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data objects that we will iterate over in this component's rendering.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getFamily()">getFamily</A></B>()</CODE><BR> Return the identifier of the component family to which this component belongs.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getFirst()">getFirst</A></B>()</CODE><BR> Return the zero-relative row number of the first row to be displayed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getFooter()">getFooter</A></B>()</CODE><BR> Return the footer facet of this component (if any).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getHeader()">getHeader</A></B>()</CODE><BR> Return the header facet of this component (if any).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getRowCount()">getRowCount</A></B>()</CODE><BR> Return the number of rows in the underlying data model.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getRowData()">getRowData</A></B>()</CODE><BR> Return the data object representing the data for the currently selected row index, if any.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getRowIndex()">getRowIndex</A></B>()</CODE><BR> Return the zero-relative index of the currently selected row.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getRows()">getRows</A></B>()</CODE><BR> Return the number of rows to be displayed, or zero for all remaining rows in the table.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getValue()">getValue</A></B>()</CODE><BR> Return the value of the UIData.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#getVar()">getVar</A></B>()</CODE><BR> Return the request-scope attribute under which the data object for the current row will be exposed when iterating.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#invokeOnComponent(javax.faces.context.FacesContext, java.lang.String, javax.faces.component.ContextCallback)">invokeOnComponent</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> clientId, <A HREF="../../../javax/faces/component/ContextCallback.html" title="interface in javax.faces.component">ContextCallback</A> callback)</CODE><BR> Override behavior from <A HREF="../../../javax/faces/component/UIComponentBase.html#invokeOnComponent(javax.faces.context.FacesContext, java.lang.String, javax.faces.component.ContextCallback)"><CODE>UIComponentBase.invokeOnComponent(javax.faces.context.FacesContext, java.lang.String, javax.faces.component.ContextCallback)</CODE></A> to provide special care for positioning the data properly before finding the component and invoking the callback on it.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#isRowAvailable()">isRowAvailable</A></B>()</CODE><BR> Return a flag indicating whether there is <code>rowData</code> available at the current <code>rowIndex</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#processDecodes(javax.faces.context.FacesContext)">processDecodes</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Override the default <A HREF="../../../javax/faces/component/UIComponentBase.html#processDecodes(javax.faces.context.FacesContext)"><CODE>UIComponentBase.processDecodes(javax.faces.context.FacesContext)</CODE></A> processing to perform the following steps.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#processUpdates(javax.faces.context.FacesContext)">processUpdates</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Override the default <A HREF="../../../javax/faces/component/UIComponentBase.html#processUpdates(javax.faces.context.FacesContext)"><CODE>UIComponentBase.processUpdates(javax.faces.context.FacesContext)</CODE></A> processing to perform the following steps.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#processValidators(javax.faces.context.FacesContext)">processValidators</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Override the default <A HREF="../../../javax/faces/component/UIComponentBase.html#processValidators(javax.faces.context.FacesContext)"><CODE>UIComponentBase.processValidators(javax.faces.context.FacesContext)</CODE></A> processing to perform the following steps.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#queueEvent(javax.faces.event.FacesEvent)">queueEvent</A></B>(<A HREF="../../../javax/faces/event/FacesEvent.html" title="class in javax.faces.event">FacesEvent</A> event)</CODE><BR> Override the default <A HREF="../../../javax/faces/component/UIComponentBase.html#queueEvent(javax.faces.event.FacesEvent)"><CODE>UIComponentBase.queueEvent(javax.faces.event.FacesEvent)</CODE></A> processing to wrap any queued events in a wrapper so that we can reset the current row index in <code>broadcast()</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#restoreState(javax.faces.context.FacesContext, java.lang.Object)">restoreState</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> state)</CODE><BR> Perform any processing required to restore the state from the entries in the state Object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#saveState(javax.faces.context.FacesContext)">saveState</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Gets the state of the instance as a <code>Serializable</code> Object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setDataModel(javax.faces.model.DataModel)">setDataModel</A></B>(<A HREF="../../../javax/faces/model/DataModel.html" title="class in javax.faces.model">DataModel</A> dataModel)</CODE><BR> Set the internal DataModel.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setFirst(int)">setFirst</A></B>(int first)</CODE><BR> Set the zero-relative row number of the first row to be displayed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setFooter(javax.faces.component.UIComponent)">setFooter</A></B>(<A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A> footer)</CODE><BR> Set the footer facet of this component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setHeader(javax.faces.component.UIComponent)">setHeader</A></B>(<A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A> header)</CODE><BR> Set the header facet of this component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setRowIndex(int)">setRowIndex</A></B>(int rowIndex)</CODE><BR> Set the zero relative index of the current row, or -1 to indicate that no row is currently selected, by implementing the following algorithm.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setRows(int)">setRows</A></B>(int rows)</CODE><BR> Set the number of rows to be displayed, or zero for all remaining rows in the table.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setValue(java.lang.Object)">setValue</A></B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> value)</CODE><BR> Set the value of the <code>UIData</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/UIData.html#setValueBinding(java.lang.String, javax.faces.el.ValueBinding)">setValueBinding</A></B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> name, <A HREF="../../../javax/faces/el/ValueBinding.html" title="class in javax.faces.el">ValueBinding</A> binding)</CODE><BR> <B>Deprecated.</B> <I>This has been replaced by <A HREF="../../../javax/faces/component/UIData.html#setValueExpression(java.lang.String, javax.el.ValueExpression)"><CODE>setValueExpression(java.lang.String, javax.el.ValueExpression)</CODE></A>.</I></TD></TR>⌨️ 快捷键说明
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