headers=list

method= a string

timeout=posint

forcemode=name

Form is a higher level command that accepts the form data as a list of equations, and then properly formats it as an HTTP request.

$\mathrm{status},\mathrm{data},\mathrm{headers}≔\mathrm{HTTP}:-\mathrm{Form}\left(''http://www.ssa.gov/cgi-bin/popularnames.cgi''\,\left[''year''=1990\,''top''=20\,''number''=''n''\right]\right)\:$

$\mathrm{HTTP}:-\mathrm{Code}\left(\mathrm{status}\right)$

$''OK''$

$\mathrm{type}\left(\mathrm{data}\,'\mathrm{string}'\right)$

$\mathrm{true}$

$\mathrm{data}\left[1..39\right]$

$\mathrm{type}\left(\mathrm{headers}\,'\mathrm{table}'\right)$

$\mathrm{true}$

$\mathrm{headers}\left[''Content-Type''\right]$

$''text/html;\; charset=UTF-8''$

$\mathrm{status},\mathrm{data},\mathrm{headers}≔\mathrm{HTTP}:-\mathrm{Form}\left(''http://www.wunderground.com//history/airport/CYKF/2010/05/13/DailyHistory.html''\,\left[\mathrm{HideSpecis}=0\,\mathrm{format}=0\right]\,\mathrm{method}=''GET''\right)\:$

$\mathrm{HTTP}:-\mathrm{Code}\left(\mathrm{status}\right)$

$''OK''$

$\mathrm{type}\left(\mathrm{data}\,'\mathrm{string}'\right)$

$\mathrm{true}$

$\mathrm{data}\left[1..160\right]$

$''TimeEDT,TemperatureC,Dew\; PointC,Humidity,Sea\; Level\; PressurehPa,VisibilityKm,Wind\; Direction,Wind\; SpeedKm/h,Gust\; SpeedKm/h,Precipitationmm,Events,Conditions,Wind''$

$\mathrm{type}\left(\mathrm{headers}\,'\mathrm{table}'\right)$

$\mathrm{true}$

$\mathrm{headers}\left[''Connection''\right]$

$''close''$

$\mathrm{status},\mathrm{data},\mathrm{headers}≔\mathrm{HTTP}:-\mathrm{Form}\left(''http://chart.apis.google.com/chart''\,\left[\mathrm{chs}=''100x100''\,\mathrm{cht}=''qr''\,\mathrm{chl}=''http://mapleprimes.com/''\right]\right)\:$

$\mathrm{HTTP}:-\mathrm{Code}\left(\mathrm{status}\right)$

$''OK''$

$\mathrm{type}\left(\mathrm{data}\,'\mathrm{rtable}'\right)$

$\mathrm{true}$

$\mathrm{data}$

$\left[\mathrm{-119}\,80\,78\,71\,13\,10\,26\,10\,0\,0\,0\,13\,73\,72\,68\,82\,0\,0\,0\,100\,0\,0\,0\,100\,8\,2\,0\,0\,0\,\mathrm{-1}\,\mathrm{-128}\,2\,3\,0\,0\,0\,6\,98\,75\,71\,68\,0\,\mathrm{-1}\,0\,\mathrm{-1}\,0\,\mathrm{-1}\,\mathrm{-96}\,\mathrm{-67}\,\mathrm{-89}\,\mathrm{-109}\,0\,0\,2\,61\,73\,68\,65\,84\,120\,\mathrm{-100}\,\mathrm{-19}\,\mathrm{-100}\,\mathrm{-63}\,110\,\mathrm{-60}\,48\,8\,5\,\mathrm{-101}\,\mathrm{-86}\,\mathrm{-1}\,\mathrm{-1}\,\mathrm{-53}\,\mathrm{-37}\,91\,\mathrm{-10}\,\mathrm{-32}\,21\,98\,0\,59\,\mathrm{-86}\,58\,115\,109\,\mathrm{-20}\,68\,79\,\mathrm{-68}\,26\,108\,\mathrm{-68}\,\mathrm{-41}\,\mathrm{-21}\,\mathrm{-11}\,\mathrm{-6}\,\mathrm{-110}\,28\,\mathrm{-33}\,\dots \,\text{⋯ 548 Array entries not shown}\right]$

The HTTP[Form] command was introduced in Maple 15.

For more information on Maple 15 changes, see Updates in Maple 15.