[英]How to make Java GUI settext recognize new lines for a 2 dimensional array input
我有一个char [xSize] [ySize]发送到我的GUI。 GUI将长字符串打印为一条长行,而不会识别其中的新行。 我可以使用什么方法或代码? 我当前使用的代码是:
JFrame frame1 = new JFrame("Start Screen");
JLabel label = new JLabel();
frame1.setVisible(true);
frame1.setSize(500, 500);
frame1.setLayout(new BorderLayout());
frame1.add(label, BorderLayout.NORTH);
//Code to recieve from other program:
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
String Sentence = new String(receivePacket.getData());
//Print received text to GUI:
label.setText(Sentence);
提前致谢
对于JLabel
,您需要先用<br>
替换新行( \\n
),然后将文本包装在<html>...</html>
String Sentence = new String(receivePacket.getData());
//Print received text to GUI:
label.setText("<html>" + Sentence.replaceAll("\n", "<br>") + "</html>");
或者,您也可以改为使用不可编辑的JTextArea
...
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