Grid++报表的 柱状图（一）

 1 function FillDataChart(DataURL)
 2 {
 3     //获得柱状图报表节对象 
 4     var Chart = Report.ControlByName("Chart1").AsChart;
 5 
 6     
 7    
 8      //从网上取XML数据并转存到xmlDom中
 9     var xml = Report.ExtractXMLFromURL(DataURL);
10     var xmlDom = CreateXMLDOM();
11     xmlDom.async=false;
12     xmlDom.load(xml);
13    
14  
15     //将xmlDom中的数据赋值给图表
16     var RowNodes = xmlDom.childNodes[0];
17     var RowCount = RowNodes.childNodes.length;
18     Chart.GroupCount =RowCount;
19     Chart.SeriesCount=RowNodes.childNodes[0].childNodes.length-1+1;
20        //首先将原来数据全部置为0
21     for (SeriesIndex=0; SeriesIndex<Chart.SeriesCount; ++SeriesIndex)
22         for (GroupIndex=0; GroupIndex<Chart.GroupCount; ++GroupIndex)
23             Chart.Value(SeriesIndex, GroupIndex) = 0;
24     
25     
26     for(i=0; i<RowNodes.childNodes.length; ++i)
27     {      
28       Chart.GroupLabel(i)=RowNodes.childNodes[i].childNodes[0].text;
29     }
30     for(i=1; i<RowNodes.childNodes[0].childNodes.length; ++i)
31     {
32     Chart.SeriesLabel(i-1)=RowNodes.childNodes[0].childNodes[i].baseName;
33     }
34     Chart.SeriesLabel(Chart.SeriesCount-1)="毛利";
35     var MaxVal = 0; //找出值中的最大值，以便设定图表的 YAxisMaximum 属性
36     for (i=0; i<RowCount; ++i)
37     {
38         var FieldNodes = RowNodes.childNodes[i];
39         
40         for( j=1; j<FieldNodes.childNodes.length; ++j)
41         {
42           var Val=parseInt(FieldNodes.childNodes[j].text);
43           if (MaxVal < Val)
44             MaxVal = Val
45           Chart.Value(j-1,i) = Val;    
46         }
47          Chart.Value(Chart.SeriesCount-1,i) =  Chart.Value(0,i)- Chart.Value(2,i)- Chart.Value(4,i);
48     }    
49     Chart.YAxisMaximum = MaxVal;
50 
51 }