java - HTML in JLabel not showing

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java - HTML in JLabel not showing

posted Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - HTML in JLabel not showing

JLabel label = new JLabel("<html><body>Hello world</body></html>");

shows nothing.

If I get rid of the tags, it shows plain text (as expected), so the JLabel is definitely being added and shown on the window.

Same for:

JEditorPane jep = new JEditorPane("text/html", "<html><body>Hello world</body></html>");

Any ideas?

I'm using java-6-openjdk with Eclipse. More details:

matt@matt-laptop:~$ java -version
java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.5) (6b20-1.9.5-0ubuntu1~10.04.1)
OpenJDK Server VM (build 19.0-b09, mixed mode)

matt@matt-laptop:~$ javac -version
javac 1.6.0_24

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1 Reply

深蓝 · Answer 1 · 2021-10-23T21:43:06+0000

If you want to mix fonts or colors within the text, or if you want formatting such as multiple lines, you can use HTML. HTML formatting can be used in all Swing buttons, menu items, labels, tool tips, and tabbed panes, as well as in components such as trees and tables that use labels to render text.

Refer this example HtmlDemo.java

In your example

 JLabel label = new JLabel("<html><body>Hello world</body></html>");

you are not applying any formating like <b>bold</b> or <i>italic</i> etc..

also <body></body> is not required.

Hope it helps.

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java - HTML in JLabel not showing

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