practical-aspnetcore/projects/request/form-upload-file/Program.cs at net8.0 · dodyg/practical-aspnetcore · GitHub

Name: practical-aspnetcore/projects/request/form-upload-file/Program.cs at net8.0 · dodyg/practical-aspnetcore · GitHub
Rating: 4.5 (5636 reviews)
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varapp=WebApplication.Create();

app.MapGet("",async context =>
{
context.Response.Headers.Append("content-type","text/html");

varbody=$@"
 <html><body>
 <h1>Upload File</h1>
 <form action=""Upload"" method=""post"" enctype=""multipart/form-data"">
 <input type=""file"" name=""file"" />
 <input type=""submit"" value=""Upload"" />
 </form>
 </body></html>
 ";

awaitcontext.Response.WriteAsync(body);
});

app.MapPost("Upload",async context =>
{
if(context.Request.HasFormContentType)
{
varform=awaitcontext.Request.ReadFormAsync();

foreach(varfinform.Files)
{
using(varbody=f.OpenReadStream())
{
varfileName=Path.Combine(app.Environment.ContentRootPath,f.FileName);
File.WriteAllBytes(fileName,ReadFully(body));
awaitcontext.Response.WriteAsync($"Uploaded file written to {fileName}");
}
}
}
awaitcontext.Response.WriteAsync("");
});

app.Run();

staticbyte[]ReadFully(Streaminput)
{
byte[]buffer=newbyte[16*1024];
usingvarms=newMemoryStream();
intread;
while((read=input.Read(buffer,0,buffer.Length))>0)
{
ms.Write(buffer,0,read);
}
returnms.ToArray();
}