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(Visual FoxPro) URL Encoding Charset in POST Query ParamsDemonstrates how to control the URL encoding charset in POST query params.
LOCAL lcNameWin1252Encoded LOCAL loSb LOCAL lnSuccess LOCAL loHttp LOCAL loReq LOCAL loResp * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * We have the string "MÆRSK". lcNameWin1252Encoded = "M%E6RSK" * Note: The DecodeAndAppend method is newly added in Chilkat v9.5.0.87 * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSb = CreateObject('Chilkat.StringBuilder') lnSuccess = loSb.DecodeAndAppend(lcNameWin1252Encoded,"url","windows-1252") * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http') loHttp = CreateObject('Chilkat.Http') * We're setting the session log filename so we can see the exact request sent. loHttp.SessionLogFilename = "qa_output/sessionLog.txt" * First demonstrate a simple application/x-www-form-urlencoded POST * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.HttpRequest') loReq = CreateObject('Chilkat.HttpRequest') * Set the Charset = "utf-8" to cause URL encoding to use utf-8. loReq.Charset = "utf-8" loReq.AddParam("name",loSb.GetAsString()) loResp = loHttp.PostUrlEncoded("https://www.chilkatsoft.com/something",loReq) IF (loHttp.LastMethodSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq CANCEL ENDIF * This is the request that is sent: * Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6) * POST /something HTTP/1.1 * Host: www.chilkatsoft.com * Content-Type: application/x-www-form-urlencoded * Content-Length: 15 * * name=M%C3%A6RSK RELEASE loResp * --------------------------------------------------------------- * Switch to windows-1252 loReq.Charset = "windows-1252" loResp = loHttp.PostUrlEncoded("https://www.chilkatsoft.com/something",loReq) IF (loHttp.LastMethodSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq CANCEL ENDIF * This is the request that is sent: * Notice that windows-1252 is used in the query param (the letter 'Æ' is %E6) * POST /something HTTP/1.1 * Host: www.chilkatsoft.com * Content-Type: application/x-www-form-urlencoded * Content-Length: 12 * * name=M%E6RSK RELEASE loResp * --------------------------------------------------------------- * Let's do the same with SynchronousRequest, switching back to utf-8 loReq.Path = "/something" loReq.HttpVerb = "POST" loReq.ContentType = "application/x-www-form-urlencoded" loReq.Charset = "utf-8" loResp = loHttp.SynchronousRequest("www.chilkatsoft.com",443,1,loReq) IF (loHttp.LastMethodSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq CANCEL ENDIF * This is the request that is sent: * Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6) * POST /something HTTP/1.1 * Host: www.chilkatsoft.com * Content-Type: application/x-www-form-urlencoded * Content-Length: 15 * * name=M%C3%A6RSK RELEASE loResp * --------------------------------------------------------------- * Let's do a PostXml where the query params are in the HTTP request start line, * and the Content-Type is text/xml where the body of the request is XML. loReq.Path = "/something" loReq.HttpVerb = "POST" loReq.ContentType = "text/xml" lnSuccess = loReq.LoadBodyFromString("<test>123</test>","utf-8") loReq.Charset = "utf-8" * Remember... our request object still contains the query param added in the above call to AddParam. loResp = loHttp.SynchronousRequest("www.chilkatsoft.com",443,1,loReq) IF (loHttp.LastMethodSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq CANCEL ENDIF * This is the request that is sent: * Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6) * POST /something?name=M%C3%A6RSK HTTP/1.1 * Host: www.chilkatsoft.com * Content-Type: text/xml * Content-Length: 16 * * <test>123</test> RELEASE loResp RELEASE loSb RELEASE loHttp RELEASE loReq |
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