{
productnode * first_product; //头指针
char pkindname[40]; //商品名称 int kind_number; //产品种类个数 }kindnode;
/*****************销售链表****************/ typedef struct {
kindnode* kindelem; int length; int listsize; }sqlist;
/*******************初始化L************/ int Init(sqlist &L) {int i;
L.kindelem=(kindnode*)malloc(SQMOUTLINK_INIT_SIZE*sizeof(kindnode)); if(!L.kindelem) exit(overflow); L.length=0;
L.listsize=SQMOUTLINK_INIT_SIZE; for(i=0;i {(L.kindelem[i]).first_product=NULL; (L.kindelem[i]).kind_number=0; } return ok; } /********************创建商品和产品**************************/ int Create(sqlist &L) {plinklist p,q; int i,j,k,n; printf(\请输入商品类数量:\\n\ do {scanf(\ if(n<0) {printf(\对不起，你输入有误！请重新选择（n>=0）\\n\ }while(n<0); for(i=0;i {printf(\请输入第%d个商品类的名称:\\n\ scanf(\ printf(\请输入这类商品含有的产品种类数量:\\n\ do {scanf(\ if(k<0) {printf(\对不起，你输入有误！请重新选择（k>=0）\\n\ }while(k<0); L.kindelem[i].kind_number=k; if(k>=1) {p=(plinklist)malloc(sizeof(productnode)); printf(\请输入第%d个产品名称:\\n\ scanf(\ printf(\请输入产品总量:\\n\ scanf(\ printf(\请输入产品进货日期(年-月-日):\\n\ scanf(\_time).day)); printf(\请输入产品单价:\\n\ scanf(\ printf(\请输入产品销售数量:\\n\ scanf(\ 11 printf(\请输入产品销售时间(年-月-日):\\n\scanf(\ime).day)); p->product_income=(p->product_price)*(p->sales_quantity); p->product_stock=(p->product_quantity)-(p->sales_quantity); L.kindelem[i].first_product=p; p->next=NULL; } for(j=1;j {q=(plinklist)malloc(sizeof(productnode)); printf(\请输入第%d个产品名称:\\n\ scanf(\ printf(\请输入产品总量:\\n\ scanf(\ printf(\请输入产品进货日期(年-月-日):\\n\scanf(\e).day)); printf(\请输入产品单价:\\n\ scanf(\ printf(\请输入产品销售数量:\\n\ scanf(\ printf(\请输入产品销售时间(年-月-日):\\n\ scanf(\ime).day)); q->product_income=(q->product_price)*(q->sales_quantity); q->product_stock=(q->product_quantity)-(q->sales_quantity); q->next=p->next; p->next=q; p=q; }L.length++; }return ok; } /***********************添加***********************************/ int Add(sqlist &L) {plinklist p,q; int k,j,n; char pkindname[20]; printf(\请输入添加产品所属的商品类：\\n\ scanf(\ for(k=0;k if(strcmp((L.kindelem[k]).pkindname,pkindname)==0) { printf(\请输入所要添加的产品类数量(个)：\\n\ scanf(\ L.kindelem[k].kind_number=L.kindelem[k].kind_number+n; if(L.kindelem[k].first_product==NULL)//商品下没产品 {q=(plinklist)malloc(sizeof(productnode)); printf(\请输入需添加产品的名称:\\n\ scanf(\ printf(\请输入产品总量:\\n\ scanf(\ printf(\请输入进货日期(年-月-日):\\n\ scanf(\e).day)); printf(\请输入产品单价:\\n\ 12 scanf(\ printf(\请输入销售数量:\\n\ scanf(\ printf(\请输入销售时间(年-月-日):\\n\ scanf(\ime).day)); q->product_income=(q->product_price)*(q->sales_quantity); q->product_stock=(q->product_quantity)-(q->sales_quantity); q->next=NULL; L.kindelem[k].first_product=q; p=L.kindelem[k].first_product; for(j=1;j scanf(\ printf(\请输入进货日期(年-月-日):\\n\ scanf(\e).day)); printf(\请输入产品单价:\\n\ scanf(\ printf(\请输入销售数量:\\n\ scanf(\ printf(\请输入销售时间(年-月-日):\\n\ scanf(\ime).day)); q->product_income=(q->product_price)*(q->sales_quantity); q->product_stock=(q->product_quantity)-(q->sales_quantity); /************************添加***********************************/ q->next=p->next;p->next=q;p=q; } } else//商品下有产品 {p=L.kindelem[k].first_product; for(j=0;j scanf(\ printf(\请输入进货日期(年-月-日):\\n\ scanf(\e).day)); printf(\请输入产品单价:\\n\ scanf(\ printf(\请输入销售数量:\\n\ 13 scanf(\ printf(\请输入销售时间(年-月-日):\\n\ scanf(\ime).day)); q->product_income=(q->product_price)*(q->sales_quantity); q->product_stock=(q->product_quantity)-(q->sales_quantity); /************************添加***********************************/ for(p=L.kindelem[k].first_product;(p->next)!=NULL;p=p->next); q->next=p->next; p->next=q; p=q; }//for }//else break; }//if }//for if(k>=L.length)//没有该商品类 { strcpy(L.kindelem[k].pkindname,pkindname); L.length++; printf(\请输入所要添加的产品类数量(个)：\\n\ scanf(\ L.kindelem[k].kind_number=n; for(j=0;j printf(\请输入此产品类所含产品的产品名称:\\n\ scanf(\ printf(\请输入产品总量:\\n\ scanf(\ printf(\请输入产品的进货日期(年-月-日):\\n\ scanf(\e).day)); printf(\请输入产品的产品单价:\\n\ scanf(\ printf(\请输入产品的销售数量:\\n\ scanf(\ printf(\请输入产品的销售时间(年-月-日):\\n\ scanf(\ime).day)); p->product_income=(p->product_price)*(p->sales_quantity); p->product_stock=(p->product_quantity)-(p->sales_quantity); L.kindelem[k].first_product=p; p->next=NULL; }//for }//if return ok; } /*************************更改***************************/ void Alter(sqlist &L) { int i,buy_number,order,sales_number,flag=0; double price; 14 char pkindname[10],product_name[10]; plinklist p; printf(\请输入你所要修改的商品类：\\n\ scanf(\ for(i=0;i printf(\……………………………………………\\n\loop: printf(\请进行选择：(0-7)\\n\ scanf(\ switch(order) { case 1: printf(\新的进货日期(年-月-日):\\n\ scanf(\e).day)); goto loop; case 2: printf(\进货(个)：\\n\ scanf(\ p->product_quantity=p->product_quantity+buy_number; p->product_stock=(p->product_stock+buy_number); goto loop; case 3: printf(\销售(个):\\t\ scanf(\ p->sales_quantity=p->sales_quantity+sales_number; p->product_stock=(p->product_stock)-sales_number; goto loop; case 4: printf(\新单价(元)：\\t\ scanf(\ p->product_price=price; p->product_income=(p->sales_quantity)*(p->product_price); goto loop; case 0: system(\ flag=1; break; 15