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(Visual FoxPro) URL Encoding Charset in POST Query ParamsDemonstrates how to control the URL encoding charset in POST query params. Note: This example requires Chilkat v11.0.0 or greater.
LOCAL lnSuccess LOCAL lcNameWin1252Encoded LOCAL loSb LOCAL loHttp LOCAL loReq LOCAL loResp lnSuccess = 0 * 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" loSb = CreateObject('Chilkat.StringBuilder') lnSuccess = loSb.DecodeAndAppend(lcNameWin1252Encoded,"url","windows-1252") 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 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()) loReq.HttpVerb = "POST" loReq.HttpVerb = "POST" loReq.ContentType = "application/x-www-form-urlencoded" loResp = CreateObject('Chilkat.HttpResponse') lnSuccess = loHttp.HttpReq("https://www.chilkatsoft.com/something",loReq,loResp) IF (lnSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq RELEASE loResp 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 * --------------------------------------------------------------- * Switch to windows-1252 loReq.Charset = "windows-1252" loReq.HttpVerb = "POST" loReq.ContentType = "application/x-www-form-urlencoded" lnSuccess = loHttp.HttpReq("https://www.chilkatsoft.com/something",loReq,loResp) IF (lnSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq RELEASE loResp 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 * --------------------------------------------------------------- * Let's do the same with HttpSReq, switching back to utf-8 loReq.Path = "/something" loReq.HttpVerb = "POST" loReq.ContentType = "application/x-www-form-urlencoded" loReq.Charset = "utf-8" lnSuccess = loHttp.HttpSReq("www.chilkatsoft.com",443,1,loReq,loResp) IF (lnSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq RELEASE loResp 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 * --------------------------------------------------------------- * 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.new HttpResponse resp; lnSuccess = loHttp.HttpSReq("www.chilkatsoft.com",443,1,loReq,loResp) IF (lnSuccess = 0) THEN ? loHttp.LastErrorText RELEASE loSb RELEASE loHttp RELEASE loReq RELEASE loResp 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 loSb RELEASE loHttp RELEASE loReq RELEASE loResp |
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