商品销售管理系统.doc

#include#include#include/#includeFILE.htypedef struct shangpinchar name20;int biaohao;int shuliang;double jiage;Node;typedef struct listNode data;struct list *next;List,*Slist;void char u(Slist &s,Node x);int caidan()int i;while(1);system(cls);printf(nttt 商店销售管理系统nn);printf(tt *nn);printf(tt 1-添加商品 2-出售商品nn);printf(tt 3-删除商品 4-显示商品nn);printf(tt 5-查找商品 0-退出系统nn);printf(tt *nn);printf(请选择(0-5):);scanf(%d,&i);if(i=0)break;return ivoid chushihua(Slist &s)Slist head=new Listhead-next=NULL;S=head;void tianjia(Slist &s)Node x;Slist r,p,q;int i=0;r=new List;r-next=NULL;q=p=s-next;while(q)i+;q=q-next;printf(请输入商品名称，数量以及价格:);scanf(%s%d%lf,,&x.shuliang,&x.jiage);x.biaohao=i+1;r-data=x;s-next=r;r-next=p;void duchu(Slist &s)FILE*cp;int i=0;Node x;if(cp=fopen(shangpin.txt,a+)=NULL)fseek(cp,0L,SEEK.SET);while(!feof(cp)fscanf(cp,%s%d%lf,,&x.shuliang,&x.jiage);x.biaohao=+i;char u(s,x);fclose(cp);void char u(Slist &s,Node x)Slist r,p=s-next;r=new List;r-next=NULL;r-data=x;s-next=r;r-next=p;void xieru(Slist s)FILE*cp;Slist p=s-next;if(cp=fopen(shangpin.txt,w+)=NULL)WHILE(p)fprintf(cp,%s %d %2lf,p-data.jiage);p=p-next;fclose(cp);slist chazhao(Slist s,int m)Slist p=s-next;if(p=0)return 0;if(p-next=0)return p;if(p-data.biaohao=m)return p;while(p-next)if(p-next-data.biaohao=m)return p;p=p-next;return 0;void xianshi(Slist s)Slist p;p=s-next;printf(%10s%20s%10s%10sn,商品编号,商品名称,商品数量,商品价格);while(p)printf(%10d%20s%10d%10.2fn,p-data.biaohao,,p-data.shuliang,p-data.jiage);p=p-next;void shanchu(Slist &s)void chushou(Slist &s)void main()int sum;Slist s;chushihua(s);duchu(s);num=caidan();while(1)switch(num);case 0:exit(0);break;case 1:tianjia(s);break;case 2:chushou(s);break;case 3:shanchu(s);break;case 4:xianshi(s);break;case 5:chazhao(s,1);break;printf(按任意键继续)；getch();num=caidanxieru(s);#include stdio.h/*输入输出函数*/ #include stdlib.h/*通用应用程序函数*/ #include string.h/*字符串函数*/ #include ctype.h/*字符操作函数*/ typedef struct /*定义结构体变量*/ int name; int a1; int a2; int a3; int a4; int a5; RECODE; int menu_select();/*声明函数*/ int enter(RECODE t);/*声明函数*/ void salor(RECODE t,int n);/*声明函数*/ int sum(RECODE t,int n,int m);/*声明函数*/ void list1(RECODE t,int n);/*声明函数*/ void list2(RECODE t,int n);/*声明函数*/ void list3(RECODE t,int n);/*声明函数*/ void save(RECODE t,int n);/*声明函数*/ int load(RECODE t);/*声明函数*/ main()/*主函数*/ RECODE rec600; int length; system(cls); /*清屏*/ for( ; ; ) /*无限循环*/ switch(menu_select() /*根据用户的选择判断该调用哪个功能函数*/ case 1:length=enter(rec);break; case 2:salor(rec,length);break; case 3:list1(rec,length);break; case 4:list2(rec,length);break; case 5:list3(rec,length);break; case 6:save(rec,length);break; case 7:length=load(rec);break; case 0:exit(0); int menu_select() /*菜单函数*/ int n; printf( menu nn); printf(director：苏宪启 class：05507108 st.num：20071001052n);printf( 1 enter the biantiaon); printf( 2 saling num each person per monthn); printf( 3 the sequence of people due to saling numbern); printf( 4 sum of every productn); printf( 5 the list of biantiaon); printf( 6 save the filen); printf( 7 load the filen); printf( 0 quitn); printf(-end-nn); printf( please input your choice(0-7): ); scanf(%d,&n); if(0n8) system(cls); /*清屏*/ return n; int enter(RECODE t)/*清单输入函数*/ int i,num; system(cls); /*清屏*/ printf(please input