jdbcxydataset.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).<DD><CODE>itemIndex</CODE> - The item (zero-based index).
<DT><B>Returns:</B><DD>The x-value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
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<A NAME="getYValue(int, int)"><!-- --></A><H3>
getYValue</H3>
<PRE>
public java.lang.Number <B>getYValue</B>(int&nbsp;seriesIndex,
                                  int&nbsp;itemIndex)</PRE>
<DL>
<DD>Returns the y-value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/XYDataset.html#getYValue(int, int)">getYValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).<DD><CODE>itemIndex</CODE> - The item (zero-based index).
<DT><B>Returns:</B><DD>The yValue value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
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<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>(int&nbsp;seriesIndex)</PRE>
<DL>
<DD>Returns the number of items in the specified series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/XYDataset.html#getItemCount(int)">getItemCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).
<DT><B>Returns:</B><DD>The itemCount value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
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<A NAME="getItemCount()"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>()</PRE>
<DL>
<DD>Returns the number of items in all series.  This method is defined by the 
 <A HREF="../../../org/jfree/data/TableXYDataset.html" title="interface in org.jfree.data"><CODE>TableXYDataset</CODE></A> interface.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/TableXYDataset.html#getItemCount()">getItemCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/TableXYDataset.html" title="interface in org.jfree.data">TableXYDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The item count.</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesCount()"><!-- --></A><H3>
getSeriesCount</H3>
<PRE>
public int <B>getSeriesCount</B>()</PRE>
<DL>
<DD>Returns the number of series in the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in class <CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The seriesCount value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A>, 
<A HREF="../../../org/jfree/data/Dataset.html" title="interface in org.jfree.data"><CODE>Dataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesName(int)"><!-- --></A><H3>
getSeriesName</H3>
<PRE>
public java.lang.String <B>getSeriesName</B>(int&nbsp;seriesIndex)</PRE>
<DL>
<DD>Returns the name of the specified series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesName(int)">getSeriesName</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html#getSeriesName(int)">getSeriesName</A></CODE> in class <CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).
<DT><B>Returns:</B><DD>The seriesName value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A>, 
<A HREF="../../../org/jfree/data/Dataset.html" title="interface in org.jfree.data"><CODE>Dataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getLegendItemCount()"><!-- --></A><H3>
getLegendItemCount</H3>
<PRE>
public int <B>getLegendItemCount</B>()</PRE>
<DL>
<DD>Returns the number of items that should be displayed in the legend.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The legendItemCount value</DL>
</DD>
</DL>
<HR>

<A NAME="getLegendItemLabels()"><!-- --></A><H3>
getLegendItemLabels</H3>
<PRE>
public java.lang.String[] <B>getLegendItemLabels</B>()</PRE>
<DL>
<DD>Returns the legend item labels.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The legend item labels.</DL>
</DD>
</DL>
<HR>

<A NAME="getMinimumRangeValue()"><!-- --></A><H3>
getMinimumRangeValue</H3>
<PRE>
public java.lang.Number <B>getMinimumRangeValue</B>()</PRE>
<DL>
<DD>Returns the minimum data value in the dataset's range.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getMinimumRangeValue()">getMinimumRangeValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The minimum value.<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data"><CODE>RangeInfo</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getMaximumRangeValue()"><!-- --></A><H3>
getMaximumRangeValue</H3>
<PRE>
public java.lang.Number <B>getMaximumRangeValue</B>()</PRE>
<DL>
<DD>Returns the maximum data value in the dataset's range.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getMaximumRangeValue()">getMaximumRangeValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The maximum value.<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data"><CODE>RangeInfo</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Close the database connection
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getValueRange()"><!-- --></A><H3>
getValueRange</H3>
<PRE>
public <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> <B>getValueRange</B>()</PRE>
<DL>
<DD>Returns the range of the values in this dataset's range (y-values).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getValueRange()">getValueRange</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The range.</DL>
</DD>
</DL>
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