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我正在研究一个简单的文件阅读器。它读取.txt文件,然后格式化输出并在JTextArea中显示输出。出于某种原因,输出无法正确显示。我已经给出了我的当前代码,后面跟着下面的文本文件内容。我该如何解决这个JTextArea格式错误?
代码
public static JTextArea display = new JTextArea();
public static void main(String[] args) {
// GUI
JFrame frame = new JFrame("Haberdasher");
frame.setSize(450, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
JPanel container = new JPanel();
container.setLayout(null);
frame.setContentPane(container);
JScrollPane scroll = new JScrollPane(display);
scroll.setBounds(10, 10, 415, 150);
container.add(scroll);
frame.toFront();
frame.setVisible(true);
// Logic
String path = "src//employees.txt";
boolean endOfFile = false;
String output = "Name" + "\t\t" + "Weekly Sales" + "\t\t" + "Weekly Pay" + "\n";
try {
FileReader fr = new FileReader(path);
BufferedReader br = new BufferedReader(fr);
while (!endOfFile) {
String name = br.readLine();
if(name == null) {
endOfFile = true;
} else {
int sale = Integer.parseInt(br.readLine());
if(name.length() >= 16) {
output += name + "\t" + sale + "\t\t" + "300" + "\n";
} else {
output += name + "\t\t" + sale + "\t\t" + "300" + "\n";
}
}
}
br.close();
System.out.println(output);
display.setText(output);
} catch (IOException e) {
System.out.println(e);
}
}
employees.txt内容:http://hastebin.com/ijuyedizil.nginx
预期输出:http://hastebin.com/epesipatot.nginx
要么不打印整个名称或使用其他选项卡 –
您必须根据要打印的字符串的长度来制作打印的标签数量(\ t)。 –
您的预期产出是多少?这种对齐问题是否是问题? – Coder