C语言图书标准管理系统源代码

/*需要在源代码相同目录下创建四个txt文件：tushu_list.txt,jieshu_list.txt,xuesheng_list.txt,guanliyuan.txt*/#include<stdio.h>#include<stdlib.h>#include<string.h>structtushu{/*图书结构体*/ charnum[11];/*编号*/ charname[31];/*书名*/ charwriter[21];/*作者*/ charpress[21];/*出版社*/ charkind[21];/*类别*/ doubletime;/*时间*/ doubleprice;/*价格*/ structtushu*next;};structstu/*学生结构体*/{ intsnum;/*学号*/ charmima[11];/*密码*/structstu*next;};structjieshu{/*借书信息结构体*/ intxuehao; /*学生学号*/ charnum[11];/*编号*/ charname[31];/*书名*/ charwriter[21];/*作者*/ charpress[21];/*出版社*/ charkind[21];/*类别*/ doubletime;/*时间*/ doubleprice;/*价格*/ structjieshu*next;};intdenglu=-1; /*已登录学生学号*/FILE*fp; /*图书文件*/FILE*fp1; /*管理员信息文件*/FILE*fp2; /*学生信息文件*/FILE*fp3;/*借书信息文件*/intmain(); /*主函数申明*/structtushu*create(); /*从文件创建图书链表（从文件中读出图书信息，建立单链表）*/structstu*xcreate(); /*从文件创建学生信息(从文件读出学生信息，建立学生链表)*/structjieshu*jcreate(); //从文件创建借书信息链表structjieshu*borrowcreate(structtushu*k,structjieshu*h);//直接创建借书信息链表structtushu*Input(); /*图书添加（可进行图书添加）*/voidmenu(); /*管理员主菜单（管理员进入对图书及学生信息进行管理操作）*/voidxmenu(); /*学生主菜单（学生进入可对图书，密码进行操作）*/voidgfind(); /*管理员查询（管理员可按一定方法查询图书）*/voidxfind(); /*学生查询（学生可按一定方法查询图书）*/voidsecret(); /*管理员权限（管理员登陆所用，输入错误次数过多自动退出）*/voidsort(structtushu*head); /*排序（管理员可按一定方法对图书进行排序，排序完以后可选择文件进行保留）*/voidfprint(structtushu*head); /*保留(可追加保留，如添加可用)*/voidjsprint(structjieshu*h);//将借书信息添加到借书文件voidjfprint_(structtushu*head); /*借书保留（借书成功以后自动从图书馆删除）*/voidfprint_(structtushu*head); /*保留（可覆盖保留如修改，删除，排序后用）*/voidgBrowse(structtushu*head); /*管理员浏览（对图书进行遍历）*/voidxBrowse(structtushu*head); /*学生浏览（学生对图书进行遍历）*/voidcount(structtushu*head); /*统计数量（管理员可对图书进行统计）*/voidFindofname(structtushu*head); /*按书名查找*/voidFindofwriter(structtushu*head); /*按作者查找*/voidFindofkind(structtushu*head); /*按类别查找*/voidxFindofname(structtushu*head); /*学生按书名查找*/voidxFindofwriter(structtushu*head);/*学生按作者查找*/voidxFindofkind(structtushu*head); /*学生按类别查找*/voidSort_time(structtushu*head); /*按时间排序（管理员按时间对图书进行排序，排序完以后可选择文件进行保留）*/voidSort_price(structtushu*head); /*按价格排序*/voidSort_num(structtushu*head);/*按编号排序*/voidDelete(structtushu*head,charm[15]);/*按编号删除（管理员可按编号删除图书）*/voidRevise(structtushu*head); /*修改 （管理员可对图书进行修改，并选择是否保留）*/voidborrow(structtushu*head); /*借书*/voidhuanshu(structtushu*head); /*还书（学生借完书以后进行还书，若没有图书则不能借）*/voidgxinxi(); /*管理员信息（有管理员账号及密码，可进行修改）*/voidxmima(structstu*head1); /*学生密码修改（学生可对自己密码进行修改）*/voidxsecret(structstu*head1); /*学生权限（学生登陆所用）*/voidjsdelete(structjieshu*h); //学生还书时删除借书统计voidputin(jieshu*h);//将还书信息加入图书文件/*-------------------------------------------------------------------------------------------------------------------*/voidmenu()/*管理员主菜单（管理员进入对图书及学生信息进行管理操作）*/{ intchoice,n=0; structtushu*head; structstu*head1,*p; charm[15];there: printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf("┃┃图书管理系统┃┃\n"); printf("┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"); printf("┃●[0]退出系统┃\n"); printf("┃┃\n"); printf("┃●[1]返回主菜单┃\n"); printf("┃┃\n"); printf("┃●[2]浏览图书┃\n"); printf("┃┃\n"); printf("┃●[3]统计图书数目┃\n"); printf("┃┃\n"); printf("┃●[4]查询┃\n"); printf("┃┃\n"); printf("┃●[5]添加┃\n"); printf("┃┃\n"); printf("┃●[6]排序┃\n"); printf("┃┃\n"); printf("┃●[7]修改┃\n"); printf("┃┃\n"); printf("┃●[8]删除┃\n"); printf("┃┃\n"); printf("┃●[9]修改账号及密码┃\n"); printf("┃┃\n"); printf("┃●[10]学生信息┃\n"); printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"); printf("请选择:"); fflush(stdin); head=create(); scanf("%d",&choice); if(choice==1) { system("cls"); printf("\n\n\n\t\t您已退出登录！