diff --git a/课程设计（3）.cpp b/课程设计（3）.cpp
new file mode 100644
index 0000000..e160c84
--- /dev/null
+++ b/课程设计（3）.cpp
@@ -0,0 +1,561 @@
+#include<stdio.h>
+#include<string.h>
+#include<windows.h>
+#include<math.h>
+#include<stdlib.h>
+#include<time.h>
+#include<dos.h>
+#include<conio.h>
+#define N  100
+
+void menu();
+void ss();
+void tushuluru();
+void tushuchaxun();
+void zuozhemingchaxun();
+void tushuliulan();
+void shumingchaxun();
+void xinxixiugai();
+void tushuxinxixiugai();
+void tushuxinxishanchu();
+void huanyingxitong();
+
+struct xinxi
+{
+    char name[100];
+    char author[100];
+    char publisher[100];
+    int year,yue,ri;
+    int price,amount;
+    int kuchun;
+} tushuxinxu[N] ;
+
+char mima[1000];
+
+void goto_xy(int x, int y)     //¶¨Î»¹â±êλÖõ½Ö¸¶¨×ø±ê
+{
+    HANDLE hOut;
+    hOut = GetStdHandle(STD_OUTPUT_HANDLE);
+    COORD pos = { x,y };
+    SetConsoleCursorPosition(hOut, pos);
+}
+
+void color(short x)          //×Ô¶¨Ò庯¸ù¾Ý²ÎÊý¸Ä±äÑÕÉ«
+{
+    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), x);    //Ö»ÓÐÒ»¸ö²ÎÊý£¬¸Ä±ä×ÖÌåÑÕÉ«
+}
+
+void tushuluru()
+{
+    int uu,j;
+    void ss();
+    j=0;
+    printf("ÇëÊäÈëÄãÒª²åÈëµÄͼÊéÐÅÏ¢\n");
+    printf("ÔÚ¼ÈëͼÊéÄêÔÂÈÕÐÅϢʱ£ºÇëÕâÑùÊäÈëÈÕ Ô Äê\n"); 
+    printf("Ãû³Æ\t×÷Õß\tÈÕ-ÔÂ-Äê\t¼Û¸ñ\tÊýÁ¿\t¿â´æ\t³ö°æÉç\n");
+    FILE*fp;
+out:
+    fp=fopen("a.txt","a+");
+    scanf("%s%s%d%d%d%d%d%d%s",tushuxinxu[j].name,tushuxinxu[j].author,&tushuxinxu[j].year,&tushuxinxu[j].yue,&tushuxinxu[j].ri,&tushuxinxu[j].price,&tushuxinxu[j].amount,&tushuxinxu[j].kuchun,tushuxinxu[j].publisher);
+    fprintf(fp,"%s\t%s\t%d-%d-%d\t%d\t%d\t%d\t%s\n",tushuxinxu[j].name,tushuxinxu[j].author,tushuxinxu[j].year,tushuxinxu[j].yue,tushuxinxu[j].ri,tushuxinxu[j].price,tushuxinxu[j].amount,tushuxinxu[j].kuchun,tushuxinxu[j].publisher);
+    rewind(fp);
+    Sleep(1200);
+    printf("¼Èë³É¹¦\n");
+    fclose(fp);
+    printf("ÄãÊÇ·ñ»¹ÒªÂ¼ÈëÐÅÏ¢\n");
+    printf("Èç¹ûÊÇ£¬ÇëÊäÈë1£¬·ñÔò£¬ÊäÈë2\n");
+    scanf("%d",&uu);
+    if(uu==1)
+    {
+        goto out;
+        j++;
+    }
+    else
+    {
+        system("cls");
+        ss();
+    }
+}
+void huanyingxitong()
+{
+	system("cls");
+	printf("ллÄãʹÓñ¾ÏµÍ³,thanks\n");
+	Sleep(1200);
+	system("cls");
+	menu();
+}
+
+void ss()//ͼÊé¹ÜÀíϵͳ½çÃæ
+{
+    int x,y;
+    system("cls"); 
+    printf("\t\t\tͼ\t Êé\t ÐÅ\t Ï¢\t ¹Ü\t Àí\t ϵ\t ͳ\n"); 
+    printf("\n                       \t\t\t\tÇë°´¼ü 1-5Ñ¡ÔñʵÏÖ¹¦ÄÜ\n\n"); 
+    printf("                          \t\t\t1.ͼÊéÐÅϢ¼Èë\n\n"); 
+    printf("                           \t\t\t2.ͼÊéÐÅÏ¢ä¯ÀÀ\n\n"); 
