用C语言设计和实现一个“图书信息管理系统”，满足以下要求： 急急！！用数据结构和C语言（别使用C++） 编写图书信息管理...
C\u8bed\u8a00\u8bfe\u7a0b\u8bbe\u8ba1\u9898\u76ee\uff1a\u56fe\u4e66\u4fe1\u606f\u7ba1\u7406\u7cfb\u7edf\u8bbe\u8ba1\u6709\u505a\u597d\u7684\u6e90\u7a0b\u5e8f\uff0c\u539f\u521b\u7684\uff0c
\u672c\u4eba\u90ae\u7bb1\u957f\u671f\u5728\u7ebf\uff0c\u6709\u4ec0\u4e48\u4e0d\u61c2\u5f97\u53ef\u76f4\u63a5\u8be2\u95ee\u3002\u90ae\u7bb1\[email protected]
\u8fd9\u662f\u6211\u4ee5\u524d\u505a\u7684\u8bfe\u7a0b\u8bbe\u8ba1\uff0c\u6ca1\u6709\u4fee\u6539\u529f\u80fd\u3002\u4fee\u6539\u5f88\u597d\u505a\uff0c\u6211\u8fd9\u8fd8\u6709\u4e00\u4efd\u5b66\u751f\u7ba1\u7406\u4fe1\u606f\u7684\u6e90\u4ee3\u7801\uff0c\u80fd\u5b9e\u73b0\u4e0a\u8ff0\u5168\u90e8\u529f\u80fd\u3002\u7531\u4e8e\u6211\u73b0\u5728\u6b63\u5728\u5e2e\u5ba2\u6237\u505a\u4e2a\u7cfb\u7edf\uff0c\u6ca1\u65f6\u95f4\u6765\u5b8c\u5584\u8fd9\u4e2a\u7a0b\u5e8f\uff0c\u5e0c\u671b\u4f60\u81ea\u5df1\u80fd\u591f\u5b8c\u5584\u4e00\u4e0b\u3002
/*\u8bbe\u8ba1\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf\uff0c\u5bf9\u56fe\u4e66\u9986\u7684\u4e1a\u52a1\u8fdb\u884c\u7ba1\u7406*/
////////////////////////////////////////////////
//\u5185\u5bb9\uff1a\u8bbe\u8ba1\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf\uff0c\u5bf9\u56fe\u4e66\u9986\u7684\u4e1a\u52a1\u8fdb\u884c\u7ba1\u7406
//\u8981\u6c42\uff1a\u7528C\u8bed\u8a00\u53ca\u987a\u5e8f\u7ed3\u6784\u6765\u5b9e\u73b0\uff0c\u7cfb\u7edf\u5177\u6709\u5982\u4e0b\u529f\u80fd
//1\uff0e \u56fe\u4e66\u5165\u5e93\uff1a\u56fe\u4e66\u6570\u636e\u5305\u62ec\u56fe\u4e66\u4e66\u53f7\uff0c\u4e66\u540d\uff0c\u4f5c\u8005\uff0c\u6570\u91cf\uff0c\u5355\u4ef7\u7b49\uff0c\u4e00\u672c\u4e66\u4f5c\u4e3a\u4e00\u4e2a\u7ed3\u70b9\uff0c
//\u4ee5\u4e66\u53f7\u4e3a\u5173\u952e\u5b57\uff0c\u6309\u8f93\u5165\u7684\u987a\u5e8f\u5efa\u7acb\u987a\u5e8f\u8868
//2\uff0e\u6392\u5e8f\uff1a\u4ee5\u4e66\u53f7\u6309\u5347\u5e8f\u8fdb\u884c\u6392\u5e8f\uff08\u53ef\u4ee5\u4efb\u9009\u4e00\u79cd\u6392\u5e8f\u65b9\u6cd5\uff09
//3\uff0e\u67e5\u627e\uff1a\u80fd\u6309\u4e66\u540d\u3001\u4e66\u53f7\u8fdb\u884c\u67e5\u627e\uff08\u5206\u522b\u7528\u987a\u5e8f\u67e5\u627e\u548c\u6298\u534a\u67e5\u627e\u65b9\u6cd5\uff09
//4\uff0e\u5220\u9664\uff1a\u4ece\u8868\u4e2d\u5220\u9664\u6307\u5b9a\u7684\u56fe\u4e66
#include
#include
#include
#include
#define LIST_INIT_SIZE 50
#define LISTINCREMENT 10
typedef struct Book
{
int BookNum;/*\u56fe\u4e66\u4e66\u53f7*/
char BookName[50];/*\u56fe\u4e66\u4e66\u540d*/
char BookWrite[50];/*\u56fe\u4e66\u4f5c\u8005*/
float BookPrice; /*\u56fe\u4e66\u4ef7\u683c*/
int numbers ; /*\u56fe\u4e66\u6570\u91cf*/
}Book;
typedef struct Library_Data
{
Book *book;
int length;
int listsize;
int Num;
}Library_Data,*Lib_Data;
//\u663e\u793a\u6307\u5b9a\u7684\u4e00\u6761\u8bb0\u5f55