\n\n\n\n"); system("pause"); main(); } elseif(choice==2) { system("cls"); if(head==NULL) { printf("没有图书，请先添加图书！\n"); system("pause"); system("cls"); menu(); } gBrowse(head); } elseif(choice==3) { system("cls"); count(head); } elseif(choice==4) { system("cls"); if(head==NULL) { printf("没有图书，请先添加图书！\n"); system("pause"); system("cls"); menu(); } gfind(); } elseif(choice==5) { Input(); } elseif(choice==6) { system("cls"); if(head==NULL) { printf("没有图书，请先添加图书！\n"); system("pause"); system("cls"); menu(); } sort(head); } elseif(choice==7) { system("cls"); if(head==NULL) { printf("没有图书，请先添加图书！\n"); system("pause"); system("cls"); menu(); } Revise(head); } elseif(choice==8) { if(head==NULL) { printf("没有图书，请先添加图书！\n"); system("pause"); system("cls"); menu(); } printf("请输入想要删除图书编号："); scanf("%s",m); Delete(head,m); } elseif(choice==9) { gxinxi(); } elseif(choice==10) { system("cls"); head1=xcreate(); if(head1==NULL) { printf("没有学生信息,请到xuesheng_list.txt添加!\n"); system("pause"); system("cls"); menu(); } printf("学生学号密码\n"); for(p=head1;p!=NULL;p=p->next) { printf("%-10d%-10s\n",p->snum,p->mima); } system("pause"); system("cls"); menu(); } elseif(choice==0) { system("cls"); printf("\n\n\n\n"); printf("━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n\n\n"); exit(0); } else { system("cls"); printf("\n\n\n\n━━━━输入错误，请重新输入！━━━━\n\n\n"); system("pause"); system("cls"); n++; if(n==3) { printf("\n\n\n━━━━━━━━你错误次数太多，自动退出!━━━━━━━━\n\n\n"); printf("━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n"); system("pause"); exit(0); } gotothere; }}//-----------------voidxmenu()/*学生主菜单（学生进入可对图书，密码进行操作）*/{ structtushu*head; structstu*head1; intchoice,n=0;there: printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf("┃┃图书借阅系统┃┃\n"); printf("┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"); printf("┃●[0]退出系统┃\n"); printf("┃┃\n"); printf("┃●[1]返回主菜单┃\n"); printf("┃┃\n"); printf("┃●[2]浏览图书┃\n"); printf("┃┃\n"); printf("┃●[3]查询┃\n"); printf("┃┃\n"); printf("┃●[4]借书┃\n"); printf("┃┃\n"); printf("┃●[5]还书┃\n"); printf("┃┃\n"); printf("┃●[6]修改密码┃\n"); printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"); printf("请选择:"); fflush(stdin); head=create(); scanf("%d",&choice); if(choice==1) { denglu=-1; system("cls"); printf("\n\n\n\t\t您已退出登录！\n\n\n\n"); system("pause"); main(); } elseif(choice==2) { system("cls"); if(head==NULL) { printf("没有图书!\n"); system("pause"); system("cls"); xmenu(); } xBrowse(head); } elseif(choice==3) { if(head==NULL) { printf("没有图书!\n"); system("pause"); system("cls"); xmenu(); } xfind(); } elseif(choice==4) { if(head==NULL) { printf("没有图书!\n"); system("pause"); system("cls"); xmenu(); } borrow(head); } elseif(choice==5) { huanshu(head); } elseif(choice==6) { system("cls"); head1=xcreate(); if(head1==NULL) { printf("学生信息被清空!!\n"); system("pause"); system("cls"); xmenu(); } xmima(head1);; } elseif(choice==0) { system("cls"); printf("\n\n\n\n"); printf("━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n"); exit(0); } else { system("cls"); printf("\n\n\n\n━━━━输入错误，请重新输入！━━━━\n\n\n"); system("pause"); system("cls"); n++; if(n==3) { printf("\n\n\n━━━━━━━━你错误次数太多，自动退出!