75 lines
2.5 KiB
C#
75 lines
2.5 KiB
C#
using System;
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using System.Web;
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using System.IO;
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using Newtonsoft.Json;
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using WebLib;
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namespace Education.Services
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{
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public class TrainFareUploadHandler : IHttpHandler, System.Web.SessionState.IRequiresSessionState
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{
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public bool IsReusable => false;
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public void ProcessRequest(HttpContext context)
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{
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context.Response.ContentType = "application/json; charset=utf-8";
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try
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{
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if (context.Request.Files.Count == 0)
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{
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WriteResponse(context, false, "沒有檔案被上傳", null);
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return;
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}
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HttpPostedFile uploadFile = context.Request.Files[0];
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if (uploadFile == null || uploadFile.ContentLength == 0)
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{
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WriteResponse(context, false, "檔案為空", null);
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return;
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}
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string uploadDir = Path.Combine(context.Server.MapPath("~/"), "DocUpload");
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if (!Directory.Exists(uploadDir))
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{
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Directory.CreateDirectory(uploadDir);
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}
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// 使用 TrainFareImport_時間戳.xlsx 格式命名
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string timestamp = PublicVariable.TaiwanNow.ToString("yyyyMMdd_HHmmss_fff");
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string tempFileName = Path.Combine(uploadDir, $"TrainFareImport_{timestamp}.xlsx");
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// 確保檔案是 XLSX 或 XLS 格式
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if (!uploadFile.FileName.EndsWith(".xlsx", StringComparison.OrdinalIgnoreCase) &&
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!uploadFile.FileName.EndsWith(".xls", StringComparison.OrdinalIgnoreCase))
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{
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WriteResponse(context, false, "只支援 .xlsx 或 .xls 格式的檔案", null);
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return;
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}
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uploadFile.SaveAs(tempFileName);
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context.Session["火車票價匯入檔案"] = tempFileName;
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WriteResponse(context, true, "上傳成功", tempFileName);
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}
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catch (Exception ex)
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{
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WriteResponse(context, false, $"上傳失敗：{ex.Message}", null);
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}
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}
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private void WriteResponse(HttpContext context, bool success, string message, string data)
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{
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var response = new
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{
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Success = success,
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Message = message,
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Data = data
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};
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context.Response.Write(JsonConvert.SerializeObject(response));
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}
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}
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}
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