wangtao.cpp

本程序是C++语言编写的

	char choice='y';
	fp=fopen("D:\\计035.txt","r");
	printf("\n请输入书本的种类:");
	scanf("%s",form1);
	fflush(stdin);
	do
	{
		for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp)!=0;i++)
		{
	    	if(form1==books[i].form)
			{
	    		printf("\n找到要查询的书,具体资料如下:\n");
	    		printf("编号:%2d\n",books[i].number);
	     		printf("日期:%d.%d.%d",books[i].date.year,books[i].date.month,books[i].date.day);
	    		printf("书名:%s\n",books[i].name);
	     		printf("作者名:%s\n",books[i].writer);
	    		printf("类型:%s\n",books[i].form);
		    	printf("租借情况:%s\n",books[i].lend);
		    	flag=1;
			}
		}
	    if(flag==0)
		{
	    	printf("\n没有找到种类为%s的书!",form1);
		}
    	fflush(stdin);
			
		printf("是否要继续查找Y/N:");
		scanf("%c",&choice);
	}while(choice=='Y'||choice=='y');
	fclose(fp);
}



               /*以下为排序部分*/



void ordernumber()
{
	FILE *fp;
	struct bookstype temp;
	int i,j;
	fp=fopen("D:\\计035.txt","r");
	               /*运用"直接插入排序"的方法进行排序*/
	for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp)!=0;i++)
	{
		temp=books[i+1];
        j=i;
		while(j>-1&&temp.number<books[j].number)
		{
			books[j+1]=books[j];
			j--;
		}
		books[j+1]=temp;
	
	}
	fflush(stdin);
	output();
	           /*调用输出函数,显示排序结果*/
	fclose(fp);
}
void orderform()
{
	FILE *fp;
	struct bookstype temp;
	int i,j;
	fp=fopen("D:\\计035.txt","r");
	for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp)!=0;i++)
	{
		temp=books[i+1];
		j=i;
		while(j>-1&&temp.form<books[j].form)
		{
			books[j+1]=books[j];
			j--;
		}
		books[j+1]=temp;
	}
	fflush(stdin);
	output();
                /*调用输出函数,显示排序结果*/
	fclose(fp);
}



        /*删除函数*/


void delenumber()
{
FILE *fp,*fp2;
	int i;
	int booknumber;
	char choice;
	fp=fopen("D:\\计035.txt","r");
	fp2=fopen("E:\\计031.txt","w");
	printf("请输入你要删除的书名\n");
	printf("如果你输入的书名存在，系统自动删除该信息！如果不存在，系统不做任何改动\n");
	scanf("%d",&booknumber);
	for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp)!=0;i++)
	{

		if(booknumber==books[i].number)
		{
			fwrite(&books[i],sizeof(struct bookstype),1,fp2);
		}
	}
	fclose(fp);
	fclose(fp2);
	printf("是否真的要删除该书籍？删除后该书籍的所有信息将无法恢复Y/N\n");
	scanf("%s",&choice);
	if(choice=='y'||choice=='Y')
	{
		fp=fopen("D:计035.txt","w");
		fp2=fopen("D:计035.txt","r");
		for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp2)!=0;i++)
		{
		     	fwrite(&books[i],sizeof(struct bookstype),1,fp);
		}
		fclose(fp);
		fclose(fp2);
		fp2=fopen("D:计035.txt","w");
		fclose(fp2);
		printf("按任意键返回\n");
		getch();
		return;
	}
	else
	{
		printf("按任意键返回\n");
		getch();
		return;
	}
}

		
void delename()
{

    FILE *fp,*fp2;
	int i;
	char bookname[10],choice;
	fp=fopen("D:\\计035.txt","r");
	fp2=fopen("D:\\计035.txt","w");
	printf("请输入你要删除的书名\n");
	printf("如果你输入的书名存在，系统自动删除该信息！如果不存在，系统不做任何改动\n");
	scanf("%s",bookname);
	for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp)!=0;i++)
	{

		if(strcmp(bookname,books[i].name)!=0)
		{
			fwrite(&books[i],sizeof(struct bookstype),1,fp2);
		}
	}
	fclose(fp);
	fclose(fp2);
	printf("是否真的要删除该书籍？删除后该书籍的所有信息将无法恢复Y/N\n");
	scanf("%s",&choice);
	if(choice=='y'||choice=='Y')
	{
		fp=fopen("D:\\计035.txt","w");
		fp2=fopen("D:\\计035.txt","r");
		for(i=0;fread(&books[i],sizeof(struct bookstype),1,fp2)!=0;i++)
		{

