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這是我第一次使用JSON，並且卡住了。我試圖通過http://sms.roamtech.com/smsapi/發送測試短信。格式爲：使用Newtonsoft在VB.net中編寫和讀取JSON
發送消息格式（json）。
{
"result":{
"account":"xxxx",
"user":"xxxx",
"password":"xxxxxxxx",
"requestType":"BULK",
"alphanumeric":"xxxxxxxx",
"data":{
"linkid":"xxxxxxx",
"msisdn":"xxxxxxxxxxx",
"networkid":"1",
"message":"xxxxxxxxxxxx",
"callback":"http//test"
}
}
}
所以，這是我想出審查就這個問題和其他網站不同的崗位後：
Imports Newtonsoft.Json
Imports Newtonsoft.Json.Linq
Imports System.IO
Imports System.Net
Imports System.Text
Module modJSON
Public Class clsResult
Public account As String
Public user As String
Public password As String
Public requestType As String
Public alphanumeric As String
Public data As New clsData
End Class
Public Class clsData
Public linkid As String
Public msisdn As String
Public networkid As String
Public message As String
Public callback As String
End Class
Public Class clsPOST
Public result As New clsResult
End Class
Public Sub chkJSON()
Dim r As New clsResult
Dim d As New clsData
Dim x As New clsPOST
r.account = "8852"
r.user = "username"
r.password = "password"
r.requestType = "BULK"
r.alphanumeric = "SMSLEO"
d.linkid = "1001"
d.msisdn = "2547xxxxxxxx"
d.networkid = "1"
d.message = "Just a test"
d.callback = "http://infiniti-africa.com/json"
r.data = d
x.result = r
Dim uriRoam As New Uri("http://sms.roamtech.com/smsapi")
Dim strJSON = JsonConvert.SerializeObject(x, Formatting.Indented)
Dim bytJSON = Encoding.UTF8.GetBytes(strJSON)
Dim result_post = SendRequest(uriRoam, bytJSON, "application/json", "POST")
MsgBox(result_post)
End Sub
Private Function SendRequest(uri As Uri, jsonDataBytes As Byte(), contentType As String, method As String) As String
Dim req As WebRequest = WebRequest.Create(uri)
req.ContentType = contentType
req.Method = method
req.ContentLength = jsonDataBytes.Length
Dim stream = req.GetRequestStream()
stream.Write(jsonDataBytes, 0, jsonDataBytes.Length)
stream.Close()
Dim response = req.GetResponse().GetResponseStream()
Dim reader As New StreamReader(response)
Dim res = reader.ReadToEnd()
reader.Close()
response.Close()
Return res
End Function
End Module
字符串strJSON似乎包含正確的密鑰：值組合。但是，該代碼不會發送測試SMS，我也沒有得到任何迴應。 'SendRequest'返回一個空字符串。
此外，我不確定使用「回調」網址的哪個地方，這是傳遞報告的地方。
注： 1. "linkid"是一個唯一的消息ID 2. "msidn"被接收方電話號碼
任何幫助理解。
我也用下面的類的嘗試：
Public Class JsonPost
Private urlToPost As String = ""
Public Sub New(ByVal urlToPost As String)
Me.urlToPost = urlToPost
End Sub
Public Function postData(pstData As Byte()) As Boolean
Dim webClient As New WebClient()
Dim resByte As Byte()
Dim resString As String
Try
webClient.Headers("content-type") = "application/json"
resByte = webClient.UploadData(Me.urlToPost, "post", pstData)
resString = Encoding.Default.GetString(resByte)
Console.WriteLine(resString)
webClient.Dispose()
Return True
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
Return False
End Function
End Class
然後美其名曰：
Dim strJSON = JsonConvert.SerializeObject(x)
Dim bytJSON = Encoding.UTF8.GetBytes(strJSON)
Dim jsonPost As New JsonPost("http://sms.roamtech.com/smsapi")
jsonPost.postData(bytJSON)
我仍然得到什麼。現在已經三天苦苦掙扎了。任何想法的人？