first commit

课程设计2.c

@@ -62,32 +62,52 @@ int main()
 
 
 
-	char title[20],author[20];
-	char *str=title;
-	char *ptr=author;
-	int i;
-		char password[100]; 
 
+		    struct user
+		    {
+		    	char user_name[100];
+		    	char user_pass[100];
+			}stu[2]={{"xiaocong001","123456"},{"zhuzhu002","123456"}};
+			int num1=0;
+			int num2=0;
+			printf("***************欢迎来到深夜书店存货清单管理系统登录界面***************\n");                  //登录系统
+			while(1)
+			{
+			    printf("\t\t请输入您的用户名：");
+				char u[100];
 
+				scanf("%s",u);
 
+				if(strcmp(stu[0].user_name,u)==0||strcmp(stu[1].user_name,u)==0)
 				{
-			int num=0;
+					break;
+				}
 
+				else{
+					printf("不存在此用户！请重新输入！\n");
+					num1++;
+					if(num1==3)
+					{
+					printf("\n\t\t很抱歉，您没有权限进入系统！\n");
+					exit(0); }
+				}
+			}
+			system("cls");
 			printf("***************欢迎来到深夜书店存货清单管理系统登录界面***************\n");
-			printf("               请输入密码");
+			printf("\t\t请输入密码：");
-		
+			while(1)
-			while(1)													//登录系统密码 
 			{
-			scanf("%s",password);
+				char p[100];
-			if(strcmp(password,"123456")==0)
+			scanf("%s",p);
+			if(strcmp(stu[0].user_pass,p)==0)
 			{
 				printf("   登录成功\n");
 				break;
 			}else
 			{
 				printf("               密码错误，请重新输入");
-				num++;
+				num2++;
-				if(num==3)
+				if(num2==3)
 				{
 					printf("密码输入错误超过三次，系统即将关闭");
 					exit(0);
@@ -95,12 +115,21 @@ int main()
 		}
 			}
 			system("cls");                //刷屏
+            system("color e5");
+
+
+
+
+	char t[20],a[20];
+	int i;
 
 	printf("请输入您要寻找的书名和作者\n") ;
-	scanf("%s%s",str,ptr);
+	scanf("%s%s",&t,&a);
 		for(i=0;i<5;i++)
 		{
-			if(*str==*book[i].title&&*ptr==*book[i].author)
+			if((strcmp(t,book[i].title)==0))
+			{
+			    if((strcmp(a,book[i].author)==0))
                 {
                     printf("The book is in the list.");
                     printf( "书名 :   %s\n", book[i].title);
@@ -110,24 +139,21 @@ int main()
                     printf("库存\n");
                     printf("请输入所需数量:");
                     int n;
-                    scanf("%d",n);
+                    scanf("%d",&n);
                     if(n>(book[i].base))
                     {
                         printf("所需数量不在库存范围内");
                     }
+                    else
+                    {
+                        book[i].base=book[i].base - n;
+                        printf("已选定%d 本 %s\n",n,book[i].title);
+                    }
+			}
 		}
 		}
 
 return 0;
 }
-} 
 
-/*void printBook( struct BOOK *book)
-{
-   printf( "Book title :   %s\n", book->title);
-   printf( "Book author :  %s\n", book->author);
-   printf( "Book publice : %s\n", book->publice);
-   printf( "Book time :    %s\n", book->time);
-}
-*/