有没有办法让 jtextfield 的一侧(即右边框线)着色 [英] Is there any way to get one side(i.e., right bordered line) of the jtextfield colored

问题描述

我准备了一个摆动框架，在其中放置了两个文本字段.有没有办法让 jtextfield 的一侧(即右边框线)着色?请建议.我检查了很多东西，但找不到.提前致谢.

Hi I prepared one swing frame in which I placed two text fields. Is there any way to get one side(i.e., right bordered line) of the jtextfield colored? Please suggest. I checked many things, but I couldn't find.Thanks in advance.

推荐答案

我会在文本字段中添加一个边框，大致如下:

I would add a Border to the text field, something along the lines of:

Border oldBorder = jTextField.getBorder();
Border redBorder = BorderFactory.createMatteBorder(0, 0, 0, 5, Color.RED);
Border newBorder = BorderFactory.createCompoundBorder(redBorder, oldBorder);
jTextField.setBorder(newBorder);

此方法保留旧边框并将其包裹在红色(部分)边框内.

This approach keeps the old border and wraps it inside your red (partial) border.

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