io问题

[leonard_sun]

源码:
import java.io.*;
class inread{
public static void mian(String args[])
{
FileInputStream fis = new FileInputStream("c:\s.txt");
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr);
String s = br.readLine();
System.out.println(s);
br.close();
}
}
错在哪啊
--------------------Configuration: <Default>--------------------
C:\inread.java:5: illegal escape character
FileInputStream fis = new FileInputStream("c:\\s.txt");
^
1 error

Process completed.

[jragon]

试一下下面的代码，增加异常的抛出
import java.io.*;
public class inread{
public static void main(String args[]) throws IOException
{
FileInputStream fis = new FileInputStream("c:/s.txt");
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr);
String s = br.readLine();
System.out.println(s);
br.close();
}
}

[725137]

增加异常的抛出
二是文件中\要用转议符
应该写成C:\\s.txt

[denny008]

可以了,但是只能读一行怎么实现连续读几行啊

[pengpenglin]

用while(in.readLine()!=null){ String s = in.readLine()}

[yonghar]

你想读几行就执行多少次readline嘛。不过最好要加个判断。

也可以使用读字节的。

[做鸡真好吃]

???????????

[dogod]

import java.io.*;

public class Inread{
public static void main(String args[])
{
try{
//FileInputStream fis = new FileInputStream("c:\\s.txt");
//InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(
new InputStreamReader(
new FileInputStream("c:\\s.txt")));
String s;
while((s=br.readLine())!=null)
System.out.println(s);
br.close();
}catch(IOException e){e.printStackTrace();}
}
}

[lyf040230427]

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try{
String s;
while((s = br.readLine()) != null) //null即是ctrl+z而不是空格．
System.out.println(s);
}catch(IOException e){
e.printStackTrace(System.err);
}finally{
br.close();
}

[已经存在]

BufferedReader br = new BufferedReader(
new InputStreamReader(
new FileInputStream("c:\\s.txt")));
这样写简单多了。
还有你的main好像写成mian了

[aywrenyue]

同意
dogod(那天,正喝着汤,猛然间....睡着了!)

[hellosjz]

多读几行可以加个控制，这样就OK了

[wenlong1045]

dogod(那天,正喝着汤,猛然间....睡着了!)
写的比较规范