导出带图形的数据excel表

public static string StatisticsSR(string parmStr)
{

try
{

StatisticsSRInfo parm = JsonConvert.DeserializeObject<StatisticsSRInfo>(parmStr);

ServieRequestService ws = new ServieRequestService();
ws.Url = ConfigurationManager.AppSettings["ServiceRequestService"];
ReportDown.ServiceRequestService.MySoapHeader header = new ReportDown.ServiceRequestService.MySoapHeader();
string databaseStr = "UserId:0," + "Pass:," + "Time:" + DateTime.Now.ToString("u").Substring(0, 10) + ",Database:" + ConnManager.GetDatabase();
header.database = DES1.des(databaseStr).Replace("%2B", "+");
ws.MySoapHeaderValue = header;

SRStatisticsInfo[] ds = ws.StatisticsSR(parm.statisticsType, parm.fromDate, parm.toDate, parm.groupBy, parm.orderDirection);
//以上是获取数据
Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();
app.Visible = false;
app.UserControl = true;
app.DisplayAlerts = false;//不弹出窗口

Microsoft.Office.Interop.Excel.Workbooks workbooks = app.Workbooks;
Microsoft.Office.Interop.Excel._Workbook workbook = workbooks.Add(fileDir + "SRStatistics_" + parm.graphType + ".xlsx"); //加载模板
Microsoft.Office.Interop.Excel.Sheets sheets = workbook.Sheets;
Microsoft.Office.Interop.Excel._Worksheet worksheet = (Microsoft.Office.Interop.Excel._Worksheet)sheets.get_Item(1); //第一个工作薄。
if (worksheet == null)
return "Error:worksheet not exists in workbook! "; //工作薄中没有工作表.
//写入数据，Excel索引从1开始。
if (parm.groupBy == "year" || parm.groupBy == "quarter" || parm.groupBy == "month" || parm.groupBy == "day")
{
worksheet.Cells[2, 1] = "时间段";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i; //Excel模板上表头和标题行占了2行,根据实际模板需要修改;
worksheet.Cells[row_, 1] = ds[i].groupValue;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else
{
if (parm.groupBy == "province")
{
worksheet.Cells[2, 1] = "地区";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].provinceName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "customer")
{
worksheet.Cells[2, 1] = "客户";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].customerName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "department")
{
worksheet.Cells[2, 1] = "部门";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].departmentName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "owner")
{
worksheet.Cells[2, 1] = "员工";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].ownerName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "productId")
{
worksheet.Cells[2, 1] = "产品";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].productName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "item")
{
worksheet.Cells[2, 1] = "配件";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].productName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else if (parm.groupBy == "faultPoint")
{
worksheet.Cells[2, 1] = "故障点";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].faultPointName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
else
{
worksheet.Cells[2, 1] = "故障类型";
worksheet.Cells[2, 2] = "请求总数";
for (int i = 0; i < ds.Length; i++)
{
int row_ = 3 + i;
worksheet.Cells[row_, 1] = ds[i].faultTypeName;
worksheet.Cells[row_, 2] = ds[i].totalCount;
}
}
}
//Microsoft.Office.Interop.Excel.Range rg = worksheet.Cells.get_Range("A3", worksheet.Cells[ds.Length + 2, 8]);
//rg.Borders.LineStyle = 1; //单元格加边框。
worksheet.Columns.AutoFit(); //自动调整列宽。
string savaPath = fileDir + "服务请求统计.xlsx";
workbook.SaveAs(savaPath, Missing.Value, Missing.Value, Missing.Value, false, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
workbook.Close();

return savaPath;
}
catch (Exception e)
{
return ("Error:" + e.Message);
}
}