void print(Book p)
{
printf("\n********************************************************************\n");
printf("\u56fe\u4e66\u4e66\u53f7 \u56fe\u4e66\u4e66\u540d \u56fe\u4e66\u4f5c\u8005 \u56fe\u4e66\u6570\u91cf \u56fe\u4e66\u5355\u4ef7(\u5143)\n");
printf("--------------------------------------------------------------------\n");
printf("%-14d%-14s%-14s%-14d%-14f\n",p.BookNum,p.BookName,p.BookWrite,p.numbers,p.BookPrice);
printf("********************************************************************\n");
}
//\u67e5\u627e\u51fd\u6570
int find(Library_Data p,int Num,char s[20])
{
int i,low,mid,high;
if(Num==-1)
for(i=0;i<p.length;i++) /*\u987a\u5e8f\u67e5\u627e*/
{
if(strcmp(s,p.book[i].BookName)==0)
return i;
}
else if(strcmp(s,"")==0)
{
low=0;high=p.length;
while(low<=high) /*\u6298\u534a\u67e5\u627e*/
{
mid=(low+high)/2;
if(Num==p.book[mid].BookNum) return mid;
else if(Num>p.book[mid].BookNum) low=mid+1;
else high=mid-1;
}
}
return -1;
}
//\u5347\u5e8f\u6392\u5e8f
Library_Data Sort_Book(Library_Data &p)
{
Book p0;
int i,j;
if(p.Num==0) return p;
for(i=0;i<p.length;i++)
{
for(j=i+1;j<p.length;j++)
{
if(p.book[i].BookNum>p.book[j].BookNum)
{
p0=p.book[i];
p.book[i]=p.book[j];
p.book[j]=p0;
}
}
}
return p;
}
//\u56fe\u4e66\u521d\u59cb\u5316
void Create_Data(Library_Data &p1)
{
int i=0;
Book *newbase;
system("cls");
printf("\u73b0\u5728\u5bf9\u56fe\u4e66\u8fdb\u884c\u521d\u59cb\u5316\n");
puts("***********************************");
p1.Num=0;p1.length=0;
p1.listsize=LIST_INIT_SIZE;
p1.book=(Book *)malloc(LIST_INIT_SIZE*sizeof(Book));
do
{
if(p1.length>p1.listsize)
{
newbase=(Book *)realloc(p1.book,(p1.listsize+LISTINCREMENT)*sizeof(Book));
if(!newbase) exit(0);
p1.book=newbase;
p1.listsize+=LISTINCREMENT;
}
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4e66\u53f7\uff1a");
scanf("%d",&p1.book[i].BookNum);
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4e66\u540d\uff1a");
scanf("%s",&p1.book[i].BookName);
printf("\u8f93\u5165\u56fe\u4e66\u4f5c\u8005: ");
scanf("%s",&p1.book[i].BookWrite);
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u6570\u91cf\uff1a");
scanf("%d",&p1.book[i].numbers);
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4ef7\u683c\uff1a");
scanf("%f",&p1.book[i].BookPrice);
p1.Num+=p1.book[i].numbers;i++;p1.length++;
printf("***********************************\n");
printf(" \u6309 n \u9000\u51fa\uff0c\u6309\u522b\u7684\u7ee7\u7eed\u3002\n"); /*\u63d0\u793a\u5982\u4f55\u7ee7\u7eed\u3001\u9000\u51fa*/
printf("***********************************\n");
}while(getch()!='n');
Sort_Book(p1);
}
//\u67e5\u627e\u56fe\u4e66
int Find_Book(Library_Data p,int n)
{
char name[20]="";
int k,Num=-1;
if(p.Num==0)
{
system("cls");
printf("\u73b0\u65e0\u56fe\u4e66\u8bb0\u5f55! ");
return 0;
