Question

java BufferedWriter 读入文本内容再输出 就是用就Java做一个文本编辑器~

文本编辑器，里面有个 打开一个文本文档的功能，怎么样才能让文本文档的内容读写到我的文本编辑器里面？上面的图片是我的代码，求大神帮助修改，能运行的~

class OpenFile implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
try
{
FileDialog d=new FileDialog(MenuWindow.this,"打开文件",FileDialog.LOAD);
d.setVisible(true);
fileName=d.getDirectory()+d.getFile();
BufferedReader bfw = new BufferedReader(new FileReader(fileName));

bfw.write(textArea.getText(),0,textArea.getText().length());
bfw.flush();
bfw.close();
}
catch(Exception e1){}
}
}

Answer 1

class OpenFile implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
try
{
FileDialog d=new FileDialog(MenuWindow.this,"打开文件",FileDialog.LOAD);
d.setVisible(true);
fileName=d.getDirectory()+d.getFile();
BufferedReader bfw = new BufferedReader(new FileReader(fileName));

String line = null;
while((line=bfw.readLine())!=null){

textArea.setText(line+"\n");

}

bfw.flush();
bfw.close();
}
catch(Exception e1){}
}
}

Answer 2

BufferedReader 能写文件吗。

BufferedWriter bfw = new BufferedWriter(newFileWriter(fileName));

bfw.write(textArea.getText() );
bfw.flush();
bfw.close();