Java文件编码及读写

try {

BufferedReader bufReader = new BufferedReader(new InputStreamReader(new FileInputStream(inFile), "UTF-8"));

BufferedWriter outWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "UTF-8"));

String line = null;

while ((line = bufReader.readLine()) != null) {

line = line.trim();

if (!line.isEmpty() && !line.startsWith("#")) {

String word = line.toLowerCase();

// do something

// output

outWriter.write(word, 0, word.length());

}

}

bufReader.close();

outWriter.close();

} catch (UnsupportedEncodingException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}