}
else if(n==1)
{
system("cls"); /*\u6e05\u5c4f*/
printf("\u73b0\u5728\u662f\u5bf9\u56fe\u4e66\u4fe1\u606f\u8fdb\u884c\u67e5\u627e");
printf("\n*********************************************\n");
printf("\u8bf7\u8f93\u5165\u4f60\u8981\u67e5\u627e\u7684\u56fe\u4e66\u4e66\u540d:");
scanf("%s",name);
k=find(p,Num,name); /*\u8c03\u7528find()\u67e5\u627e\u51fd\u6570*/
if(k!=-1) /*\u6761\u4ef6\u6ee1\u8db3\u6267\u884c\u4e0b\u9762\u51fd\u6570*/
print(p.book[k]);
else
printf("\n \u6ca1\u6709\u627e\u5230\u4f60\u8981\u627e\u7684\u56fe\u4e66\u4fe1\u606f.\u6309\u4efb\u610f\u952e\u7ee7\u7eed\u3002");
}
else if(n==2)
{
system("cls"); /*\u6e05\u5c4f*/
printf("\u73b0\u5728\u662f\u5bf9\u56fe\u4e66\u4fe1\u606f\u8fdb\u884c\u67e5\u627e");
printf("\n*********************************************\n");
printf("\u8bf7\u8f93\u5165\u4f60\u8981\u67e5\u627e\u7684\u56fe\u4e66\u4e66\u53f7:");
scanf("%d",&Num);
k=find(p,Num,name); /*\u8c03\u7528find()\u67e5\u627e\u51fd\u6570*/
if(k!=-1) /*\u6761\u4ef6\u6ee1\u8db3\u6267\u884c\u4e0b\u9762\u51fd\u6570*/
print(p.book[k]);
else
printf("\n \u6ca1\u6709\u627e\u5230\u4f60\u8981\u627e\u7684\u56fe\u4e66\u4fe1\u606f.\u6309\u4efb\u610f\u952e\u7ee7\u7eed\u3002");
}
else
printf("\u4f60\u7684\u9009\u62e9\u6709\u8bef\uff01");
return 1;
}
//\u63d2\u5165\u56fe\u4e66
void add(Library_Data &p0)
{
int i,k,low,mid,high;
Book p1,*p2,*p3,*newbase;
system("cls");
if(p0.Num==0)
printf("\u56fe\u4e66\u4fe1\u606f\u8868\u8fd8\u6ca1\u6709\u521d\u59cb\u5316,\u9700\u8981\u5bf9\u56fe\u4e66\u4fe1\u606f\u8868\u8fdb\u884c\u521d\u59cb\u5316\u540e\u624d\u80fd\u8fdb\u884c\u63d2\u5165\u3002\n");
else
{
if(p0.length>=p0.listsize-1)
{
newbase=(Book *)realloc(p0.book,(p0.listsize+LISTINCREMENT)*sizeof(Book));
if(!newbase) exit(0);
p0.book=newbase;
p0.listsize+=LISTINCREMENT;
}
printf("\u8bf7\u8f93\u5165\u5f85\u63d2\u5165\u56fe\u4e66\u4fe1\u606f:\n");
printf("*********************************************\n");
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4e66\u53f7\uff1a");
scanf("%d",&p1.BookNum);
printf("*********************************************\n");
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4e66\u540d\uff1a");
scanf("%s",&p1.BookName);
printf("*********************************************\n");
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4f5c\u8005\uff1a");
scanf("%s",&p1.BookWrite);
printf("*********************************************\n");
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u6570\u91cf\uff1a");
scanf("%d",&p1.numbers);
printf("*********************************************\n");
printf("\u8bf7\u8f93\u5165\u56fe\u4e66\u4ef7\u683c\uff1a");
scanf("%f",&p1.BookPrice);
printf("*********************************************\n");
low=0;high=p0.length;
if(p1.BookNum<p0.book[0].BookNum)
