/// <summary>
/// 导出excel
/// </summary>
public async static Task ExportExcel <T>(List <T> list, string format, string reportName, string path, List <string> format2 = null)
{
// string gp = Path.Combine( "Export", Guid.NewGuid().ToString());
var newFile = path;// Path.Combine(Path.Combine("wwwroot" , gp ) , reportName + @".xlsx");
// new FileHelper().CreateFiles(Path.Combine("wwwroot" , gp), true);
// path = Path.Combine(gp ,reportName + @".xlsx");
using (var fs = new FileStream(newFile, FileMode.Create, FileAccess.Write))
{
IWorkbook workbook = new XSSFWorkbook();
/////////////////////////
ICellStyle cellstyle = workbook.CreateCellStyle();
cellstyle.Alignment = HorizontalAlignment.Center;
cellstyle.VerticalAlignment = VerticalAlignment.Center;
int num = list.Count / 60000;
int num2 = 60000;
for (int i = 0; i <= num; i++)
{
#region MyRegion
List <T> list2 = list.Skip(i * num2).Take(num2).ToList <T>();
string text = reportName + ((i == 0) ? "" : ("-" + i.ToString()));
ISheet sheet = workbook.CreateSheet(text);
#region 标题
IRow row = sheet.CreateRow(0);
for (int j = 0; j < format.Split(new char[]
{
';'
}).Count <string>(); j++)
{
string text2 = format.Split(new char[]
{
';'
})[j];
string cellValue = text2.Split(new char[]
{
'|'
})[1];
ICell cell = row.CreateCell(j);
cell.SetCellValue(cellValue);
}
#endregion
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
#region MyRegion
for (int j = 0; j < list2.Count; j++)
{
IRow row2 = sheet.CreateRow(j + 1);
#region MyRegion
for (int k = 0; k < format.Split(new char[]
{
';'
}).Count <string>(); k++)
{
string text2 = format.Split(new char[]
{
';'
})[k];
string text3 = text2.Split(new char[]
{
'|'
})[0];
if (properties.Count <= 0)
{
return;
}
#region MyRegion
for (int l = 0; l < properties.Count; l++)
{
if (properties[l].Name == text3)
{
ICell cell = row2.CreateCell(k);
string text4 = string.Empty;
if (properties[text3].GetValue(list2[j]) != null)
{
text4 = properties[text3].GetValue(list2[j]).ToString();
}
Type propertyType = properties[text3].PropertyType;
if (propertyType == typeof(decimal) || propertyType == typeof(int) || propertyType == typeof(double))
{
cell.SetCellValue(Convert.ToDouble(properties[text3].GetValue(list2[j])));
}
else
{
if (properties[text3].GetValue(list2[j]) != null)
{
cell.SetCellValue(properties[text3].GetValue(list2[j]).ToString());
}
else
{
cell.SetCellValue(string.Empty);
}
}
}
}
#endregion
}
#endregion
}
#endregion
#endregion
sheet.ForceFormulaRecalculation = true;
#region MyRegion
if (num == i)
{
if (format2 != null && format2.Count() > 0)
{
int z = list2.Count;
foreach (var item in format2)
{
IRow row3 = sheet.CreateRow(z + 1);
#region MyRegion
for (int j = 0; j < format.Split(new char[]
{
';'
}).Count <string>(); j++)
{
}
#endregion
#region 合并
for (int j = 0; j < item.Split(new char[]
{
';'
}).Count <string>(); j++)
{
string text2 = item.Split(new char[] { ';' })[j];
//值
string cellValue = text2.Split(new char[] { '|' })[1];
string cellindex = text2.Split(new char[] { '|' })[0];
var arr = cellindex.Split(new char[] { '-' });
//合并
CellRangeAddress cellRangeAddress = new CellRangeAddress(z + 1, z + 1, ZConvert.StrToInt(arr[0]), ZConvert.StrToInt(arr[1]));
sheet.AddMergedRegion(cellRangeAddress);
ICell cell = row3.CreateCell(ZConvert.StrToInt(arr[0]));
ICellStyle cellstyle2 = workbook.CreateCellStyle();
cellstyle2.Alignment = HorizontalAlignment.Right;
cellstyle2.VerticalAlignment = VerticalAlignment.Center;
cell.CellStyle = cellstyle2;
cell.SetCellValue(cellValue);
}
#endregion
z++;
}
}
}
#endregion
}
////////////////////////////////
workbook.Write(fs);
}
}
/// <summary>
/// 导出excel 合并单元格的
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="path"></param>
/// <param name="list"></param>
/// <param name="format"></param>
/// <param name="reportName"></param>
/// <param name="MergeField"></param>
/// <param name="format2"></param>
public async static Task ExportExcelMergeField <T>(List <T> list, string format, string reportName, string MergeField, string path, List <string> format2 = null)
{
// Thread.Sleep(999999);
//string gp = "Export/" + Guid.NewGuid().ToString() + "/";
//var newFile = "wwwroot/"+ gp + reportName + @".xlsx";
//new FileHelper().CreateFiles("wwwroot/" + gp, true);
//path = gp + reportName + @".xlsx";
// string gp = Path.Combine("Export", Guid.NewGuid().ToString());
var newFile = path;// Path.Combine(Path.Combine("wwwroot", gp), reportName + @".xlsx");
// new FileHelper().CreateFiles(Path.Combine("wwwroot", gp), true);
