体育商品销售管理系统—源代码(C语言).doc

#define N 30#include #include #include struct productionint number;char name10;int inprice;int outprice;int quantity;productionN;void welcome()int c;printf( n);printf( -welcome-n);printf( #* *#n);printf( #* sale of production management system *#n);printf( #* *#n);printf( -=!what do you want to do!=-n);printf(n);printf( * 1 input 录入商品 *n);printf( * 2 insert 插入商品 *n);printf( * 3 search_name 按名称查询 *n);printf( * 4 search_number 按编码查询 *n);printf( * 5 delete- 删除商品 *n);printf( * 6 display- 显示信息 *n);printf( * 7 profit 盈亏显示 *n);printf( * 8 sort 销售额排序 *n);printf( * 9 exit 退出系统 *n);printf( -n);printf(n);printf(please input you choice(A number between 1 and 9):n);void input1(int i)printf(Please input the data:n); printf(please input the number:n); scanf(%d,&productioni.number); printf(please input the name:n); scanf(%s,&); printf(please input the inprice:n); scanf(%d,&productioni.inprice); printf(please input the outprice:n); scanf(%d,&productioni.outprice); printf(please input the quantity:n); scanf(%d,&productioni.quantity);void input()FILE *fp;int j,i,m=0;char x;for(i=0;iN;i+) if(strlen()!=0) m+;for(i=m;iN-1;i+) fp=fopen(production.txt,rb); if(fp=NULL) fp=fopen(production.txt,wb); else fclose(fp); fp=fopen(production.txt,ab); clrscr(); input1(i); fwrite(&productioni,sizeof(struct production),1,fp); printf(Do you want to continue inputing new data(选择Y/N)n); x=getch(); if(x=y|x=Y) continue; if(x=n|x=N) break; for (j=0;j=m;j+)fwrite(&productionj,sizeof(production),1,fp);fclose(fp);int insert()FILE *fp; int i,j,m=0; char x; for(i=0;iN;i+) if(strlen()!=0) m+;for(i=m;iN-1;i+) fp=fopen(production.txt,rb); if(fp=NULL) fp=fopen(production.txt,wb); else fclose(fp); fp=fopen(production.txt,ab); clrscr(); input1(m); fwrite(&productioni,sizeof(struct production),1,fp); printf(Do you want to continue inputing new data(选择Y/N)n); x=getch(); if(x=y|x=Y) continue; if(x=n|x=N) break; for (j=0;j=m;j+)fwrite(&productionj,sizeof(production),1,fp);fclose(fp);delete()char n10;int i,j,b=0,m=0;FILE *fp;for(i=0;iN;i+) if(strlen()!=0) m+;if(fp=fopen(production.txt,rb+)=NULL)printf(不能打开file.n);exit(0);printf(Enter the name of the production which you want to delete!);scanf(%s,&n);for(i=0;im;i+) if(strcmp(,n)=0) for(j=i;j=m;j+) productionj=productionj+1; b=1; if(b=1)printf(按任意键删除它.n);printf(Succeed!The data has been deleted!n);if(b=0)printf(不存在此商品!);fwrite(&productioni,sizeof(struct production),1,fp);fclose(fp);remove(production.txt); void search_number()int number,i,flag=0;printf(Please enter number which you want to search:);scanf(%d,&number);for(i=0;iN;i+) if(productioni.number=number&productioni.number!=0) printf(the information of this number:n); printf(Number: %dnName: %snInprice: %dnOutprice: %dnQuantity: %dn,productioni.number,,productioni.inprice,productioni.outprice,productioni.number); flag=1; if(flag=0) printf(The number is not exist !n);void search_name()char name20;int i,flag=0;printf(Please enter name which you want to search:);scanf(%s,&name);for(i=0;iN;i+) if(strcmp(,name)=0) printf(the information of this name:n); printf(Number: %dnName: %snInprice: %dnOutprice: %dnQuantity: %dn,productioni.number,,productioni.inprice,productioni.outprice,productioni.number); flag=1; if(flag=0) printf(The name is not exist !n);void profit()int pN,pr=0,i,m=0;for(i=0;iN;i+) if(strlen()!=0) m+;for(i=0;im;i+) pi=(productioni.outprice-productioni.inprice)*productioni.quantity; pr=pr+pi; printf(Name: %-7stNumber: %-7dtprofit: %-10dn,,productioni.number,pi); printf(Total Profit: %dn,pr);void sort() int i,j,t,s,m=0,bN,aN;for(i=0;iN;i+) if(strlen()!=0) m+;for(i=0;im;i+) bi=productioni.outprice*productioni.quantity; ai=productioni.number; printf(Before sorted:n);for(i=0;im;i+) printf(Number: %-5dtSale: %-10dn,ai,bi); for(i=1;im;i+) for(j=0;jbj+1) t=bj; bj=bj+1; bj+1=t; s=aj; aj=aj+1; aj+1=s; printf(After sorted:n);for(i=0;im;i+)printf(Number: %-5dtSale: %-10dn,ai,bi);void output()int i,m=0;FILE *fp;if(fp=fopen(production.txt,ab+)=NULL)printf(不能打开file.n);exit(0);for(i=0;iN;i+) if(strlen()!=0) m+;printf(Disply all the data below:n);for(i=0;im;i+) fread(&productioni,sizeof(struct production),1,fp); printf(The number: %dn,productioni.number); printf(The name: %sn,); printf(The inprice: %dn,productioni.inprice); printf(The outprice: %dn,productioni.outprice); printf(The quantity: %dn,productioni.quantity); printf(n); fclose(fp);main()int c;welcome(); while(1) scanf(%d,&c); switch(c) case 0:clrscr();welcome();break; case 1:input();printf(You may enter 0 to back to Welcome to look you choices!n);break; case 2:insert();printf(You may enter 0 to back to Welcome to look you choices!n);break; case 3:search_name();printf(You may enter 0 to back to Welcome to look you choices!n);break; case 4:search_number();printf(You may enter 0 to back to Welcome to look you choices!n);break; case 5:delete();printf(You may enter 0 to back to Welcome to look you choices!n);break; case 6:output();printf(Y