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EPPlus替换成miniExcel

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不做码农
2022-12-08 16:53:47 +08:00
parent d32c211aee
commit 1792bb773d
16 changed files with 172 additions and 216 deletions
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148
ZR.Common/ExcelHelper.cs
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@@ -3,7 +3,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using OfficeOpenXml;
namespace ZR.Common
{
public class ExcelHelper<T> where T : new()
@@ -13,84 +13,84 @@ namespace ZR.Common
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static IEnumerable<T> ImportData(Stream stream)
{
using ExcelPackage package = new(stream);
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
ExcelWorksheet worksheet = package.Workbook.Worksheets[0];//读取第1个sheet
//获取表格的列数和行数
//public static IEnumerable<T> ImportData(Stream stream)
//{
// using ExcelPackage package = new(stream);
// //ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
// ExcelWorksheet worksheet = package.Workbook.Worksheets[0];//读取第1个sheet
// //获取表格的列数和行数
int colStart = worksheet.Dimension.Start.Column;
int colEnd = worksheet.Dimension.End.Column;
int rowStart = worksheet.Dimension.Start.Row;
int rowEnd = worksheet.Dimension.End.Row;
//int rowCount = worksheet.Dimension.Rows;
//int ColCount = worksheet.Dimension.Columns;
// int colStart = worksheet.Dimension.Start.Column;
// int colEnd = worksheet.Dimension.End.Column;
// int rowStart = worksheet.Dimension.Start.Row;
// int rowEnd = worksheet.Dimension.End.Row;
// //int rowCount = worksheet.Dimension.Rows;
// //int ColCount = worksheet.Dimension.Columns;
List<T> resultList = new();
List<PropertyInfo> propertyInfos = new();// new(typeof(T).GetProperties());
Dictionary<string, int> dictHeader = new();
for (int i = colStart; i < colEnd; i++)
{
var name = worksheet.Cells[rowStart, i].Value.ToString();
dictHeader[name] = i;
// List<T> resultList = new();
// List<PropertyInfo> propertyInfos = new();// new(typeof(T).GetProperties());
// Dictionary<string, int> dictHeader = new();
// for (int i = colStart; i < colEnd; i++)
// {
// var name = worksheet.Cells[rowStart, i].Value?.ToString();
// dictHeader[name] = i;
PropertyInfo propertyInfo = MapPropertyInfo(name);
if (propertyInfo != null)
{
propertyInfos.Add(propertyInfo);
}
}
for (int row = rowStart + 1; row <= rowEnd; row++)
{
T result = new();
// PropertyInfo propertyInfo = MapPropertyInfo(name);
// if (propertyInfo != null)
// {
// propertyInfos.Add(propertyInfo);
// }
// }
// for (int row = rowStart + 1; row <= rowEnd; row++)
// {
// T result = new();
foreach (PropertyInfo p in propertyInfos)
{
try
{
ExcelRange cell = worksheet.Cells[row, dictHeader[p.Name]];
if (cell.Value == null)
{
continue;
}
switch (p.PropertyType.Name.ToLower())
{
case "string":
p.SetValue(result, cell.GetValue<string>());
break;
case "int16":
p.SetValue(result, cell.GetValue<short>()); break;
case "int32":
p.SetValue(result, cell.GetValue<int>()); break;
case "int64":
p.SetValue(result, cell.GetValue<long>()); break;
case "decimal":
p.SetValue(result, cell.GetValue<decimal>());
break;
case "double":
p.SetValue(result, cell.GetValue<double>()); break;
case "datetime":
p.SetValue(result, cell.GetValue<DateTime>()); break;
case "boolean":
p.SetValue(result, cell.GetValue<bool>()); break;
case "char":
p.SetValue(result, cell.GetValue<string>()); break;
default:
break;
}
}
catch (KeyNotFoundException ex)
{
Console.WriteLine("未找到该列将继续循环，" + ex.Message);
continue;
}
}
resultList.Add(result);
}
// foreach (PropertyInfo p in propertyInfos)
// {
// try
// {
// ExcelRange cell = worksheet.Cells[row, dictHeader[p.Name]];
// if (cell.Value == null)
// {
// continue;
// }
// switch (p.PropertyType.Name.ToLower())
// {
// case "string":
// p.SetValue(result, cell.GetValue<string>());
// break;
// case "int16":
// p.SetValue(result, cell.GetValue<short>()); break;
// case "int32":
// p.SetValue(result, cell.GetValue<int>()); break;
// case "int64":
// p.SetValue(result, cell.GetValue<long>()); break;
// case "decimal":
// p.SetValue(result, cell.GetValue<decimal>());
// break;
// case "double":
// p.SetValue(result, cell.GetValue<double>()); break;
// case "datetime":
// p.SetValue(result, cell.GetValue<DateTime>()); break;
// case "boolean":
// p.SetValue(result, cell.GetValue<bool>()); break;
// case "char":
// p.SetValue(result, cell.GetValue<string>()); break;
// default:
// break;
// }
// }
// catch (KeyNotFoundException ex)
// {
// Console.WriteLine("未找到该列将继续循环，" + ex.Message);
// continue;
// }
// }
// resultList.Add(result);
// }
return resultList;
}
// return resultList;
//}
/// <summary>
/// 查找Excel列名对应的实体属性