C语言笔记本电脑销售系统课设(附源码)

C语言笔记本电脑销售系统课设项目说明本系统基于C语言开发，适用于刚入门的C语言新手项目课设，开发软件采用VC++6.0开发，VS，DEVC++等均可运行。（书生）项目运行截图开始界面新建笔记本信息删除笔记本信息退出系统代码界面截图完整源码#include<stdio.h>#include<stdlib.h>#include<string.h>#include<windows.h>structComputer{charName[100]; charBrand[100]; charType[100]; intSell_quantity; floatPurchase_price; intRemain_quantity; floatSell_price; floattotal_money; structComputer*next;};#defineLENsizeof(structComputer)voidCREAT(void);voidMENU(void);voidFIND(structComputer*head);voidSAVE(structComputer*head);voidADD(structComputer*head);voidCHANGE(structComputer*head);voidDELETe(structComputer*head);voidHIGH(structComputer*head);voidSEARCH(structComputer*head);voidSELL(structComputer*head);intmain(){ intnumber,count; FILE*fp; system("modeconcols=120lines=100");//行列 system("colorF0"); printf("\n欢迎进入笔记本电脑销售管理系统\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); printf("版本型号：V2.1.5\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("·准备好后请按回车键开始（请不要乱按其他键，否则会造成程序错误）\n"); printf("·PleaseentertheEnterkeytostart！"); getchar(); if((fp=fopen("SellRecord.txt","rb"))==NULL) { printf("++\n\n"); printf("|提示：您是第一次使用该系统，请先录入笔记销售信息！|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF9); printf("|·服务编号：|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("|1.新建笔记本电脑信息|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF6); printf("|2.退出系统|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("++\n\n");printf("Input:"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); scanf("%d",&number); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); if(number==1)CREAT(); elseif(number==2)exit(0); else { printf("未查到此编号，回车键退出系统！"); getchar(); exit(0); } } else {fclose(fp); MENU();}return0;}voidMENU(void){ intnumber; FILE*fp; intt; structComputer*p1,*p2,*head; p1=(structComputer*)malloc(LEN); head=p1; if((fp=fopen("SellRecord.txt","rb"))==NULL) { printf("未找到该信息！回车键退出程序\n"); getchar(); exit(0); } while(!feof(fp)) { if(fread(p1,LEN,1,fp)!=1) break; p1->next=(structComputer*)malloc(LEN); if(p1->next==NULL) { printf("error:回车键退出程序\n"); getchar(); exit(0); } p2=p1; p1=p1->next; } p2->next=NULL; fclose(fp);system("CLS");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("\n欢迎进入笔记本电脑销售管理系统\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); printf("版本型号：V2.1.5\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("++\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); printf("|·服务编号：|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("|1.添加笔记本电脑信息|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF9); printf("|2.删除笔记本电脑信息|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF6); printf("|3.修改笔记本电脑信息|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); printf("|4.查询笔记本库存现状|\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF4); printf("|5.查询目前销量最高的笔记本|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1);printf("|6.查询某品牌笔记本库存|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFD); printf("|7.笔记本销售|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF5); printf("|8.退出系统|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF8); printf("|9.格式化系统|\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("++\n");printf("Input:"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC);scanf("%d",&number); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); if(number==1)ADD(head); elseif(number==2)DELETe(head); elseif(number==3)CHANGE(head); elseif(number==4)FIND(head); elseif(number==5)HIGH(head); elseif(number==6)SEARCH(head); elseif(number==7)SELL(head); elseif(number==8)exit(0); elseif(number==9) { getchar();remove("SellRecord.txt"); printf("请按回车键退出系统，并重新启动程序\n"); getchar(); exit(0); } else { printf("未查到此编号，回车键退出系统！\n"); getchar(); getchar(); exit(0); }}voidCREAT(void){ structComputer*p1,*p2,*head=NULL,*p=NULL; FILE*fp; p1=p2=(structComputer*)malloc(LEN); printf("\n"); fp=fopen("SellRecord.txt","wb+");printf("·请按如下格式输入来添加笔记本销售信息：\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1); printf("产品名称产品品牌产品型号销售数量进价库存数量售价\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("·当输入产品名称为0时则为停止录入！\n\n"); printf("Input:"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); scanf("%s",p1->Name); while(p1->Name[0]!='0') { scanf("%s%s%d",p1->Brand,p1->Type,&p1->Sell_quantity); scanf("%f%d%f",&p1->Purchase_price,&p1->Remain_quantity,&p1->Sell_price); p1->total_money=p1->Sell_quantity*p1->Sell_price; if(head==NULL) head=p1; else p2->next=p1; p2=p1; p1=(structComputer*)malloc(LEN); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);printf("Input:");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); scanf("%s",p1->Name); } SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);fclose(fp); p2->next=NULL; free(p1);SAVE(head);}voidSAVE(structComputer*head){ structComputer*p; ints=0,k; FILE*fp; p=head; if((fp=fopen("SellRecord.txt","wb"))==NULL) { printf("未找到该信息！回车键退出程序\n"); getchar(); exit(0); } else { while(p!