dealer.java

java课程的资料以及实验的代码

import java.io.*;

public class Dealer
{
	String dName;
	String dAddress;
	String dPhone;
	String dService;
	
	InputStreamReader isReader;//用来从输入读取数据字节
	BufferedReader bfReader;   //缓冲读取，提高性能
	FileOutputStream fosWriter;//用来向文件中写入数据字节
	 
	public Dealer()
	{
		try
		{
			isReader = new InputStreamReader(System.in);
			bfReader = new BufferedReader(isReader);
			
			System.out.println("商人姓名：");
			dName = bfReader.readLine();
			
			System.out.println("地址：");
			dAddress = bfReader.readLine();
			
			System.out.println("电话：");
			dPhone = bfReader.readLine();		
			
			System.out.println("服务：");
			dService = bfReader.readLine();	
			
			isReader.close();//关闭流
			bfReader.close();//关闭流
			
			fosWriter = new FileOutputStream("c:\\cust2.txt");
			String strInfo = dName + ":" + dAddress + ":" + dPhone + ":" + dService;

			//String的getBytes()方法是得到一个字符串的字节数组
			fosWriter.write(strInfo.getBytes());//以字节流写入
			fosWriter.close();//关闭流
			System.out.println("成功写入~");						
		}
		
		catch(FileNotFoundException fe)
		{
			System.out.println("文件未找到");				
		}
		catch(IOException ioe)
		{
			System.out.println("IO异常");				
		}
	}
	
	public static void main(String[] args)
	{
		new Dealer();
	}
}