81 lines
3.4 KiB
C#
81 lines
3.4 KiB
C#
using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Repository.BackendRepository.Interface;
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using Repository.FrontendRepository.Interface;
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using System;
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using System.IdentityModel.Tokens.Jwt;
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using System.IO;
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using System.Net;
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namespace FrontendWebApi.ApiControllers
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{
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public class FileController : MyBaseApiController<GraphManageController>
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{
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private readonly IBackendRepository backendRepository;
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private readonly IFrontendRepository frontendRepository;
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private string graphManageFileSaveAsPath = "";
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private string operationFileSaveAsPath = "";
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public FileController(IBackendRepository backendRepository, IFrontendRepository frontendRepository)
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{
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this.backendRepository = backendRepository;
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this.frontendRepository = frontendRepository;
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graphManageFileSaveAsPath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "upload", "graph_manage");
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operationFileSaveAsPath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "upload", "operation");
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}
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public bool Download([FromQuery]string type , string savename, string oriname)
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{
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var path = "";
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if (type == "graph")
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{
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path = Path.Combine(graphManageFileSaveAsPath, savename);
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}
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else if (type == "operation")
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{
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path = Path.Combine(operationFileSaveAsPath, savename);
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}
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if (System.IO.File.Exists(path) && path != "")
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{
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try
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{
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FileInfo xpath_file = new FileInfo(path); //要 using System.IO;
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// 將傳入的檔名以 FileInfo 來進行解析（只以字串無法做）
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HttpContext.Response.Clear(); //清除buffer
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HttpContext.Response.ContentType = "application/octet-stream";
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// 檔案類型還有下列幾種"application/pdf"、"application/vnd.ms-excel"、"text/xml"、"text/HTML"、"image/JPEG"、"image/GIF"
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HttpContext.Response.Headers.Add("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(oriname, System.Text.Encoding.UTF8));
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// 考慮 utf-8 檔名問題，以 out_file 設定另存的檔名
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HttpContext.Response.Headers.Add("Content-Length", xpath_file.Length.ToString()); //表頭加入檔案大小
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HttpContext.Response.SendFileAsync(xpath_file.FullName);
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return true;
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}
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catch (Exception)
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{ return false; }
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}
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else
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return false;
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}
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[HttpGet]
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[Route("api/df")]
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public ActionResult DownloadFile(string path, string fileName, string token)
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{
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var jwt = new JwtSecurityTokenHandler().ReadJwtToken(token);
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if (jwt == null)
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return Unauthorized(HttpStatusCode.Unauthorized);
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else if (fileName == null)
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return NotFound("找不到文件");
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var filePath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "excel", path);
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return File(System.IO.File.ReadAllBytes(Path.Combine(filePath, fileName)), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", fileName);
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}
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}
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}
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