=NULL) { fwrite(p,LEN,1,fp); p=p->next; } fclose(fp); printf("保存成功！请按回车键继续！\n"); getchar(); getchar(); if((fp=fopen("SellRecord.txt","rb"))==NULL) { printf("未找到该信息！回车键退出程序\n"); getchar(); exit(0); } MENU();}}voidFIND(structComputer*head){ structComputer*p; system("CLS"); printf("\n");printf("请按回车键查看！");getchar();getchar(); p=head; if(head==NULL) { printf("未找到该信息！回车键退出程序\n"); getchar(); exit(0); } else { SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("++\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("|产品名称产品品牌产品型号销售数量进价库存数量售价金额|\n"); while(p!=NULL) { p->total_money=p->Sell_quantity*p->Sell_price; SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("++\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("|%-16s%-16s%-16s%-6d%-12.2f%-6d%-12.2f%-12.2f|\n",p->Name,p->Brand,p->Type,p->Sell_quantity,p->Purchase_price,p->Remain_quantity,p->Sell_price,p->total_money);p=p->next; } SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("++\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); } printf("请按回车键继续"); getchar(); MENU();}voidADD(structComputer*head){ structComputer*p1,*p2; FILE*fp; printf("\n");printf("·请按如下格式输入来新增一条笔记本销售信息：\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1); printf("产品名称产品品牌产品型号销售数量进价库存数量售价\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); p1=head; if(head==NULL) { printf("未找到该信息！回车键退出程序\n"); getchar(); exit(0); } else { while(p1->next!=NULL)p1=p1->next;p2=(structComputer*)malloc(LEN);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);printf("Input:");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); scanf("%s",p2->Name); printf("\n");scanf("%s%s%d",p2->Brand,p2->Type,&p2->Sell_quantity); scanf("%f%d%f",&p2->Purchase_price,&p2->Remain_quantity,&p2->Sell_price); p1->total_money=p1->Sell_quantity*p1->Sell_price; p1->next=p2; p2->next=NULL; }SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); fp=fopen("SellRecord.txt","wb+");fclose(fp); SAVE(head);}voidDELETe(structComputer*head){structComputer*p;charch1[100],ch2[100],ch3[100],flag=0;FILE*fp;p=head; printf("\n");printf("·请按如下格式输入来删除一条笔记本销售信息：\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1); printf("产品名称产品品牌产品型号\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);printf("Input:"); getchar(); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC);scanf("%s%s%s",ch1,ch2,ch3);printf("\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);if(strcmp(ch1,p->Name)==0&&strcmp(ch2,p->Brand)==0&&strcmp(ch3,p->Type)==0){head=p->next;flag=1;}else{while(p->next!=NULL){ if(strcmp(ch1,(p->next)->Name)==0&&strcmp(ch2,(p->next)->Brand)==0&&strcmp(ch3,(p->next)->Type)==0) { p->next=(p->next)->next;flag=1;} if(flag==1)break; p=p->next; } }if(flag==0)printf("未找到该信息！\n"); fp=fopen("SellRecord.txt","wb+");fclose(fp); SAVE(head);}voidCHANGE(structComputer*head){structComputer*p;charch1[100],ch2[100],ch3[100];inta,b,flag=0; floatc,d; FILE*fp;p=head; printf("\n");printf("请按如下格式输入来修改一条笔记本销售信息：\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1); printf("产品名称产品品牌产品型号销售数量(修改后)进价(修改后)库存数量(修改后)售价(修改后)\n\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("Input:");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC);scanf("%s%s%s%d%f%d%f",ch1,ch2,ch3,&a,&c,&b,&d);printf("\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0);while(p!=NULL){ if(strcmp(ch1,p->Name)==0&&strcmp(ch2,p->Brand)==0&&strcmp(ch3,p->Type)==0) { flag=1; p->Sell_quantity=a; p->Purchase_price=c; p->Remain_quantity=b; p->Sell_price=d; p->total_money=p->Sell_quantity*p->Sell_price; } if(flag==1)break; p=p->next; } if(flag==0)printf("未找到该信息！\n"); fp=fopen("SellRecord.txt","wb+");fclose(fp); SAVE(head);}voidHIGH(structComputer*head){ structComputer*p,temp; intmax; system("cls"); printf("\n"); getchar(); p=head; max=0; while(p!=NULL) { if(p->Sell_quantity>max) { temp=*p; max=p->Sell_quantity; } p=p->next; } p=head; printf("销售最多为");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC); printf("%d",max);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("台，品牌型号类型为:\n\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF1); while(p!=NULL) { if(p->Sell_quantity==max) printf("%-16s%-16s%-16s\n\n",p->Name,p->Brand,p->Type); p=p->next; } SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("\n"); printf("请按回车键继续"); getchar();MENU();}voidSEARCH(structComputer*head){structComputer*p;charch1[100];FILE*fp;system("cls");p=head; printf("\n");printf("·请输入要查询的笔记本品牌：\n\n"); printf("Input:"); getchar(); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xFC);scanf("%s",ch1);printf("\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("++\n"); SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF0); printf("|产品名称产品品牌产品型号销售数量进价库存数量售价金额|\n");while(p!=NULL){ if(strcmp(ch1,p->Brand)==0) { p->total_money=p->Sell_quantity*p->Sell_price; SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),0xF2); printf("++\n");SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE