import java.io.*;

public class Example {

static final int lineLength = 81;

public static void main(String[] args) {

FileOutputStream fos;

byte[] phone = new byte[lineLength];

byte[] name = new byte[lineLength];

try {

fos = new FileOutputStream("word.txt");

while (true) {

System.err.println("请输入一个名字：");

if ("done".equalsIgnoreCase(new String(name, 0, 0, 4))) {

System.out.println("录入完毕");

break;

}

System.err.println("请输入电话号：");

readLine(phone);

for (int i = 0; phone[i] != 0; i++) {

fos.write(phone[i]);

}

fos.write(',');

for (int j = 0; name[j] != 0; j++) {

fos.write(name[j]);

}

fos.write('\n');

System.out.println("信息已经写入文件");

}

fos.close();

} catch (Exception e) {

// TODO 自动生成 catch 块

e.printStackTrace();

}

}

private static void readLine(byte[] name) throws IOException {

int b = 0, i = 0;

while ((i < (lineLength - 1)) && (b = System.in.read()) != '\n') {

name[i++] = (byte) b;

}

name[i] = (byte) 0;

}

}