BufferedWriter向文件中写数据

File file = new File("C:\\Users\\Administrator\\Desktop\\通讯录.txt");

try {

if (jTextField1.getText().equals("")

|| jTextField2.getText().equals("")

|| jTextField3.getText().equals("")) {

JOptionPane.showMessageDialog(jButton1, "请输入完整信息！");

return;

}

if (!file.exists())

file.createNewFile();

BufferedWriter out = new BufferedWriter(new OutputStreamWriter(

new FileOutputStream(file, true)));

out.write("姓名：" + jTextField1.getText() + ", ");

out.write("邮箱：" + jTextField2.getText() + ", ");

out.write("电话：" + jTextField3.getText());

out.newLine();

out.close();

JOptionPane.showMessageDialog(jButton1, "录入成功！");