Seyounth.Auto.Hs/services/Syc.Basic.Web.WMS.Application/Service/DownService.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Syc.Basic.Web.WMS.Dto;
using Syc.Basic.Web.WMS.Entitys;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Volo.Abp.Domain.Repositories;

namespace Syc.Basic.Web.WMS.Service
{
    [AllowAnonymous]
    public class DownService:ApiService
    {
        private readonly IRepository<Silk> silkRepository;
        private readonly IRepository<Box> boxRepository;

        public DownService(IRepository<Silk> silkRepository, IRepository<Box> boxRepository)
        {
            this.silkRepository = silkRepository;
            this.boxRepository = boxRepository;
        }

        [HttpPost("api/DownSilk")]
        public async Task<string> DownLoadSilk(IdsInput input)
        {
            var silks = await silkRepository.GetListAsync(x => input.Ids.Contains(x.Id));
            var silklist = silks.Select(x => new DownSilkDto
            {
                Id = x.Id,
                Code = x.Code,
                Lot_No = x.Lot_No,
                Name = x.Name,
                Type = x.Type,
                Length = x.Length,
                Net_Weight = x.Net_Weight,
                Color = x.Color,
                Date = x.Date,
                BoxId = x.BoxId,
                Createtime = x.Createtime,
                Status_Details = x.Status_Details
            }).ToList();

            if (silks.Count == 0)
                throw Oops.Oh("没有导出的数据");

            // 2. 自定义 Excel 表头（可选：替换模型属性名）
            var customHeaders = new Dictionary<string, string>
            {
                { nameof(Silk.Id), "Id" },
                { nameof(Silk.Code), "编号" },
                { nameof(Silk.Lot_No), "批次号" },
                { nameof(Silk.Name), "名称" },
                { nameof(Silk.Type), "规格" },
                { nameof(Silk.Length), "长度" },
                { nameof(Silk.Net_Weight), "重量(kg)" },
                { nameof(Silk.Color), "标注" },
                { nameof(Silk.BoxId), "成箱编号" },
                { nameof(Silk.Date), "生产时间" },
                { nameof(Silk.Status_Details), "状态说明" },
                { nameof(Silk.Createtime), "创建时间" }
            };

            var webHost = base.HttpContext.RequestServices.GetService(typeof(IWebHostEnvironment)) as IWebHostEnvironment;
            // 3. 生成 Excel 内存流
            var fileName1 = $"{DateTime.Now.ToString("yyyyMMddHHmmss")}.xlsx";
            var fiePath = Path.Combine(webHost.WebRootPath, fileName1);
            ExcelExporter.ExportToExcelStream(silklist, "丝锭数据报表", fiePath, customHeaders);

            // 4. 配置下载响应（解决中文文件名乱码）
            string fileName = $"丝锭数据报表_{DateTime.Now:yyyyMMddHHmmss}.xlsx";
            string encodedFileName = System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8);

            // 5. 返回文件流（浏览器自动下载）xx
            return $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host.Host}:{HttpContext.Request.Host.Port}/{fileName1}";
        }

        [HttpPost("api/DownBox")]
        public async Task<string> DownLoadBox(IdsInput input)
        {
            var box = await boxRepository.GetListAsync(x => input.Ids.Contains(x.Id));
            var boxlist = box.Select(x => new DownBoxDto
            {
                Code = x.Code,
                Lot_No = x.Lot_No,
                Type = x.Type,
                Spec = x.Spec,
                Length = x.Length,
                Net_Weight = x.Net_Weight,
                Gross_Weight = x.Gross_Weight,
                Qty = x.Qty,
                Color = x.Color,
                Dom_Time = x.Dom_Time,
                Exp_Time = x.Exp_Time,
                Mark = x.Mark,
                Create_Time = x.Create_Time
            }).ToList();

            if (box.Count == 0)
                throw Oops.Oh("没有导出的数据");

            // 2. 自定义 Excel 表头（可选：替换模型属性名）
            var customHeaders = new Dictionary<string, string>
            {
                { nameof(Box.Code), "编号" },
                { nameof(Box.Lot_No), "批次号" },
                { nameof(Box.Type), "名称" },
                { nameof(Box.Spec), "规格" },
                { nameof(Box.Length), "长度" },
                { nameof(Box.Net_Weight), "重量(kg)" },
                { nameof(Box.Gross_Weight), "毛重(kg)" },
                { nameof(Box.Qty), "每箱/个" },
                { nameof(Box.Color), "标注" },
                { nameof(Box.Dom_Time), "生产时间" },
                { nameof(Box.Exp_Time), "有效期" },
                { nameof(Box.Mark), "状态说明" },
                { nameof(Box.Create_Time), "创建时间" }
            };

            var webHost = base.HttpContext.RequestServices.GetService(typeof(IWebHostEnvironment)) as IWebHostEnvironment;
            // 3. 生成 Excel 内存流
            var fileName1 = $"{DateTime.Now.ToString("yyyyMMddHHmmss")}.xlsx";
            var fiePath = Path.Combine(webHost.WebRootPath, fileName1);
            ExcelExporter.ExportToExcelStream(boxlist, "丝锭数据报表", fiePath, customHeaders);

            // 4. 配置下载响应（解决中文文件名乱码）
            string fileName = $"成箱数据报表_{DateTime.Now:yyyyMMddHHmmss}.xlsx";
            string encodedFileName = System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8);

            // 5. 返回文件流（浏览器自动下载）xx
            return $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host.Host}:{HttpContext.Request.Host.Port}/{fileName1}";
        }
    }
}