{
for(p2=&p0.book[p0.length];p2>=&p0.book[0];p2--)
*(p2+1)=*p2;
p0.book[0]=p1;
p0.Num+=p1.numbers;p0.length++;
}
else if(p1.BookNum>p0.book[p0.length-1].BookNum)
{
p0.book[p0.length]=p1;
p0.Num+=p1.numbers;p0.length++;
}
else
{
for(i=0;i<p0.length;i++)
if(p1.BookNum>=p0.book[i].BookNum && p1.BookNum<p0.book[i+1].BookNum) break;
for(p2=&p0.book[p0.length];p2>&p0.book[i];p2--)
*(p2+1)=*p2;
p0.book[i+1]=p1;
p0.Num+=p1.numbers;p0.length++;
}
}
}
//\u5220\u9664\u56fe\u4e66
void Delete_Book(Library_Data &LD,int n)
{
system("cls");
char name[20]="";
char a;
int i=0,k=0,Num=-1;
Book *p1,*p2;
if(LD.Num==0)
printf("\u73b0\u65e0\u56fe\u4e66\u8bb0\u5f55! ");
else
{
printf("\u8fdb\u884c\u56fe\u4e66\u4fe1\u606f\u5220\u9664");
printf("\n*********************************************\n");
if(n==1)
{
printf("\u8bf7\u8f93\u5165\u5f85\u5220\u9664\u56fe\u4e66\u4e66\u540d:"); /*\u63d0\u793a\u8f93\u5165\u8981\u5220\u9664\u7684\u56fe\u4e66\u4e66\u540d*/
scanf("%s",name);
printf("\u662f\u5426\u5220\u9664\u6240\u6709\u540c\u540d\u7684\u56fe\u4e66\uff1f\u201cy\u201d\u662f\uff0c\u5176\u4ed6\u952e\u53ea\u5220\u9664\u7b2c\u4e00\u4e2a\uff1a");
if(getch()=='y') /*\u5220\u9664\u6240\u6709\u540c\u540d\u56fe\u4e66\u4fe1\u606f*/
{
for(i=0;i<LD.length;i++)
{
if(strcmp(name,LD.book[i].BookName)==0)
{
p2=&LD.book[LD.length-1];
LD.Num-=LD.book[i].numbers;
for(p1=&LD.book[i];p1<=p2;p1++)
*p1=*(p1+1);
LD.length--;k=1;i=-1;
}
}
if(k==0) printf("\n\u6ca1\u6709\u4f60\u8981\u5220\u9664\u7684\u8bb0\u5f55\n");
else printf("\n\u6240\u6709\u56fe\u4e66\u540d\u4e3a%s\u7684\u4fe1\u606f\u5df2\u88ab\u5220\u9664!\n",name); /*\u663e\u793a\u5df1\u88ab\u5220\u9664\u7684\u4fe1\u606f*/
}
else
{
i=find(LD,Num,name);
if(i==-1) printf("\n\u6ca1\u6709\u4f60\u8981\u5220\u9664\u7684\u8bb0\u5f55\n");
else /*\u5220\u9664\u7b2c\u4e00\u672c\u76f8\u540c\u7684\u56fe\u4e66\u4fe1\u606f*/
{
p2=&LD.book[LD.length-1];
LD.Num-=LD.book[i].numbers;
for(p1=&LD.book[i];p1<=p2;p1++)
*p1=*(p1+1);
printf("\n\u56fe\u4e66\u53f7\u4e3a%s\u7684\u4fe1\u606f\u5df2\u88ab\u5220\u9664!\n",name); /*\u663e\u793a\u5df1\u88ab\u5220\u9664\u7684\u4fe1\u606f*/
LD.length--;
}
}
}
else if(n==2)
{
printf("\u8bf7\u8f93\u5165\u5f85\u5220\u9664\u56fe\u4e66\u4e66\u53f7:"); /*\u63d0\u793a\u8f93\u5165\u8981\u5220\u9664\u7684\u56fe\u4e66\u4e66\u53f7*/
scanf("%d",&Num);
i=find(LD,Num,name);
if(i==-1) printf("\u6ca1\u6709\u4f60\u8981\u5220\u9664\u7684\u8bb0\u5f55\n");
else
{
p2=&LD.book[LD.length-1];
LD.Num-=LD.book[i].numbers;
for(p1=&LD.book[i];p1<=p2;p1++)
*p1=*(p1+1);
printf("\u56fe\u4e66\u53f7\u4e3a%d\u7684\u4fe1\u606f\u5df2\u88ab\u5220\u9664!\n",Num); /*\u663e\u793a\u5df1\u88ab\u5220\u9664\u7684\u4fe1\u606f*/
LD.length--;
}
}
else
printf("\u4f60\u7684\u9009\u62e9\u6709\u8bef\uff01");
}
}
