ios - 请问 swing jframe 怎么实现 窗体周围的这种荧光效果.

Answer 1

This is not fluorescence, it’s a blurred border. Java does not seem to have this class, you can use the third jar package.
ShadowBorder.java
http://pan.baidu.com/share/link?shareid=102743&uk=3256038118
The third-party library jar file download link for drawing Gaussian blur:
http://mvnrepository.com/artifact/ com.jhlabs/filters