+    printf("                           \t\t\t3.°´ÊéÃû²éѯͼÊé²éѯ\n\n"); 
+    printf("                           \t\t\t4.ͼÊéµ¥¼ÛµÄÐÞ¸ÄÓëͼÊéÐÅϢɾ³ý\n\n"); 
+    printf("                           \t\t\t5.Í˳öϵͳAND»¶Ó­´Ê\n\n");
+    printf("ÇëÊäÈëÄãҪѡÔñµÄ²Ëµ¥\n");
+    printf("\n");
+    printf("ÄãÑ¡ÔñµÄÊÇ£º");
+    while(1)
+    {
+        scanf("%d",&x);
+        fflush(stdin);
+        if(x>5||x<1)
+        {
+            printf("ÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë:");
+            continue;
+        }
+        break;
+    }                  //½øÈëͼÊé¹ÜÀíϵͳ½øÐвÙ×÷
+    if(x==1)
+    {
+        system("cls");
+        tushuluru();
+    }
+    if(x==2)
+    {
+        printf("ÇëÉÔµÈ......\n");
+        Sleep(500);
+        printf("¹§Ï²Äã²éѯ³É¹¦\n");
+        Sleep(1200);
+        system("cls");
+        tushuliulan();
+    }
+    if(x==3)
+    {
+        printf("ÇëÉÔµÈ......\n");
+        Sleep(500);
+        printf("¹§Ï²Äã½øÈë³É¹¦\n");
+        Sleep(1200);
+        system("cls");
+        tushuchaxun();
+    }
+    if(x==4)
+	{
+		printf("ÇëÉÔµÈ......\n");
+        Sleep(500);
+        printf("¹§Ï²Äã½øÈë³É¹¦\n");
+        Sleep(1200);
+        system("cls");
+        xinxixiugai();
+    }if(x==5)
+	{
+		huanyingxitong();
+    }
+}
+void xinxixiugai()
+{
+	int i;
+	printf("1:ͼÊéµ¥¼ÛµÄÐÞ¸Ä\n");
+	printf("2:ͼÊéÐÅÏ¢µÄɾ³ý\n");
+	printf("ÄãÏëÊäÈëµÄÊý×ÖÊÇ:");
+	ww:scanf("%d",&i);
+	fflush(stdin);
+	if(i==1)
+	{
+		tushuxinxixiugai();
+		system("cls");
+	}
+	 else if(i==2)
+	{
+		tushuxinxishanchu();
+		system("cls");
+	}if(i!=1||i!=2)
+	{
+		printf("ÄãÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë\n");
+		goto ww;
+	}	
+}
+void tushuxinxixiugai()
+{
+	int j,h,q,w,e,z,i;
+	xx:FILE*fp;
+	FILE*CC;
+	e=0;
+	z=0;
+	j=0;
+	fp=fopen("a.txt","r+");
+	while(!feof(fp))
+	{ 
+    fscanf(fp,"%s%s%d%d%d%d%d%d%s",tushuxinxu[j].name,tushuxinxu[j].author,&tushuxinxu[j].year,&tushuxinxu[j].yue,&tushuxinxu[j].ri,&tushuxinxu[j].price,&tushuxinxu[j].amount,&tushuxinxu[j].kuchun,tushuxinxu[j].publisher);
+        j++;
+	}
+	rewind(fp);
+	fclose(fp);
+	CC=fopen("a.txt","w+");	 
+	printf("ÇëÎÊÄãÏë¸ÄÕýµÄµ¥¼ÛÊÇ:");
+	scanf("%d",&q); 
+    for(h=0;h<j;h++)
+	{
+		if(tushuxinxu[h].price==q)
+		{
+			printf("ÄãÏëÐ޸ĵÄÐÅÏ¢ÊÇ:");
+			scanf("%d",&w);
+			fflush(stdin);
+			tushuxinxu[h].price=w;
+			e=2;
+		}
+		e++;
+    }
+    if(e==j)
+	{
+		printf("ûÓÐÕÒµ½ÄãÏëÐ޸ĵĵ¥¼Û\n");
+    }
+while(tushuxinxu[z].price!=0)
+{
+	 fprintf(CC,"%s\t%s\t%d%d%d\t%d\t%d\t%d\t%s\n",tushuxinxu[z].name,tushuxinxu[z].author,tushuxinxu[z].year,tushuxinxu[z].yue,tushuxinxu[z].ri,tushuxinxu[z].price,tushuxinxu[z].amount,tushuxinxu[z].kuchun,tushuxinxu[z].publisher);
