37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net.Http;
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using System.Text;
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using System.Threading.Tasks;
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namespace 电子展板.Utility.Web
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{
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public class WithExtensionMultipartFormDataStreamProvider : MultipartFormDataStreamProvider
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{
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public string guid { get; set; }
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public string OriginalName { get; set; }
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public string Ext { get; set; }
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public WithExtensionMultipartFormDataStreamProvider(string rootPath, string guidStr) : base(rootPath)
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{
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guid = guidStr;
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}
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public override string GetLocalFileName(System.Net.Http.Headers.HttpContentHeaders headers)
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{
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OriginalName = !string.IsNullOrWhiteSpace(headers.ContentDisposition.FileName) ? GetValidFileName(headers.ContentDisposition.FileName) : "";
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Ext = !string.IsNullOrWhiteSpace(OriginalName) ? Path.GetExtension(GetValidFileName(OriginalName)) : "";
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return guid + Ext;
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}
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private string GetValidFileName(string filePath)
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{
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char[] invalids = System.IO.Path.GetInvalidFileNameChars();
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return string.Join("_", filePath.Split(invalids, StringSplitOptions.RemoveEmptyEntries)).TrimEnd('.');
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}
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}
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}
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