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(VBScript) Creating an application/json HTTP POST RequestDemonstrates how to create an HTTP POST request having the Content-Type application/json, where the body of the HTTP request is the following JSON: { "username" : "my_username", "password" : "my_password", "validation-factors" : { "validationFactors" : [ { "name" : "remote_address", "value" : "127.0.0.1" } ] } } The generated HTTP request looks like this: POST /something HTTP/1.1 Content-Type: application/json Accept: application/json Host: domain Content-Length: 216 { "username": "my_username", "password": "my_password", "validation-factors": { "validationFactors": [ { "name": "remote_address", "value": "127.0.0.1" } ] } }
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") 'Create a Unicode (utf-16) output text file. Set outFile = fso.CreateTextFile("output.txt", True, True) ' This example demonstrates building an application/json request. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.HttpRequest") set req = CreateObject("Chilkat.HttpRequest") ' The ContentType, HttpVerb, and Path properties should ' always be explicitly set. req.HttpVerb = "POST" req.Path = "/something" req.ContentType = "application/json" ' We may wish to add an "Accept" header to the request. ' This tells the server we'll accept an application/json response. req.AddHeader "Accept","application/json" ' We'll use Chilkat's JSON API to create the JSON body of the HTTP request. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set json = CreateObject("Chilkat.JsonObject") success = json.AppendString("username","my_username") success = json.AppendString("password","my_password") ' vFactors is a Chilkat.JsonObject Set vFactors = json.AppendObject("validation-factors") ' vArray is a Chilkat.JsonArray Set vArray = vFactors.AppendArray("validationFactors") success = vArray.AddObjectAt(0) ' factorObj is a Chilkat.JsonObject Set factorObj = vArray.ObjectAt(0) success = factorObj.AppendString("name","remote_address") success = factorObj.AppendString("value","127.0.0.1") ' Use the JSON for the HTTP request body ' By default, the Emit method will output compact JSON. ' This is best for generating the smallest size request. ' To generate a more human-readable (pretty-printed) JSON request body, ' set the EmitCompact property to FALSE json.EmitCompact = 0 success = req.LoadBodyFromString(json.Emit(),"utf-8") ' View the request that would be sent if SynchronousRequest was called: requestMime = req.GenerateRequestText() outFile.WriteLine(requestMime) ' A few important comments about the HTTP request that is generated: ' ' 1) The Content-Length header is automatically generated based on the actual length of the MIME message ' that follows the intial (topmost) MIME header. ' 2) The HOST header will automatically get filled in with the actual domain when SynchronousRequest ' is called outFile.Close |
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