thhird commit

通讯录.c

@@ -80,13 +80,91 @@ void add()
 //ÐÞ¸Ä 
 void modify()
 {
-	
+	char namekey[8];
+	printf("输入要查询的姓名：");
+	scanf("%s",namekey);
+	if((fp=fopen("user.txt","ab+"))==NULL)		//打开文件		
+	{
+		printf("\n不能打开文件！\n");
+		exit(0);
+	}
+	int m=0,t=1;
+	while(!feof(fp))
+	{
+		fread(&user[m],sizeof(struct user),1,fp)==1;		//读取结构体中一个用户信息	
+		if(!strcmp(user[m].name,namekey))					//判断是否相同 
+		{
+			t=0;											//若相同，则在后面if句中输出 
+			break;
+		}
+		m++;
+	}
+	if(t)
+		printf("未找到\n"),fclose(fp),system("pause"),menu();
+	else
+	{
+		printf("找到\n");
+		printf("姓名\t\t籍贯\t\t电话1\t\t电话2\t\t邮箱\n");
+		printf("%-8s\t",user[m].name);
+		printf("%-15s\t",user[m].place);
+		printf("%-15s\t",user[m].tel1);
+		printf("%-15s\t",user[m].tel2);
+		printf("%-20s\t",user[m].email);
+	}
+	printf("\n您想要修改哪条信息？\n\n1.姓名\t2.籍贯\t3.电话1\t4.电话2\t5.邮箱\t其它任意键.不修改");	//修改信息提示 
+	int a;					//修改的信息序号 
+	scanf("%d",&a);
+	char *newname;
+	char nweplace[15];
+	char newtel1[15];
+	char newtel2[15];
+	char newemail[20];
+	switch(a)
+	{
+		case 1:scanf("%s",newname),strcpy(user[m].name,newname),printf("%s",user[m].name);break;
+		default:break;
+	}
+	printf("修改成功\n");
+	fclose(fp);
+	system("pause");
 	menu();
 }
 //²éѯ 
 void search()
 {
-	
+	char namekey[8];
+	printf("输入要查询的姓名：");
+	scanf("%s",namekey);
+	if((fp=fopen("user.txt","r"))==NULL)		//打开文件		
+	{
+		printf("\n不能打开文件！\n");
+		exit(0);
+	}
+	int m=0,t=0;
+	while(!feof(fp))
+	{
+		fread(&user[m],sizeof(struct user),1,fp)==1;		//读取结构体中一个用户信息	
+		if(!strcmp(user[m].name,namekey))					//判断是否相同 
+		{
+			t=1;											//若相同，则在后面if句中输出 
+			break;
+		}
+		m++;
+	}
+	if(t)
+	{
+		printf("找到\n");
+		printf("姓名\t\t籍贯\t\t电话1\t\t电话2\t\t邮箱\n");
+		printf("%-8s\t",user[m].name);
+		printf("%-15s\t",user[m].place);
+		printf("%-15s\t",user[m].tel1);
+		printf("%-15s\t",user[m].tel2);
+		printf("%-20s\t",user[m].email);
+	}
+	else
+		printf("未找到\n");
+	fclose(fp);
+	system("pause");
 	menu();
 }
 //ä¯ÀÀ