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.

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

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

$''OK''$

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

$\mathrm{true}$

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

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

$\mathrm{true}$

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

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

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

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

$''OK''$

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

$\mathrm{true}$

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

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

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

$\mathrm{true}$

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

$''close''$

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

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

$''OK''$

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

$\mathrm{true}$

$\mathrm{data}$

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

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