This document describes Ring documentation for version 1.6. It includes examples of HTTP GET and POST requests, uploading files, using cookies, URL encoding, and templates. Code samples are provided to demonstrate creating web pages and forms for each of these features and accessing submitted data.

1. Ring Documentation, Release 1.6
stylecolor("black")+stylegradient(58) ])
newline()
text ( "Name : " )
newline() newline()
text ( "Address : " )
newline() newline()
text ( "Phone : " )
newline() newline()
text ( "Age : " )
newline() newline()
text ( "City : " )
newline() newline()
text ( "Country : " )
newline() newline()
text ( "Note : " )
newline() newline()
divend()
divstart([ :style = stylefloatleft()+stylewidth("90%")+
stylecolor("black")+stylegradient(47) ])
divstart([ :style = stylefloatleft() + stylewidth("1%") ])
newline()
divend()
divstart([ :style = stylefloatleft() + stylewidth("95%") ])
newline()
text ( aPageVars["Name"] )
newline() newline()
text ( aPageVars["Address"] )
newline() newline()
text ( aPageVars["Phone"] )
newline() newline()
text ( aPageVars["Age"] )
newline() newline()
text ( aPageVars["City"] )
newline() newline()
text (aPageVars["Country"] )
newline() newline()
text ( aPageVars["Notes"] )
newline() newline()
divend()
divend()
divend()
}
Screen Shot:
48.5. HTTP Get Example 393

2. Ring Documentation, Release 1.6
48.6 HTTP POST Example
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Post Test")
newline()
boxend()
divstart([ :style=StyleFloatLeft()+StyleWidth("100px") ])
newline()
text( "Number1 : " ) newline() newline()
text( "Number2 : " ) newline() newline()
divend()
formpost("ex7.ring")
divstart([ :style = styleFloatLeft()+StyleWidth("200px") ])
newline()
textbox([ :name = "Number1" ]) newline() newline()
textbox([ :name = "Number2" ]) newline() newline()
submit([ :value = "Send" ] )
divend()
formend()
}
Screen Shot:
48.6. HTTP POST Example 394

3. Ring Documentation, Release 1.6
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Post Result" )
newline()
boxend()
divstart([ :style = styleFloatLeft()+styleWidth("200px") ])
newline()
text( "Number1 : " + aPageVars["Number1"] )
newline() newline()
text( "Number2 : " + aPageVars["Number2"] )
newline() newline()
text( "Sum : " + (0 + aPageVars["Number1"] + aPageVars["Number2"] ) )
newline()
divend()
}
Screen Shot:
48.6. HTTP POST Example 395

4. Ring Documentation, Release 1.6
48.7 Upload Files
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New page
{
boxstart()
text( "Upload File" )
newline()
boxend()
for x = 1 to 3 newline() next
formupload("ex9.ring")
text( "Customer Name : " )
textbox([ :name = "custname" ])
newline() newline()
divstart([ :style = styleFloatLeft() + styleWidth("90px") ])
uploadfile("file") newline() newline()
uploadfile("file2") newline() newline()
submit([ :value = "Send" ])
divend()
formend()
}
Screen Shot:
48.7. Upload Files 396

5. Ring Documentation, Release 1.6
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
cUploadPath = "C:/Apache2.2/htdocs/ringapp/upload/"
cUploadFolder = "/ringapp/upload/"
New page
{
boxstart()
text( "Upload Result" )
newline()
boxend()
newline()
divstart([ :style= styleFloatLeft() + styleWidth("100px") ])
text( "Name : " + aPageVars["custname"] )
newline()
divend()
if aPageVars["file"] != char(13)
getuploadedfile(self,"file")
ok
if aPageVars["file2"] != char(13)
getuploadedfile(self,"file2")
ok
}
Func getuploadedfile oObj,cFile
# here we use object.property
# instead of object { } to avoid executing braceend method
cFileName = cUploadPath + oObj.getfilename(aPageVars,cFile)
48.7. Upload Files 397

6. Ring Documentation, Release 1.6
write(cFileName,aPageVars[cFile])
system("chmod a+x "+cFileName)
oObj.newline()
oObj.text( "File "+cFileName+ " Uploaded ..." )
oObj.newline()
imageURL = cUploadFolder+oObj.getfilename(aPageVars,cFile)
oObj.link([ :url = imageURL, :title = "Download" ])
oObj.newline()
oObj.image( [ :url = imageURL , :alt = :image ] )
oObj.newline()
Screen Shot:
48.7. Upload Files 398

7. Ring Documentation, Release 1.6
48.8 Cookies
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
48.8. Cookies 399

8. Ring Documentation, Release 1.6
Import System.Web
New page
{
boxstart()
text( "Cookie Test" )
newline()
boxend()
newline()
link([ :url = "ex11.ring", :title = "Use Cookies" ])
cookie("custname","Mahmoud Fayed")
cookie("custage",28)
}
Screen Shot:
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Cookies Values" )
newline()
boxend()
link([ :url = "ex10.ring", :title = "back" ])
newline()
divstart([:style="float:left;width:200px"])
text( "Name : " + aPageVars["custname"] )
newline()
text( "Age : " + aPageVars["custage"] )
newline()
divend()
}
Screen Shot:
48.8. Cookies 400

9. Ring Documentation, Release 1.6
48.9 URL Encode
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "URLEncode" )
newline()
boxend()
link([ :url = "ex5.ring?Name="+URLEncode("-*{Mahmoud}*-")+
"&Address=Egypt&Phone=123456&Age=28&Notes=Programmer",
:title = "Test URL Encode" ])
}
Screen Shot:
Screen Shot:
48.9. URL Encode 401

10. Ring Documentation, Release 1.6
48.10 Templates
Using Templates we can write Ring code inside HTML files
Syntax:
<%= Ring Expression %>
<% Ring Statements %>
The HTML Code
<h1>Listing Numbers</h1>
<table>
<tr>
<th> <%= myheader.cColumn1 %> </th>
<th> <%= myheader.cColumn2 %> </th>
<th></th>
<th></th>
<th></th>
</tr>
<% for x in aNumbers %>
<tr>
<td> <%= x.nValue %> </td>
<td> <%= x.nSquare %> </td>
</tr>
<% next %>
</table>
The Ring Code
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New NumbersController { start() }
48.10. Templates 402