//\u663e\u793a\u6240\u6709\u56fe\u4e66\u4fe1\u606f
void ShowBookTable(Library_Data p,int n)
{
int i;
system("cls");
if(n==0)
printf("\u73b0\u65e0\u56fe\u4e66\u8bb0\u5f55! ");
else
{
printf("\u73b0\u5728\u6709%d\u672c\u56fe\u4e66\u7684\u4fe1\u606f\u3002",n);
printf("\n**********************************************************************\n");
printf("\u56fe\u4e66\u4e66\u53f7 \u56fe\u4e66\u4e66\u540d \u56fe\u4e66\u4f5c\u8005 \u56fe\u4e66\u6570\u91cf \u56fe\u4e66\u5355\u4ef7\uff08\u5143\uff09\n");
for(i=0;i<p.length;i++)
{
printf("----------------------------------------------------------------------\n");
printf("%-14d%-14s%-14s%-14d%-14f\n",p.book[i].BookNum,p.book[i].BookName,p.book[i].BookWrite,p.book[i].numbers,p.book[i].BookPrice);
}
printf("**********************************************************************\n");
}
}
//\u83dc\u5355\u51fd\u6570
int menu_select() /*\u5b9a\u4e49\u83dc\u5355\u51fd\u6570*/
{
int c;
printf("\u6309\u4efb\u610f\u952e\u8fdb\u5165\u9009\u62e9\u83dc\u5355\u2026\u2026\n"); /*\u63d0\u793a\u538b\u4efb\u610f\u952e\u7ee7\u7eed*/
getch(); /*\u8bfb\u5165\u4efb\u610f\u5b57\u7b26*/
system("cls"); /*\u6e05\u5c4f*/
printf("********************\u83dc\u5355\u9009\u9879\u5982\u4e0b****************\n\n"); /*\u4ee5\u4e0b\u4e3a\u4e3b\u83dc\u5355*/
printf(" 1. \u521d\u59cb\u5316\u56fe\u4e66\u4fe1\u606f\u8868\n");
printf(" 2. \u663e\u793a\u5168\u90e8\u56fe\u4e66\u8bb0\u5f55\n");
printf(" 3. \u67e5\u627e\u56fe\u4e66\u8bb0\u5f55\n");
printf(" 4. \u5220\u9664\u56fe\u4e66\u8bb0\u5f55\n");
printf(" 5. \u63d2\u5165\u65b0\u8bb0\u5f55\n");
printf(" 6. \u9000\u51fa\u7cfb\u7edf\n");
printf("***********************************************\n");
do{
printf("\n \u8f93\u5165\u60a8\u7684\u9009\u62e9(1~6):"); /*\u63d0\u793a\u8f93\u5165\u9009\u9879*/
scanf("%d",&c); /*\u8f93\u5165\u9009\u62e9\u9879*/
if(!(c>=1&&c<=6))
{printf(" \u4f60\u7684\u8f93\u5165\u6709\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\u2026\u2026");}
}while(c6); /*\u9009\u62e9\u9879\u4e0d\u57280~6\u4e4b\u95f4\u91cd\u8f93*/
return c; /*\u8fd4\u56de\u9009\u62e9\u9879\uff0c\u4e3b\u7a0b\u5e8f\u6839\u636e\u8be5\u6570\u8c03\u7528\u76f8\u5e94\u7684\u51fd\u6570*/
}
void main()
{
Library_Data LD;
LD.Num=0;
int n,m;
for(;;) /*\u65e0\u9650\u5faa\u73af*/
{
switch(menu_select())
{
case 1:Create_Data(LD);break; /*\u521d\u59cb\u56fe\u4e66\u751f\u4fe1\u606f*/
case 2:ShowBookTable(LD,LD.Num);break; /*\u663e\u793a\u5168\u90e8\u56fe\u4e66\u4fe1\u606f*/
case 3:
printf("\u8bf7\u4f60\u9009\u62e9\u67e5\u627e\u65b9\u5f0f\uff08\u201c1\u201d\u4e3a\u6309\u4e66\u540d\u67e5\u627e\uff0c\u201c2\u201d\u4e3a\u6309\u4e66\u53f7\u67e5\u627e\uff09\uff1a");
scanf("%d",&n);
Find_Book(LD,n);break; /*\u67e5\u627e\u56fe\u4e66\u4fe1\u606f*/
case 4:
