LoadRunner上传文件

 参考：https://cloud.tencent.com/developer/article/1199644?from=article.detail.1503451

     web_submit_data("file_upload",

                   "Action=http://tupload:8080/api/file/upload",

                   "Method=POST",

       	           "EncType=multipart/form-data;charset=UTF-8;Boundary=__X_PAW_BOUNDARY__",

                   "RecContentType=text/html",

                   "Mode=HTTP",

                   ITEMDATA,

	           "Name=apikey","Value=c0d8445733b049dc9c3d4a6a3005de46f15462f97cf344b9a4d43ebc809a1c39",ENDITEM,

                   "Name=file", "Value=f:/1.prn", "File=yes", ENDITEM,
      LAST);