java读取txt文件.以及解决其乱码问题..
java的io操作文件中数txt文件最简单了..一般在读写时时候要注意乱码问题..这个问题数简单也不简单..
得从创建记事本开始说起.
有两种创建方式：
一、是程序创建：创建的时候回规定其编码方式
二、是在桌面右键 新建 记事本。这时候一般我们都不会可以的去选择其编码方式
所以就会出现乱码的问题...
/*-------------------------------------------------------------------------*/
import java.io.*;
public class ReadWriteFile {
public static void main(String args[])
{
try
{
File read=new File("E:\\test.txt");
File write=new File("E:\\test1.txt");
BufferedReader br=new BufferedReader(new FileReader(read));
BufferedWriter bw=new BufferedWriter(new FileWriter(write));
String temp=null;
temp=br.readLine();
while(temp!=null)
{
//System.out.println("写了一行");
bw.write(temp+"\r\n");
temp=br.readLine();
}
bw.close();
br.close();
}
catch(FileNotFoundException e)
{
System.out.println("文件没有找到异常");
}
catch(IOException e)
{
System.out.println(e.getMessage());
}
}
}
/*-------------------------------------------------------------------------*/
import java.io.*;
public class ReadWriteFile {
public static void main(String args[])
{
try
{
File read=new File("E:\\test.txt");
File write=new File("E:\\test1.txt");
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(read), "GBK"));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(write), "GBK"));
String temp=null;
temp=br.readLine();
while(temp!=null)
{
//System.out.println("写了一行");
bw.write(temp+"\r\n");
temp=br.readLine();
}
bw.close();
br.close();
}
catch(FileNotFoundException e)
{
System.out.println("文件没有找到异常");
}
catch(IOException e)
{
System.out.println(e.getMessage());
}
}
}
/*----------------------------------------------------------------------------*/
这样改 大功告成.......................
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