printf("\u8bf7\u4f60\u9009\u62e9\u5220\u9664\u65b9\u5f0f\uff08\u201c1\u201d\u4e3a\u6309\u4e66\u540d\u5220\u9664\uff0c\u201c2\u201d\u4e3a\u6309\u4e66\u53f7\u5220\u9664\uff09\uff1a");
scanf("%d",&m);
Delete_Book(LD,m);break; /*\u5220\u9664\u56fe\u4e66\u4fe1\u606f*/
case 5:add(LD);break; /*\u63d2\u5165\u56fe\u4e66\u4fe1\u606f*/
case 6:exit(0); /*\u7ed3\u675f\u7a0b\u5e8f*/
}
}
}
typedef struct book //联系人数据结构
{ char no[20]; //序号 char book_name[20]; // 书名 char writer[30]; //作者名 char booknum[20]; //书籍分类 char press[20]; //出版单位 char price[10]; //书籍价格 }BOOK;BOOK b[MAXLEN];
typedef struct index{ int len; //数组长度 BOOK b[MAXLEN]; //指针数组}Index;
int Select();int Menu(void);int SubMenu2(void);int SubMenu4(void);int addbook(BOOK b[]);int output(BOOK b[]);int deletebook(BOOK b[]);void printno(BOOK b[]);int modifyIndo(BOOK b[]);int Save(BOOK b[]); int loaddata(BOOK b[]);int Copy(void);void New(BOOK b[]);int Load(BOOK b[]);void List(BOOK b[]);//void findbook(char *name,BOOK b[],char *key);
#include<stdio.h>#include<stdlib.h>#include<conio.h>#include<string.h>#include<memory.h>int main(int argc, char* argv[]){ int select=0;
/*int select;用户所选的菜单项代码： 主菜单：1 查找图书信息、2 更新图书信息 、3 备份图书信息、0 退出程序 更新图书信息子菜单：21 新增图书信息、 22 编辑图书信息、 23 删除图书信息、 20 返回主菜单 查看图书信息子菜单：11 图书信息库 、12书名查找、13 作者名查找、14 序号查找 */
BOOK b[MAXLEN]; memset(b,0,sizeof(b)); //将b初始化为空，memory.h loaddata(b); //从图书库文件中读取信息 //循环显示菜单，供用户选择 do{
if(select<10||select==20||select==40) select=Menu(); else if(select>20 && select<30) select=SubMenu2(); else if(select>40 && select<50) select=SubMenu4(); switch(select) { case 11:// 图书信息库 break; case 12://书名查找 break;
case 13://作者名查找 break; case 14://类别查找 break;
case 21://新增图书信息、 break; case 22://编辑图书信息、 break; case 23://删除图书信息、 break; case 20://返回主菜单 break; case 3: system("cls"); Save(b); Copy(); break; case 0://退出程序 break; } }while(select!=0); return 0;}
int SubMenu4(void){ char menu; do{ system("cls");//清屏，需要使用到stdlib.h puts("\n\t======更新图书信息======\n"); puts("\t 1.新增图书信息"); puts("\t 2.删除图书信息"); puts("\t 3.编辑图书信息"); puts("\t 0.返回主菜单"); puts("\n\t=================="); printf("\t请选择:");//提示选择 menu=getche(); switch(menu) { case '0': puts("\n\n\t返回主菜单!"); break; case '1': addbook(b); break; case '2': deletebook(b); break; case '3': modifyIndo(b); break; default: puts("\n\n\t选择错误!"); menu='9'; } }while(menu=='9'); return 40+menu-'0';}
void New(BOOK b[]){ int t=0; //找到BOOK中第一个空的位置，存放新输入 if(LEN>=MAXLEN) { printf("\n\n\t图书库已满!"); return ; }
while(strcmp(b[t].book_name,"")!=0) //找到b中第一个空的位置t t++; addbook(b); //新增,输入 LEN++; //增1}
