Question

使用Filestream文件流和StreamWriter对象

创建控制台程序，添加Book类，包含属性书名(string),出版社(string),作者(string),价格(double).
创建几个图书对象，将他们的属性值打印到文本文件．
提示：
(1)使用Filestream文件流和StreamWriter对象.
(2)多本书，需要循环输入

Answer 1

下面就是你要的
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
StreamWriter streamWriter = new StreamWriter(@"D:\Book.txt",true);
Book book = new Book();
while (true)
{
Console.WriteLine("请输入书名:");
book.Name = Console.ReadLine();
Console.WriteLine("请输入出版社:");
book.Publisher = Console.ReadLine();
Console.WriteLine("请输入作者:");
book.Author = Console.ReadLine();
Console.WriteLine("请输入价格:");
book.Cost = Convert.ToDouble(Console.ReadLine());
Console.Clear();
streamWriter.Write("书名:"+book.Name+" ");
streamWriter.Write("出版社:"+book.Publisher+" ");
streamWriter.Write("作者:"+book.Author+" ");
streamWriter.WriteLine("价格:" + book.Cost);
streamWriter.Flush();
}
}
}
class Book
{
public Book()
{

}
private string name;

public string Name
{
get { return name; }
set { name = value; }
}
private string publisher;

public string Publisher
{
get { return publisher; }
set { publisher = value; }
}
private string author;

public string Author
{
get { return author; }
set { author = value; }
}
private double cost;

public double Cost
{
get { return cost; }
set { cost = value; }
}
}
}