[英]Error in downloading PDF file from ABL Code
使用“進度”指示的例程運行測試以下載PDF文件時,出現以下問題。 有些文件下載正確,而另一些文件僅包含一部分,因此該文件無效。
我用2個隨機鏈接進行了測試,其中一個是正確的,另一個是錯誤的。
有沒有人遇到過這種情況?
參考: http : //knowledgebase.progress.com/articles/Article/How-to-download-PDF-files-from-ABL-code
謝謝!
我的代碼:
/* http://knowledgebase.progress.com/articles/Article/How-to-download-PDF-files-from-ABL-code */
/* Article Number 000080110 */
USING OpenEdge.Core.*.
USING OpenEdge.Net.HTTP.*.
USING OpenEdge.Net.HTTP.Lib.ClientLibraryBuilder.
DEFINE VARIABLE oRequest AS IHttpRequest NO-UNDO.
DEFINE VARIABLE oResponse AS IHttpResponse NO-UNDO.
DEFINE VARIABLE oRequestBody AS WidgetHandle NO-UNDO.
DEFINE VARIABLE oResponseMemptrEntity AS OpenEdge.Core.Memptr NO-UNDO.
DEFINE VARIABLE oByteBucket AS OpenEdge.Core.ByteBucket NO-UNDO.
/*IT'S OK*/
oRequest = RequestBuilder:GET ("http://www.pdf995.com/samples/pdf.pdf"):Request.
oResponse = ClientBuilder:Build():Client:Execute(oRequest).
oByteBucket = CAST(oResponse:Entity,OpenEdge.Core.ByteBucket).
oResponseMemptrEntity = oByteBucket:GetBytes().
COPY-LOB FROM oResponseMemptrEntity:Value TO FILE "c:\temp\FILE-OK.pdf".
/*IT'S ERROR*/
oRequest = RequestBuilder:GET ("http://www.axmag.com/download/pdfurl-guide.pdf"):Request.
oResponse = ClientBuilder:Build():Client:Execute(oRequest).
oByteBucket = CAST(oResponse:Entity,OpenEdge.Core.ByteBucket).
oResponseMemptrEntity = oByteBucket:GetBytes().
COPY-LOB FROM oResponseMemptrEntity:Value TO FILE "c:\temp\FILE-ERROR.pdf".
我已經在OpenEdge 11.7(64位)上嘗試了您的示例代碼,它似乎可以毫無問題地下載兩個文件。
OpenEdge.net.pl已在整個OpenEdge 11.6 Service Pack中進行了更新。 11.6.3是最新的版本。 我建議您嘗試升級到11.6.3(OpenEdge 11.6的Service Pack 3),然后重試。
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