diff --git a/examples/tutorial/step_3.wiki b/examples/tutorial/step_3.wiki index 54df1a21..d45abfe4 100644 --- a/examples/tutorial/step_3.wiki +++ b/examples/tutorial/step_3.wiki @@ -12,6 +12,43 @@ or go to [[step_4.wiki|step 4]] == "hello" project == * Let's start from the "hello_custom" project * you will learn how to use the req: WSF_REQUEST argument +* See the hello project from [[step_3]] folder + +* The code looks like + + response (req: WSF_REQUEST): WSF_HTML_PAGE_RESPONSE + -- Computed response message. + do + --| It is now returning a WSF_HTML_PAGE_RESPONSE + --| Since it is easier for building html page + create Result.make + Result.set_title ("EWF tutorial / Hello World!") + --| Check if the request contains a parameter named "user" + --| this could be a query, or a form parameter + if attached req.string_item ("user") as f_user then + --| If yes, say hello world #name + Result.set_body ("Hello " + f_user.string + "!") + --| We should html encode this name + --| but to keep the example simple, we don't do that for now. + else + --| Otherwise, ask for name + Result.set_body ("[ +
+ ]" + ) + end + --| note: + --| 1) Source of the parameter, we could have used + --| req.query_parameter ("user") to search only in the query string + --| req.form_parameter ("user") to search only in the form parameters + --| 2) response type + --| it could also have used WSF_PAGE_REPONSE, and build the html in the code + --| + end ----