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@ -1,6 +1,7 @@ |
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using System; |
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using System.Collections; |
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using System.Collections.Generic; |
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using System.Data; |
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using System.IO; |
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using System.Linq; |
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using System.Linq.Dynamic.Core; |
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@ -269,74 +270,116 @@ public class ZbxBase<TEntity, TEntityDto, TKey, TPagedAndSortedResultRequestDto, |
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[HttpPost("api/[controller]/base/export-to-excel")]
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public virtual async Task<IActionResult> ExportToExcelAsync(SfsRequestInputBase sfsRequestInputBase) |
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{ |
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var isHasDetail = false;//是否包含从表
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var data= (await GetPageListByFilterAsync(sfsRequestInputBase,true)).Items; |
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var fileStream = new MemoryStream(); |
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IWorkbook workbook = new XSSFWorkbook(); |
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ISheet sheet = workbook.CreateSheet("Sheet1"); |
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ISheet sheet = workbook.CreateSheet(typeof(TEntityDto).Name); |
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// 获取主表和从表的属性
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// 获取主表的属性 创建主表 表头
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var mainProperties = typeof(TEntityDto).GetProperties(); |
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var detailProperties = typeof(TEntityDto).GetProperty("Details").PropertyType.GetGenericArguments()[0].GetProperties(); |
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// 创建表头
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IRow headerRow = sheet.CreateRow(0); |
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for (int i = 0; i < mainProperties.Length; i++) |
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{ |
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headerRow.CreateCell(i).SetCellValue(mainProperties[i].Name); |
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} |
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for (int i = 0; i < detailProperties.Length; i++) |
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// 获取从表的属性 创建从表 表头
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var detailProperties = typeof(TEntityDto).GetProperty("Details")?.PropertyType.GetGenericArguments()[0].GetProperties(); |
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if (detailProperties != null) |
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{ |
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headerRow.CreateCell(mainProperties.Length + i).SetCellValue(detailProperties[i].Name); |
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isHasDetail = true; |
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for (int i = 0; i < detailProperties.Length; i++) |
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{ |
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headerRow.CreateCell(mainProperties.Length + i).SetCellValue(detailProperties[i].Name); |
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} |
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} |
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// 填充数据行
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int rowIndex = 1; |
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foreach (var mainDto in data) |
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{ |
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IRow dataRow = sheet.CreateRow(rowIndex); |
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// 填充主表数据
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for (int i = 0; i < mainProperties.Length; i++) |
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{ |
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var value = mainProperties[i].GetValue(mainDto); |
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dataRow.CreateCell(i).SetCellValue(value?.ToString()); |
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} |
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// 填充从表数据
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var detailList = (IEnumerable<object>)mainProperties[0].GetValue(mainDto); |
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int detailCellIndex = mainProperties.Length; |
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foreach (var detailItem in detailList) |
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if (isHasDetail) |
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{ |
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IRow detailRow; |
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if (rowIndex == 1) |
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// 获取从表数据
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var detailsIndex = mainProperties.FindIndex(p => p.Name == "Details"); |
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//从表
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var detailList = (IEnumerable<object>)mainProperties[detailsIndex].GetValue(mainDto); |
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var startMainRowIndex = rowIndex; |
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for (int datailCount = 0; datailCount < detailList.Count(); datailCount++) |
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{ |
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// 创建新的行用于显示从表数据
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detailRow = sheet.CreateRow(detailCellIndex); |
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IRow dataRow = sheet.CreateRow(rowIndex); |
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// 填充主表数据
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for (int i = 0; i < mainProperties.Length; i++) |
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{ |
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var value = mainProperties[i].GetValue(mainDto); |
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dataRow.CreateCell(i).SetCellValue(value?.ToString()); |
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} |
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rowIndex++; |
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} |
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else |
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var overMainRowIndex = rowIndex; |
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foreach (var detail in detailList) |
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{ |
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// 获取已创建的行用于显示从表数据
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detailRow = sheet.GetRow(detailCellIndex); |
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} |
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if (startMainRowIndex <= overMainRowIndex) |
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{ |
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var detailRow = sheet.GetRow(startMainRowIndex); |
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for (int i = 0; i < detailProperties.Length; i++) |
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{ |
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var value = detailProperties[i].GetValue(detail); |
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detailRow.CreateCell(mainProperties.Length + i).SetCellValue(value?.ToString()); |
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} |
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} |
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for (int i = 0; i < detailProperties.Length; i++) |
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{ |
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var value = detailProperties[i].GetValue(detailItem); |
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detailRow.CreateCell(mainProperties.Length + i).SetCellValue(value?.ToString()); |
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startMainRowIndex++; |
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} |
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} |
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else |
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{ |
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IRow dataRow = sheet.CreateRow(rowIndex); |
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// 填充主表数据
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for (int i = 0; i < mainProperties.Length; i++) |
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{ |
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var value = mainProperties[i].GetValue(mainDto); |
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dataRow.CreateCell(i).SetCellValue(value?.ToString()); |
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detailCellIndex++; |
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var CellStyle = workbook.CreateCellStyle(); |
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CellStyle.FillBackgroundColor = IndexedColors.DarkRed.Index; |
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CellStyle.FillPattern = FillPattern.SolidForeground; |
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dataRow.GetCell(i).CellStyle= CellStyle; |
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} |
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} |
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//添加1个空行将2条数据分割开
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rowIndex++; |
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} |
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// 自动调整列宽
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for (int i = 0; i < mainProperties.Length + detailProperties.Length; i++) |
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if (isHasDetail) |
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{ |
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sheet.AutoSizeColumn(i); |
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// 自动调整列宽
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for (int i = 0; i < mainProperties.Length + detailProperties.Length; i++) |
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{ |
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sheet.AutoSizeColumn(i); |
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} |
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} |
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else |
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{ |
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// 自动调整列宽
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for (int i = 0; i < mainProperties.Length; i++) |
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{ |
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sheet.AutoSizeColumn(i); |
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} |
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} |
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sheet |
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var CellStyle = workbook.CreateCellStyle(); |
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CellStyle.FillBackgroundColor = IndexedColors.DarkRed.Index; |
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CellStyle.FillPattern = FillPattern.SolidForeground; |
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dataRow.GetCell(i).CellStyle = CellStyle; |
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// 保存Excel文件到MemoryStream
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workbook.Write(fileStream,true); |
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@ -345,7 +388,7 @@ public class ZbxBase<TEntity, TEntityDto, TKey, TPagedAndSortedResultRequestDto, |
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// 创建FileContentResult返回Excel文件
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var fileContentResult = new FileContentResult(fileStream.ToArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet") |
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{ |
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FileDownloadName = "export.xlsx" |
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FileDownloadName = typeof(TEntityDto).Name+".xlsx" |
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}; |
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await Task.CompletedTask; |
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