struts-html.html

struts api,学习使用struts必备的文档

            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">style</td>
<td>
                CSS styles to be applied to this HTML element.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">styleClass</td>
<td>
                CSS stylesheet class to be applied to this HTML element
                (renders a "class" attribute).
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">styleId</td>
<td>
                Identifier to be assigned to this HTML element (renders
                an "id" attribute).
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">tabindex</td>
<td>
                The tab order (ascending positive integers) for this element.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">title</td>
<td>
                  <p>The advisory title for this element.</p>
                  
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">titleKey</td>
<td>
                  <p>The message resources key for the advisory title
                  for this element.</p>
                  
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">value</td>
<td>
                Value of the label to be placed on this button. This value will
                also be submitted as the value of the specified request parameter.
                [Body of this tag (if any), or "Cancel"]
            
            [RT Expr]
          </td>
</tr>
</table>
</div>
<p>
<a href="#top">Back to top</a>
</p>
<h3 id="checkbox">
<strong>checkbox</strong> - 
            Render A Checkbox Input Field
        </h3>
<div class="indent">
            <p>Renders an HTML &lt;input&gt; element of type
                        <code>checkbox</code>, populated from the specified
                        value or the specified property of the bean associated
                        with our current form. This tag is only valid when
                        nested inside a form tag body.</p>

            <p>
<strong>NOTE</strong>:  The underlying property value
            associated with this field should be of type <code>boolean</code>,
            and any <code>value</code> you specify should correspond to one
            of the Strings that indicate a true value ("true", "yes", or
            "on").  If you wish to utilize a set of related String values,
            consider using the <code>multibox</code> tag.</p>

                        <p>
<strong>WARNING</strong>:  In order to correctly
                        recognize unchecked checkboxes, the
                        <code>ActionForm</code> bean associated with this form
                        must include a statement setting the corresponding
                        boolean property to <code>false</code> in the
                        <code>reset()</code> method.</p>
        <table class="tag-attributes">
<thead>
<tr>
<th class="attribute">Attribute Name</th>
<th>Description</th>
</tr>
</thead>
<tr class="evenRow">
<td align="center">accesskey</td>
<td>
                The keyboard character used to move focus immediately to this
                element.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">alt</td>
<td>
                <p>The alternate text for this element.</p>
                
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">altKey</td>
<td>
                <p>The message resources key of the alternate text for this
                element.</p>
                
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">bundle</td>
<td>
                    The servlet context attributes key for the MessageResources
                    instance to use.  If not specified, defaults to the
                    application resources configured for our action servlet.
                <p class="since">Since:  Struts 1.2.5</p>
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">disabled</td>
<td>
          Set to <code>true</code> if this input field should be
          disabled.
          
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">errorKey</td>
<td>
                  <p>Name of the request scope bean under which our error messages
                  have been stored.  If not present, the name specified by the
                  <code>Globals.ERROR_KEY</code> constant string will be used.</p>

                  <p>
<strong>N.B.</strong> This is used in conjunction with the 
                  <code>errorStyle</code>, <code>errorStyleClass</code> and 
                  <code>errorStyleId</code> attributes and should be set to
                  the same value as the <code>name</code> attribute on the
                  &lt;html:errors/&gt; tag.</p> 
            <p class="since">Since:  Struts 1.2.5</p>
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">errorStyle</td>
<td>
                <p>CSS styles to be applied to this HTML element if
                an error exists for it.</p>

                <p>
<strong>N.B.</strong> If present, this overrides the 
                <code>style</code> attribute in the event of an error.</p>
            <p class="since">Since:  Struts 1.2.5</p>
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">errorStyleClass</td>
<td>
                <p>CSS stylesheet class to be applied to this HTML element if
                an error exists for it (renders a "class" attribute).</p>

                <p>
<strong>N.B.</strong> If present, this overrides the 
                <code>styleClass</code> attribute in the event of an error.</p>
            <p class="since">Since:  Struts 1.2.5</p>
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">errorStyleId</td>
<td>
                <p>Identifier to be assigned to this HTML element if
                an error exists for it (renders an "id" attribute).</p>

                <p>
<strong>N.B.</strong> If present, this overrides the 
                <code>styleId</code> attribute in the event of an error.</p>
            <p class="since">Since:  Struts 1.2.5</p>
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">indexed</td>
<td>
                Valid only inside of <code>logic:iterate</code> tag.
                If <code>true</code> then name of the html tag will be rendered as
                "id[34].propertyName". Number in brackets will be generated
                for every iteration and taken from ancestor logic:iterate tag.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">name</td>
<td>
                The attribute name of the bean whose properties are consulted when
                rendering the current value of this input field. If not specified,
                the bean associated with the form tag we are nested within is utilized.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onblur</td>
<td>
                JavaScript event handler executed when this element loses input
                focus.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">onchange</td>
<td>
                JavaScript event handler executed when this element loses input
                focus and its value has changed.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onclick</td>
<td>
                JavaScript event handler executed when this element receives a
                mouse click.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">ondblclick</td>
<td>
                JavaScript event handler executed when this element receives a
                mouse double click.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onfocus</td>
<td>
                JavaScript event handler executed when this element receives input
                focus.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">onkeydown</td>
<td>
                JavaScript event handler executed when this element has focus and a
                key is depressed.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onkeypress</td>
<td>
                JavaScript event handler executed when this element has focus and a
                key is depressed and released.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">onkeyup</td>
<td>
                JavaScript event handler executed when this element has focus and a
                key is released.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onmousedown</td>
<td>
                JavaScript event handler executed when this element is under the mouse
                pointer and a mouse button is depressed.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">onmousemove</td>
<td>
                JavaScript event handler executed when this element is under the
                mouse pointer and the pointer is moved.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onmouseout</td>
<td>
                JavaScript event handler executed when this element was under the
                mouse pointer but the pointer was moved outside the element.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">onmouseover</td>
<td>
                JavaScript event handler executed when this element was not under
                the mouse pointer but the pointer is moved inside the element.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">onmouseup</td>
<td>
                JavaScript event handler executed when this element is under the
                mouse pointer and a mouse button is released.
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">property</td>
<td>
                Name of the request parameter that will be included with this
                submission, set to the specified value.
            
            [Required]
          
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">style</td>
<td>
                <p>CSS styles to be applied to this HTML element.</p>

                <p>
<strong>N.B.</strong> If present, the <code>errorStyle</code>
                overrides this attribute in the event of an error for the element.</p>
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">styleClass</td>
<td>
                <p>CSS stylesheet class to be applied to this HTML element
                (renders a "class" attribute).</p>

                <p>
<strong>N.B.</strong> If present, the <code>errorStyleClass</code>
                overrides this attribute in the event of an error for the element.</p>
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">styleId</td>
<td>
                <p>Identifier to be assigned to this HTML element (renders
                an "id" attribute).</p>

                <p>
<strong>N.B.</strong> If present, the <code>errorStyleId</code>
                overrides this attribute in the event of an error for the element.</p>
            
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">tabindex</td>
<td>
                The tab order (ascending positive integers) for this element.
            
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">title</td>
<td>
                  <p>The advisory title for this element.</p>
                  
            [RT Expr]
          </td>
</tr>
<tr class="evenRow">
<td align="center">titleKey</td>
<td>
                  <p>The message resources key for the advisory title
                  for this element.</p>
                  
            [RT Expr]
          </td>
</tr>
<tr class="oddRow">
<td align="center">value</td>
<td>
                        The value to be transmitted if this checkbox is
                        checked when the form is submitted.  If not specified,