从记事本中读取内容,但是不能读取中文
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import java.io.*;
public class ErrorHand{
public static void main(String[] args)
{
try{
File file=new File("read.txt");
FileInputStream fis=new FileInputStream(file);
FileOutputStream fos=new FileOutputStream(file);
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
int c;
while((c=in.read())!=-1)
fos.write(c); fos.close();
BufferedReader out = new BufferedReader(new FileReader("read.txt"));
System.out.println("从read.txt"+"文件读取的内容是:");
String content="";
while((content=out.readLine())!=null){
System.out.println(content);//读一行输出一行
}
fis.close();
}
catch(FileNotFoundException w){
System.out.println(w.toString());
}
catch(IOException e){
System.out.println(e.toString());
}
}
}
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import java.io.*;
public class ErrorHand{
public static void main(String[] args)
{
try{
File file=new File("read.txt");
FileInputStream fis=new FileInputStream(file);
FileOutputStream fos=new FileOutputStream(file);
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
int c;
while((c=in.read())!=-1)
fos.write(c); fos.close();
BufferedReader out = new BufferedReader(new FileReader("read.txt"));
System.out.println("从read.txt"+"文件读取的内容是:");
String content="";
while((content=out.readLine())!=null){
System.out.println(content);//读一行输出一行
}
fis.close();
}
catch(FileNotFoundException w){
System.out.println(w.toString());
}
catch(IOException e){
System.out.println(e.toString());
}
}
}
public class ReadFile {
public static void main(String[] args) {
try{
File file=new File("data.dat");
FileWriter fos=new FileWriter(file);
//FileOutputStream fos=new FileOutputStream(file);
BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); System.out.println("aaa");
int c;
while((c=in.read())!='\n')
fos.write(c);
System.out.println("bbb");
fos.close();
BufferedReader out = new BufferedReader(new FileReader("data.dat"));
System.out.println("从data.dat"+"文件读取的内容是:");
String content="";
while((content=out.readLine())!=null){
System.out.println(content);//读一行输出一行
}
}
catch(FileNotFoundException w){
System.out.println(w.toString());
}
catch(IOException e){
System.out.println(e.toString());
}
}
}按着上面的代码改一边应该行了,我觉得你要用Reader读取就应定要用Writer来写入文件。