include

#defineN100

structcommodity

{

charoption[20];

charname[20];

charprice[10];

charproduction_date[8];

charstale_date[8];

charfinished_goods[20];

charsaleroom[20];

};

voidprint_1();

voidcreate();

voidedit();

voidprint_2();/*invokedofedit*/

voidedit_add();/*invokedofedit*/

voidedit_modify();/*invokedofedit*/

voidedit_delete();/*invokedofedit*/

voiddelete_option();/*invokedof2delete*/

voiddelete_name();/*invokedof2delete*/

voidshow();

voidsearch();

voidsearch_option();/*invokedofsearch*/

voidsearch_name();/*invokedofsearch*/

main()

{

charchoose='\0',yes_no='\0';

do

{

print_1();

choose=getch();

switch(choose)

{

case'1':

create();break;/*createinformationofcommodity*/

case'2':

edit();break;/*editinformationofcommodity*/

case'3':

show();break;/*showinformationofcommodity*/

case'4':

search();break;/*searchinformationofcommodity*/

case'0':

exit(0);

default:

printf("\n%cisillegalityoption!

\n",choose);

}

printf("\nDoyouwanttocontinue(y/n)?

");

do

{

yes_no=getche();

}while(yes_no!

='Y'&&yes_no!

='y'&&yes_no!

='N'&&yes_no!

='n');

}while(yes_no=='Y'||yes_no=='y');

}

voidprint_1()/*showlimitingsurfaceofmenu*/

{

clrscr();/*clearnscreenoffunction*/

printf("********************************************************************************\n");

printf("**************Manage'systemofCommodityInformation*************\n");

printf("********************************************************************************\n");

printf("|***********************************************|\n");

printf("|Pleaseinputoptionnumber|\n");

printf("|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|\n");

printf("|1-----Createcommodityinformation|\n");

printf("|2-----Editcommodityinformation|\n");

printf("|3-----Showcommodityinformation|\n");

printf("|4-----Searchcommodityinformation|\n");

printf("|0-----Exitsystem|\n");

printf("|***********************************************|\n");

}

voidcreate()/*createinformationofcommodityforfunction*/

{

inti=0,j,num;

structcommoditytemp={0};

FILE*fp=NULL;

fp=fopen("D:

\\commodity.txt","w");

if(fp==NULL)

{

printf("\nFileofinformationofcommodityopeningfailed.\n");

return;

}

clrscr();/*clearnscreenoffunction*/

printf("Pleaseinputwanttoinputthenumberofgoods!

");

scanf("%d",&num);

for(j=1;num>=j;j++)

{

printf("\nPleaseinput%drecord:

\n",j);

printf("number:

");

do

{

gets(temp.option);

}while(strcmp(temp.option,"")==0);

printf("name:

");

gets(temp.name);

printf("price:

");

gets(temp.price);

printf("production:

");

gets(temp.production_date);

printf("stale_date:

");

gets(temp.stale_date);

printf("finished_goods:

");

gets(temp.finished_goods);

printf("saleroom:

");

gets(temp.saleroom);

fprintf(fp,"%s%s%s%s%s%s%s\n",temp.option,temp.name,temp.price,

temp.production_date,temp.stale_date,temp.finished_goods,temp.stale_date);

i++;

}

fclose(fp);

}

voidedit()/*editinformationofcommodityforfunction*/

{

charchoose='\0',yes_no='\0',pass[20]={0},old[20]={0},w;

inti=0,j,m=0;

FILE*fp_code;

fp_code=fopen("D:

\\code.txt","r");

if(fp_code==NULL)

{

printf("\nFileofcodeopeningfailed.\n");

return;

}

fscanf(fp_code,"%s",old);

fclose(fp_code);

for(j=0;j<=2;j++)

{

printf("Intputpassword:

");

i=0;

do

{

w=getch();

if(w!

='\r')

{

putch('*');

pass[i]=w;

i++;

}

else

break;

}while

(1);

if(strcmp(pass,old)==0)

break;

else

{

printf("\nYourcodeiswrong\n");

m++;

if(m>=3)

exit

(1);

}

}

do

{

print_2();

printf("");

choose=getch();

switch(choose)

{

case'1':

edit_add();break;/*addnewinformationofcommodity*/

case'2':

edit_modify();break;/*modifyinformationofcommodity*/

case'3':

edit_delete();break;/*deleteinformationofcommodity*/

case'0':

exit(0);

default:

printf("\n%cisillegalityoption!

\n",choose);

}

printf("\nDoyouwanttocontinue(y/n)?

");

do

{

yes_no=getche();

}while(yes_no!

='Y'&&yes_no!

='y'&&yes_no!

='N'&&yes_no!

