MeiRiYiCheng_1_old/YBDevice.Application/Excel/ExcelService.cs

48 lines
1.6 KiB
C#

using Furion.DependencyInjection;
using Microsoft.AspNetCore.Hosting;
using MiniExcelLibs;
using Nirvana.Common.ApiBase;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace YBDevice.Application.Excel
{
/// <summary>
/// EXCEL处理
/// </summary>
public class ExcelService : IExcelService, ITransient
{
private static IWebHostEnvironment _hostingEnvironment;
public ExcelService(IWebHostEnvironment hostingEnvironment)
{
_hostingEnvironment = hostingEnvironment;
}
/// <summary>
/// 数据导出
/// </summary>
/// <param name="list"></param>
/// <returns></returns>
public async Task<ResultInfo> ExportAsync(List<Dictionary<string, object>> list)
{
if (list.Count == 0)
{
return new ResultInfo(ResultState.FAIL, "未查询到可用的数据");
}
string savefolder = _hostingEnvironment.WebRootPath;
string rootname = $"/download/device";
if (!Directory.Exists($"{savefolder}{rootname}"))
{
Directory.CreateDirectory($"{savefolder}{rootname}");
}
string filename = $"{DateTime.Now.ToString("yyyyMMddHHmmssff")}.xlsx";
string path = $"{savefolder}{rootname}/{filename}";
await MiniExcel.SaveAsAsync(path, list);
return new ResultInfo(ResultState.SUCCESS, "导出成功", $"{rootname}/{filename}");
}
}
}