Java - 在JTextArea中将设置颜色设置为文本 [英] Java - Swing setting colour to text in JTextArea
问题描述
我有一个JTextArea，其文本设置为一个信息字符串。在这个信息串中，我有一个变量，我想变成红色，这样我编辑字符串如下：
I have a JTextArea which has its text set to a string of information. In this string of information I have a variable which I would like coloured red, to do this I edit the string as follows:
"Result: <html><font color=red>" + negativeValue + "</font></html>"
我希望这会给出结果：##，其中数字是红色的。但它只是将以下内容放入文本区域：
I would expect this to give Result: ## where the number is red. However it just puts the following into the text area:
Result: <html><font color=red>##</font></html>
我不知道如何让这个工作，所以有人可以提供如何这样做？
I'm not really sure how to get this working, so could someone offer advice as to how to do so?
推荐答案
JTextArea 。如果文字可以是全部一种颜色，请调用 setForeground（Color） 。
JTextArea is not a component designed for styled text. If the text can be all one color, call setForeground(Color).
否则请使用样式文字元件，例如 JEditorPane 或 JTextPane 。更多信息。有关使用它们的信息，请参见如何使用编辑器窗格和文本窗格。
Otherwise use a styled text component such as a JEditorPane or JTextPane. For more info. on using them, see How to Use Editor Panes and Text Panes.
还有其他人指出，整个 String 必须以< html> 。
Also as pointed out by others, the entire String must start with <html> .
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