// path = Path.Combine(gp, reportName + @".xlsx");
using (var fs = new FileStream(newFile, FileMode.Create, FileAccess.Write))
{
IWorkbook workbook = new XSSFWorkbook();
/////////////////////////
ICellStyle cellstyle2 = workbook.CreateCellStyle();
cellstyle2.Alignment = HorizontalAlignment.Center;
cellstyle2.VerticalAlignment = VerticalAlignment.Center;
int num = list.Count / 25000;
int num2 = 25000;
for (int i = 0; i <= num; i++)
{
List <T> list2 = list.Skip(i * num2).Take(num2).ToList <T>();
string text = reportName + ((i == 0) ? "" : ("-" + i.ToString()));
ISheet sheet = workbook.CreateSheet(text);
IRow row = sheet.CreateRow(0);
for (int j = 0; j < format.Split(new char[]
{
';'
}).Count <string>(); j++)
{
string text2 = format.Split(new char[]
{
';'
})[j];
string cellValue = text2.Split(new char[]
{
'|'
})[1];
ICell cell = row.CreateCell(j);
cell.CellStyle = cellstyle2;
cell.SetCellValue(cellValue);
}
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
int column = 0;
for (int j = 0; j < list2.Count; j++)
{
int count = 1;
if (properties[MergeField].GetValue(list2[j]) != null)
{
count = properties[MergeField].GetValue(list2[j]).ToString().Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries).Count();
}
IRow row2 = sheet.CreateRow(column + 1);
for (int k = 0; k < format.Split(new char[]
{
';'
}).Count <string>(); k++)
{
string text2 = format.Split(new char[]
{
';'
})[k];
string text3 = text2.Split(new char[]
{
'|'
})[0];
if (properties.Count <= 0)
{
return;
}
List <string> df = new List <string>();
for (int l = 0; l < properties.Count; l++)
{
if (properties[MergeField].GetValue(list2[j]) != null)
{
if (df.Count() == 0)
{
string[] teshu = properties[MergeField].GetValue(list2[j]).ToString().Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var te in teshu)
{
string[] t = te.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var er in t)
{
df.Add(er.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries)[0].ToString());
}
break;
}
}
if (df.Contains(text3))
{
int sum = column + 1;
string[] teshu = properties[MergeField].GetValue(list2[j]).ToString().Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var te in teshu)
{
string[] t = te.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var er in t)
{
string[] values = er.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (values[0] == text3)
{
IRow row3 = sheet.GetRow(sum);
if (row3 == null)
{
row3 = sheet.CreateRow(sum);
}
ICell cell = row3.CreateCell(k);
cell.CellStyle = cellstyle2;
cell.SetCellValue(values[1]);
}
}
sum++;
}
}
}
if (properties[l].Name == text3)
{
CellRangeAddress range = new CellRangeAddress(column + 1, column + count, k, k);
sheet.AddMergedRegion(range);
ICell cell = row2.CreateCell(k);
cell.CellStyle = cellstyle2;
string text4 = string.Empty;
if (properties[text3].GetValue(list2[j]) != null)
{
text4 = properties[text3].GetValue(list2[j]).ToString();
}
Type propertyType = properties[text3].PropertyType;
if (propertyType == typeof(decimal) || propertyType == typeof(int) || propertyType == typeof(double))
{
cell.SetCellValue(Convert.ToDouble(properties[text3].GetValue(list2[j])));
}
else
{
if (properties[text3].GetValue(list2[j]) != null)
{
cell.SetCellValue(properties[text3].GetValue(list2[j]).ToString());
}
else
{
cell.SetCellValue(string.Empty);
}
}
}
}
}
column = count + column;
sheet.ForceFormulaRecalculation = true;
#region MyRegion
if (num == i)
{
if (format2 != null && format2.Count() > 0)
{
int z = list2.Count;
foreach (var item in format2)
{
IRow row3 = sheet.CreateRow(z + 1);
#region MyRegion
for (int j2 = 0; j2 < format.Split(new char[]
{
';'
}).Count <string>(); j2++)
{
}
#endregion
#region 合并
for (int j3 = 0; j3 < item.Split(new char[]
{
';'
}).Count <string>(); j3++)
{
string text2 = item.Split(new char[] { ';' })[j3];
//值
string cellValue = text2.Split(new char[] { '|' })[1];
string cellindex = text2.Split(new char[] { '|' })[0];
var arr = cellindex.Split(new char[] { '-' });
//合并
CellRangeAddress cellRangeAddress = new CellRangeAddress(z + 1, z + 1, ZConvert.StrToInt(arr[0]), ZConvert.StrToInt(arr[1]));
sheet.AddMergedRegion(cellRangeAddress);
ICell cell = row3.CreateCell(ZConvert.StrToInt(arr[0]));
ICellStyle cellstyle = workbook.CreateCellStyle();
cellstyle.Alignment = HorizontalAlignment.Right;
cellstyle.VerticalAlignment = VerticalAlignment.Center;
cell.CellStyle = cellstyle;
cell.SetCellValue(cellValue);
}
#endregion
z++;
}
}
}
#endregion
}
////////////////////////////////
workbook.Write(fs);
}
}
}