+	z++;
+}
+rewind(CC);
+fclose(CC); 
+printf("ÄãÊÇ·ñÏë¼ÌÐøÐÞ¸Ä\n");
+printf("Èç¹ûÊÇÇëÊäÈë1;·µ»Ø²Ëµ¥ÇëÊäÈë:2\n");
+scanf("%d",&i);
+if(i==1)
+{
+	goto xx;
+}
+if(i==2)
+{
+system("cls");
+ss();
+}
+} 
+void tushuxinxishanchu()
+{
+	int j,h,d,e,z,s,q;
+	char a[100];
+	e=-1;
+	j=0;
+	h=0;
+	z=0;
+	FILE*fp;
+	FILE*CC;
+	fp=fopen("a.txt","r+");
+	while(!feof(fp))
+	{
+        fscanf(fp,"%s%s%d%d%d%d%d%d%s",tushuxinxu[j].name,tushuxinxu[j].author,&tushuxinxu[j].year,&tushuxinxu[j].yue,&tushuxinxu[j].ri,&tushuxinxu[j].price,&tushuxinxu[j].amount,&tushuxinxu[j].kuchun,tushuxinxu[j].publisher);
+        j++;
+	}
+	rewind(fp);
+	fclose(fp);
+	printf("ÇëÎÊÄãÏëɾ³ýµÄÊéÃûÊÇ:");
+	scanf("%s",a);
+	 for(h=0;h<j;h++)
+	{
+		if(strcmp(tushuxinxu[h].name,a)==0)
+		{
+			d=h;
+			e=2;
+		}
+    }
+    if(e==-1)
+	{
+		printf("²»ºÃÒâ˼£¬ÄãÏëɾ³ýµÄÊéÃûûÕÒµ½\n");
+		return;
+    }
+	CC=fopen("a.txt","w+");
+	fflush(CC);
+	for(s=d;s<j-1;s++)
+	{
+		tushuxinxu[s]=tushuxinxu[s+1];
+	}
+	tushuxinxu[s].price = 0;
+	while(tushuxinxu[z].price!=0)
+    {
+        fprintf(CC,"%s\t%s\t%d%d%d\t%d\t%d\t%d\t%s\n",tushuxinxu[z].name,tushuxinxu[z].author,tushuxinxu[z].year,tushuxinxu[z].yue,tushuxinxu[z].ri,tushuxinxu[z].price,tushuxinxu[z].amount,tushuxinxu[z].kuchun,tushuxinxu[z].publisher);
+        z++;
+    }
+    fclose(CC);
+    Sleep(1200);
+    if(e!=j){
+        printf("ɾ³ý³É¹¦\n");
+    }
+    printf("ÄãÊÇ·ñÐèÒª·µ»ØÉÏÒ»¼¶:Èç¹ûÊÇÇëÊäÈë:1\n");
+	printf("ÄãÏëÊäÈëµÄÊý×ÖÊÇ:");
+	scanf("%d",&q);
+	if(q==1)
+ 	{
+ 	system("cls");
+ 	ss();
+ }
+
+}
+void tushuchaxun()
+{
+    int i,j;
+    char an[100];
+    printf("1:°´ÊéÃû²éѯ\n");
+    printf("2:°´×÷ÕßÃû²éѯ\n");
+    printf("ÇëÊäÈëÄãÏëÑ¡ÔñµÄÐòºÅ:");
+out :
+    scanf("%d",&i);
+    fflush(stdin);
+    if(i==1)
+    {
+        printf("ÇëÉÔµÈ.....");
+        Sleep(1200);
+        system("cls");
+        shumingchaxun();
+    }
+    else if(i==2)
+    {
+
+        printf("ÇëÉÔµÈ.....");
+        Sleep(1200);
+        system("cls");
+        zuozhemingchaxun();
+    }
+    else
+    {
+        printf("ÊäÈë´íÎó,ÇëÖØÐÂÊäÈë\n");
+        goto out;
+    }
+}
+void menu()
+{
+    int x,i,d;
+    d=1;
+    system("color 2");
+    printf("**************ͼÊé¹ÜÀíϵͳµÇ¼½çÃæ***************\n");
+    printf("     ÇëÊäÈëÁùλÊýÃÜÂ룺");//µÇ¼ϵͳÃÜÂë
+    while(1)
+    {
+        for(i=0; i<=5; i++)
+        {
+            mima[i]=getch();
+            if(mima[i]=='\r')
+            {
+                break;
+            }
+            printf("*");