int modifyIndo(BOOK b[])//编辑图书信息{ char no[20]; int i; printno(b);again: printf("\n请输入你想要编辑的书籍编号："); fflush(stdin); gets(no); for(i=0;i<=count;i++) { if(strcmp(no,b[i].no)==0) break; } if(i>count) { printf("对不起，你输入的编号不存在，是否继续？Y/N:"); if((getchar()=='Y')||(getchar()=='y')) goto again; else return 0; } printf("\n正在修改《%s》的信息……\n",b[i].book_name); printf("请输入图书的名字："); gets(b[i].book_name); printf("请输入图书的作者名："); gets(b[i].writer); printf("请输入书籍类别："); gets(b[i].booknum); printf("请输入书籍的出版单位："); gets(b[i].press); printf("请输入书籍的价格："); gets(b[i].price); printf("\n图书信息编辑成功！\n");
}
void printno(BOOK b[]){ int i; printf("\n当前库存中的书籍目录：\n"); for( i=0;i<=count;i++) { printf("%s %s ",b[i].no,b[i].book_name); if(i%3==0&&i>0) printf("\n"); }}
int output(BOOK b[]) //输出图书信息{ if(count<0) { printf("对不起，当前图书数量为0\n"); return 0; } for(int i=0;i<=count;i++) { printf("\n*************************书籍信息*****************************\n"); printf("序号：%s\n",b[i].no); printf("书名：%s\n",b[i].book_name); printf("作者名：%s\n",b[i].writer); printf("书籍类别：%s\n",b[i].booknum); printf("出版单位：%s\n",b[i].press); printf("书籍价格：%s\n",b[i].price); } return 1; }
int deletebook(BOOK b[]) { char no[20]; int i; printno(b);loop: printf("\n请输入你要删除的书籍编号："); fflush(stdin); gets(no); for(i=0;i<=count;i++) { if(strcmp(no,b[i].no)==0) break; } if(i>count) { printf("对不起，你输入的编号不存在，是否继续？Y/N:"); if((getchar()=='Y')||(getchar()=='y')) goto loop; else return 0; } printf("您确定要删除《%s》吗？Y/N:",b[i].book_name); if((getchar()=='Y')||(getchar()=='y'))
{ if(i==count) { count--; } else { for(;i<=count;i++) { b[i]=b[i+1]; count--; }
}
} else return 0; }
int loaddata(BOOK b[]){ int i=0; //i:b数组的下标 FILE *fp=fopen(fName,"r"); if(!fp) { printf("\n\t对不起，路径或者文件错误，无法读入！请重新增加！"); getch(); return 0; } fscanf(fp,"书籍编号\t书名\t作者\t类别\t出版单位\t价格"); while((!feof(fp))) { fscanf(fp,"\n%s\t%s\t%s\t%s\t%s\t%s",&b[i].no,&b[i].book_name,&b[i].writer,&b[i].booknum,&b[i].press,&b[i].price); i++; } count=i; fclose(fp); printf("加载成功！！"); return 1;}
int Select(){ int i=0; int c; //c:scanf输入的返回值，输入成功返回1；否则返回0 printf("\n\t请按需要选择图书信息："); c=scanf("%d",&i); while(i<1 || i>LEN) { printf("\n\t输入错误！请按序号选择图书信息："); if(c==0) fflush(stdin); c=scanf("%d",&i); } return i-1;} int addbook(BOOK b[]) //增加图书信息{ int i=0; char c; printf("\n*******************************新增图书信息****************************\n"); for(;;i++) { if(i>=MAXLEN) { printf("\n对不起，库存已满！不能继续添加。"); } printf("请输入图书的序号："); gets(b[i].no); printf("请输入图书的名字："); gets(b[i].book_name); printf("请输入图书的作者名："); gets(b[i].writer); printf("请输入书籍类别："); gets(b[i].booknum); printf("请输入书籍的出版单位："); gets(b[i].press); printf("请输入书籍的价格："); gets(b[i].price); printf("图书增加成功！\n"); printf("请问您要继续添加书籍信息吗？(Y/N): "); c=getchar(); if(c=='Y'||c=='y') { getchar(); printf("\n"); continue; } else break; } count=i; return i;
}//查重。int Duplicate(char *name,BOOK b[],char *original){ int i,j; int dup=0; //重复标志：1 重复 ，0 没有重复 if(strcmp(name,original)!=0) for(i=0,j=0;j<LEN;) { while(strcmp(b[i].book_name,"")==0) i++;
