It took less than 10k of JSP code to implement a set of tag files that produce the basic form elements: lists, text fields, radio buttons, check boxes, and submit buttons.

只需不到10k的JSP代码就可以实现一组标记文件，这些文件生成基本的表单元素：列表、文本字段、单选按钮、复选框和提交按钮。

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You'll also learn how to modify the ICONS used to draw widgets such as check boxes, radio buttons, trees, and file dialogs.

您还将学习如何修改用于绘制窗口小部件(例如复选框、单选按钮、树以及文件对话框)的图标。

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For example, you may want to modify the ICONS used by the check boxes and radio buttons to paint their status, or you may want to use other ICONS to paint the folders and nodes of a tree component.

例如，您可能想修改复选框和单选按钮所使用的图标以便绘出它们的状态，或者使用其他的图标来绘制文件夹和树组件的节点。

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