QSMP.Utility/Files/ExcelUtils.cs

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using QSMP.Utility.Extension;
using QSMP.Utility.Network;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using OfficeOpenXml;
using OfficeOpenXml.Drawing;
using OfficeOpenXml.Style;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NPOI.SS.Converter;
using System.Web;
using QSMP.Utility.Log;

namespace QSMP.Utility.Files
{
    public class ExcelUtils
    {
        public static string ExcelContentType
        {
            get
            {
                return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
            }
        }

        /// <summary>
        /// 导出Excel
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="data"></param>
        /// <param name="headDict"></param>
        /// <param name="sheetName"></param>
        /// <returns></returns>
        public static byte[] ExportExcel<T>(List<T> data, Dictionary<string, string> headDict, string sheetName = "", bool showSrNo = false)
        {
            DataTable dt = ListToDataTable<T>(data);
            byte[] result = null;
            List<string> keyList = new List<string>();
            if (showSrNo)
            {
                keyList.Add("RowNum");
                dt.Columns.Add("RowNum");
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    dt.Rows[i]["RowNum"] = i + 1;
                }

            }
            //通过键的集合取
            foreach (string key in headDict.Keys)
            {
                keyList.Add(key);