			fwrite(&books[i],sizeof(struct bookstype),1,fp);
		}
		fclose(fp);
		fclose(fp2);
		fp2=fopen("D:\\计035.txt","w");
		fclose(fp2);
		printf("按任意键返回\n");
		getch();
		return;
	}
	else
	{
		printf("按任意键返回\n");
		getch();
		return;
	}
}

	
void main()
{
	char ch1,ch2;
	
	
		printf("** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **\n");
        printf("**    *                                           *   **\n");
		printf("**    *          欢迎访问图书馆管理系统           *   **\n");
		printf("**    *                                           *   **\n");

		printf("**——————————————————————————**\n");
		printf("**——————————————————————————**\n");
		printf("**——————————————————————————**\n");
        printf("**  ||             学校：广西工学院                || **\n"); 
        printf("**  ||             系别：计算机工程系              || **\n");
        printf("**  ||             班别：计算机035                 || **\n");
        printf("**  ||             学号: 2003041222                || **\n");
        printf("**  ||             姓名：王涛                      || **\n");
        printf("**  ||       	   地址：南区6#702                 || **\n");
		printf("**  ||             电话：2684876                   || **\n");
		printf("**  ||                                             || **\n");
		printf("**  ||           ——————————————      || **\n");
        printf("** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **\n");
		printf("首先你要输入正确口令，方可进入!");
		path();
	do
	{
		printf("\n");
		printf("请选择操作类型:\n");
		printf("1 图书管理模块\n");
        printf("2 图书借阅模块\n");
		scanf("%s",&ch1);
		switch(ch1)
		{
	
		case'1':
			{
				    printf("\n欢迎访问管理模块!\n");
	            	printf("1 输入输出与保存\n");
		            printf("2 查询\n");
		            printf("3 排序\n");
	            	printf("4 删除\n");
	            	printf("0 退出\n");
	             	printf("请输入0-4:\n");
	              	scanf("%s",&ch1);
	         	   switch(ch1)
				   {
	                  case'1':
						  {
			             	printf("\2欢迎访问输入输出与保存模块!\n");
				            printf("1 输入书籍\n");
				            printf("2 保存\n");
				            printf("3 输出书籍\n");
			    	        printf("请输入1-3:");
				            scanf("%s",&ch2);
				           switch(ch2)
						   {
				                    case'1':
					                     input();
				       	               break;
				                    case'2':
					                    save();
				        	           break;
				                     case'3':
				        	             output();
				         	           break;
				                    default:
					                    printf("无此操作!\n");
					                    getch();
					                   break;
						   }
				           break;
						  }

		               case'2':
						   {
			                	printf("\n       欢迎进入书籍查询系统!          \n");
				                printf("1:             按书号查询                 \n");
				                printf("2:             按日期查询                 \n");
				                printf("3:             按书名查询                 \n");
				                printf("4:             按作者名查询               \n");
				                printf("5:             按书的类型查询             \n");
				                printf("               请输入1-5                  \n");
			                	scanf("%s",&ch2);
				                switch(ch2)
								{
			                  	case'1':
				                     	seeknumber();
				                  	break;
				                case'2':
				                     	seekdate();
				                 	break;
				                case'3':
				                     	seekname();
				                 	break;
				                case'4':
					                    seekwriter();
				                   	break;
				                case'5':
				                      	seekform();
				                   	break;
				                default:
				                   	printf("无此操作!\n");
				                  	break;
								}
				            break;
						   }
	                  case'3':
						  {
			                	printf("\2欢迎进入书籍的排序系统!\n");
			  	                printf("1 按书号排序\n");
			          	        printf("2 按日期排序\n");
				                printf("3 按类型排序\n");
			         	        printf("请输入1-3:\n");
				                scanf("%s",&ch2);
				              switch(ch2)
							  {                
						           case'1':
				            	         ordernumber();
				            	   break;
				                   case'2':
			                            	/*	orderdate();*/
				                  	break;
				                   case'3':
					                     orderform();
				          	        break;

				                   default:
					               printf("无此操作!\n");
							  }
			          	    break;
						  }
				
	                  case'4':
						{
			                 printf("\n欢迎进入书籍的删除系统!\n");
				             printf("1: 按书号删除\n");
				             printf("2: 按书名删除\n");
			              	 printf("请输入1-2:\n");
			               	 scanf("%s",&ch2);
				             if(ch2=='1')
                              delenumber();
			                 else
                              delename();
			              	break;
						}
	        	     case'0':
			            exit(0);

		               default:
			        printf("无此操作!\n");
                  }
				  }
		 case'2':
			 {
				 printf("欢迎访问书籍借阅模块:\n");
				 printf("1借阅书籍\n");
				 printf("2归还书籍\n");
				 printf("请输入1-2:\n");
				 scanf("%s",&ch2);
				 if(ch2=='1')
					 book_borrowed();
				 else
					 returnbooks();
					
			 }
	}while(1);
}