c语言图书管理系统实验报告_c语言图书管理系统_c语言图书管理平台程序设计报告

#include <stdio.h>

#include <string.h>

#include<stdlib.h>

// 图书结构体

struct Book

{

intnum;

charClass[10];

charBookName[30];

charAuthor[30];

charPublishing[30];

intCount;

floatPrice;

}P[10];

int M = 10;//图书数量

char Head[200];

struct Book tmp;

// 菜单

void menu();

// 读取文件

void ReadFile();

// 按书名查询

void QryByBookName();

// 按作者查询

void QryByAuthor();

//按出版社排序

void anchubanshepaixu();

//按类型排序

void anzhongleipaixu();

// 图书总价

void tushuzongjia();

//图书的修改

void tushudexiugai();

//图书的借阅

void tushudejieyue();

void main()

{

int ind;

ReadFile();

while(ind<=8)

{

menu();

printf("请输入操作编号:");

scanf("%d",&ind);

switch(ind)

{

case 1: ReadFile();

break;

case 2: QryByBookName();

break;

case 3: QryByAuthor();

break;

case 4: anchubanshepaixu();

break;

case 5: anzhongleipaixu();

break;

case 6: tushuzongjia();

break;

case 7: tushudexiugai();

break;

case 8: tushudejieyue();

break;

case 9: printf("退出\n");

break;

default: printf("输入错误，请按菜单提示输入！");

break;

}

}

}

void menu()

{

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

printf(" 图书管理系统\n");

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

printf("|1.读取图书基本信息|\n");

printf("|2.按书名查查询|\n");

printf("|3.按作者名查询|\n");

printf("|4.按出版社排序|\n");

printf("|5.按类别排序|\n");

printf("|6.书籍总价|\n");

printf("|7.图书的修改|\n");

printf("|8.图书的阅览|\n");

printf("|9.退出|\n");

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

}

void ReadFile()

{

int i;

FILE *fp;

fp = fopen("CK0103.txt", "r");

if(fp == NULL)

{

printf("文件打开错误！");

return;

}

//标题栏

fgets(Head, 200, fp);

for(i = 0; i < M; i++)

{

fscanf(fp,"%d%s%s%s%s%d%f\n",&P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,&P[i].Count,&P[i].Price);

}

fclose(fp);

printf("%s", Head);

for(i =0; i < M; i++)

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

}

void QryByBookName()

{

char n[100];

int i,flag=0;

printf("输入书名：\n");

scanf("%s",n);

printf("%s",Head);

for(i=1;i<M;i++)

if(strcmp(n,P[i].BookName)==0)

{

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

flag=1;

}

if(flag==0)

printf("该书不存在！");

}

void QryByAuthor()

{

char n[100];

int i,flag=0;

printf("输入作者名字:\n");

scanf("%s",n);

printf("%s",Head);

for(i=0;i<M;i++)

if(strcmp(n,P[i].Author)==0)

{

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

flag=1;

}

if(flag==0)

printf("该书不存在！");

}

void QryByPublishing()

{

char n[100];

int i,flag=0;

printf("输入出版社名字:\n");

scanf("%s",n);

printf("%s",Head);

for(i=0;i<M;i++)

if(strcmp(n,P[i].Publishing)==0)

{

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

flag=1;

}

if(flag==0)

printf("该书不存在！");

}

void anzhongleipaixu()

{

int i,j,k;

for(i=0;i<M-1;i++)

{

k=i;

for(j=k+1;j<M;j++)

{

if(strcmp(P[k].Class,P[j].Class)>0)

k=j;

}

if(i!=k)

{

tmp=P[k];

P[k]=P[i];

P[i]=tmp;

}

}

printf("%s", Head);

for(i=0;i<M;i++)

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

}

void anchubanshepaixu()

{

int i,j,k;

for(i=0;i<M-1;i++)

{

for(j=i+1;j<M;j++)

{

if(strcmp(P[k].Publishing,P[j].Publishing)>0)

{

tmp=P[i];

P[i]=P[j];

P[j]=tmp;

}

}

}

printf("%s", Head);

for(i=0;i<M;i++)

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

}

void tushuzongjia()

{

int i;

float sum = 0;

FILE *fp;

fp = fopen("CK0103.txt", "w");

if(fp == NULL)

{

printf("文件打开错误！");

return;

}

//标题栏

fprintf(fp,"%s",Head);

for(i = 0; i < M; i++)

{

fprintf(fp,"%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

sum+=P[i].Count*P[i].Price;

}

printf("%s", Head);

for(i = 0; i < M; i++)

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

fprintf(fp," 总价 %-6.2f",sum);

fclose(fp);

printf(" 总价 %-6.2f",sum);

}

void tushudexiugai()

{

int i,flag=0;

int num,number;

FILE *fp;

printf("输入修改编号：");

scanf("%d",&num);

for(i=0;i<M;i++)

{

if(num==P[i].num)

{

printf("请输入修改后编号:");

scanf("%d",&number);

P[i].num=number;

}

}

printf("%s",Head);

for(i =0; i < M; i++)

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

fp = fopen("CK0103.txt", "w");

if(fp == NULL)

{

printf("文件打开错误！");

return;

}

//标题栏

fprintf(fp,"%s",Head);

for(i = 0; i < M; i++)

{

fprintf(fp,"%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n",P[i].num,P[i].Class,P[i].BookName,P[i].Author,P[i].Publishing,P[i].Count,P[i].Price);

}

fclose(fp);

}

void tushudejieyue()

{

int i, flag=0;

char BookName[20];

printf("\n请输入书名：\n");

scanf("%s", BookName);

for(i = 0; i < M; i++)

{

if(strcmp(BookName, P[i].BookName)==0)

{printf("\n借阅的书籍是：\n");

printf("%s", Head);

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n", P[i].num, P[i].Class, P[i].BookName, P[i].Author, P[i].Publishing, P[i].Count, P[i].Price);

P[i].Count--;

flag=1;

printf("\n借阅后书籍的状态是：\n");

printf("%s", Head);

printf("%-6d%-10s%-18s%-10s%-24s%-4d%-6.2f\n", P[i].num, P[i].Class, P[i].BookName, P[i].Author, P[i].Publishing, P[i].Count, P[i].Price);

}

}

if(flag==0)

{

printf("\n未找到指定书籍!");

}

printf("按y继续借阅：");

}

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