+        }
+        mima[i]='\0';
+        if(strcmp(mima,"111222")==0)
+        {
+            printf("\n");
+            printf("     µÇ¼³É¹¦\n");
+            printf("     ÇëÉÔºó.........");
+            Sleep(2500);
+            break;
+        }
+        else
+        {
+            printf("\n");
+            printf("     ÃÜÂë´íÎó£¬ÇëÖØÐÂÊäÈë\n");
+            goto_xy(5,d+=2);
+        }
+    }
+    printf("***************************************************");
+    system("cls");
+    ss();
+}
+
+void tushuliulan()
+{
+    int i;
+    char ch;
+    printf("µ±Ç°Ä㽫¿´µ½Äã¼ÈëµÄËùÓÐͼÊéÐÅÏ¢\n");
+    printf("Ãû³Æ\t×÷Õß\tÈÕ-ÔÂ-Äê\t¼Û¸ñ\tÊýÁ¿\t¿â´æ\t³ö°æÉç\n");
+    FILE*fp=fopen("a.txt","r");
+    while(!feof(fp))
+    {
+        ch=fgetc(fp);
+        printf("%c",ch);
+    }
+    printf("\n");
+    printf("\n");
+    printf("\n");
+    printf("************************************\n");
+    printf("ÄãÊÇ·ñÏë·µ»ØÉÏÒ»¼¶\n");
+    printf("1:Èç¹ûÏëÇëÊäÈ룺1\n");
+    printf("2:Èç¹ûÄã²»ÏëÇë²»ÒªÊäÈë\n");
+    printf("ÄãÏëÊäÈëµÄÊý×ÖÊÇ:");
+ii:
+    scanf("%d",&i);
+    fflush(stdin);
+    if(i==1)
+    {
+        system("cls");
+        ss();
+    }
+    else
+    {
+        printf("ÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë\n");
+        goto ii;
+    }
+}
+void shumingchaxun()
+{
+    int h,j,z,count;
+    j=0;
+    h=0;
+    
+    char an[100];
+    FILE*fp;
+    fp=fopen("a.txt","r");
+    while(fscanf(fp,"%s%s%d%d%d%d%d%d%s",tushuxinxu[j].name,tushuxinxu[j].author,&tushuxinxu[j].year,&tushuxinxu[j].yue,&tushuxinxu[j].ri,&tushuxinxu[j].price,&tushuxinxu[j].amount,&tushuxinxu[j].kuchun,tushuxinxu[j].publisher)!=EOF)
+    {
+        j++;
+    }
+    printf("ÇëÊäÈëÄãÏëÊäÈëµÄÊéÃû:\n");
+xx:
+	count=0;
+    scanf("%s",an);
+    system("cls");
+    printf("Ãû³Æ\t×÷Õß\tÈÕ-ÔÂ-Äê\t¼Û¸ñ\tÊýÁ¿\t¿â´æ\t³ö°æÉç\n");
+    for(h=0; h<j; h++)
+    {
+
+        if(strcmp(an,tushuxinxu[h].name)==0)
+        {
+            count++;
+            printf("%s\t%s\t%d%d%d\t%d\t%d\t%d\t%s\n",tushuxinxu[h].name,tushuxinxu[h].author,tushuxinxu[h].year,tushuxinxu[h].yue,tushuxinxu[h].ri,tushuxinxu[h].price,tushuxinxu[h].amount,tushuxinxu[h].kuchun,tushuxinxu[h].publisher);
+        }
+        else
+        {
+            continue;
+        }
+    }
+    if(count==0)
+    {
+        printf("¸ÃͼÊéûÓпâ´æ.....");
+    }
+    printf("\n");
+    printf("ÄãÊÇ·ñÒªÖØвéѯ\n");
+    printf("Èç¹ûÊÇÇëÊäÈë:1£¬·ñÔòÊäÈë:2·µ»ØÉÏÒ»¼¶\n");
+    printf("ÄãÏëÊäÈëµÄÊý×ÖÊÇ:");
+   cc: scanf("%d",&z);
+   fflush(stdin);
+    if(z==1)
+    {
+        goto xx;
+    }
+    else if(z==2)
+    {
