From f39f00ee0ee41e169fa24ccb85b4af36090dbd25 Mon Sep 17 00:00:00 2001
From: xcd <834800634@qq.com>
Date: 星期三, 08 七月 2020 16:38:51 +0800
Subject: [PATCH] Merge branch 'master' of http://gitblit.broconcentric.com:8088/r/M071
---
src/Bro.M071.DBManager/ExcelExportHelper.cs | 143 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 143 insertions(+), 0 deletions(-)
diff --git a/src/Bro.M071.DBManager/ExcelExportHelper.cs b/src/Bro.M071.DBManager/ExcelExportHelper.cs
new file mode 100644
index 0000000..b894e68
--- /dev/null
+++ b/src/Bro.M071.DBManager/ExcelExportHelper.cs
@@ -0,0 +1,143 @@
+锘縰sing OfficeOpenXml;
+using OfficeOpenXml.Style;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Linq;
+
+namespace Bro.M071.DBManager
+{
+ /// <summary>
+ /// Excel瀵煎嚭甯姪绫�
+ /// </summary>
+ public class ExcelExportHelper
+ {
+ public static string ExcelContentType => "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+ /// <summary>
+ /// List杞珼ataTable
+ /// </summary>
+ /// <typeparam name="T"></typeparam>
+ /// <param name="data"></param>
+ /// <returns></returns>
+ public static DataTable ListToDataTable<T>(List<T> data)
+ {
+ PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
+ DataTable dataTable = new DataTable();
+ for (int i = 0; i < properties.Count; i++)
+ {
+ PropertyDescriptor property = properties[i];
+ dataTable.Columns.Add(property.Name, Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType);
+ }
+ object[] values = new object[properties.Count];
+ foreach (T item in data)
+ {
+ for (int i = 0; i < values.Length; i++)
+ {
+ values[i] = properties[i].GetValue(item);
+ }
+ dataTable.Rows.Add(values);
+ }
+ return dataTable;
+ }
+
+ /// <summary>
+ /// 瀵煎嚭Excel
+ /// </summary>
+ /// <param name="dataTable">鏁版嵁婧�</param>
+ /// <param name="heading">宸ヤ綔绨縒orksheet</param>
+ /// <param name="showSrNo">//鏄惁鏄剧ず琛岀紪鍙�</param>
+ /// <param name="columnsToTake">瑕佸鍑虹殑鍒�</param>
+ /// <returns></returns>
+ public static byte[] ExportExcel(DataTable dataTable, string heading = "", bool showSrNo = false, params string[] columnsToTake)
+ {
+ byte[] result;
+ using (ExcelPackage package = new ExcelPackage())
+ {
+ ExcelWorksheet workSheet = package.Workbook.Worksheets.Add($"{heading}Data");
+ int startRowFrom = string.IsNullOrEmpty(heading) ? 1 : 3; //寮�濮嬬殑琛�
+ //鏄惁鏄剧ず琛岀紪鍙�
+ if (showSrNo)
+ {
+ DataColumn dataColumn = dataTable.Columns.Add("#", typeof(int));
+ dataColumn.SetOrdinal(0);
+ int index = 1;
+ foreach (DataRow item in dataTable.Rows)
+ {
+ item[0] = index;
+ index++;
+ }
+ }
+ //Add Content Into the Excel File
+ workSheet.Cells["A" + startRowFrom].LoadFromDataTable(dataTable, true);
+ // autofit width of cells with small content
+ int columnIndex = 1;
+ foreach (DataColumn item in dataTable.Columns)
+ {
+ ExcelRange columnCells = workSheet.Cells[workSheet.Dimension.Start.Row, columnIndex, workSheet.Dimension.End.Row, columnIndex];
+ int maxLength = columnCells.Max(cell => cell.Value.ToString().Count());
+ if (maxLength < 150)
+ {
+ workSheet.Column(columnIndex).AutoFit();
+ }
+ columnIndex++;
+ }
+ // format header - bold, yellow on black
+ using (ExcelRange r = workSheet.Cells[startRowFrom, 1, startRowFrom, dataTable.Columns.Count])
+ {
+ r.Style.Font.Color.SetColor(System.Drawing.Color.White);
+ r.Style.Font.Bold = true;
+ r.Style.Fill.PatternType = ExcelFillStyle.Solid;
+ r.Style.Fill.BackgroundColor.SetColor(System.Drawing.ColorTranslator.FromHtml("#1fb5ad"));
+ }
+ // format cells - add borders
+ using (ExcelRange r = workSheet.Cells[startRowFrom + 1, 1, startRowFrom + dataTable.Rows.Count, dataTable.Columns.Count])
+ {
+ r.Style.Border.Top.Style = ExcelBorderStyle.Thin;
+ r.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
+ r.Style.Border.Left.Style = ExcelBorderStyle.Thin;
+ r.Style.Border.Right.Style = ExcelBorderStyle.Thin;
+ r.Style.Border.Top.Color.SetColor(System.Drawing.Color.Black);
+ r.Style.Border.Bottom.Color.SetColor(System.Drawing.Color.Black);
+ r.Style.Border.Left.Color.SetColor(System.Drawing.Color.Black);
+ r.Style.Border.Right.Color.SetColor(System.Drawing.Color.Black);
+ }
+ // removed ignored columns
+ for (int i = dataTable.Columns.Count - 1; i >= 0; i--)
+ {
+ if (i == 0 && showSrNo)
+ {
+ continue;
+ }
+ if (!columnsToTake.Contains(dataTable.Columns[i].ColumnName))
+ {
+ workSheet.DeleteColumn(i + 1);
+ }
+ }
+ if (!string.IsNullOrEmpty(heading))
+ {
+ workSheet.Cells["A1"].Value = heading;
+ workSheet.Cells["A1"].Style.Font.Size = 20;
+ workSheet.InsertColumn(1, 1);
+ workSheet.InsertRow(1, 1);
+ workSheet.Column(1).Width = 5;
+ }
+ result = package.GetAsByteArray();
+ }
+ return result;
+ }
+ /// <summary>
+ /// 瀵煎嚭Excel
+ /// </summary>
+ /// <typeparam name="T"></typeparam>
+ /// <param name="data"></param>
+ /// <param name="heading"></param>
+ /// <param name="isShowSlNo"></param>
+ /// <param name="columnsToTake"></param>
+ /// <returns></returns>
+ public static byte[] ExportExcel<T>(List<T> data, string heading = "", bool isShowSlNo = false, params string[] columnsToTake)
+ {
+ return ExportExcel(ListToDataTable(data), heading, isShowSlNo, columnsToTake);
+ }
+ }
+}
--
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