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Struts 2 UI Tags

Struts 2 UI Tags are mainly designed to use the data from your action/value stack or from Data Tags. These tags are used to display the data on the HTML page. The UI tags are driven by templates and themes.

Struts 2 Tags are of two types: Generic Tags and UI tags.

Struts UI Tags are further classified into:

Form Tags:

• form - tag renders HTML an input form.
• textfield - tag renders an HTML input field of type text.
• submit - tag renders a submit button. It is used with form tag.
• password - tag renders an HTML input tag of type password.
• textarea - tag renders an HTML textarea.
• hidden - tag renders an HTML input element of type hidden
• checkbox - tag renders an HTML input element of type checkbox.
• checkboxlist - tag creates a series of checkboxes from a list.
• combobox - tag is a combination of HTML INPUT of type text and HTML SELECT.
• radio - tag renders a radio button input field.
• select - tag renders an HTML input tag of type select.
• doubleselect - tag renders two HTML select elements with second one changing displayed values depending on selected entry of first one.
• optgroup - tag creates an optgroup component which needs to reside within a select tag
• updownselect - tag creates a select component with buttons to move up and down the elements.
• optiontransferselect - tag creates an option transfer select component.

Non Form Tags:

• actionerror - tag renders action errors if they exist
• fielderror - tag renders field errors if they exists.
• actionmessage - tag renders action messages if they exists.
• component - tag renders custom UI widget using the defined templates
• div - tag creates an HTML <div>

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