📅  最后修改于: 2020-10-25 04:39:33             🧑  作者: Mango
表单小部件允许用户输入数据并为他们提供与应用程序的交互功能。每个Form小部件都从Widget类继承属性,而Widget类又从UIObject和Wigdet类继承属性。
Sr.No. | Widget & Description |
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1 |
GWT UIObject Class
This widget contains text, not interpreted as HTML using a element, causing it to be displayed with block layout.
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2 |
GWT Widget Class
This widget can contain HTML text and displays the html content using a element, causing it to be displayed with block layout.
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以下是一些重要的表单小部件–
Sr.No. | Widget & Description |
---|---|
1 |
Button
This widget represents a standard push button. |
2 |
PushButton
This widget represents a normal push button with custom styling. |
3 |
ToggleButton
This widget represents a stylish stateful button which allows the user to toggle between up and down states. |
4 |
CheckBox
This widget represents a standard check box widget. This class also serves as a base class for RadioButton. |
5 |
RadioButton
This widget represents a mutually-exclusive selection radio button widget. |
6 |
ListBox
This widget represents a list of choices to the user, either as a list box or as a drop-down list. |
7 |
SuggestBox
This widget represents a text box or text area which displays a pre-configured set of selections that match the user’s input. Each SuggestBox is associated with a single SuggestOracle. The SuggestOracle is used to provide a set of selections given a specific query string. |
8 |
TextBox
This widget represents a single line text box. |
9 |
PasswordTextBox
This widget represents a text box that visually masks its input to prevent eavesdropping.. |
10 |
TextArea
This widget represents a text box that allows multiple lines of text to be entered. |
11 |
RichTextArea
This widget represents a rich text editor that allows complex styling and formatting. |
12 |
FileUpload
This widget wraps the HTML element. |
13 |
Hidden
This widget represets a hidden field in an HTML form. |