━━━━━━━━\n\n\n"); printf("━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n"); system("pause"); exit(0); } gotothere; }}//--------------------voidgfind()/*管理员查询（管理员可按一定方法查询图书）*/{ intchoice,n=0; structtushu*head;there: system("cls"); printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf("┃┃图书借阅系统┃┃\n"); printf("┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"); printf("┃●[0]返回┃\n"); printf("┃┃\n"); printf("┃●[1]按书名查找┃\n"); printf("┃┃\n"); printf("┃●[2]按作者查找┃\n"); printf("┃┃\n"); printf("┃●[3]按类别查找┃\n"); printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"); printf("请选择:"); fflush(stdin); head=create(); scanf("%d",&choice); if(choice==1) { system("cls"); Findofname(head); } elseif(choice==2) { system("cls"); Findofwriter(head); } elseif(choice==3) { system("cls"); Findofkind(head); } elseif(choice==0) { system("cls"); menu(); } else { system("cls"); printf("\n\n\n\n━━━━输入错误，请重新输入！━━━━\n\n\n"); system("pause"); system("cls"); n++; if(n==3) { printf("\n\n\n━━━━━━━━你错误次数太多，自动退出!━━━━━━━━\n\n\n"); printf("━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n"); system("pause"); exit(0); } gotothere; }}//---------------------voidxfind()/*学生查询（学生可按一定方法查询图书）*/{ structtushu*head; intchoice,n=0;there: system("cls"); printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf("┃┃图书借阅系统┃┃\n"); printf("┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"); printf("┃●[0]返回┃\n"); printf("┃┃\n"); printf("┃●[1]按书名查找┃\n"); printf("┃┃\n"); printf("┃●[2]按作者查找┃\n"); printf("┃┃\n"); printf("┃●[3]按类别查找┃\n"); printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"); printf("请选择:"); fflush(stdin); head=create(); scanf("%d",&choice); if(choice==1) { system("cls"); xFindofname(head); } elseif(choice==2) { system("cls"); xFindofwriter(head); } elseif(choice==3) { system("cls"); xFindofkind(head); } elseif(choice==0) { system("cls"); xmenu(); } else { system("cls"); printf("\n\n\n\n━━━━输入错误，请重新输入！━━━━\n\n\n"); system("pause"); system("cls"); n++; if(n==3) { printf("\n\n\n━━━━━━━━你错误次数太多，自动退出!━━━━━━━━\n\n\n"); printf("━━━━━━━━感谢使用图书借阅系统━━━━━━━━\n\n\n"); system("pause"); exit(0); } gotothere; }}//-------------------voidsort(structtushu*head){ structtushu*head2; intchoice,n=0;there: system("cls"); printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf("┃┃图书借阅系统┃┃\n"); printf("┃┗━━━━━━━━━━━━━━━━━━━┛┃\n");printf("┃●[0]返回┃\n");printf("┃┃\n");printf("┃●[1]按时间排序┃\n");printf("┃┃\n");printf("┃●[2]按价格排序┃\n");printf("┃┃\n");printf("┃●[3]按编号排序┃\n");printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n");printf("请选择:"); fflush(stdin); head2=create(); scanf("%d",&choice); if(choice==1) { system("cls"); Sort_time(head2); } elseif(choice==2) { system("cls"); Sort_price(head2); } elseif(choice==3) { system("cls"); Sort_num(head2); } elseif(choice==0) { system("cls"); menu(); } else { system("cls"); printf("\n\n\n\n━━━━输入错误，请重新输入！━━━━\n\n\n"); system("pause"); system("cls"); n++; if(n==3) { printf("\n\n\n━━━━━━━━你错误次数太多，自动退出!━━━━━━━━\n\n\n"); printf("━━━━━━━━感谢使用图书借阅系统━━━━━━━━\n\n\n");system("pause"); exit(0); } gotothere; }}//---------------------structtushu*Input(){ structtushu*p1,*p2,*head,*ptr; charnum; intx,i=0; system("cls"); p1=(structtushu*)malloc(sizeof(structtushu));head=p1; p1->price=-1; while(i!