java 从 JComboBox 获取输入值
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Get input values from JComboBox
提问by special
How can I get the input for an editable JComboBox. When user gives an input to the combo how I can get the input text from it?
如何获取可编辑JComboBox. 当用户向组合提供输入时，我如何从中获取输入文本？
回答by Howard
You need to get the edited text from the combobox editor via combo.getEditor().getItem().
回答by Federico Vera
If you need the text that is selected on a JComboBoxand you are sure it's a Stringand not any other object, just use something like String text = (String)myCombobox.getSelectedItem().
If the thing you have in your Modelis other than a String, then you need to cast it to the appropriate class, and then use the toString()method of that object.
If you need more help, you should paste a bit of your code, at least declaration and inicialization of your JComboBox...
如果您需要在 a 上选择的文本JComboBox并且您确定它是 aString而不是任何其他对象，只需使用类似String text = (String)myCombobox.getSelectedItem(). 如果你的东西Model不是 a String，那么你需要将它转换为适当的类，然后使用该toString()对象的方法。如果您需要更多帮助，您应该粘贴一些代码，至少是声明和初始化JComboBox...
回答by zip
Just have a look at the oracle tutorial. They do explain how to handle the common swing components http://docs.oracle.com/javase/tutorial/uiswing/components/combobox.html
看看oracle教程就知道了。他们确实解释了如何处理常见的 Swing 组件http://docs.oracle.com/javase/tutorial/uiswing/components/combobox.html
