java 将 HTML 内容添加到与 JTextPane 关联的文档
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Add HTML content to Document associated with JTextPane
提问by Serhiy
I have a question regarding some simple console I'm making. I know that it's possible to add html content to JTextPane with function setText()with previously set setContentType("text/html");. But for the needs of my application I need to work directly with javax.swing.text.Document, which I get with getDocument()function(for example for removing the lines and appending the new ones, yes it's kind of console I'm making and I have already seen several examples in previous StackOverflow questions, but none of them serves my needs). So, what I want is insert the HTML to the document and have it correctly rendered on my JTextPane. The problem is when I add HTML content with insertString()method(which belongs to the document), JTextPane is not rendering it, and in output I see all the html tags. Is there any way to get this working correctly?
我有一个关于我正在制作的简单控制台的问题。我知道可以setText()使用先前设置的函数将 html 内容添加到 JTextPane setContentType("text/html");。但是为了我的应用程序的需要，我需要直接使用 javax.swing.text.Document，我使用getDocument()函数获得它（例如，用于删除行并附加新行，是的，这是我正在制作的一种控制台，我在之前的 StackOverflow 问题中已经看到了几个例子，但没有一个满足我的需求）。所以，我想要的是将 HTML 插入到文档中，并让它在我的 JTextPane 上正确呈现。问题是当我使用insertString()方法（属于文档）添加 HTML 内容时，JTextPane 没有呈现它，并且在输出中我看到了所有的 html 标签。有没有办法让它正常工作？
That's how I insert the text:
这就是我插入文本的方式：
text_panel = new JTextPane();
text_panel.setContentType("text/html");
//...
Document document = text_panel.getDocument();
document.insertString(document.getLength(), line, null);
text_panel.setCaretPosition(document.getLength());
回答by dogbane
You need to insert using an HTMLEditorKit.
您需要使用HTMLEditorKit插入。
JTextPane text_panel = new JTextPane();
HTMLEditorKit kit = new HTMLEditorKit();
HTMLDocument doc = new HTMLDocument();
text_panel.setEditorKit(kit);
text_panel.setDocument(doc);
kit.insertHTML(doc, doc.getLength(), "<b>hello", 0, 0, HTML.Tag.B);
kit.insertHTML(doc, doc.getLength(), "<font color='red'><u>world</u></font>", 0, 0, null);