=1) { printf("请输入编号。若要结束图书信息录入，请输入'#'。\n"); scanf("%s",p1->num); if(strcmp(p1->num,"#")==0) i=1; while(i!=1) { printf("请依次输入书名作者出版社类别出版年份价格:\n"); scanf("%s%s%s%s%lf%lf",p1->name,p1->writer,p1->press,p1->kind,&p1->time,&p1->price); p2=p1; p1=(structtushu*)malloc(sizeof(structtushu)); p2->next=p1; break; } } if(p1->price!=-1) p2->next=NULL; else head=NULL; system("cls"); printf("\n\n\n\t\t\t图书信息输入结束！\n\n\n"); system("pause");system("cls"); printf("\n\n\n\t\t\t是否保留图书信息？（1.是/2.否）："); scanf("%d",&x); if(x==1) fprint(head); else { system("cls"); printf("\n\n\n\t\t\t文件没有被保留！\n\n\n\n"); system("pause"); system("cls"); menu(); }}//------------------------voidfprint(structtushu*head){ structtushu*p1; if((fp=fopen("tushu_list.txt","a"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); } if(head==NULL) { printf("没有图书保留！\n"); system("pause"); system("cls"); menu(); } for(p1=head;p1!=NULL;p1=p1->next)/*遍历*/ fprintf(fp,"%-10s%-30s%-20s%-20s%-20s%.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price);/*将图书信息写入文件*/ fclose(fp); system("cls"); printf("\n图书信息已成功保留到文件tushu_list.txt中！\n");system("pause");system("cls");getchar();menu();}//---------------------voidfprint_(structtushu*head){ structtushu*p1; chara[31]; printf("请输入你保留文件！\n"); scanf("%s",a); if((fp=fopen(a,"w"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); }if(head==NULL){ system("cls"); printf("没有图书！\n"); system("pause"); system("cls"); menu();} for(p1=head;p1!=NULL;p1=p1->next) fprintf(fp,"%-10s%-30s%-20s%-20s%-20s%.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price);/*将图书信息写入文件*/fclose(fp);system("cls");printf("\n图书信息已成功保留到文件%s中！\n",a);system("pause");system("cls");menu();}//-------------------------voidhfprint(structtushu*head){ structtushu*p1; if((fp=fopen("tushu_list.txt","a"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); } if(head==NULL) { printf("没有还书！\n"); xmenu(); } for(p1=head;p1!=NULL;p1=p1->next)/*遍历*/ fprintf(fp,"%-10s%-30s%-20s%-20s%-20s%.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price);/*将图书信息写入文件*/ fclose(fp); xmenu();}//----------------------voidjfprint_(structtushu*head){ structtushu*p1; if((fp=fopen("tushu_list.txt","w"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); } if(head==NULL) { xmenu(); } for(p1=head;p1!=NULL;p1=p1->next) { fprintf(fp,"%-10s%-30s%-20s%-20s%-20s%.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price);/*将图书信息写入文件*/ } fclose(fp); system("cls"); getchar(); xmenu();}//------------------------voidjsprint(jieshu*h){ structjieshu*pj; if((fp3=fopen("jieshu_list.txt","a"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); } for(pj=h;pj!=NULL;pj=pj->next) fprintf(fp3,"%-10d%-10s%-30s%-20s%-20s%-20s%.0lf%.2lf\n",pj->xuehao,pj->num,pj->name,pj->writer,pj->press,pj->kind,pj->time,pj->price); fclose(fp3);}//-----------------------structtushu*create(){ structtushu*head=NULL,*p,*p1,*p2; if((fp=fopen("tushu_list.txt","r"))==NULL)/*先安全打开目录文件*/ { printf("Fileopenerror!\n"); system("pause"); exit(0); } while(!feof(fp))/*读取并创建链表*/ { p=(structtushu*)malloc(sizeof(structtushu)); p->price=-1; fscanf(fp,"%s%s%s%s%s%lf%lf",p->num,p->name,p->writer,p->press,p->kind,&p->time,&p->price); if(p->price==-1) { free(p); break; } if(head==NULL) { head=p; p1=p; p1->next=NULL; } else { p1->next=p; p2=p1; p1=p; p1->next=NULL; } } fclose(fp); returnhead;}//-------------------------structjieshu*jcreate(){ structjieshu*head=NULL,*p,*p1,*p2; if((fp3=fopen("jieshu_list.txt","r"))==NULL) { printf("Fileopenerror!