I use TempFile.persist_to() to save file, but the dest file contains not only the original contents,but also http form info in the begin and end of the file.

[jkklee]

my code:

#[post("/upload", data = "<file>")]
async fn upload(mut file: TempFile<'_>) -> std::io::Result<String> {
    file.persist_to("/tmp/file.txt").await?; 
    Ok(format!("upload success, name: {:?}, length:{}\n",file.name(),file.len()))
}

I use curl to upload a file :

curl -X POST -F 'file=@ttt' http://127.0.0.1:8000/upload

The post request was succeed, but the dest file seems not right ,like that:

~ cat /tmp/file.txt
--------------------------8e2c1ccd37dbe8fe
Content-Disposition: form-data; name="file"; filename="ttt"
Content-Type: application/octet-stream

adasbsj  32     #this is my content
adasg  39        #this is my content
...
zkdoctor  16    #this is my content

--------------------------8e2c1ccd37dbe8fe--

I hope someone would help me, tks.

[SergioBenitez]

You should be getting a warning in your console telling you why what you're doing is probably not what you want to be doing. There's also a FAQ entry for exactly this.