(Go) multipart/form-data HTTP POST

Demonstrates how to construct and send a multipart/form-data HTTP POST.

For more information, see https://chilkatsoft.com/http_multipart_form_data_post.asp

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Sends the following multipart/form-data POST:

    // POST /xyz/something HTTP/1.1
    // Host: domain
    // Content-Type: multipart/form-data; boundary=------------090708030009010000030901
    // Content-Length: 2220
    // 
    // --------------090708030009010000030901
    // Content-Disposition: form-data; name="param1"
    // 
    // value1
    // --------------090708030009010000030901
    // Content-Disposition: form-data; name="param2"
    // 
    // value2
    // --------------090708030009010000030901
    // Content-Disposition: form-data; name="starfish20"; filename="starfish20.jpg"
    // Content-Type: image/jpeg
    // 
    // JPEG DATA HERE...
    // --------------090708030009010000030901
    // Content-Disposition: form-data; name="helloWorld"; filename="helloWorld.pdf"
    // Content-Type: application/pdf
    // 
    // PDF DATA HERE...
    // --------------090708030009010000030901
    // Content-Disposition: form-data; name="tinyA"; filename="tinyA.xml"
    // Content-Type: text/xml
    // 
    // XML DATA HERE...
    // --------------090708030009010000030901--
    // 

    req := chilkat.NewHttpRequest()
    req.SetHttpVerb("POST")
    req.SetContentType("multipart/form-data")
    req.SetPath("/xyz/something")

    req.AddParam("param1","value1")
    req.AddParam("param2","value2")

    // Add some small files to the request. (Small so we can see what the full request looks like without too much data..)
    bd := chilkat.NewBinData()
    success := bd.LoadFile("qa_data/jpg/starfish20.jpg")
    req.AddBdForUpload("starfish20","starfish20.jpg",bd,"image/jpeg")

    success = bd.LoadFile("qa_data/pdf/helloWorld.pdf")
    req.AddBdForUpload("helloWorld","helloWorld.pdf",bd,"application/pdf")

    success = bd.LoadFile("qa_data/xml/tinyA.xml")
    req.AddBdForUpload("tinyA","tinyA.xml",bd,"text/xml")

    http := chilkat.NewHttp()

    resp := http.SynchronousRequest("example.com",443,true,req)
    if http.LastMethodSuccess() != true {
        fmt.Println(http.LastErrorText())
        req.DisposeHttpRequest()
        bd.DisposeBinData()
        http.DisposeHttp()
        return
    }

    fmt.Println("HTTP response status: ", resp.StatusCode())

    fmt.Println("Received:")
    fmt.Println(resp.BodyStr())

    resp.DisposeHttpResponse()

    req.DisposeHttpRequest()
    bd.DisposeBinData()
    http.DisposeHttp()