+        system("cls");
+        ss();
+    }
+    else
+    {
+        printf("\n");
+        printf("ÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë\n");
+        goto cc;
+    }
+}
+
+void zuozhemingchaxun()
+{
+    int h,j,z,count;
+    j=0;
+    h=0;
+    char an[100];
+    FILE*fp;
+    fp=fopen("a.txt","r");
+    while(fscanf(fp,"%s%s%d%d%d%d%d%d%s",tushuxinxu[j].name,tushuxinxu[j].author,&tushuxinxu[j].year,&tushuxinxu[j].yue,&tushuxinxu[j].ri,&tushuxinxu[j].price,&tushuxinxu[j].amount,&tushuxinxu[j].kuchun,tushuxinxu[j].publisher)!=EOF)
+    {
+        j++;
+    }
+    printf("ÇëÊäÈëÄãÏëÊäÈëµÄ×÷ÕßÃû:\n");
+xx:
+	count=0;
+    scanf("%s",an);
+    system("cls");
+    printf("Ãû³Æ\t×÷Õß\tÈÕ-ÔÂ-Äê\t¼Û¸ñ\tÊýÁ¿\t¿â´æ\t³ö°æÉç\n");
+    for(h=0; h<j; h++)
+    {
+        if(strcmp(an,tushuxinxu[h].author)==0)
+        {
+            count++;
+            printf("%s\t%s\t%d%d%d\t%d\t%d\t%d\t%s\n",tushuxinxu[h].name,tushuxinxu[h].author,tushuxinxu[h].year,tushuxinxu[h].yue,tushuxinxu[h].ri,tushuxinxu[h].price,tushuxinxu[h].amount,tushuxinxu[h].kuchun,tushuxinxu[h].publisher);
+        }
+        else
+        {
+            continue;
+        }
+    }
+    if(count==0)
+    {
+        printf("¸ÃͼÊéûÓпâ´æ\n");
+    }
+    printf("\n");
+    printf("ÄãÊÇ·ñÒªÖØвéѯ\n");
+    printf("Èç¹ûÊÇÇëÊäÈë:1£¬·ñÔòÊäÈë:2·µ»ØÉÏÒ»¼¶\n");
+    printf("ÄãÏëÊäÈëµÄÊý×ÖÊÇ:");
+    cc:scanf("%d",&z);
+    fflush(stdin);
+    if(z==1)
+    {
+        goto xx;
+    }
+    else if(z==2)
+    {
+        system("cls");
+        ss();
+    }
+    else
+    {
+        printf("\n");
+        printf("ÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë\n");
+        goto cc;
+    }
+}
+
+void welcome() 
+{ 
+Sleep(200); 
+ system("color A"); 
+ printf("\n\n\n\n\n   \t\t Ȧ"); 
+   Sleep(200); 
+    system("color B"); 
+ printf("\t Ó­") ; 
+  Sleep(200); 
+   system("color C"); 
+ printf("\t À´") ; 
+   Sleep(200); 
+    system("color D"); 
+ printf("\t µ½") ; 
+   Sleep(200); 
+    system("color E"); 
+ printf("\t ͼ") ; 
+   Sleep(200); 
+    system("color A"); 
+ printf("\t Êé") ; 
+   Sleep(200); 
+    system("color B"); 
+ printf("\t ÐÅ"); 
+   Sleep(200); 
+    system("color A"); 
+ printf("\t Ϣ"); 
+   Sleep(200); 
+    system("color 08"); 
+ printf("\t ¹Ü") ; 
+   Sleep(200); 
+    system("color 09"); 
+ printf("\t Àí") ; 
+   Sleep(200); 
+    system("color B"); 
+ printf("\t ϵ") ; 
+   Sleep(200); 
+    system("color F"); 
+ printf("\t ͳ\n") ; 
+} 
+
+int main()
+{
+    welcome();
+    system("cls"); 
+    menu();
+    return 0; 
+}
+
+
+
+
+ 
+ 
+
+