the num of biantiao:); scanf(%d,&num);/*输入所要写入的清单的条数*/ printf(name product1 product2 product3 product4 product5); for(i=0;i=num;i+)/*将所输入的条数存入结构体数组中*/ printf(nn-n); scanf(%d%d%d%d%d%d,&,&ti.a1,&ti.a2,&ti.a3,&ti.a4,&ti.a5); printf(n-nnn); return i; void salor(RECODE t,int n) int i,s; int b1=0,b2=0,b3=0,b4=0,b5=0; printf(please input the code of salor(1-4):); scanf(%d,&s); /*输入所要查看的售货员的代号*/ for(i=0;in;i+) /*对每种产品的销售额求和*/ if(=s) b1+=ti.a1; b2+=ti.a2; b3+=ti.a3; b4+=ti.a4; b5+=ti.a5; printf(name product1 product2 product3 product4 product5n); printf(-n); printf(%-15d%-10d%-10d%-7d%-7d%-7d,s,b1,b2,b3,b4,b5); printf(npress enter to continue.n); getchar(); int sum(RECODE t,int n, int e) int i,sum=0; for(i=0;i=n;i+)/*求销售产品的总和*/ if(e=) sum+=ti.a1; sum+=ti.a2; sum+=ti.a3; sum+=ti.a4; sum+=ti.a5; return sum; void list1 (RECODE t,int n) int i,j,s; int c4,m4; /*定义两个数组*/ system(cls); /*清屏*/ for(i=0;i4;i+) mi=i+1; for(i=0;i4;i+) ci=sum(t,n,mi); for(i=0;i4;i+)/*按销售员的销售额进行排序*/ for(j=i+1;j4;j+) if(cicj) s=mi; mi=mj; mj=s; s=ci; ci=cj; cj=s; printf(the sequce of salorsaling number from many to fewn); for(i=0;i4;i+)/*输出销售员代号*/ printf(%dn,mi); printf(ninput any key to continue.n); getchar(); void list2(RECODE t,int n) int i,j,s; int c5,m5; for(i=0;i5;i+)/*产品代号*/ mi=i+1; for(i=0;i5;i+)/*给数组赋初值*/ ci=0; for(i=0;in;i+)/*分别对每一种产品的销售额求总和*/ for(j=0;j5;j+) if(mj=ti.a1) cj+=ti.a1; if(mj=ti.a2) cj+=ti.a2; if(mj=ti.a3) cj+=ti.a3; if(mj=ti.a4) cj+=ti.a4; if(mj=ti.a5) cj+=ti.a5; for(i=0;i5;i+)/*按销售额对产品排序*/ for(j=i+1;j5;j+) if(cicj) s=ci;ci=cj; cj=s; s=mi;mi=mj; mj=s; system(cls); /*清屏*/ printf(product num n); for(i=0;i5;i+)/*输出产品的代号和销售额*/ printf(%-10d%-10dn,mi,ci); printf(please input any key to continue .n); getchar(); void list3(RECODE t,int n) int i,j,sum0=0,sum1=0,sum2=0,sum3=0,sum4=0,sum5=0; int c4,b14=0,b24=0,b34=0,b44=0,b54=0; system(cls); ; for(i=0;i4;i+) ci=sum(t,n,i+1);/*求每个人的总销售额*/ for(i=0;i4;i+) sum0+=ci;/*所有产品的销售额*/ for(i=0;in;i+)/*求每个人每种产品的总销售额*/ for(j=0;j4;j+) if(j+1=) b1j+=ti.a1; b2j+=ti.a2; b3j+=ti.a3; b4j+=ti.a4; b5j+=ti.a5; for(i=0;i4;i+)/*每种产品的总销售额*/ sum1+=b1i; sum2+=b2i; sum3+=b3i; sum4+=b4i; sum5+=b5i; printf(-the lise of saling recode-nnn); printf( products numn); printf( code 1 2 3 4 5 sumnn); for(i=0;i4;i+) printf( %-10d%-7d%-7d%-7d%-7d%-7d%-7dn,i+1,b1i,b2i,b3i,b4i,b5i,ci); printf( psum %-7d%-7d%-7d%-7d%-7d%-7d,sum1,sum2,sum3,sum4,sum5,sum0); printf(n press any key to continue.n); getchar(); void save(RECODE t,int n) int i; FILE *fp;/*调用fopen函数*/ if(fp=fopen(record.txt,wb)=NULL)/*如果函数带回一个空指针值*/ printf(can not open filen);/*不能打开文件*/ exit(1); printf(nSaving filen); fprintf(fp,%d,n); fprintf(fp,rn); for(i=0;in;i+) fprintf(fp,%-10d%-7d%-7d%-7d%-7d%-7d,,ti.a1,ti.a2,ti.a3,ti.a4,ti.a5);/*将便条的信息输出到fp指向的文件上*/ fprintf(fp,rn); fclose(fp);/*关闭文件*/ printf(*save success*nn);/*显示保存成功*/ printf(press any key to continue.n); getchar(); int load(RECODE t) int i,n; FILE *fp; if(fp=fopen(record.txt,r)=NULL)/*如果函数带回一个空指针值*/ printf(can not open filen);/*不能打开文件*/ exit(1); fscanf(fp,%d,&n); for(i=0;in;i+) fscanf(fp,%d%d%d%d%d%d,&(),&(ti.a1),&(ti.a2),&(ti.a3),&(ti.a4),&(ti.a5);/*从fp指向的文件上读入便条信息*/ fclose(fp); printf(n You have success rea data from file!n);/*成功读入信息*/ printf(press any key to continue.nn); getchar(); r