54 lines
1.8 KiB
C#
54 lines
1.8 KiB
C#
using Gather.Common.Util;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using System.IO;
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namespace GatherAPI.Controllers.back
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{
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[Route("api/[controller]")]
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[ApiController]
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public class DownloadFileController : Controller
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{
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private readonly IWebHostEnvironment _webHostEnvironment;
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public DownloadFileController(IWebHostEnvironment webHostEnvironment)
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{
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_webHostEnvironment = webHostEnvironment;
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}
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/// <summary>
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/// 下载文件接口
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/// </summary>
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/// <param name="Path">文件路径</param>
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/// <returns></returns>
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[Authorize]
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[HttpGet]
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public ActionResult Index(string Path)
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{
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try
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{
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if (string.IsNullOrEmpty(Path))
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{
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return Json(Tool.GetJsonWithCode(APICode.Fail, "路径不能为空"));
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}
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string web_path = _webHostEnvironment.WebRootPath;
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var filePath = web_path + "/" + Path;
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//以字符流的形式下载文件
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FileStream fs = new FileStream(filePath, System.IO.FileMode.Open);
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byte[] bytes = new byte[(int)fs.Length];
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fs.Read(bytes, 0, bytes.Length);
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fs.Close();
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string displayName = System.IO.Path.GetFileName(filePath);
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return File(bytes, "application/octet-stream", displayName);
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}
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catch (Exception ex)
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{
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Util.LogHelper.WriteLog(ex.Message + "，行号：" + ex.StackTrace);
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return Json(Tool.GetJsonWithCode(APICode.Fail, "发生错误，请联系管理员。"));
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}
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}
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}
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}
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