The Jfreechart plugin shows the data as pie, histogram, and line charts.

Source: Internet
Author: User

This paper introduces the histogram as an example, of course, this is only a method; There are many ways to show charts, such as customizing chart labels, using Jfreechart plug-ins, and so on;

1, import JS file, including a lot of display methods:

The code is as follows:

<script type= "Text/javascript" Src=<select:link page= "/js/chartobject.js"/>></script> < Script type= "Text/javascript" Src=<select:link page= "/js/fusioncharts.js"/>></script>

2, from the background to obtain data:

1 2 3 4 5 6 7 8 9 function init () {var name3= "<%=request.getattribute" ("Accountlist.name")%> "; var value3=" <%= Request.getattribute ("accountlist.values")%> "; var rate3= "<%=request.getattribute (" ACCOUNTLIST.VALUESHB ")%>"; SHOWCHART4 (Name3,rate3);   ShowChart3 (Name3,value3, ""); }

3. Assign the data to the legend:

1 2 3 4 5 6 7 8 9 10 11-12 function ShowChart4 (names,values) {var chartobj = new ChartObject (); var xmlstring= ""; chartobj.caption= "vehicle sales ratio map of each carrier unit"; chartobj.showvalues= ' 0 '; chartobj.showlabels= ' 1 '; chartobj.snumbersuffix= '%25 '; xmlstring = Chartobj.createdualymscolumnxmlbyvalues (Names,values, "", "pin ratio = Cigarette sales% vehicle capacity;", ""); var chart = new Fusioncharts ("charts/mscolumn3dlinedy.swf", "ChartId2", "1000", "230", "0", "0"); Chart.setdataxml (xmlstring); Chart.render ("ChartDiv2"); }

4, in the JSP page just write:

The

code is as follows:


&lt;div style= "MARGIN-TOP:3PX;MARGIN-LEFT:3PX;" &gt;&lt;span id= "ChartDiv2" style= "width:100%;" &gt;&lt;/span&gt;&lt;/div&gt;

5. The results are shown below:

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