如何从textarea中删除元素？ [英] How do I delete element from textarea ?

问题描述

这是我的代码我想从textarea删除所选元素

this is my code i want to delete selected element from textarea

private class Listener2 implements ActionListener {
    @Override
    public void actionPerformed(ActionEvent ae) {
        string=area.getSelectedText();
    if(string!=" "){
        area.replaceSelection(" ");
       }else{
        JOptionPane.showMessageDialog(null,"Select something");
    }

    }
}

什么我试过了：



i尝试用空字符串替换所选项目但我想删除它

What I have tried:

i tried to replace the selected item with empty string but i want to delete it

推荐答案

根据 replaceSelection（String content） [ ^ ]

Quote：

如果没有替换文本这个等于删除当前选择。

If there is no replacement text this amounts to a removal of the current selection.

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