\n"); system("pause"); exit(0); } while(!feof(fp3)) { p=(structjieshu*)malloc(sizeof(structjieshu)); p->price=-1; fscanf(fp3,"%d%s%s%s%s%s%lf%lf",&p->xuehao,p->num,p->name,p->writer,p->press,p->kind,&p->time,&p->price); if(p->price==-1) { free(p); break; } if(head==NULL) { head=p; p1=p; p1->next=NULL; } else { p1->next=p; p2=p1; p1=p; p1->next=NULL; } } fclose(fp3); returnhead; }//------------------------------structjieshu*borrowcreate(structtushu*k,structjieshu*h){structjieshu*head;head=(structjieshu*)malloc(sizeof(structjieshu));if(h==NULL){ h=head; h->xuehao=denglu; strcpy(h->num,k->num); strcpy(h->name,k->name); strcpy(h->writer,k->writer); strcpy(h->press,k->press); strcpy(h->kind,k->kind); h->time=k->time; h->price=k->price; h->next=NULL; returnh; } else { head->xuehao=denglu; strcpy(head->num,k->num); strcpy(head->name,k->name); strcpy(head->writer,k->writer); strcpy(head->press,k->press); strcpy(head->kind,k->kind); head->time=k->time; head->price=k->price; head->next=h; returnhead; }}//--------------------------voidgBrowse(structtushu*head){ structtushu*p1; printf("编号书名作者出版社类别出版时间价格\n"); for(p1=head;p1!=NULL;p1=p1->next) { printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price); } system("pause"); system("cls"); menu();}//----------------------------voidxBrowse(structtushu*head){ structtushu*p1; printf("编号书名作者出版社类别出版时间价格\n"); for(p1=head;p1!=NULL;p1=p1->next) {printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p1->num,p1->name,p1->writer,p1->press,p1->kind,p1->time,p1->price); } system("pause"); system("cls"); xmenu();}//-----------------------------voidcount(structtushu*head)/*统计图书数目*/{ intn=0; structtushu*p1; for(p1=head;p1!=NULL;p1=p1->next) n++; printf("\n此系统统计在内图书共有%d册。\n",n);/*计算并输出图书数目*/ system("pause"); system("cls"); menu();}//----------------------------voidFindofname(structtushu*head)/*按书名查询图书*/{ inti=0,n; charb[31]; structtushu*p; p=head; printf("\n请输入要查询图书名称："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->name,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) { system("cls"); printf("\n对不起！没有找到名为《%s》图书！\n",b); system("pause"); } printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) gfind(); else { system("cls"); menu(); }}//------------------------------voidFindofwriter(structtushu*head){ inti=0,n; charb[21]; structtushu*p; p=head; printf("\n请输入要查询图书作者姓名："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->writer,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) { system("cls"); printf("\n对不起！没有找到'%s'所著相关图书！\n",b); system("pause"); } printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) gfind(); else { system("cls"); menu(); }}//----------------------------------voidFindofkind(structtushu*head){ inti=0,n; charb[21]; structtushu*p; p=head; printf("\n请输入您要查询图书类别："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->kind,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) { system("cls"); printf("\n对不起！没有找到类别为'%s'图书！