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用java.swing/awt写的界面,jcombobox组件无法显示,但是可以点选(下拉框会出现)。有时候点了其他选项,整个选择框就会显示出来。同学的windows系统上不会出现这个问题,请问该怎么办?有解决办法吗?
可以参考一下这段代码:
JComboBox select = new JComboBox(); select.setBounds(0, 0, 200, 30); select.addItem("Item1"); select.addItem("Item2"); select.addItem("Item3"); select.addItem("DefaultItem"); select.setSelectedItem("DefaultItem"); select.setEditable(true); getContentPane().add(select);
可以参考一下这段代码: