获得422状态code错误投递坊？

问题描述

请帮我完成这最后一步，所以我可以用这个项目来完成：）

我想这个例子转换为Vb.Net：

我能顺利拿到CardOnce ID用户输入信用卡信息后。我可以成功地做一个读广场，让我的位置ID。不过，我被困在最后一步时，我提供CardOnce ID，位置ID和金额为POST，我不断收到回一个错误：远程服务器返回错误：（422）状态code 422。

我的code是下面列出和错误occurrs：

错误发生在这个叫做：

  =响应DirectCast（request.GetResponse（），HttpWebResponse）
 

全部code这里：

 公共功能IsSuccessProcess（BYVAL sLocationId作为字符串，BYVAL sCardOnce作为字符串，BYVAL iAmount作为整数）
    昏暗的要求，因为HttpWebRequest的
    昏暗的响应作为HttpWebResponse =无
    昏暗的阅读器的StreamReader
    昏暗的地址作为乌里
    昏暗的数据作为的StringBuilder
    昏暗byteData（）为字节
    昏暗postStream作为流=无    地址=新的URI（https://connect.sq​​uareup.com/v2/locations/＆放大器; sLocationId＆安培;/交易）    创建Web请求
    请求= DirectCast（WebRequest.Create（地址），HttpWebRequest的）    将类型设置为POST
    request.Method =POST
    request.ContentType =应用/ JSON
    request.Accept =应用/ JSON
    request.Headers.Add（授权，承载＆放大器;的accessToken）    数据=新的StringBuilder（）
    昏暗sQuote作为字符串=
    sQuote ='
    data.Append（{＆放大器; sQuote＆放大器;card_nonce与＆amp; sQuote＆放大器;：＆放大器; sCardOnce＆放大器;，＆放大器; sQuote＆放大器;amount_money与＆amp; sQuote＆放大器;：{＆放大器; sQuote＆安培;量和功放; sQuote＆安培;：＆放大器; iAmount＆安培;，＆放大器; sQuote＆安培;货币和放大器; sQuote＆安培;：＆放大器; sQuote＆安培;USD＆放大器; sQuote＆放;}）    昏暗didempotency_key为双= Microsoft.VisualBasic.Timer
    昏暗idempotency_key作为整数= CINT（didempotency_key）
    data.Append（'idempotency_key'：与＆amp; idempotency_key）
    创建数据的字节数组，我们想送
    byteData = UTF8Encoding.UTF8.GetBytes（data.ToString（））
    设置内容长度的请求头
    request.ContentLength = byteData.Length    写数据
    尝试
        postStream = request.GetRequestStream（）
        postStream.Write（byteData，0，byteData.Length）
    最后
        如果没有postStream是Nothing然后postStream.Close（）
    结束Try    尝试
        '获取响应
        响应= DirectCast（request.GetResponse（），HttpWebResponse）        '获取响应流中插入读卡器
        读者=新的StreamReader（response.GetResponseStream（））        控制台应用程序的输出
        Console.WriteLine（reader.ReadToEnd（））
    最后
        如果不回应就是没有那么response.Close（）
    结束Try
    返回TRUE结束功能
 

解决方案

我不停地用JSON字符串玩弄终于拿到了最佳组合。我没有使用amount_money正确。另外，SDK说你必须利用idempotency_key我在一些试验没有。最后，你必须使用实际的报价，而不是一个单引号：

 昏暗SKEY的String = Guid.NewGuid（）的ToString（）
昏暗sMyJsonString作为字符串
sMyJsonString ={＆放大器; sQuote＆安培; card_nonce与＆amp; sQuote＆安培; ：＆放大器; sQuote＆安培; sCardOnce＆安培; sQuote＆安培; 与＆amp; sQuote＆安培; amount_money与＆amp; sQuote＆安培; ：{＆放大器; sQuote＆安培; 量和功放; sQuote＆安培; ：＆放大器; iAmount＆安培; 与＆amp; sQuote＆安培; 货币和放大器; sQuote＆安培; ：＆放大器; sQuote＆安培; USD＆放大器; sQuote＆安培; }，＆放大器; sQuote＆安培; idempotency_key与＆amp; sQuote＆安培; ：＆放大器; sQuote＆安培; SKEY＆安培; sQuote＆安培; }
data.Append（sMyJsonString）
 

