OWC11 实例(经典文章值得一读)

项目中的工程模块需要用到图表来显示数据，后来选中了“ＯＷＣ１１”，效果如下：



ＣＳ代码：

voidToPrint(stringcategoryStr,string[]valueArr,string[]titleArr,string[]colorArr)
{
//新建一个绘图空间
ChartSpaceobjCSpace=newChartSpace();


//在绘图空间中新建一个图表
ChChartobjChart=objCSpace.Charts.Add(0);
//objChart.Type=ChartChartTypeEnum.chChartTypeColumnClustered3D;//指定图表的类型为3D柱状
objChart.Type=ChartChartTypeEnum.chChartTypeColumnClustered;//平面柱状
objChart.HasLegend=true;//指定图表是否需要图例

//标题
objChart.HasTitle=true;
objChart.Title.Caption="年度水量消耗统计";
objChart.Title.Font.Size=9;
objChart.Title.Font.Name="宋体";
objChart.Title.Font.Bold=true;

objChart.PlotArea.Interior.Color="#C0C0C0";//绘图区的背景颜色
objChart.PlotArea.Floor.Interior.Color="#888888";//绘图区的底色

objChart.Legend.Font.Size=9;//图例的字体




//X,Y轴的图示属性
//objChart.Axes[0].HasTitle=true;
//objChart.Axes[0].Title.Caption="X：月";
//objChart.Axes[0].Title.Font.Size=9;
//objChart.Axes[1].HasTitle=true;
//objChart.Axes[1].Title.Caption="Y：量";
//objChart.Axes[1].Title.Font.Size=9;


for(inti=0;i<valueArr.Length;i++)
{
//在图表中添加一个数据系列
ChSeriesobjSeries=objChart.SeriesCollection.Add(i);
objSeries.SetData(ChartDimensionsEnum.chDimSeriesNames,ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(),titleArr[i]);
objSeries.SetData(ChartDimensionsEnum.chDimCategories,ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(),categoryStr);
objSeries.SetData(ChartDimensionsEnum.chDimValues,ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(),valueArr[i]);
objSeries.Interior.Color=colorArr[i];//柱子内部的颜色
objSeries.GapWidth=300;//柱子之间的间隙

ChDataLabelsobjDataLabels=objChart.SeriesCollection[i].DataLabelsCollection.Add();
objDataLabels.HasValue=false;//柱子上面的数字是否显示
objDataLabels.Font.Color="Black";//柱子上面的数字颜色是黑色的
}

objectobjPic=objCSpace.GetPicture("GIF",700,300);

Response.Buffer=true;
Response.ContentType="image/gif";
Response.BinaryWrite((byte[])objPic);
Response.End();
}

调用：

string[]categoryArr=newstring[]{"1月份","2月份","3月份","4月份","5月份","6月份"};
stringcategoryStr=string.Join("/t",categoryArr);

string[]valueArr1=newstring[]{"3832","3167","3575","3816","2651","3494"};
string[]valueArr2=newstring[]{"17627.2","14568.2","12194.6","16445","17553.6","16072.4"};
string[]valueArr3=newstring[]{"5748","4750.5","3976.5","5362.5","5724","5241"};
string[]valueArr4=newstring[]{"23375.2","19318.7","16171.1","21807.5","23277.6","21313.4"};
stringvalueStr1=string.Join("/t",valueArr1);
stringvalueStr2=string.Join("/t",valueArr2);
stringvalueStr3=string.Join("/t",valueArr3);
stringvalueStr4=string.Join("/t",valueArr4);
string[]valueArr=newstring[]{valueStr1,valueStr2,valueStr3,valueStr4};

string[]titleArr=newstring[]{"消耗量m3","水费（元）","污水费（元）","合计（元）"};

string[]colorArr=newstring[]{"#9999FF","#993366","#FFFFCC","#CCFFFF"};

ToPrint(categoryStr,valueArr,titleArr,colorArr);