QRAPI/API/Wood.Service/Datas/SupplierProAttachmentDataDtService.cs

using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using TaskManager.Entity;
using TaskManager.EntityFramework.Repository;
using TaskManager.EntityFramework;
using Wood.Service.Controllers;
using Magicodes.ExporterAndImporter.Core.Models;
using TaskManager.Entity.Entitys;

namespace Wood.Service.Datas
{
    

    public class SupplierProAttachmentDataDtService : NormalBaseController<SUPPLIER_PRO_ATTACHMENT_DATA_DT>
    {
        public SupplierProAttachmentDataDtService(JobDbContext context, IServiceProvider builder, IConfiguration configuration, IRepository<SUPPLIER_PRO_ATTACHMENT_DATA_DT> repository) : base(context, builder, configuration, repository)
        {
        }

        [HttpPost]
        [Route("import")]
        public override async Task<IActionResult> Import(IFormFile file)
        {
            if (file == null || file.Length == 0)
            {
                return NotFound();
            }
            MemoryStream memStream = new MemoryStream();
            await file.CopyToAsync(memStream);

            var importer = new ExcelImporter();
            ImportResult<SUPPLIER_PRO_ATTACHMENT_DATA_DT> impResult = await importer.Import<SUPPLIER_PRO_ATTACHMENT_DATA_DT>(memStream);
            if (impResult.HasError)
            {
                StringBuilder sb = new StringBuilder();
                foreach (var rowErr in impResult.RowErrors)
                {
                    string temp = string.Join("；", rowErr.FieldErrors.Select(itm => $"第{rowErr.RowIndex}行：{itm.Key}-{itm.Value}"));
                    sb.AppendLine(temp);
                }
                foreach (var templateErr in impResult.TemplateErrors)
                {
                    string temp = $"列名：{templateErr.RequireColumnName}，错误信息：{templateErr.Message}";
                    sb.AppendLine(temp);
                }
                throw new Exception(sb.ToString());
            }
            foreach (var item in impResult.Data) //??增加批量插入
            {
                await Create(item);
            }
            return Ok(true);
        }
    }

}