生成excel中的饼图
var
i,j,m,n,count1:integer;
str:string;
Jdate:tdatetime;
channellist,potBstrtime,potEstrtime,Jchannelname:string;
Rres:boolean;
JSHR:double;
Excelid,achart1,cell1,cell2,cell3,cell4,cellMiddle,Range1,Range2,series1:variant;
ExRowsValue,ExRowsName,ExClos:Integer;
ImagePage,dataPage:integer;
leftPostion,topPostion,widthPostion,heightPostion:integer;
begin
//创建OLE对象
try
Excelid:=CreateOleObject( 'Excel.Application' );
except
on Exception do raise exception.Create('无法创建Xls文件，请确认是否安装EXCEL')
end;
Excelid.Visible := false; //Excel显示设置
Excelid.WorkBooks.Add; //生成新的excel文件
//不用excel以前的页
Excelid.worksheets.add;
dataPage:=Excelid.Worksheets.count; //用作数据页
Excelid.worksheets.add;
ImagePage:=Excelid.Worksheets.count;
//showmessage(inttostr(dataPage));
//showmessage(inttostr(ImagePage)+'sdfg');
Jdate:=DateTimePicker1.Date;
count1:=0;
ExRowsValue:=1; //存储值
ExRowsName:=2; //存储名称
//取得频率编号
for i:=0 to CheckListBoxFQ.Items.Count-1 do
begin
if CheckListBoxFQ.Checked[i] then
begin
channellist:= QCaky.FChannelList[i]+','+channellist;
end;
end;
delete(channellist,length(channellist),1);
leftPostion:=20;
topPostion:=50;
widthPostion:=450;
heightPostion:=230;
for i:=0 to CheckListBoxPOTT.Items.Count-1 do
begin
if CheckListBoxPOTT.Checked[i] then
begin
//动态生成excel页数
//Excelid.worksheets.add;
//sheetCount:=sheetCount+1;
//Excelid.worksheets[sheetCount].name:='图表页'+inttostr(sheetCount);
//在这里生成图表
if CheckListBoxPOTT.Items[i]='全天' then
begin
potBstrtime:='';
potEstrtime:='';
end
else
begin
potBstrtime:=QCaky.FPOTbeginList[i];
potEstrtime:=QCaky.FPOTendList[i];
end;
Rres:=QCaky.getFQShr(Jdate,FormMain.QAreacode,channellist,potBstrtime,potEstrtime); //取得占有率
ExClos:=1;
while not QCaky.FADOQueryFQ.Eof do
begin
Excelid.worksheets[dataPage].Activate;
Jchannelname:=QCaky.FADOQueryFQ.fieldbyname('channelname').AsString;
JSHR:=QCaky.FADOQueryFQ.fieldbyname('allshr').AsFloat;
Excelid.worksheets[dataPage].Cells[ExRowsName,ExClos].Value :=Jchannelname;
Excelid.worksheets[dataPage].Cells[ExRowsValue,ExClos].Value :=JSHR;
inc(ExClos);
QCaky.FADOQueryFQ.Next;
end;
{添加一个二维图(20,50,450,230)表示（左,顶,宽,高）}
//achart1 := Excelid.worksheets[ImagePage].chartobjects.add(20,50,450,230);
achart1 := Excelid.worksheets[ImagePage].chartobjects.add(leftPostion,topPostion,widthPostion,heightPostion);
achart1.chart.charttype := xl3DPie ; //生成何种类型的图********在此生成的是饼图
//设置x轴、y轴数据
cell1 := Excelid.worksheets[dataPage].Cells[ExRowsName,1];
cell2 := Excelid.worksheets[dataPage].Cells[ExRowsName,ExClos];
cell3 := Excelid.worksheets[dataPage].Cells[ExRowsValue,1];
cell4 := Excelid.worksheets[dataPage].Cells[ExRowsValue,ExClos];
Range1 := Excelid.worksheets[dataPage].Range[cell1, cell2]; //设定Chart类别坐标轴（x轴）的取值区域
Range2 := Excelid.worksheets[dataPage].Range[cell3, cell4]; //设定Chart数值坐标轴（y轴）的取值区域
series1:= achart1.chart.seriescollection ;
//series1.add (Range2,xlColumns,false); //设置y轴的数据
series1.add (Range2,true); //可以使用，能够生成饼图
achart1.chart.seriescollection[1].name:='nihao';
//设置饼图的形式
achart1.chart.seriescollection[1].ApplyDataLabels(xlDataLabelsShowLabelAndPercent,true,true,true);
achart1.Chart.Axes[xlCategory].CategoryNames := Range1; //设置x轴数据
//series1.add (Range2,xlColumns,false); //设置y轴的数据
//achart1.Chart.Axes[xlCategory].CategoryNames := Range1; //设置x轴数据
//删除右侧的标题
achart1.Chart.Legend.delete;
//添加图表标题
achart1.Chart.HasTitle:=True;
achart1.Chart.ChartTitle.Characters.Text:='收视率走势图';
achart1.Chart.HasLegend:=true;
achart1.Chart.Legend.Position := xlBottom;
//图表左标说明
//achart1.Chart.Axes(xlValue,xlPrimary).HasTitle := True;
//achart1.Chart.Axes(xlValue,xlPrimary).AxisTitle.Characters.Text := '收视率（%）';
//图表下标说明
//achart1.Chart.Axes(xlCategory,xlPrimary).HasTitle:=True;
//achart1.Chart.Axes(xlCategory,xlPrimary).AxisTitle.Characters.Text:='时间';
ExRowsName:=ExRowsName+2;
ExRowsValue:=ExRowsValue+2;
end; //如果时段设置被选中
leftPostion:=20;
topPostion:=topPostion+600;
//showmessage(inttostr(dataPage));
end;
Excelid.Visible := true;
end;