if(strcmp(name,b[i].book_name) ==0) { dup=1; printf("\n\t重复！请重新输入:"); break; } i++; j++; } return dup; }int SubMenu2(void){ char menu,*name; do{ system("cls"); //清屏，需要使用到stdlib.h puts("\n\t======查找图书信息======\n"); puts("\t 1.图书信息库"); puts("\t 2.书名查找"); puts("\t 3.作者名查找"); puts("\t 4.序号查找"); puts("\t 0.返回主菜单"); puts("\n\t=================="); printf("\t请选择:"); //提示选择 menu=getche(); switch(menu) { case '0': puts("\n\n\t返回主菜单!"); break; case '1': output(b); getch(); break; case '2': //findbook(name,b,key); getch(); break; case '3': case '4': printno(b); break; default: puts("\n\n\t选择错误!"); menu='9'; } }while(menu=='9'); return 20+menu-'0';}
int Menu(void){ char menu; do{ system("cls"); puts("\n\t======主菜单======\n"); puts("\t 1.查找图书信息"); puts("\t 2.更新图书信息"); puts("\t 3.备份图书信息"); puts("\t 0.退出程序"); puts("\n\t=================="); printf("\t请选择:"); //提示选择 menu=getche(); switch(menu) //将用户输入的选项menu转换成系统定义的菜单代码 {
case '0': puts("\n\n\t退出程序!"); menu=menu-'0'; break;
case '2': menu=SubMenu4();
break; case '3': menu=menu-'0';
break; case '1': menu=SubMenu2();
break; default: puts("\n\n\t选择错误!"); menu='9'; //输入了无效的菜单代码，需要重新输入 } }while(menu=='9'); return menu;}
int Load(BOOK b[]){ FILE *fin; int i=0; fin=fopen(fName,"rb"); if(!fin) { printf("\n\t书籍信息不存在，请先新增加图书信息!\n\n按任意键继续……"); getch(); return 0; } while(1) { fread(&b[i],sizeof(BOOK),1,fin); if(feof(fin)) break; i++; } fclose(fin); LEN=i; return i;
}
int Save(BOOK b[])//存入文件 {
int i; //i:b数组的下标 FILE *fp=fopen(fName,"w"); if(!fp) { printf("\n\t不能正确保存书籍信息!按任意键继续……"); getch(); return 0; } fprintf(fp,"书籍编号\t书名\t作者\t类别\t出版单位\t价格"); for( i = 0; i <=count; i++) { fprintf(fp,"\n%s\t%s\t%s\t%s\t%s\t%s",b[i].no,b[i].book_name,b[i].writer,b[i].booknum,b[i].press,b[i].price); } fclose(fp); printf("保存成功！！"); return 1;}
int Copy(void) //备份图书信息,复制图书信息文件{ FILE *fout,*fin; BOOK *p=(BOOK *)malloc(sizeof(BOOK)); //存放从图书信息库读入的临时数据 char name[20];
fin=fopen(fName,"rb"); if(!fin) { printf("\n\t没有此图书信息!"); return 0; }
do{ printf("\n\t请输入备份文件名:"); scanf("%s",name); strcat(name,".bak"); fout=fopen(name,"wb"); if(!fout) printf("\t无效文件名或路径!\n"); }while(!fout);
while(1) { fread(p,sizeof(BOOK),1,fin); if(feof(fin)) break; fwrite(p,sizeof(BOOK),1,fout); }
printf("\n\t备份成功!"); free(p); return 1;}
void findbook(char *name,BOOK b[],char *key){
int i,j; //i:数组下标 j:除姓名为空串以外的实际人数 int dup=0; printf("请输入您需要查找图书信息的书名："); scanf("%s",name); if(strcmp(name,key)!=0) for(i=0,j=0;j<LEN;) { while(strcmp(b[i].book_name ,"")==0) i++; if(strcmp(name,b[i].book_name) ==0) { dup=1; printf("\n%s\t%s\t%s\t%s\t%s\t%s",&b[i].no,&b[i].book_name,&b[i].writer,&b[i].booknum,&b[i].press,&b[i].price); } }}
帮你搞定图书信息管理系统
Q我就可以了
原创
绛旓細cerr<<"open file_people fail"<<endl;exit(-1);} file_b<<*ibp<<endl;file_b.close();}
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