java多线程读取分割的文件_java多线程批量读取文件(二)--读写分离

set = map.keySet();

for (Iteratoriter = set.iterator(); iter.hasNext();)

{

fileName = iter.next().toString();

fis = map.get(fileName);

System.out.println(Thread.currentThread().getName() + " 线程开始写文件 ：" + fileName + " ,时间为 "+ sdf.format(new Date()));

try {

isr = new InputStreamReader(fis, "utf-8");

br = new BufferedReader(isr);

dirFile = new File("d:" + File.separator + "gc3" + File.separator + fileName);

fw = new FileWriter(dirFile);

bw = new BufferedWriter(fw);

String data = "";

bw.write("+++++++++++++" + Thread.currentThread().getName() + " 线程开始写文件++++++++++++");

while ((data = br.readLine()) != null) {

bw.write(data + "\r");

}

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} finally {

try {

bw.close();

br.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

} catch (InterruptedException e) {

e.printStackTrace();

} catch (ExecutionException e) {

e.printStackTrace();

}

}

}

}