\n",b); system("pause"); } printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) gfind(); else { system("cls"); menu(); }}//---------------------------------voidxFindofname(structtushu*head)/*按书名查询图书*/{ inti=0,n; charb[31]; structtushu*p; p=head; printf("\n请输入要查询图书名称："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->name,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) { system("cls"); printf("\n对不起！没有找到名为《%s》图书！\n",b); system("pause"); } printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) xfind(); else { system("cls"); xmenu(); }}//--------------------------voidxFindofwriter(structtushu*head){ inti=0,n; charb[21]; structtushu*p; p=head; printf("\n请输入要查询图书作者姓名："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->writer,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) system("cls"); printf("\n对不起！没有找到'%s'所著相关图书！\n",b); system("pause"); printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) xfind(); else { system("cls"); xmenu(); }}//-----------------------voidxFindofkind(structtushu*head){ inti=0,n; charb[21]; structtushu*p; p=head; printf("\n请输入您要查询图书类别："); scanf("%s",b); while(p!=NULL) { if(strcmp(p->kind,b)==0) { printf("编号书名作者出版社类别出版时间价格\n"); printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p->num,p->name,p->writer,p->press,p->kind,p->time,p->price); i++; } p=p->next; } if(i==0) system("cls"); printf("\n对不起！没有找到类别为'%s'图书！\n",b); system("pause"); printf("\n\n\n\t\t\t是否继续查找图书信息？（1.是/其它.返回）："); scanf("%d",&n); if(n==1) xfind(); else { system("cls"); xmenu(); }}//--------------------------voidSort_time(structtushu*head){ structtushu*p1,*p2,*p3,*p4=NULL,*p5; intx; for(p1=head;p1->next!=p4;) { for(p2=p1;p2->next!=p4;) { if(p2->time>p2->next->time) { if(p2==p1) { p1=p2->next; p2->next=p1->next; p1->next=p2; p3=p1; } else { p3->next=p2->next; p3=p2->next; p2->next=p3->next; p3->next=p2; } } else { p3=p2; p2=p2->next; } } p4=p2; } printf("编号书名作者出版社类别出版时间价格\n"); for(p5=p1;p5!=NULL;p5=p5->next) printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p5->num,p5->name,p5->writer,p5->press,p5->kind,p5->time,p5->price); system("pause"); system("cls"); printf("\n\n\n\t\t\t是否保留图书信息？（1.是/2.否(返回)）："); scanf("%d",&x); if(x==1) fprint_(p1); else system("cls"); printf("\n\n\n\t\t\t没有被保留到文件！\n\n\n\n"); system("pause"); system("cls"); menu(); return;}//----------------------------voidSort_price(structtushu*head){ structtushu*p1,*p2,*p3,*p4=NULL,*p5; intx; for(p1=head;p1->next!=p4;) { for(p2=p1;p2->next!=p4;) { if(p2->price>p2->next->price) { if(p2==p1) { p1=p2->next; p2->next=p1->next; p1->next=p2; p3=p1; } else { p3->next=p2->next; p3=p2->next; p2->next=p3->next; p3->next=p2; } } else { p3=p2; p2=p2->next; } } p4=p2; } printf("编号书名作者出版社类别出版时间价格\n"); for(p5=p1;p5!=NULL;p5=p5->next) printf("%-10s%-30s%-20s%-20s%-20s%-10.0lf%.2lf\n",p5->num,p5->name,p5->writer,p5->press,p5->kind,p5->time,p5->price); system("pause"); system("cls"); printf("\n\n\n\t\t\t是否保留图书信息？（1.是/2.否(返回)）："); scanf("%d",&x); if(x==1) fprint_(p1); else system("cls"); printf("\n\n\n\t\t\t没有被保留到文件！\n\n\n\n"); system("pause"); system("cls"); menu(); return;}//------------------------------voidSort_num(structtushu*head){ structtushu*p1,*p2,*p3,*p4=NULL,*p5; intx; for(p1=head;p1->next!=p4;) //对链表进行从大到小排序（这里用冒泡法） //p1使之总是指向头结点，p4使之总是指向已排序好最前面结点 //p3作为中介，保留p2上一个结点 { for(p2=p1;p2->next!=p4;) {