='n');

}while(yes_no=='Y'||yes_no=='y');

}

voidprint_2()/*showlimitingsurfaceofmenu*/

{

clrscr();/*clearnscreenoffunction*/

printf("********************************************************************************\n");

printf("**************Manage'systemofCommodityInformation*************\n");

printf("********************************************************************************\n");

printf("|***********************************************|\n");

printf("|Pleaseinputoptionnumber|\n");

printf("|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|\n");

printf("|1-----Addcommodityinformation|\n");

printf("|2-----Modifycommodityinformation|\n");

printf("|3-----Deletecommodityinformation|\n");

printf("|0-----Exitsystem|\n");

printf("|***********************************************|\n");

}

voidedit_add()/*addnewinformationofcommodity*/

{

charc='\0';

intn=0;

structcommoditytemp={0},record[N]={0},*p=NULL;

FILE*fp=NULL;

fp=fopen("D:

\\commodity.txt","r");

if(fp==NULL)

{

printf("\nFileopeningfailed.\n");

return;

}

p=record;

while(feof(fp)==0)

{

fscanf(fp,"%s%s%s%s%s%s%s",p->option,p->name,p->price,p->production_date,p->stale_date,

p->finished_goods,p->saleroom);

p++;

n++;

}

fclose(fp);

do

{

printf("\nPleaseinputnewoption:

");

do

{

gets(temp.option);

}while(strcmp(temp.option,"")==0);

printf("Pleaseinputnewname:

");

gets(temp.name);

printf("Pleaseinputnewprice:

");

gets(temp.price);

printf("Pleaseinputnewproduction:

");

gets(temp.production_date);

printf("Pleaseinputnewstale_date:

");

gets(temp.stale_date);

printf("Pleaseinputnewfinished_goods:

");

gets(temp.finished_goods);

printf("Pleaseinputnewsaleroom:

");

gets(temp.saleroom);

for(p=record;p

if(strcmp(temp.option,p->option)==0)

{

printf("\nTheoptionisrepeat,ifyouwanttoinputagain(y/n)?

");

do

{

c=getche();

}while(c!

='Y'&&c!

='y'&&c!

='N'&&c!

='n');

putchar('\n');

break;

}

if(p==record+n)

{

*p=temp;

break;

}

}while(c=='y'||c=='Y');

fp=fopen("D:

\\commodity.txt","w");

if(fp==NULL)

{

printf("\nFileopeningfailed.\n");

return;

}

for(p=record;p

fprintf(fp,"\n%6s%10s%8s%8s%8s%8s%8s",p->option,p->name,p->price,p->production_date,p->stale_date,

p->finished_goods,p->saleroom);

fclose(fp);

}

voidedit_modify()/*modifyinformationofcommodity*/

{

charc='\0';

intn=0;

structcommodity*find=NULL,temp={0},record[100]={0},*p=NULL;

FILE*fp=NULL;

fp=fopen("D:

\\commodity.txt","r");

if(fp==NULL)

{

printf("\nFileopeningfailed.\n");

return;

}

p=record;

while(!

feof(fp))

{

fscanf(fp,"%s%s%s%s%s%s%s",p->option,p->name,p->price,p->production_date,p->stale_date,

p->finished_goods,p->saleroom);

p++;

n++;

}

fclose(fp);

if(n==0)

{

printf("\nNorecordinthisfile.\n");

return;

}

printf("\nPleaseinputyouwanttocommodity'option:

");

gets(temp.option);

for(p=record;p

if(strcmp(temp.option,p->option)==0)

{

find=p;

break;

}

if(p==record+n)

{

printf("\nNothiscommodity.\n");

return;

}

do

{

printf("\nPleaseinputrightoption.:

");

do

{

gets(temp.option);

}while(strcmp(temp.option,"")==0);

printf("Pleaseinputrightname:

");

gets(temp.name);

printf("Pleaseinputrightprice:

");

gets(temp.price);

printf("Pleaseinputrightproduction:

");

gets(temp.production_date);

printf("Pleaseinputrightstale_date:

");

gets(temp.stale_date);

printf("Pleaseinputrightfinished_goods:

");

gets(temp.finished_goods);

printf("Pleaseinputrightsaleroom:

");

gets(temp.saleroom);

for(p=record;p

if(strcmp(temp.option,p->option)==0&&(p!

=find))

{

printf("\nTheoptionisrepeat,doyouwanttocontinue?

(y/n)");

do

{

c=getche();

}while(c!

='Y'&&c!

='y'&&c!

='N'&&c!

='n');

putchar('\n');

break;

}

if(p==record+n)

{

*find=temp;

break;

}

}while((c=='y')||(c=='Y'));

fp=fopen("D:

\\commodity.txt","w");

if(fp==NULL)

{

printf("\nFileopeningisfailed.\n");

return;

}

for(p=record;p

fprintf(fp,"\n%6s%10s%8s%8s%8s%8s%8s",p->option,p->name,p->price,p->production_date,p->stale_date,

p->finished_goods,p->saleroom);

fclose(fp);

}

voidedit_delete()/*deleteinformationofcommodity*/

{

charc='\0';

printf("\nAccordingtotheoption(o)todelete,deleteorbythename(n)?

");

c=getche();

if(c=='o'||c=='O')

delete_option();

else

if(c=='n'||c=='N')

delete_name();

else

printf("\nThischarisillegal.\n");

}

voiddelete_option()/*deleteinformationofcommoditybyoption*/

{

chartempoption[10]="";

intn=0;

structcommodityrecord[N]={0},*p=NULL,*k=NULL;

FILE*fp=NULL;

fp=fopen("D:

\\commodity.txt","r");

if(fp==NULL)

{

printf("\nFileopeningisfailed.\n");

return;

}

p=record;

while(!

feof(fp))

{

fscanf(fp,"%s%s%s%s%s%s%s",p->option,p->name,p->price,p->production_date,p->stale_date,

p->finished_goods,p->saleroom);

p++;

n++;

}

fclose(fp);

printf("\nPleaseinputyouwanttodeletetheoption:

");

gets(tempoption);

for(k=record;k

if(strcmp(tempoption,k->option)==0)

break;

if(k

for(p=k;p

*p=*(p+1);

else

printf("\nNosuchcommodify.\n");

fp=fopen("D:

\\commodi

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