我终于收取$ 1.00到自己，在我的帐户广场出现了。这花了很多时间来找出比我所希望的，但所有的好就一切都好，

Please help me finish this last step so I can be done with this project :)

I'm trying to convert this example to Vb.Net:

https://docs.connect.squareup.com/articles/processing-payment-rest/

I can successfully get a CardOnce ID after the user enters credit card information. I can successfully do a READ from Square to get my location ID. However, I'm stuck on the last step when I provide the CardOnce ID, Location ID, and amount to POST, I keep getting back an error: "The remote server returned an error: (422) status code 422."

My Code is listed below and the error occurrs:

Error Occurs when this is called:

response = DirectCast(request.GetResponse(), HttpWebResponse)

Full Code Here:

Public Function IsSuccessProcess(ByVal sLocationId As String, ByVal sCardOnce As String, ByVal iAmount As Integer)
    Dim request As HttpWebRequest
    Dim response As HttpWebResponse = Nothing
    Dim reader As StreamReader
    Dim address As Uri
    Dim data As StringBuilder
    Dim byteData() As Byte
    Dim postStream As Stream = Nothing

    address = New Uri("https://connect.squareup.com/v2/locations/" & sLocationId & "/transactions")

    ' Create the web request
    request = DirectCast(WebRequest.Create(address), HttpWebRequest)

    ' Set type to POST
    request.Method = "POST"
    request.ContentType = "application/json"
    request.Accept = "application/json"
    request.Headers.Add("Authorization", "Bearer " & AccessToken)

    data = New StringBuilder()
    Dim sQuote As String = """"
    sQuote = "'"
    data.Append("{" & sQuote & "card_nonce" & sQuote & ": " & sCardOnce & "," & sQuote & "amount_money" & sQuote & ": {" & sQuote & "amount" & sQuote & ": " & iAmount & "," & sQuote & "currency" & sQuote & ": " & sQuote & "USD" & sQuote & "}")

    Dim didempotency_key As Double = Microsoft.VisualBasic.Timer
    Dim idempotency_key As Integer = CInt(didempotency_key)
    data.Append("'idempotency_key': " & idempotency_key)
    ' Create a byte array of the data we want to send
    byteData = UTF8Encoding.UTF8.GetBytes(data.ToString())
    ' Set the content length in the request headers
    request.ContentLength = byteData.Length

    ' Write data
    Try
        postStream = request.GetRequestStream()
        postStream.Write(byteData, 0, byteData.Length)
    Finally
        If Not postStream Is Nothing Then postStream.Close()
    End Try

    Try
        ' Get response
        response = DirectCast(request.GetResponse(), HttpWebResponse)

        ' Get the response stream into a reader
        reader = New StreamReader(response.GetResponseStream())

        ' Console application output
        Console.WriteLine(reader.ReadToEnd())
    Finally
        If Not response Is Nothing Then response.Close()
    End Try


    Return True

End Function

解决方案

I kept playing around with the JSON string and FINALLY got the winning combination. I wasn't utilizing "amount_money" correctly. Also, the SDK says you HAVE to utilize idempotency_key which I wasn't during some trials. Finally, you HAVE to use actual quotes, not a single apostrophe:

Dim sKey As String = Guid.NewGuid().ToString()
Dim sMyJsonString As String
sMyJsonString = "{" & sQuote & "card_nonce" & sQuote & ":" & sQuote & sCardOnce & sQuote & "," & sQuote & "amount_money" & sQuote & ": {" & sQuote & "amount" & sQuote & ": " & iAmount & "," & sQuote & "currency" & sQuote & ": " & sQuote & "USD" & sQuote & "}," & sQuote & "idempotency_key" & sQuote & ":" & sQuote & sKey & sQuote & "}"
data.Append(sMyJsonString)

I finally charged $1.00 to myself that showed up in my Square account. That took a lot longer to figure out than I had hoped but All's Well that Ends Well.

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